CN103631372B - Multimedia interaction system and related device and method - Google Patents
Multimedia interaction system and related device and method Download PDFInfo
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- CN103631372B CN103631372B CN201310288938.3A CN201310288938A CN103631372B CN 103631372 B CN103631372 B CN 103631372B CN 201310288938 A CN201310288938 A CN 201310288938A CN 103631372 B CN103631372 B CN 103631372B
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Abstract
The invention discloses a multimedia interaction system and a related device and method. The position detection circuit dynamically detects the respective position and directivity of each electronic device in space. When a user indicates a source electronic device of the plurality of electronic devices to transmit a target image object in a selected direction, if a relative position of a first candidate electronic device of the plurality of electronic devices and the selected direction meets a first predetermined condition, the source electronic device determines the target direction according to the position of the first candidate electronic device and the selected direction. The source electronic device transmits a target instruction corresponding to the target image object to a second candidate electronic device only when the relative position of the position and the target direction of the second candidate electronic device in the plurality of candidate electronic devices meets a second predetermined condition. This may effectively reduce the multimedia interaction result that should not occur or be unexpected in the design of the multimedia interaction application.
Description
Technical field
The relevant multimedia interactive system of the present invention, espespecially one includes multiple display and can avoid non-pre-
The multimedia interactive system of phase property mutual-action behavior generation and relevant multimedia interaction control device and method.
Background technology
Progress along with technology, it is allowed to different electronic installations carry out the multimedia interactive system of multimedia interaction
More and more come into one's own with related application.The design of many interactive application relevant with content of multimedia, meeting
Multiple electronic installations of expectation participation multimedia interaction relative position in space to meet specific bar
Part, just allows to carry out specific multimedia interaction running.But, in traditional multimedia interactive system,
Multimedia interaction instruction transmission end electronic installation and cannot judge that oneself is with other electronic installations in space
Relative position, also cannot limit the direction of transfer of content of multimedia or interaction instruction.Therefore, electronics dress
Often can occur departing from user's experience between putting, should not go out in the design of multimedia interaction application
The rule existing, violation is set by interactive application or unintended multimedia interaction result.
Such as, the design of some multimedia interaction application, time of the meeting receiving end waiting electronic installation and its user
Must be positioned at the front of the user of transmission end electronic installation, specific image object or instruction could be by transmitting
Receiving terminal electronic installation passed to by end electronic installation.But, when actual operation, receiving terminal electronic installation and
Even if its user is positioned at the behind of the user of transmission end electronic installation, but still transmission end can be received
Specific image object that electronic installation sends out or instruction.This kind of unintended interaction mode does not also conform to
User's experience, the most should not occur in the design of multimedia interaction application, but often
Can occur.This is due in order to make electronic installation can obtain preferably signal transmission quality, in electronic installation
Telecommunication circuit be the most all designed to can various directions to be carried out the transmitting-receiving of signal rather than can only be to spy
Fixed direction carries out the transmitting-receiving of signal.
Reduce one of mode of foregoing problems, be to be designed to receive and dispatch spy by the telecommunication circuit of electronic installation
Determine the signal in direction, but this mode can badly influence signal transmission capabilities and the reception of electronic installation
Scope.If cannot ensure the user experience that multimedia interactive system is presented, multimedia can be met mutual
The original design purpose of dynamic application, will seriously hinder the development that the multimedia interaction across electronic installation is applied
And range of application.
Summary of the invention
In view of this, how to reduce between the multiple electronic installations participating in multimedia interaction application, do not conform to
User's experience, should not occur, violate interactive application in the design of multimedia interaction application
Set rule or the probability of unintended multimedia interaction result, mutual to improve multimedia
The user experience of dynamic system, actually industry has problem to be solved.
This specification provides the embodiment of a kind of multimedia interactive system, and it comprises: multiple electronic installations,
Comprise a source electronic installation and multiple candidate's electronic installations；Multiple display, are separately positioned on this source
On electronic installation and the plurality of candidate's electronic installation；And a position detecting circuit, it is arranged to dynamic detection
The plurality of electronic installation respective location in space and directivity, and by the information relevant with detecting result,
At least one of the plurality of electronic installation is sent to wireless transmission method；Wherein, when a user
When indicating this source electronic installation by a target image object towards a preferential direction transmission, if the plurality of candidate
One first candidate's electronic installation in electronic installation is unified with this preferential direction relative position sign in space
First predetermined condition, then this source electronic installation can select this first candidate electronic installation as a benchmark electricity
Sub-device, and the position and this preferential direction according to this reference electronic device determine a target direction；Wherein,
This source electronic installation also can judge one second candidate's electronic installation in the plurality of candidate's electronic installation, with
Whether this target direction relative position in space meets one second predetermined condition, and only this second
The position of candidate's electronic installation meets this second predetermined condition with this target direction relative position in space
In the case of, this source electronic installation just can be by a target instruction target word transmission corresponding with this target image object
To this second candidate electronic installation, this second candidate electronic installation is made to utilize corresponding according to this target instruction target word
One second candidate display device carry out the running of corresponding with this target image object multimedia.
This specification separately provides a kind of multimedia interaction to control the embodiment of device, for controlling a multimedia
A source electronic installation in interaction systems carries out a multimedia interaction running, this multimedia interactive system bag
Detecing lateral circuit and multiple electronic installation containing a position, the plurality of electronic installation comprises this source electronic installation
With multiple candidate's electronic installations, this source electronic installation comprises a control circuit, a telecommunication circuit and
Source displayer.This multimedia interaction controls device and comprises: a receiver module, is used for utilizing this communication electricity
Road, dynamically receives with wireless transmission method and the plurality of electronic installation respective location in space and sensing
The information that property is relevant；One selects module, wherein, when a user indicates this source electronic installation by a mesh
When mark image object is towards a preferential direction transmission, if one first candidate's electricity in the plurality of candidate's electronic installation
Sub-device unifies the first predetermined condition with this preferential direction relative position sign in space, this selection module
This control circuit is utilized to select this first candidate electronic installation as a reference electronic device；One target direction
Decision module, for utilizing this control circuit to determine according to position and this preferential direction of this reference electronic device
A fixed target direction；One judge module, is used for utilizing this control circuit to judge the plurality of candidate's electronic installation
In one second candidate's electronic installation, whether meet one with this target direction relative position in space
Two predetermined conditions；And a delivery module, only in the position of this second candidate electronic installation and this target
In the case of relative position in space, direction meets this second predetermined condition, just utilize this telecommunication circuit
A target instruction target word corresponding with this target image object is sent to this second candidate electronic installation, make this
Two candidate's electronic installations utilize one second corresponding candidate display device to carry out and this mesh according to this target instruction target word
The multimedia running that mark image object is corresponding.
This specification separately provides an a kind of source electronic installation for controlling in a multimedia interactive system to enter
The method of row one multimedia interaction running, this multimedia interactive system comprises a position and detects lateral circuit and many
Individual electronic installation, the plurality of electronic installation comprises this source electronic installation and multiple candidate's electronic installations, should
Source electronic installation comprises a control circuit, a telecommunication circuit and a source displayer.The method comprises:
Utilize this telecommunication circuit, dynamically receive with wireless transmission method with the plurality of electronic installation in space
The information that other position is relevant with directivity；When a user indicates this source electronic installation by a target
When image object is towards a preferential direction transmission, if one first candidate's electronics in the plurality of candidate's electronic installation
Device unifies the first predetermined condition with this preferential direction relative position sign in space, utilizes this control electricity
Road selects this first candidate electronic installation as a reference electronic device；Utilize this control circuit according to this base
The position of quasi-electronic installation and this preferential direction determine a target direction；This control circuit is utilized to judge that these are many
One second candidate's electronic installation in individual candidate's electronic installation, with the phase para-position in space of this target direction
Put and whether meet one second predetermined condition；And only at the position of this second candidate electronic installation and this mesh
In the case of mark relative position in space, direction meets this second predetermined condition, just utilize this communication electricity
A target instruction target word corresponding with this target image object is sent to this second candidate electronic installation by road, makes this
Second candidate's electronic installation utilizes one second corresponding candidate display device to carry out according to this target instruction target word and is somebody's turn to do
The multimedia running that target image object is corresponding.
One of advantage of above-described embodiment, is the source electronics dress that can efficiently reduce multimedia interaction instruction
Put and occur between other electronic installations departing from user's experience, multimedia interaction application design
In should not occur, violate the rule set by interactive application or unintended multimedia interaction knot
Really.
Another advantage of above-described embodiment, is to would potentially result in multimedia interactive system to occur departing from one
As user experience, should not occur, violate set by interactive application in the design of multimedia interaction application
The multimedia interaction instruction of fixed rule or unintended multimedia interaction result is filtered or is hindered
Gear, to guarantee the multimedia interaction behavior that multimedia interactive system is presented, can meet multimedia interaction should
Original design purpose.Consequently, it is possible to the use that multimedia interactive system is provided just can be greatly improved
Person's experience.
Another advantage of above-described embodiment, is the position utilizing source electronic installation to judge other electronic installations
With the mode whether directivity meets aforementioned second predetermined condition, needed for can effectively reducing other electronic installations
Operand, and then extend the service time of battery of other electronic installations.
Other advantages of the present invention will explain orally in more detail by the following description and accompanying drawing.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes of the application
Point, the schematic description and description of the application is used for explaining the application, is not intended that the application's
Improper restriction.
Fig. 1 is the functional block diagram after the multimedia interactive system simplification of one embodiment of the invention.
Fig. 2 is the schematic diagram after the position in space of the section electronics in Fig. 1 simplifies.
Fig. 3 Yu Fig. 4 is the flow chart after the multimedia interaction method simplification of one embodiment of the invention.
Fig. 5～11 is that the different aspects of the relative position in space of the section electronics in Fig. 1 simplify
After schematic diagram.
Figure 12～18 is the relative position of the projection in a reference level surface of the section electronics in Fig. 1
Different aspects simplify after schematic diagram.
Figure 19～21 is the not homomorphism of source electronic installation and reference electronic device relative position in space
Schematic diagram after sample simplification.
Figure 22～30 is that the different aspects of the relative position in space of the section electronics in Fig. 1 simplify
After schematic diagram.
Figure 31～39 is the relative position of the projection in a reference level surface of the section electronics in Fig. 1
Different aspects simplify after schematic diagram.
Figure 40 is the schematic diagram after the multimedia interaction picture simplification of one embodiment of the invention.
Detailed description of the invention
Below in conjunction with relevant drawings, embodiments of the invention are described.In the accompanying drawings, identical label table
Show same or similar element or process step.
Refer to Fig. 1, after depicted in it being multimedia interactive system 100 simplification of one embodiment of the invention
Functional block diagram.Multimedia interactive system 100 includes position detecting circuit (location detection
Circuit) 110, and multiple member's electronic installation (member electronic device, illustrates in figure
As a example by 120-a～120-n).In multimedia interactive system 100, different user is by electronic installation
120-a～120-n carries out the interactive operation relevant with content of multimedia, and the most various content of multimedia divide
Enjoy, sports play, Card Games, angle on multimedia content interaction, content of multimedia collaborative editing, line
Color game for play (Role-playing Game, RPG), action game (Action Game), risk game
(Adventure Game), strategy game (Strategy Game, SLG), real time strategy (Real-time
Strategy Game, RSG) etc..
Position detecting circuit 110 can be with one or more magnetic sensing circuit, ultrasound positioning circuit, red
Outside line sensing circuit, image sensing and identification circuit, WiFi signal positioning circuit, motion detection circuit,
The various existing object positioning circuits such as indoor GPS circuit, posture sensing circuit realize.In implementation,
Position detecting circuit 110 can be arranged on the top of all electronic installation 120-a～120-n, such as variola
The position of plate, makes the position of position detecting circuit 110 be higher than all of electronic installation 120-a～120-n,
To improve the accuracy of position detecting.
Small English index in the element number used in this case specification and drawings and device numbering
A～n, is intended merely to conveniently to censure an other element and device, is not intended that aforementioned components and device
Quantity is confined to given number.In this case specification and drawings, if using a certain element number or device
Do not indicate this element number or the index of device numbering during numbering, then represent this element number or device is compiled
Number be censure belonging to specific any element or device in element group or device group.Such as, element
Numbering 121-a censure to as if control circuit 121-a, element number 121 censure object then be control
Arbitrary control circuit in circuit 121-a～121-n processed.The most such as, what device numbering 120-c was censured is right
As if electronic installation 120-c, the object that device numbering 120 is censured is then electronic installation 120-a～120-n
In arbitrary electronic installation.
In the embodiment in figure 1, electronic installation 120-a～120-n comprise respectively control circuit 121, with
And it is coupled to the storage device 123 of control circuit 121, telecommunication circuit 125 and display 127.Real
On work, control circuit 121 can be realized by one or more processor unit, and telecommunication circuit 125 then may be used
To be cable network interface, it is also possible to be wireless network interface, or integrate aforementioned two kinds of functions simultaneously
Circuit.It addition, storage device 123 stores multimedia interaction control device 128.Multimedia interaction control
Device 128 processed can be made up of one or more application program module.Such as, multimedia interaction controls device 128
A receiver module, selection module, an a target direction decision module (target direction decision can be comprised
Module) a, judge module (determining module), a delivery module and a display module.
For the sake of convenient illustrations, other elements and annexation in electronic installation 120 are not illustrated in Fig. 1
In.
When running, electronic installation 120-a～120-n can carry out data to each other via network 130 and lead to
Letter.Aforesaid network 130 can be the Internet or the internal network using various communication protocols.
In application, electronic installation 120-a～120-n can be to have same hardware specification and operating system
Multiple electronic installations, or there are multiple electronic installations of different hardware specification and operating system.Change speech
It, electronic installation 120-a～120-n can be by possessing the various desktop PC of networking function, table
Mo(u)ld top half game machine, transaction machine, action electronic device (such as mobile phone, tablet PC, notebook,
Little pen electricity, e-book, handheld game device etc.) or various household electrical appliances (such as TV, refrigerator, sound equipment etc.)
The various combinations formed.
Hereinafter collocation Fig. 3 and Fig. 4 is further illustrated the function mode of multimedia interactive system 100.
Fig. 3 and Fig. 4 describes present invention multimedia interaction side in multimedia interactive system 100 jointly
Flow chart after one embodiment simplification of method.
In figs. 3 and 4, it is positioned at the flow process in field belonging to a specific device, i.e. represents by this specific
The flow process that device is carried out.Such as, in figs. 3 and 4, the hurdle of " position detecting circuit " it is labeled as
Part in Wei, represents the flow process that position detecting circuit 110 is carried out, and is labeled as " source electronic installation "
Part in the field of (source electronic device), represents the electronics dress producing multimedia interaction instruction
Put carried out flow process, be labeled as the field of " candidate's electronic installation " (candidate electronic device)
In part, then represent the stream that carried out of electronic installation that may receive or perform multimedia interaction instruction
Journey.
During multimedia interaction method in carrying out Fig. 3 and Fig. 4, the control circuit in electronic installation 120
121 can perform multimedia interaction controls device 128, makes electronic installation 120 carry out the part in corresponding field
Or whole flow processs.
For convenience of understand, below with source electronic installation be electronic installation 120-c candidate's electronic installation then
As a example by being other electronic installations in multimedia interactive system 100, multimedia interactive system 100 is described
Function mode.
In flow process 302, position detecting circuit 110 can exist by dynamic detection electronic installation 120-a～120-n
Respective location in space and directivity, with produce with electronic installation 120-a～120-n in space
The information that other position is relevant with directivity, and with wireless transmission method by the information relevant with detecting result,
At least one of electronic installation 120-a～120-n is sent to wireless transmission method.
In multimedia interactive system 100, the particular geometric feature of available electronic installation 120, specific
On mark, particular element, specific region, the particular geometric feature of display 127 or display 127
The particular geometric feature position in space of particular display area, represent electronic installation 120 at sky
Position between.
Such as, position detecting circuit 110 can detect and utilize a centre of form (centroid) of electronic installation 120
Position, represent electronic installation 120 position in space.Or, position detecting circuit 110 can
Detect and utilize the position of form center of display 127, represent electronic installation 120 position in space.
In implementation, it is possible to utilize position detecting circuit 110 and respective electronic device 120-a～120-n to be total to
With arranging in pairs or groups computing, to calculate respective electronic device 120-a～120-n position in space.Position is detectd
Slowdown monitoring circuit 110 can be detected and transmit the space coordinates of the multiple reference points in electronic installation 120 and fill to electronics
Put 120, and utilized control circuit 121 according to reception by the judge module of multimedia interaction control device 128
The space coordinates of the multiple reference points arrived, calculates the position of form center of electronic installation 120, represents electronics
Device 120 position in space.Such as, in the embodiment of fig. 2, position detecting circuit 110 can
The space coordinates of the reference point 211～214 in detecting and transmission electronic installation 120-a is to electronic installation
120-a, the space coordinates detecting and transmitting reference point 221～224 in electronic installation 120-b fill to electronics
Put 120-b, detect and transmit the space coordinates of reference point 231～234 in electronic installation 120-c to electricity
Sub-device 120-c and detecting and transmit the space of reference point 241～244 in electronic installation 120-n
Coordinate is to electronic installation 120-n.
Owing to the length and width of electronic installation 120-a is specified value, therefore multimedia interaction controls device
The judge module of 128-a may utilize part or all of according in reference point 211～214 of control circuit 121-a
The space coordinates of reference point, calculates the position of the centre of form of electronic installation 120-a, represents electronic installation
120-a position in space.Owing to the length and width of electronic installation 120-b is specified value, thus many
Media control the judge module of device 128-b may utilize control circuit 121-b according to reference point 221～
The space coordinates of the part or all of reference point in 224, calculates the position of the centre of form of electronic installation 120-b,
Represent electronic installation 120-b position in space.Owing to the length and width of electronic installation 120-c is
Specified value, therefore the judge module of multimedia interaction control device 128-c may utilize control circuit 121-c and depends on
According to the space coordinates of the part or all of reference point in reference point 231～234, calculate electronic installation 120-c
The position of the centre of form, represent electronic installation 120-c position in space.Similarly, fill due to electronics
The length and width putting 120-n is specified value, therefore multimedia interaction controls the judge module of device 128-n
Available control circuit 121-n is sat according to the space of the part or all of reference point in reference point 241～244
Mark, calculates the three-dimensional coordinate of the centre of form of electronic installation 120-n, represents electronic installation 120-n in space
In position.
Or, multimedia interaction controls the judge module of device 128 and is possible with control circuit 121 foundation
The space coordinates of the multiple reference points received, calculates the position of the centre of form of display 127, represents
Electronic installation 120 position in space.Such as, in the embodiment of fig. 2, position detecting circuit 110
Can detect and transmit the space coordinates of reference point 211～214 in electronic installation 120-a to electronic installation
120-a, the space coordinates detecting and transmitting reference point 221～224 in electronic installation 120-b fill to electronics
Put 120-b, detect and transmit the space coordinates of reference point 231～234 in electronic installation 120-c to electricity
Sub-device 120-c and detecting and transmit the space of reference point 241～244 in electronic installation 120-n
Coordinate is to electronic installation 120-n.
Owing to the length and width of electronic installation 120-a is specified value, and the size of display 127-a and
The position that arranges in electronic installation 120-a is also given, therefore multimedia interaction controls device 128-a's
Judge module may utilize control circuit 121-a according to the part or all of reference point in reference point 211～214
Space coordinates, calculate the position of centre of form Ca of display 127-a, represent electronic installation 120-a
Position in space.Owing to the length and width of electronic installation 120-b is specified value, and display
The size of 127-b and the position that arranges in electronic installation 120-b are also given, therefore multimedia interaction control
The judge module of device 128-b processed may utilize control circuit 121-b according to the portion in reference point 221～224
Divide or all referring to the space coordinates put, calculate the position of centre of form Cb of display 127-b, represent
Electronic installation 120-b position in space.Owing to the length and width of electronic installation 120-c is given
It is worth, and the size of display 127-c and the position that arranges in electronic installation 120-c are also given, therefore
Multimedia interaction controls the judge module of device 128-c and may utilize control circuit 121-c according to reference point
The space coordinates of the part or all of reference point in 231～234, calculates centre of form Cc of display 127-c
Position, represent electronic installation 120-c position in space.Similarly, due to electronic installation 120-n
Length and width be specified value, and the size of display 127-n and setting in electronic installation 120-n
Seated position is also given, therefore multimedia interaction controls the judge module available control electricity of device 128-n
Road 121-n, according to the space coordinates of the part or all of reference point in reference point 241～244, calculates aobvious
Show the three-dimensional coordinate of centre of form Cn of device 127-n, represent electronic installation 120-n position in space.
Or, multimedia interaction controls the judge module of device 128 and is possible with control circuit 121 foundation
The space coordinates of the multiple reference points received, calculates a multimedia shown on display 127 mutual
The position (position of such as central point) of the particular geometric feature of traverse formula form (such as browser window), comes
Represent electronic installation 120 position in space.Such as, in the embodiment of fig. 2, electronic installation 120-a
Utilize display 127-a to show an objective browser form 216, and electronic installation 120-b utilizes display
Device 127-b shows an objective browser form 226.Owing to target shown on display 127-a is clear
Look at the size of device form 216 and the relative position in display 127-a, be all by control circuit 121-a
Set, so being all known parameters.Therefore, position detecting circuit 110 can detect and transmit electronics dress
Put the space coordinates of reference point 211～214 in 120-a to electronic installation 120-a, and multimedia interaction control
The judge module of device 128-a processed then may utilize control circuit 121-a according in reference point 211～214
Partly or entirely the space coordinates of reference point, calculates the central point Wa's of objective browser form 216
Three-dimensional coordinate, represents electronic installation 120-a position in space.In like manner, due to display 127-b
The upper shown size of objective browser form 226 and the relative position in display 127-b, all
It is by set by control circuit 121-b, so being all known parameters.Therefore, position detecting circuit 110
Can detect and transmit the space coordinates of reference point 221～224 in electronic installation 120-b to electronic installation
120-b, the judge module of multimedia interaction control device 128-b then may utilize control circuit 121-b and depends on
According to the space coordinates of the part or all of reference point in reference point 221～224, calculate objective browser and regard
The three-dimensional coordinate of the central point Wb of window 226, represents electronic installation 120-b position in space.
It addition, position detecting circuit 110 is also recognizable and detects one or more ginseng in electronic installation 120
Examine the position of object or mark, and compare, to judge electronic installation with the position of other reference points
120 directivitys (orientation) in space.Such as, in the embodiment of fig. 2, position detecting circuit
110 positions that can recognize that and detect the control key 215 in electronic installation 120-a, and with aforesaid reference
The space coordinates of the part or all of reference point in point 211～214 is compared, to judge electronic installation
120-a directivity in space.Position detecting circuit 110 can recognize that and detect electronic installation 120-b
The position of brand mark 225, and with the part or all of reference point in aforesaid reference point 221～224
Space coordinates compare, to judge electronic installation 120-b directivity in space.Position is detectd
Slowdown monitoring circuit 110 can recognize that and detect the position of the control key 235 in electronic installation 120-c, and with aforementioned
Reference point 231～234 in the space coordinates of part or all of reference point compare, to judge electricity
Sub-device 120-c directivity in space.Position detecting circuit 110 can recognize that and detect electronic installation
The position of the control key 235 of 120-n, and with the part or all of ginseng in aforesaid reference point 241～244
The space coordinates of examination point is compared, to judge electronic installation 120-n directivity in space.
Or, position detecting circuit 110 also can be by aforesaid one or more reference object or position of mark
Detecting result, together with the detecting result of the position of other reference points, send electronic installation 120 to.By many
Media controls the judge module of device 128 and utilizes control circuit 121 by one or more reference aforesaid
Object or the position of mark, compare with the position of other reference points, to judge electronic installation 120
Directivity in space, to reduce the computational burden of position detecting circuit 110.
In the following description, electronic installation 120-a directivity in space is to come with pointing direction Da
Representing, electronic installation 120-b directivity in space is to represent with pointing direction Db, electronic installation
120-c directivity in space is to represent with pointing direction Dc, and electronic installation 120-n is in space
Directivity be to represent with pointing direction Dn.Note that " directivity " alleged by this case and " point to
Direction " it is the description term about the electronic installation 120 ornaments mode in use state, rather than be used for
Represent the signal transmitting and receiving direction of the telecommunication circuit 125 of electronic installation 120.
For convenience of description, it is assumed hereinafter that multimedia interactive system 100 utilizes display 127
The position of the centre of form, represents electronic installation 120 position in space.
When running, each electronic installation 120 position in space and directivity, may use because of it
The position change of person or the posture of operation electronic installation 120 change and produce variation.Therefore, position detecting
Circuit 110 carries out aforesaid flow process 302 sustainably or off and on, dynamic detection electronic installation 120-a～
120-n respective location in space and directivity, to produce with electronic installation 120-a～120-n in space
In the respective location information relevant with directivity, and the information produced sent to wireless transmission method
One or more electronic installation needed.
In flow process 304, the multimedia interaction of each electronic installation 120 controls the receiver module of device 128,
Available telecommunication circuit 125, with wireless transmission method, dynamically receives and electronics from position circuit for detecting 110
The information that device 120 position in space is relevant with directivity, and record in addition.Additionally, multimedia
The receiver module of interactive control device 128 is also with telecommunication circuit 125, from position circuit for detecting 110
Or other electronic installations, dynamically receive and other electronic installations respective location in space and directivity have
The information closed, and in addition record.Multimedia interaction control device 128 receiver module can termly or
Carry out aforesaid flow process 304 with having a rest, produced with dynamic receiving position circuit for detecting 110 or other electronic installations
Raw up-to-date information, and update according to this with electronic installation 120-a～120-n respective location in space and
The record that directivity is relevant.
When source electronic installation 120-c is operated by the user of the electronic installation 120-c that originates, many matchmakers
The judge module of body interactive control device 128-c can carry out flow process 306, to judge this operation of user
Whether it is that a target image object is transmitted by instruction towards a preferential direction Ds.If this operation is and target shadow
As other operations that object is unrelated, then control circuit 121-c can carry out the fortune of correspondence according to the operation of user
Make.
If the user of source electronic installation 120-c carries out a scheduled operation to source electronic installation 120-c
(such as specific touch control manner, specific slide-mouse operate or assign specific phonetic control command), to refer to
Show that a target image object is transmitted by source electronic installation 120-c towards a preferential direction Ds, then multimedia is mutual
The judge module of dynamic control device 128-c can carry out flow process 308.
In flow process 308, multimedia interaction controls the judge module of device 128-c can select source electricity one by one
Other electronic installations beyond sub-device 120-c are used as candidate's electronic installation, and according to and candidate's electronics
The up-to-date information that device position in space is relevant with directivity, judges selected candidate's electronics dress
Put and whether meet one first predetermined condition with preferential direction Ds relative position in space.If multimedia
The judge module of interactive control device 128-c judges one first candidate's electronics in multimedia interactive system 100
Device meets this first predetermined condition, multimedia interaction control with preferential direction Ds relative position in space
The selection module of device 128-c processed can carry out flow process 310；Otherwise, if multimedia interaction controls device 128-c
Judge module judge that other electronic installations in multimedia interactive system 100 and preferential direction Ds are in space
In relative position do not comply with this first predetermined condition, then multimedia interaction controls the judgement of device 128-c
Module can carry out the flow process 422 in Fig. 4.
In flow process 310, multimedia interaction controls the selection module of device 128-c and can select and preferential direction
The relative position of Ds meets candidate's electronic installation of this first predetermined condition as a reference electronic device
(basis electronic device).Such as, in the present embodiment, multimedia interaction controls device 128-c's
Select module that aforesaid first candidate's electronic installation can be selected as reference electronic device.
In flow process 312, multimedia interaction controls the target direction decision module of device 128-c can be according to base
The position of quasi-electronic installation and aforesaid preferential direction Ds, determine a target direction Dt.
Then, multimedia interaction controls device 128-c and can carry out the flow process 414 in Fig. 4.
In flow process 414, multimedia interaction controls the judge module of device 128-c can select source electricity one by one
Other electronic installations beyond sub-device 120-c and reference electronic device are used as candidate's electronic installation, and
According to the up-to-date information relevant with candidate's electronic installation position in space and directivity, judge selected
Whether the candidate's electronic installation selected meets one second predetermined bar with target direction Dt relative position in space
Part.Such as, for one second candidate's electronic installation in multimedia interactive system 100, if many
Media controls the judge module of device 128-c and judges this second candidate electronic installation and target direction Dt
Relative position in space meets this second predetermined condition, and multimedia interaction controls the transmission of device 128-c
Module can carry out flow process 416；Otherwise, if the judge module that multimedia interaction controls device 128-c judges to be somebody's turn to do
Second candidate's electronic installation does not meets this second predetermined bar with target direction Dt relative position in space
Part, then the judge module of multimedia interaction control device 128-c can carry out flow process 422.
In flow process 416, multimedia interaction controls the delivery module of device 128-c can utilize telecommunication circuit
125-c, by the target instruction target word corresponding with the instruction of target image object and user, sends to and meets second
Candidate's electronic installation of predetermined condition.Aforesaid target instruction target word comprises source electronic installation 120-c for setting
Determine, control, change or adjust the one of the content of multimedia that the display on candidate's electronic installation is presented
Or multiple instruction, it is possible to comprise the shape with one or more image object, size, color, position, hold
The parameter value that the image attributes such as continuous time, moving direction, translational speed are relevant.
In flow process 418, the multimedia interaction of candidate's electronic installation controls device and candidate's electronics can be utilized to fill
The telecommunication circuit put receives target instruction target word.
In flow process 420, the multimedia interaction of candidate's electronic installation controls device, can be according to target instruction target word
Display is utilized to carry out the multimedia running corresponding with target image object.Such as, candidate electronic installation
Multimedia interaction control device may utilize control circuit and sets or adjust according to target instruction target word and target image
The shape of one or more image object that object is corresponding, size, color, position, persistent period, movement
The image attributes such as direction, translational speed, to produce one or more corresponding image, and by this one or more right
Answer image display over the display, to complete the operation of a certain interactive multimedia.
In implementation, multimedia interaction controls the judge module of device 128-c can be to source electronic installation 120-c
With the judgement that other electronic installations beyond reference electronic device carry out foregoing schemes 414 one by one, find out
All qualified candidate's electronic installations.Or, multimedia interaction controls the judge module of device 128-c
Stream can also be just terminated after finding candidate's electronic installation of first Rule of judgment meeting flow process 414
The running of journey 414, and no longer to the position of other electronic installations and target direction Dt in space relative
Position judges.
In flow process 422, multimedia interaction controls the judge module of device 128-c and can refuse target instruction target word
Send candidate's electronic installation to.
In flow process 424, multimedia interaction controls the display module available source electronics dress of device 128-c
Put the display 127-c (hereinafter referred to as source displayer) on 120-c, loudspeaker, circuit of light sources or vibration
The devices such as device (vibrator), present refusal and target instruction target word send to the many matchmakers of correspondence of candidate's electronic installation
Body effect.Such as, multimedia interaction control device 128-c display module can control display 127-c in
Existing target image object rebound again after colliding the edge of display 127-c return animation effect, can control
Loudspeaker present specific audio, can control vibrator and carry out the vibration of AD HOC, can control circuit of light sources (example
Such as LED or flash lamp) present the collocation running of certain visual effects or available aforementioned various devices come in
Now specific Multimedia, to allow user learn, source electronic installation 120-c is not by target image thing
Part or target instruction target word are sent to candidate's electronic installation.
From preceding description, if other electronic installations in multimedia interactive system 100 are all unsatisfactory for
The requirement of this first predetermined condition, source electronic installation 120-c would not select reference electronic device, the most not
Target instruction target word can be sent to other electronic installation, to avoid other electronic installations to carry out and target image thing
The multimedia running that part is corresponding.If it addition, source electronic installation 120-c is from multiple candidate's electronic installations
Have selected a reference electronic device, but other candidate's electronic installations are all unsatisfactory for this second predetermined condition
Requirement, then source electronic installation 120-c target instruction target word also will not be sent to other candidate's electronic installations,
To avoid other candidate's electronic installations to carry out the multimedia running corresponding with target image object.In other words,
Only source electronic installation 120-c find from multimedia interactive system 100 one meet this first make a reservation for
First candidate's electronic installation that condition requires is as reference electronic device, and finds and meet this second predetermined bar
Part require the second candidate device in the case of, this source electronic installation just can by with this target image object
A corresponding target instruction target word sends this second candidate electronic installation to, makes this second candidate electronic installation foundation
This target instruction target word utilizes corresponding display to carry out the multimedia running corresponding with this target image object.
Therefore, use the multimedia interaction method in Fig. 3 and Fig. 4, can be prevented effectively from multimedia interactive system
Strange, irrational multimedia interaction result is produced in 100.
Hereinafter collocation Fig. 5～11 further illustrates source electronic installation 120-c in foregoing schemes 308
Function mode.
Fig. 5～11 is that the user instruction source electronic installation 120-c of source electronic installation 120-c is by a mesh
When mark image object 500 is towards a preferential direction Ds transmission, the part electronics in multimedia interactive system 100
Schematic diagram after the different aspects simplification of device relative position in space.
In implementation, in aforesaid flow process 308, source electronic installation 120-c can be according to candidate's electronic installation
Three-dimensional position, judge whether candidate's electronic installation accords with preferential direction Ds relative position in space
Close the first predetermined condition set.
In the first embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronic installation
Must be positioned at pointed by preferential direction Ds one to select in path P s.
In the second embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronic installation
Position and selected path P s between distance less than one first preset distance value R1s.
In the 3rd embodiment of flow process 308, aforesaid first predetermined condition refers to, selected path P s is worn
Cross the optional position of display on candidate's electronic installation.
In the 4th embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronic installation
It is positioned at selected path P s place and perpendicular to the ground to select on vertical (not illustrating).
In the 5th embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronic installation
Position and aforementioned selected vertical between distance less than the first preset distance value R1s.
In the aspect of Fig. 5, selected path P s pointed by preferential direction Ds passes display 127-a
Centre of form Ca, represent electronic installation 120-a and be positioned in selected path P s, also be located at selected path P s institute
Selected vertical on.Owing to electronic installation 120-a is positioned in selected path P s and selected vertical,
So the distance between the position of electronic installation 120-a and selected path P s is zero, and electronic installation 120-a
Position and selected vertical between distance be also zero.As it is shown in figure 5, selected path P s is through display
Device 127-n, but not through centre of form Cn of display 127-n, represent electronic installation 120-n not at
In selected path P s, also on the selected vertical not at selected path P s place.
Therefore, for the aspect of Fig. 5, when candidate's electronic installation is electronic installation 120-a, many matchmakers
The judge module of body interactive control device 128-c, in aforementioned first to the 5th embodiment, all can judge electronics
The position of device 120-a meets the first predetermined condition with preferential direction Ds relative position in space.When
When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls the judge module of device 128-c and exists
In aforementioned third embodiment, can judge that the position of electronic installation 120-n and preferential direction Ds are in space
Relatively position meets the first predetermined condition, but aforementioned first or the 4th in embodiment, multimedia interaction control
The judge module of device 128-c processed then can judge position and the preferential direction Ds of candidate electronic installation 120-n
Relative position in space does not meets the first predetermined condition.
In the aspect of Fig. 6, selected path P s pointed by preferential direction Ds passes display 127-a
Region, but not through centre of form Ca of display 127-a, represent electronic installation 120-a not at
In selected path P s, also on the selected vertical not at selected path P s place.Centre of form Ca and choosing
Determining the distance between path P s is G1s, represents between the position of electronic installation 120-a and selected path P s
Distance be G1s.Additionally, selected path P s is through the neighboring area of electronic installation 120-n, but do not have
Through the region of display 127-n, represent electronic installation 120-n not in selected path P s, also
On selected vertical not at selected path P s place.As shown in Figure 6, the shape of display 127-a
Distance G1s between heart Ca and selected path P s is less than the first preset distance value R1s, but display 127-n
Centre of form Cn and selected path P s between distance, the most significantly greater than first preset distance value R1s.
Therefore, for the aspect of Fig. 6, when candidate's electronic installation is electronic installation 120-a, many matchmakers
The judge module of body interactive control device 128-c, in aforementioned second, third and the 5th embodiment, all can be sentenced
The position determining electronic installation 120-a meets the first predetermined bar with preferential direction Ds relative position in space
Part, but in embodiment, then can judge position and the choosing of candidate electronic installation 120-a aforementioned first and the 4th
Determine direction Ds relative position in space and do not meet the first predetermined condition.When candidate's electronic installation is electronics
During device 120-n, multimedia interaction controls the judge module of device 128-c and implements aforementioned first to the 5th
In example, all can judge position and the preferential direction Ds phase para-position in space of candidate electronic installation 120-n
Put and do not meet the first predetermined condition.
In the sixth embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronic installation
Being positioned at the cylindrical region S1s pointed by preferential direction Ds, wherein cylindrical region S1s is with preferential direction
Ds is axle and radius is the first preset distance value R1s.
In the aspect of Fig. 6, centre of form Ca of display 127-a is positioned at the post pointed by preferential direction Ds
In the S1s of shape region, represent electronic installation 120-a and be positioned at cylindrical region S1s.The shape of display 127-n
Heart Cn is positioned at outside cylindrical region S1s, represents electronic installation 120-n not in cylindrical region S1s.
Therefore, for the aspect of Fig. 6, when candidate's electronic installation is electronic installation 120-a, many matchmakers
The judge module of body interactive control device 128-c, in aforementioned sixth embodiment, can judge candidate's electronic installation
The position of 120-a meets the first predetermined condition with preferential direction Ds relative position in space.Work as candidate
When electronic installation is electronic installation 120-n, multimedia interaction controls the judge module of device 128-c aforementioned
In sixth embodiment, can judge that the position of candidate electronic installation 120-n and preferential direction Ds are in space
Position relatively does not meets the first predetermined condition.
In the 7th embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronic installation
It is positioned at a taper region (the pyramidal or cone region) S2s pointed by preferential direction Ds, wherein
Taper region S2s is with preferential direction Ds as axle, with the position of target image object 500 as summit and top
Angle is acute angle.In implementation, taper region S2s can be a cone shape region or pyramidal region.
In the aspect of Fig. 7, taper region S2s is a coniform region, and the centre of form of display 127-a
Ca is positioned at taper region S2s, represents electronic installation 120-a and is positioned at taper region S2s.Display
Centre of form Cn of 127-n is positioned at outside the S2s of taper region, represents electronic installation 120-n not at taper district
In the S2s of territory.
Therefore, for the aspect of Fig. 7, when candidate's electronic installation is electronic installation 120-a, many matchmakers
The judge module of body interactive control device 128-c, in aforementioned 7th embodiment, can judge candidate's electronic installation
The position of 120-a meets the first predetermined condition with preferential direction Ds relative position in space.Work as candidate
When electronic installation is electronic installation 120-n, multimedia interaction controls the judge module of device 128-c aforementioned
In 7th embodiment, can judge that the position of candidate electronic installation 120-n and preferential direction Ds are in space
Position relatively does not meets the first predetermined condition.
In the 8th embodiment of flow process 308, aforesaid first predetermined condition refers to, preferential direction Ds with
One first is parallel with reference to direction of displacement Dss1, and the first reference direction of displacement Dss1 and one first reference side
Between to one first is acute angle with reference to angle and is less than reference angle As, and wherein first with reference to displacement
Direction Dss1 and the first reference direction all with source electronic installation 120-c position as starting point, and first ginseng
Examine direction and point to the position of candidate's electronic installation.
In the aspect of Fig. 8, multimedia interaction controls the judge module of device 128-c can be by preferential direction
Ds moves to the position (in this example for the position of centre of form Cc) of the electronic installation 120-c that originates as starting point,
To define first with reference to direction of displacement Dss1.When candidate's electronic installation is electronic installation 120-a, the
One reference direction is with centre of form Cc of display 127-c as starting point and points to the centre of form of display 127-a
The direction D1s of Ca.Straight line L1s pointed by the D1s of direction can be by centre of form Ca of display 127-a.
First with reference to included angle A 1s that angle is then between direction D1s and first reference direction of displacement Dss1.Angle
A1s is the least, represents the position of candidate electronic installation 120-a to a certain extent closer to preferential direction Ds
Pointed selected path P s.Therefore, if included angle A 1s is acute angle and is less than with reference to angle As, the most
The judge module of Media control device 128-c, in aforementioned 8th embodiment, can judge electronic installation
The position of 120-a meets the first predetermined condition with preferential direction Ds relative position in space.Otherwise,
If included angle A 1s is more than with reference to angle As, then multimedia interaction controls the judge module of device 128-c front
State in the 8th embodiment, the position of candidate electronic installation 120-a and preferential direction Ds can be judged in space
Relative position do not meet the first predetermined condition.
In the aspect of Fig. 8, when candidate's electronic installation is electronic installation 120-n, the first reference direction
It is with centre of form Cc of display 127-c as starting point and points to the direction of centre of form Cn of display 127-n
D2s.Straight line L2s pointed by the D2s of direction can be by centre of form Cn of display 127-n.First reference
Angle is then that direction D2s and first is with reference to included angle A 2s between direction of displacement Dss1.Included angle A 2s is the least,
Represent the position of candidate electronic installation 120-n to a certain extent closer to the choosing pointed by preferential direction Ds
Determine path P s.Therefore, if included angle A 2s is acute angle and is less than with reference to angle As, then multimedia interaction control
The judge module of device 128-c processed, in aforementioned 8th embodiment, can judge the position of electronic installation 120-n
The first predetermined condition is met with preferential direction Ds relative position in space.Otherwise, if included angle A 2s
More than with reference to angle As, then multimedia interaction controls the judge module of device 128-c in aforementioned 8th enforcement
In example, the position of candidate electronic installation 120-n and preferential direction Ds relative position in space can be judged
Do not meet the first predetermined condition.
In the aspect that earlier figures 8 and further part illustrate, if centre of form Cc, Ca, Cn three be not same
On one space plane, then preferential direction Ds, direction D1s and direction D2s three also will not be at same skies
Between in plane.Now, first is not with reference to direction of displacement Dss1, direction D1s and direction D2s three the most
Can be in the same space plane.
If the position of candidate's electronic installation meets aforementioned with preferential direction Ds relative position in space
The first predetermined condition in any embodiment of the first to the 8th embodiment, represents candidate to a certain extent
Electronic installation is positioned at the error tolerance near selected path P s pointed by preferential direction Ds.
Therefore, the electronic installation 120-c that originates may select this candidate's electronic installation and is used as reference electronic device.When many
It is selected that interactive system for media 100 wants manufacturing objective image object to be that origin source electronic installation 120-c is transmitted to be positioned at
The reference electronic device near selected path P s pointed by the Ds of direction, it is transmitted to by reference electronic device again
During the multimedia interaction effect of another candidate's electronic installation, source electronic installation 120-c can be from multimedia interaction
In other electronic installations of system 100, select to meet any embodiment of aforementioned first to the 8th embodiment
In single candidate's electronic installation of the first predetermined condition, be used as reference electronic device.
In implementation, multimedia interaction controls the judge module of device 128-c can be to multimedia interactive system 100
In other electronic installations carry out the judgement of foregoing schemes 308 one by one, to find out and the first predetermined condition phase
Candidate's electronic installation that symbol degree is the highest carrys out selective module as reference electronic device.Or, multimedia
The selection module of interactive control device 128-c can also find first to meet flow process 308 at judge module
Rule of judgment candidate's electronic installation after, be just used as reference electronic device with this candidate's electronic installation,
And terminate the judge module running in flow process 308, and no longer square with selected to the position of other electronic installations
Judge to Ds relative position in space.
It addition, work as the multimedia interaction application that multimedia interactive system 100 is carried out, candidate's electronics is filled
When putting relatively low with the judgement precise requirements of preferential direction Ds relative position in space, can be by aforesaid
First preset distance value R1s or reference angle As are relaxed.Otherwise, when multimedia interaction is applied for candidate
When the judgement precise requirements of electronic installation and preferential direction Ds relative position in space is higher, can be by
Aforesaid first preset distance value R1s or reference angle As reduce or use the first of first embodiment
Predetermined condition set-up mode.
In the 9th embodiment of flow process 308, aforesaid first predetermined condition refers to, first with reference to displacement
Between direction Dss1 and one second reference direction one second is acute angle and aforementioned first reference with reference to angle
Angle is less than this second reference angle, and wherein the second reference direction with the position of source electronic installation 120-c is
Starting point, and point to comparison electronic installation (the reference electronic in multimedia interactive system 100
Device) position.
In the aspect of Fig. 8, when candidate's electronic installation is electronic installation 120-a, multimedia interaction controls
The judge module of device 128-c can select another close to the electronic installation 120-n conduct of selected path P s
Comparison electronic installation.Now, the first reference direction be equally with centre of form Cc of display 127-c as starting point,
And the direction D1s of centre of form Ca of sensing display 127-a, the first reference angle is direction D1s the most equally
And first with reference to included angle A 1s between direction of displacement Dss1.Second reference direction is then with display 127-c
Centre of form Cc be starting point and the direction D2s of centre of form Cn pointing to display 127-n, and the second reference
Angle is then that direction D2s and first is with reference to included angle A 2s between direction of displacement Dss1.Included angle A 2s is the least,
Represent the position of comparison electronic installation 120-n to a certain extent closer to the choosing pointed by preferential direction Ds
Determine path P s.In the aspect of Fig. 8, owing to included angle A 1s is acute angle and is less than included angle A 2s, at certain
The position of candidate electronic installation 120-a is i.e. represented than compareing electronic installation 120-n closer to selected in the degree of kind
Selected path P s pointed by the Ds of direction.Therefore, multimedia interaction controls the judge module of device 128-c
In aforementioned 9th embodiment, can judge that the position of candidate electronic installation 120-a and preferential direction Ds are at sky
Relative position between meets the first predetermined condition.
In the aspect of Fig. 8, when candidate's electronic installation is electronic installation 120-n, multimedia interaction control
The judge module of device 128-c processed can select another close to the electronic installation 120-a work of selected path P s
For comparison electronic installation.Now, the first reference direction be with centre of form Cc of display 127-c as starting point,
And point to the direction D2s of centre of form Cn of display 127-n, first with reference to angle be then direction D2s with
First with reference to included angle A 2s between direction of displacement Dss1.Second reference direction is with display 127-c
Centre of form Cc is the direction D1s of starting point and centre of form Ca pointing to display 127-a, and the second reference folder
Angle Ze Shi direction D1s and first is with reference to included angle A 1s between direction of displacement Dss1.In the aspect of Fig. 8,
Owing to included angle A 2s is more than included angle A 1s, the most i.e. represent the position of comparison electronic installation 120-a
Than candidate electronic installation 120-n closer to selected path P s pointed by preferential direction Ds.Therefore, many matchmakers
The judge module of body interactive control device 128-c, in aforementioned 9th embodiment, can judge candidate's electronic installation
The position of 120-n does not meets the first predetermined condition with preferential direction Ds relative position in space.
When multimedia interaction controls the selection module position to be selected of device 128-c closest to preferential direction Ds
One single candidate's electronic installation of pointed selected path P s, when being used as reference electronic device, can adopt
The first predetermined condition is set by the mode of aforementioned 9th embodiment.
In the tenth embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronic installation
Be positioned in selected path P s, and selected path P s source electronic installation 120-c and candidate's electronic installation it
Between section will not touch other electronic installations in multimedia interactive system 100.
In the 11st embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronics fills
Distance between position and selected path P s put is less than the first preset distance value R1s, and selected path P s
Section between source electronic installation 120-c and candidate's electronic installation will not touch multimedia interaction system
Other electronic installations in system 100.
In the 12nd embodiment of flow process 308, aforesaid first predetermined condition refers to, selected path P s
Display on candidate's electronic installation, and selected path P s is source electronic installation 120-c and candidate
Section between electronic installation will not touch other electronic installations in multimedia interactive system 100.
In the 13rd embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronics fills
On selected vertical setting in selected path P s place, and selected vertical is at source electronic installation 120-c
And the region between candidate's electronic installation will not touch other electronics dress in multimedia interactive system 100
Put.
In the 14th embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronics fills
Distance between position and the selected vertical put is less than the first preset distance value R1s, and selected vertical exists
Region between source electronic installation 120-c and candidate's electronic installation will not touch multimedia interactive system
Other electronic installations in 100.
In the aspect of Fig. 5, selected path P s pointed by preferential direction Ds passes display 127-a
Centre of form Ca, represent electronic installation 120-a and be positioned in selected path P s, also be located at selected path P s institute
Selected vertical on.Owing to electronic installation 120-a is positioned in selected path P s and selected vertical,
So the distance between electronic installation 120-a and selected path P s is zero, and electronic installation 120-a and choosing
Determining the distance between vertical is also zero.
In the aspect of earlier figures 5, selected path P s is at source electronic installation 120-c and electronic installation
Section between 120-a, can be through the region of the display 127-n of electronic installation 120-n.This is at certain
Represent in degree between the electronic installation 120-c and electronic installation 120-a of source by electronic installation 120-n's
Stop.
Therefore, for the aspect of Fig. 5, when candidate's electronic installation is electronic installation 120-a, many matchmakers
The judge module of body interactive control device 128-c, in aforementioned tenth to the 14th embodiment, all can judge to wait
The position selecting electronic installation 120-a does not meets first and makes a reservation for preferential direction Ds relative position in space
Condition.
If the position of candidate's electronic installation meets aforementioned with preferential direction Ds relative position in space
The first predetermined condition in any embodiment of the tenth to the 14th embodiment, represents time to a certain extent
Electronic installation is selected to be positioned at the error tolerance near selected path P s pointed by preferential direction Ds,
And do not stopped by other electronic installations between candidate's electronic installation and source electronic installation 120-c.Cause
This, when multimedia interactive system 100 to manufacture only at candidate's electronic installation and source electronic installation 120-c
Between not do not stopped by other electronic installations in the case of, candidate's electronic installation just can be chosen as benchmark electricity
During the multimedia interaction effect of sub-device, use first predetermined article in aforementioned tenth to the 14th embodiment
Part setting means, just can avoid between candidate's electronic installation and source electronic installation 120-c by other electronics
The stop of device, candidate's electronic installation the most still may be selected the undesirable situation of reference electronic device and sends out
Raw.
In the 15th embodiment of flow process 308, aforesaid first predetermined condition refers to, aforesaid first
One the 3rd reference angle, and aforesaid first reference is formed between reference direction and aforesaid second reference direction
Angle is less than the half of the 3rd reference angle.
In the 16th embodiment of flow process 308, aforesaid first predetermined condition refers to, aforesaid second
Space is cut into one the with reference to vertical (not illustrating) by reference direction place and perpendicular to the ground one second
One points to the first reference space, and candidate's electronics with reference to space and one second reference space, preferential direction Ds
Device is positioned at first with reference to space.
In the aspect of Fig. 9, when candidate's electronic installation is electronic installation 120-a, multimedia interaction controls
The judge module of device 128-c can select another close to the electronic installation 120-n conduct of selected path P s
Comparison electronic installation.Now, the first reference direction be equally with centre of form Cc of display 127-c as starting point,
And the direction D1s of centre of form Ca of sensing display 127-a, the first reference angle is direction D1s the most equally
And first with reference to included angle A 1s between direction of displacement Dss1.Second reference direction is with display 127-c
Centre of form Cc be starting point and the direction D2s of centre of form Cn pointing to display 127-n, and the 3rd reference
Angle is then included angle A 3s between direction D1s and direction D2s.If included angle A 1s is less than included angle A 3s
Half, represents the position of candidate electronic installation 120-a than comparison electronic installation 120-n more to a certain extent
Close to selected path P s pointed by preferential direction Ds.Additionally, D2s place, direction and with ground hang down
Space is cut into one first with reference to space S Rs and one second with reference to space with reference to vertical by straight one second
SLs.As it is shown in figure 9, preferential direction Ds points to the first reference space S Rs, and electronic installation 120-a
It is positioned at first with reference to space S Rs.Therefore, the judge module of multimedia interaction control device 128-c exists
In aforementioned 15th and 16 embodiments, all can judge position and the preferential direction of candidate electronic installation 120-a
Ds relative position in space meets the first predetermined condition.
When multimedia interaction controls the selection module position to be selected of device 128-c closest to preferential direction Ds
One single candidate's electronic installation of pointed selected path P s, when being used as reference electronic device, can adopt
The first predetermined condition is set by the mode in aforementioned 15th or the 16th embodiment.
In the 17th embodiment of flow process 308, aforesaid first predetermined condition refers to, source electronics dress
Put pointing direction Dc (the hereinafter referred to as source pointing direction Dc) place and perpendicular to the ground of 120-c
Source vertical (not illustrating), with the position of the electronic installation 120-c that originates for axle past source pointing direction Dc
Both sides respectively rotate the first reference viewing angle VA1s can define a space, visual angle, source, and this source vertical will
It is half side with reference to reference half side with one second space, space, selected side that this space, visual angle, source cuts into one first
Point to this first half side reference space to Ds, and candidate's electronic installation is positioned at this first half side reference space
In.Meanwhile, candidate's electronic installation a pointing direction (hereinafter referred to as candidate's pointing direction) place and with ground
Candidate's vertical (not illustrating) that face is vertical, with the position of candidate's electronic installation for axle toward this candidate side of sensing
Respectively rotate the second reference viewing angle VA2s to both sides and can define one first space, candidate visual angle, and source electricity
Sub-device 120-c is positioned in the first space, candidate visual angle.
In the 18th embodiment of flow process 308, aforesaid first predetermined condition refers to, originate sensing side
One the 4th is formed with reference to angle, aforesaid first reference side between Dc and first is with reference to direction of displacement Dss1
One the 5th is formed with reference to angle, the 4th reference angle and the 5th reference between the pointing direction Dc of source
Angle is less than aforementioned first reference viewing angle VA1s.Meanwhile, one first with reference to opposite direction and candidate's electronic installation
Candidate's pointing direction between formed one the 6th with reference to angle, and the 6th with reference to angle less than aforementioned second ginseng
Examine visual angle VA2s, wherein, this first with reference to opposite direction with the position of candidate's electronic installation as starting point, and refer to
Position to source electronic installation 120-c.
When the 5th is less than the first reference viewing angle VA1s with reference to angle, represents candidate's electronic installation and be positioned at source
In the space, visual angle, source of electronic installation 120-c.It is less than the second reference viewing angle VA2s with reference to angle when the 6th
Time, represent source electronic installation 120-c and be positioned at the first space, candidate visual angle of candidate's electronic installation.
In the aspect of Figure 10, the source vertical (not illustrating) at pointing direction Dc place, source, with source
The position (being the position of centre of form Cc of display 127-c in this example) of electronic installation 120-c is that axle is toward source
Pointing direction Dc both sides respectively rotate the first reference viewing angle VA1s, can define by the right side half side with reference to SPACE V Rs
The source visual angle space that with reference to SPACE V Ls formed half side with a left side.The centre of form Ca position of display 127-a
In the right side is half side with reference to SPACE V Rs, represents electronic installation 120-a and be positioned at right half side with reference to SPACE V Rs.
As shown in Figure 10, preferential direction Ds points to right half side with reference to SPACE V Rs.
4th with reference to the angle that angle is between source pointing direction Dc and first reference direction of displacement Dss1
A4s.When included angle A 4s is less than the first reference viewing angle VA1s, represents preferential direction Ds and point to source electronics
In the space, visual angle, source of device 120-c.
When candidate's electronic installation is electronic installation 120-a, the first reference direction is with display equally
Centre of form Cc of 127-c is the direction D1s of starting point and centre of form Ca pointing to display 127-a.Multimedia
First reference direction D1s can be moved to fill with candidate's electronics by the judge module of interactive control device 128-c
The position (in this example for the position of centre of form Ca) putting 120-a is starting point, and direction D1s is overturn 180
Degree, to define first with reference to opposite direction D1s '.Now, the 5th is direction D1s and source with reference to angle
Included angle A 5s between pointing direction Dc, the 6th reference angle is then the first reference opposite direction D1s ' and electronics
Included angle A 6s between the candidate pointing direction Da of device 120-a.
Candidate's vertical (not illustrating) at the candidate pointing direction Da place of candidate electronic installation 120-a, with
The position (being the position of centre of form Ca of display 127-a in this example) of candidate electronic installation 120-a is axle,
Respectively rotate the second reference viewing angle VA2s toward candidate pointing direction Da both sides, one first candidate can be defined and regard
Space, angle.As shown in Figure 10, owing to included angle A 4s and included angle A 5s are both less than the first reference viewing angle VA1s,
And included angle A 6s is less than the second reference viewing angle VA2s, therefore multimedia interaction controls the judgement mould of device 128-c
Block, in aforementioned 17th and the 18th embodiment, all can judge position and the choosing of candidate electronic installation 120-a
Determine direction Ds relative position in space and meet the first predetermined condition.
In the 17th embodiment, it is constrained to be less than the first reference viewing angle VA1s with reference to angle by the 5th,
And it is constrained to be less than the mode of the second reference viewing angle VA2s by the 6th with reference to angle, it is used to limit
Source electronic installation 120-c and candidate's electronic installation relative position in space, it is necessary to belong to or close
Aspectant aspect, source electronic installation 120-c could select candidate's electronic installation to be used as reference electronic dress
Put.
In implementation, aforesaid first reference viewing angle VA1s can be identical with the second reference viewing angle VA2s, also
Can be different from the second reference viewing angle VA2s.
When multimedia interactive system 100 to manufacture only at source electronic installation 120-c and candidate's electronic installation
Both belong to or in the case of the aspect of approaching face opposite relative position in space, and candidate's electronic installation is
When can be chosen as the multimedia interaction effect of reference electronic device, use aforementioned 17th or the 18th enforcement
The first predetermined condition setting means in example, just can avoid candidate's electronic installation to originate dorsad electronic installation
120-c, the undesirable situation that the most still may be selected reference electronic device occurs.On the other hand, use
The first predetermined condition setting means in aforementioned 17th or the 18th embodiment, it is possible to avoid electronics of originating
Device 120-c candidate's electronic installation dorsad, candidate's electronic installation but or can be chosen as reference electronic device
Undesirable situation occurs.
In the 19th embodiment of flow process 308, aforesaid first predetermined condition refers to, one first displacement
One the 7th is formed with reference to angle, aforementioned 4th reference between candidate's pointing direction of direction and candidate's electronic installation
Angle and the aforementioned 5th with reference to angle less than the first reference viewing angle VA1s, and the 7th with reference to angle less than the
Two reference viewing angle VA2s, wherein, this first direction of displacement with the position of candidate's electronic installation as starting point, and
Parallel with aforesaid first reference direction.
In the 20th embodiment of flow process 308, aforesaid first predetermined condition refers to, preferential direction Ds
Pointing to aforementioned first half side reference space, candidate's electronic installation is positioned at this first half side reference space, and
Aforesaid 7th is less than 90 degree with reference to angle.
When the 5th is less than the first reference viewing angle VA1s with reference to angle, represent candidate electronic installation 120-a position
In the space, visual angle, source of source electronic installation 120-c.It is less than the second reference viewing angle with reference to angle when the 7th
VA2s or when 90 degree, the pointing direction Da representing candidate electronic installation 120-a to a certain extent is the back of the body
To source electronic installation 120-c, this user also representing candidate electronic installation 120-a was probably the back of the body at that time
User to source electronic installation 120-c.
In the aspect of Figure 11, the source vertical (not illustrating) at pointing direction Dc place, source, with source
The position (being the position of centre of form Cc of display 127-c in this example) of electronic installation 120-c is that axle is toward source
Pointing direction Dc both sides respectively rotate the first reference viewing angle VA1s, can define by the right side half side with reference to SPACE V Rs
The source visual angle space that with reference to SPACE V Ls formed half side with a left side.Centre of form Ca of display 127-a is positioned at
Right half side with reference in SPACE V Rs, represent electronic installation 120-a and be positioned at right half side with reference to SPACE V Rs.As
Shown in Figure 11, preferential direction Ds points to right half side with reference to SPACE V Rs.
Similarly, the 4th is that source pointing direction Dc and first is with reference between direction of displacement Dss1 with reference to angle
Included angle A 4s.When included angle A 4s is less than the first reference viewing angle VA1s, represents preferential direction Ds and point to
In the space, visual angle, source of source electronic installation 120-c.
When candidate's electronic installation is electronic installation 120-a, multimedia interaction controls the judgement of device 128-c
Aforesaid first reference direction D1s can be moved to the position with candidate electronic installation 120-a (at this by module
For the position of centre of form Ca in example) it is starting point, to define the first direction of displacement D1ss.Now, the 7th ginseng
Examine between the candidate pointing direction Da that angle is the first direction of displacement D1ss and candidate electronic installation 120-a
Included angle A 7s.
As shown in figure 11, owing to included angle A 4s and included angle A 5s are both less than the first reference viewing angle VA1s, and
Included angle A 7s is less than the second reference viewing angle VA2s and less than 90 degree, therefore multimedia interaction controls device 128-c
Judge module in aforementioned 19th and the 20th embodiment, all can judge candidate electronic installation 120-a
Position meet the first predetermined condition with preferential direction Ds relative position in space.
In the 19th embodiment, it is constrained to be less than the first reference viewing angle VA1s with reference to angle by the 5th,
And it is constrained to be less than the mode of the second reference viewing angle VA2s by the 7th with reference to angle, it is used to limit
Source electronic installation 120-c and candidate's electronic installation relative position in space, it is necessary to be candidate's electronics
Device belongs to or belongs to or close close to back to source electronic installation 120-c and source electronic installation 120-c
Towards the aspect of candidate's electronic installation, source electronic installation 120-c could select candidate's electronic installation to be used as
Reference electronic device.
Similarly, aforesaid first reference viewing angle VA1s can be identical with the second reference viewing angle VA2s, also
Can be different from the second reference viewing angle VA2s.
When multimedia interactive system 100 to manufacture only at source electronic installation 120-c and candidate's electronic installation
Both relative positions in space, are that candidate's electronic installation belongs to or close to back to source electronic installation
120-c but source electronic installation 120-c belongs to or close to towards in the case of the aspect of candidate's electronic installation,
When candidate's electronic installation just can be chosen as the multimedia interaction effect of reference electronic device, use the aforementioned tenth
Nine or the 20th the first predetermined condition setting means in embodiment, just can avoid candidate's electronic installation towards
Source electronic installation 120-c, the undesirable situation that the most still may be selected reference electronic device occurs.Separately
On the one hand, the first predetermined condition setting means in aforementioned 19th or the 20th embodiment is used, it is possible to
Avoiding electronic installation 120-c candidate's electronic installation dorsad of originating, candidate's electronic installation but or can be chosen as base
The undesirable situation of quasi-electronic installation occurs.
In implementation, multimedia interactive system 100 also can be sentenced according to the two-dimensional position of candidate's electronic installation
Whether disconnected candidate's electronic installation meets foregoing schemes 308 institute with preferential direction Ds relative position in space
The first predetermined condition claimed.Multimedia interactive system 100 may utilize position detecting circuit 110, detects individual
Other electronic installation 120-a～120-n projects individually position in same reference level surface parallel to the ground
Put, the shape of view field and directivity.Multimedia interactive system 100 may utilize electronic installation 120
The projection in reference level surface of particular geometric feature, special sign, particular element or specific region
Position, represents electronic installation 120 position in space.
Such as, position detecting circuit 110 can detect and utilize the centre of form of electronic installation 120 at this reference water
Projected position in plane, represents electronic installation 120 position in space.Or, position detecting
Circuit 110 can detect and utilize the centre of form of display 127 projected position in this reference level surface, comes
Represent electronic installation 120 position in space.
Similarly, it is possible to utilize position detecting circuit 110 and respective electronic device 120-a～120-n to be total to
With arranging in pairs or groups computing, to calculate respective electronic device 120-a～120-n position in space.Such as,
In the embodiment of fig. 2, what position detecting circuit 110 can be detected and transmit in electronic installation 120 is multiple
The two-dimensional coordinate of reference point projected position in this reference level surface is to electronic installation 120, and by multimedia
The judge module of interactive control device 128 utilizes control circuit 121 according to the multiple reference points received
Coordinate, calculates the centre of form of electronic installation 120 or the centre of form of display 127 in this reference level surface
On projected position, to represent electronic installation 120 position in space.
Owing to the internal generally all devices of electronic installation 120 have gyroscope, so the control of electronic installation 120
Circuit 121 can utilize gyroscope to obtain the angle of inclination of electronic installation 120.Additionally, electronic installation 120
Length and width, the length and width of display 127 and display 127 at electronic installation 120
In the position that arranges be all set-point.Therefore, the judge module of multimedia interaction control device 128 can profit
By control circuit 121 according to the coordinate of the projected position of above-mentioned reference point, calculate electronic installation 120
The centre of form of the centre of form or display 127 projected position in this reference level surface, to represent electronic installation
120 positions in space.
Or, multimedia interaction controls the judge module of device 128 and is possible with control circuit 121 foundation
The space coordinates of the multiple reference points received, calculates a multimedia shown on display 127 mutual
The particular geometric feature (such as central point) of traverse formula form (such as browser window) is in this reference level surface
On projected position, represent electronic installation 120 position in space.Such as, in the enforcement of Fig. 2
In example, electronic installation 120-a utilize display 127-a to show objective browser form 216, and electronics
Device 120-b utilizes display 127-b to show objective browser form 226.Due to display 127-a
The upper shown size of objective browser form 216 and the relative position in display 127-a, be all
Set by control circuit 121-a, so being all known parameters.Therefore, position detecting circuit 110 can be detectd
Survey and transmit the projected position in this reference level surface of the reference point 211～214 in electronic installation 120-a
Two-dimensional coordinate to electronic installation 120-a, multimedia interaction controls the judge module of device 128-a and then may be used
Utilize control circuit 121-a according to the coordinate of part or all of reference point, calculate objective browser form
The two-dimensional coordinate of the central point Wa of 216 projected position in this reference level surface, represents electronic installation
120-a position in space.In like manner, due to objective browser form shown on display 127-b
The size of 226 and the relative position in display 127-b, be all by set by control circuit 121-b,
So being all known parameters.Therefore, position detecting circuit 110 can detect and transmit electronic installation 120-b
In the space coordinates of reference point 221～224 to electronic installation 120-b, and multimedia interaction controls device
The judge module of 128-b then may utilize control circuit 121-b according to the part in reference point 221～224 or
All referring to the space coordinates of point, calculate the central point Wb of objective browser form 226 in this reference
The two-dimensional coordinate of the projected position on horizontal plane, represents electronic installation 120-b position in space.
Hereinafter collocation Figure 12～18 further illustrates source electronic installation 120-c according to candidate's electronic installation
Two-dimensional position, judge whether candidate's electronic installation accords with preferential direction Ds relative position in space
The function mode of the conjunction the first predetermined condition alleged by foregoing schemes 308.
Figure 12～18 is that the user instruction source electronic installation 120-c of source electronic installation 120-c is by mesh
Mark image object 500 towards preferential direction Ds transmits time, part electronics in multimedia interactive system 100 fills
The different aspects of the relative position putting projection in same reference level surface simplify after schematic diagram.At figure
In 12～18, electronic installation 120-a view field in reference level surface is 120-ap, display 127-a
In reference level surface be projected as view field 127-ap, display 127-a centre of form Ca with reference to water
Projected position in plane is Cap.Electronic installation 120-b is projected as view field in reference level surface
120-bp, display 127-b are projected as view field 127-bp, display 127-b in reference level surface
Centre of form Cb projected position in reference level surface be Cbp.Electronic installation 120-c is in reference level surface
On view field be 120-cp, display 127-c in reference level surface, be projected as view field
127-cp, the centre of form Cc projected position in reference level surface of display 127-c are Ccp.Electronics fills
Put 120-n and be projected as view field 120-np, display 127-n at reference levels in reference level surface
The centre of form Cn throwing in reference level surface being projected as view field 127-np, display 127-n on face
Shadow position is Cnp.Preferential direction Ds being projected as in reference level surface selectes projecting direction Dsp.Mesh
Mark image object 500 is projected as target projection object 1200 in reference level surface.
For convenience of description, it is assumed hereinafter that multimedia interactive system 100 utilizes display 127
Centre of form projected position in reference level surface, represents the electronic installation 120 throwing in reference level surface
Shadow position.
In the 21st embodiment of flow process 308, aforesaid first predetermined condition refers to, candidate's electronics
Device projected position (hereinafter referred to as candidate's projected position) in reference level surface parallel to the ground, is positioned at
Preferential direction Ds selecting pointed by projecting direction Dsp and select projection path in reference level surface
On Psp.
In the 22nd embodiment of flow process 308, aforesaid first predetermined condition refers to, aforementioned candidates
Distance between projected position and selected projection path Psp is less than the first preset distance value R1s.
In the 23rd embodiment of flow process 308, aforesaid first predetermined condition refers to, selected projection
Path P sp passes the display of a candidate's electronic installation display view field in reference level surface.
In the aspect of Figure 12, the preferential direction Ds selected projecting direction Dsp institute in reference level surface
Selected projection path Psp pointed to, through the throwing in reference level surface of centre of form Ca of display 127-a
Shadow position Cap, represents electronic installation 120-a projected position Cap in reference level surface and is positioned at selected throwing
In shadow path P sp.Owing to the projected position Cap of electronic installation 120-a is positioned at selected projection path Psp
On, so the distance between the projected position Cap of electronic installation 120-a and selected projection path Psp is zero.
As shown in figure 12, selected projection path Psp is through the view field 127-np of display 127-n, but does not has
There is the projected position Cnp in reference level surface of centre of form Cn through display 127-n, represent electronics dress
Put the projected position Cnp of 120-n not in selected projection path Psp.
Therefore, for the aspect of Figure 12, when candidate's electronic installation is electronic installation 120-a, many
The judge module of Media control device 128-c is in aforementioned 21st to the 23rd embodiment, all
Can judge that the position of electronic installation 120-a meets first with preferential direction Ds relative position in space pre-
Fixed condition.When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls device 128-c's
Judge module, in aforementioned 23rd embodiment, can judge the position of electronic installation 120-n and selected side
The first predetermined condition is met to Ds relative position in space, but in aforementioned 21st embodiment,
Then can judge that the position of candidate electronic installation 120-n is not inconsistent with preferential direction Ds relative position in space
Close the first predetermined condition.
In the aspect of Figure 13, selected selected projection path Psp pointed by projecting direction Dsp is through aobvious
Show the view field 127-ap of device 127-a, but not through the projection position of centre of form Ca of display 127-a
Put Cap, represent the projected position Cap of electronic installation 120-a not in selected projection path Psp.
Distance between projected position Cap and selected projection path Psp of centre of form Ca is G1sp, represents electronics
Distance between projected position Cap and selected projection path Psp of device 120-a is G1sp.Additionally,
Selected projection path Psp passes the view field 127-np of display 127-n, but not through display
The projected position Cnp of centre of form Cn of 127-n, represents the projected position Cnp of electronic installation 120-n not
It is positioned in selected projection path Psp.As shown in figure 13, the projected position of centre of form Ca of display 127-a
Distance G1sp between Cap and selected projection path Psp is less than the first preset distance value R1s, but shows
Distance between projected position Cnp and selected projection path Psp of centre of form Cn of device 127-n, the most substantially
More than the first preset distance value R1s.
Therefore, for the aspect of Figure 13, when candidate's electronic installation is electronic installation 120-a, many
The judge module of Media control device 128-c is in aforementioned 22nd and the 23rd embodiment, all
Can judge that the position of electronic installation 120-a meets first with preferential direction Ds relative position in space pre-
Fixed condition, but in aforementioned 21st embodiment, then can judge candidate electronic installation 120-a position and
Preferential direction Ds relative position in space does not meets the first predetermined condition.When candidate's electronic installation is electricity
During sub-device 120-n, multimedia interaction controls the judge module of device 128-c the aforementioned 21st and the
In 22 embodiments, all can judge that the position of candidate electronic installation 120-n and preferential direction Ds are in space
In relative position do not meet the first predetermined condition, but in aforementioned 23rd embodiment, then can judge
The position of candidate electronic installation 120-n meets first and makes a reservation for preferential direction Ds relative position in space
Condition.
In the 24th embodiment of flow process 308, aforesaid first predetermined condition refers to, selected projection
Direction Dsp points to selected projection path Psp and a belt-like zone S1sp, aforesaid candidate's projected position position
In belt-like zone S1sp, wherein belt-like zone S1sp centered by selected projection path Psp line and
Width is the twice of the first preset distance value R1s.
In the aspect of Figure 13, the projected position Cap of centre of form Ca of display 127-a is positioned at selected throwing
In belt-like zone S1sp pointed by the Dsp of shadow direction, represent the projected position Cap of electronic installation 120-a
It is positioned at belt-like zone S1sp.The projected position Cnp of centre of form Cn of display 127-n is positioned at banded regions
Outside the S1sp of territory, represent the projected position Cnp of electronic installation 120-n not in belt-like zone S1sp.
Therefore, for the aspect of Figure 13, when candidate's electronic installation is electronic installation 120-a, many
The judge module of Media control device 128-c, in aforementioned 24th embodiment, can judge candidate's electricity
The position of sub-device 120-a meets the first predetermined condition with preferential direction Ds relative position in space.
When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls the judge module of device 128-c
In aforementioned 24th embodiment, position and the preferential direction Ds of candidate electronic installation 120-n can be judged
Relative position in space does not meets the first predetermined condition.
In the 25th embodiment of flow process 308, aforesaid first predetermined condition refers to, selected projection
Direction Dsp points to a delta-shaped region S2sp, and aforesaid candidate's projected position is positioned at delta-shaped region S2sp
In, wherein delta-shaped region S2sp centered by selected projection path Psp line, with target image object 500
Projected position in reference level surface (that is position of projection object 1200) is summit and drift angle is sharp
Angle.
In the aspect of Figure 14, the projected position Cap of centre of form Ca of display 127-a is positioned at triangle
In the S2sp of region, the projected position Cap representing electronic installation 120-a is positioned at delta-shaped region S2sp.
The projected position Cnp of centre of form Cn of display 127-n is positioned at outside delta-shaped region S2sp, represents electronics
The projected position Cnp of device 120-n is not in delta-shaped region S2sp.
Therefore, for the aspect of Figure 14, when candidate's electronic installation is electronic installation 120-a, many
The judge module of Media control device 128-c, in aforementioned 25th embodiment, can judge candidate's electricity
The position of sub-device 120-a meets the first predetermined condition with preferential direction Ds relative position in space.
When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls the judge module of device 128-c
In aforementioned 25th embodiment, position and the preferential direction Ds of candidate electronic installation 120-n can be judged
Relative position in space does not meets the first predetermined condition.
In the 26th embodiment of flow process 308, aforesaid first predetermined condition refers to, selected projection
Direction Dsp and one first is acute angle with reference to 1 the 11st reference angle between projecting direction and is less than ginseng
Examine angle A s, wherein this first with reference to projecting direction with source electronic installation 120-c in this reference level surface
On projected position (projected position of hereinafter referred to as originating) Ccp be starting point, and this first refers to reference to projecting direction
To aforesaid candidate's projected position.
In the aspect of Figure 15, when candidate's electronic installation is electronic installation 120-a, first with reference to projection
Direction is that the projected position Ccp of centre of form Cc with display 127-c as starting point and points to display 127-a
The projecting direction D1sp of projected position Cap of centre of form Ca, the 11st is then projection side with reference to angle
Included angle A 1sp between D1sp and selected projecting direction Dsp.Included angle A 1sp is the least, to a certain degree
On represent the projected position Cap of candidate electronic installation 120-a closer to pointed by selected projecting direction Dsp
Selected projection path Psp.Therefore, if included angle A 1sp is acute angle and is less than with reference to angle As, the most
The judge module of Media control device 128-c, in aforementioned 26th embodiment, can judge that electronics fills
The position putting 120-a meets the first predetermined condition with preferential direction Ds relative position in space.Otherwise,
If included angle A 1sp is more than with reference to angle As, then multimedia interaction controls the judge module of device 128-c front
State in the 26th embodiment, can judge that the position of candidate electronic installation 120-a and preferential direction Ds are at sky
Relative position between does not meets the first predetermined condition.
In the aspect of Figure 15, when candidate's electronic installation is electronic installation 120-n, first with reference to projection
Direction is that the projected position Ccp of centre of form Cc with display 127-c as starting point and points to display 127-n
The projecting direction D2sp of projected position Cnp of centre of form Cn, the 11st is then projection side with reference to angle
Included angle A 2sp between D2sp and selected projecting direction Dsp.Included angle A 2sp is the least, to a certain degree
On represent the projected position Cnp of candidate electronic installation 120-n closer to pointed by selected projecting direction Dsp
Selected projection path Psp.Therefore, if included angle A 2sp is acute angle and is less than with reference to angle As, the most
The judge module of Media control device 128-c, in aforementioned 26th embodiment, can judge that electronics fills
The position putting 120-n meets the first predetermined condition with preferential direction Ds relative position in space.Otherwise,
If included angle A 2sp is more than with reference to angle As, then multimedia interaction controls the judge module of device 128-c front
State in the 26th embodiment, can judge that the position of candidate electronic installation 120-n and preferential direction Ds are at sky
Relative position between does not meets the first predetermined condition.
If the position of candidate's electronic installation meets aforementioned with preferential direction Ds relative position in space
The first predetermined condition in any embodiment of the 21st to the 26th embodiment, to a certain extent
Represent candidate's electronic installation and be positioned at the error tolerance near selected path P s pointed by preferential direction Ds
In the range of.Therefore, the electronic installation 120-c that originates may select this candidate's electronic installation and is used as reference electronic dress
Put.When multimedia interactive system 100 wants manufacturing objective image object to be that origin source electronic installation 120-c is transmitted to
It is positioned at the reference electronic device near selected path P s pointed by preferential direction Ds, again by reference electronic
When device is transmitted to the multimedia interaction effect of another candidate's electronic installation, source electronic installation 120-c can be from many
In other electronic installations of interactive system for media 100, select to meet the aforementioned 21st to the 26th real
Execute single candidate's electronic installation of the first predetermined condition in any embodiment of example, be used as benchmark electricity
Sub-device.
In implementation, multimedia interaction controls the judge module of device 128-c can be to multimedia interactive system 100
In other electronic installations carry out the judgement of foregoing schemes 308 one by one, to find out and the first predetermined condition phase
Candidate's electronic installation that symbol degree is the highest carrys out selective module as reference electronic device.Or, multimedia
The selection module of interactive control device 128-c can also find first to meet flow process 308 at judge module
Rule of judgment candidate's electronic installation after, be just used as reference electronic device with this candidate's electronic installation,
And terminate the judge module running in flow process 308, and no longer square with selected to the position of other electronic installations
Judge to Ds relative position in space.
It addition, work as the multimedia interaction application that multimedia interactive system 100 is carried out, candidate's electronics is filled
When putting relatively low with the judgement precise requirements of preferential direction Ds relative position in space, can be by aforesaid
First preset distance value R1s or reference angle As are relaxed.Otherwise, when multimedia interaction is applied for candidate
When the judgement precise requirements of electronic installation and preferential direction Ds relative position in space is higher, can be by
Aforesaid first preset distance value R1s or reference angle As reduce or use the 21st embodiment
First predetermined condition set-up mode.
In the 27th embodiment of flow process 308, aforesaid first predetermined condition refers to, selected projection
Direction Dsp and one second is acute angle and aforesaid with reference to the 12nd between projecting direction with reference to angle
11st is less than the 12nd reference angle with reference to angle, and wherein this second reference projecting direction is with throwing of originating
Shadow position Ccp is starting point, and points to the comparison electronic installation in multimedia interactive system 100 in this ginseng
Examine the projected position on horizontal plane (hereinafter referred to as compareing projected position).
In the aspect of Figure 15, when candidate's electronic installation is electronic installation 120-a, multimedia interaction control
The judge module of device 128-c processed can select another projected position close to the electronics of selected projection path Psp
Device 120-n is as comparison electronic installation.Now, the first reference projecting direction is equally with centre of form Cc
Projected position Ccp is the projecting direction D1sp of starting point and the projected position Cap pointing to centre of form Ca, and
11st reference angle is the angle between projecting direction D1sp and selected projecting direction Dsp the most equally
A1sp.Second with reference to projecting direction be the projected position Ccp of centre of form Cc with display 127-c as starting point,
And the projecting direction D2sp of the projected position Cnp of centre of form Cn of sensing display 127-n, and the 12nd
It is then included angle A 2sp between projecting direction D2sp and selected projecting direction Dsp with reference to angle.Included angle A 2sp
The least, represent the projected position Cnp of comparison electronic installation 120-n to a certain extent closer to selected throwing
Shadow path P sp.In the aspect of Figure 15, owing to included angle A 1sp is acute angle and is less than included angle A 2sp,
The most i.e. represent the projected position Cap of candidate electronic installation 120-a than comparison electronic installation
The projected position Cnp of 120-n is closer to selected projection path Psp.Therefore, multimedia interaction controls device
The judge module of 128-c, in aforementioned 27th embodiment, can judge the position of candidate electronic installation 120-a
Put and meet the first predetermined condition with preferential direction Ds relative position in space.
In the aspect of Figure 15, when candidate's electronic installation is electronic installation 120-n, multimedia interaction control
The judge module of device 128-c processed can select another projected position close to the electronics of selected projection path Psp
Device 120-a is as comparison electronic installation.Now, first is the projection with centre of form Cc with reference to projecting direction
Position Ccp is the projecting direction D2sp of starting point and the projected position Cnp pointing to centre of form Cn, and the tenth
One reference angle is then included angle A 2sp between projecting direction D2sp and selected projecting direction Dsp.Second
It is with the projected position Ccp of centre of form Cc as starting point with reference to projecting direction and points to the projection position of centre of form Ca
Putting the projecting direction D1sp of Cap, the 12nd reference angle is then projecting direction D1sp and selected projection
Included angle A 1sp between the Dsp of direction.In the aspect of Figure 15, owing to included angle A 2sp is more than included angle A 1sp,
The most i.e. represent comparison electronic installation 120-a position than candidate electronic installation 120-n closer to
Selected projection path Psp.Therefore, multimedia interaction controls the judge module of device 128-c aforementioned second
In 17 embodiments, can judge that the position of candidate electronic installation 120-n and preferential direction Ds are in space
Position relatively does not meets the first predetermined condition.
When multimedia interaction controls the selection module position to be selected of device 128-c closest to preferential direction Ds
One single candidate's electronic installation of pointed selected path P s, when being used as reference electronic device, can adopt
The first predetermined condition is set by the mode of aforementioned 27th embodiment.
In the 28th embodiment of flow process 308, aforesaid first predetermined condition refers to, electronics of originating
Device 120-c is projected as a source view field 120-cp, candidate's electronic installation in this reference level surface
Being projected as a candidate view field in this reference level surface, aforesaid candidate's projected position is positioned at this choosing
Determine in projection path Psp, and selected projection path Psp projects with candidate at source view field 120-cp
Section between region, will not touch other electronic installations in multimedia interactive system 100 in this ginseng
Examine the projection on horizontal plane.
In the 29th embodiment of flow process 308, aforesaid first predetermined condition refers to, aforesaid time
Select the distance between projected position and selected projection path Psp less than the first preset distance value R1s and selected
Projection path Psp section between source view field 120-cp and candidate view field, will not contact
The projection in this reference level surface of other electronic installations in multimedia interactive system 100.
In the 30th embodiment of flow process 308, aforesaid first predetermined condition refers to, selected projection road
Footpath Psp passes the display of a candidate's electronic installation display view field in this reference level surface,
And the section that selected projection path Psp is between source view field 120-cp and candidate view field, no
The projection in this reference level surface of other electronic installations in multimedia interactive system 100 can be touched.
In the aspect of Figure 12, electronic installation 120-a is projected as view field in this reference level surface
120-ap.Selected projection path Psp is through the projected position Cap of centre of form Ca of display 127-a, generation
The projected position Cap of table electronic installation 120-a is positioned in selected projection path Psp, so electronic installation
Distance between projected position Cap and selected projection path Psp of 120-a is zero.
In the aspect of aforementioned Figure 12, selected projection path Psp is at source view field 120-cp and electronics
Section between the view field 120-ap of device 120-a, can be through the display of electronic installation 120-n
The view field 127-np of 127-n.This represents source electronic installation 120-c to a certain extent and fills with electronics
Put and stopped by electronic installation 120-n between 120-a.
Therefore, for the aspect of Figure 12, when candidate's electronic installation is electronic installation 120-a, many
The judge module of Media control device 128-c, in aforementioned 28th to the 30th embodiment, all can
Judge that the position of candidate electronic installation 120-a does not meets the with preferential direction Ds relative position in space
One predetermined condition.
If the position of candidate's electronic installation meets aforementioned with preferential direction Ds relative position in space
The first predetermined condition in any embodiment of the 28th to the 30th embodiment, to a certain extent generation
The projected position of table candidate's electronic installation, is positioned at the selected projection path pointed by selected projecting direction Dsp
In an error tolerance near Psp, and do not have between candidate's electronic installation and source electronic installation 120-c
Have and stopped by other electronic installations.Therefore, only waiting when multimedia interactive system 100 to manufacture
Select in the case of not stopped by other electronic installations between electronic installation and source electronic installation 120-c,
When candidate's electronic installation just can be chosen as the multimedia interaction effect of reference electronic device, use aforementioned second
The first predetermined condition setting means in 18 to the 30th embodiments, just can avoid candidate's electronic installation with
Being stopped by other electronic installations between the electronic installation 120-c of source, candidate's electronic installation is the most permissible
The undesirable situation being chosen as reference electronic device occurs.
In the 31st embodiment of flow process 308, aforesaid first predetermined condition refers to, aforesaid
One with reference to forming 1 the 13rd reference angle, and the aforementioned tenth between projecting direction and the second reference projecting direction
One is less than the half of the 13rd reference angle with reference to angle.
In the 32nd embodiment of flow process 308, aforesaid first predetermined condition refers to, aforesaid
This reference level surface is cut into one first reference area with reference to the one first of projecting direction place with reference to straight line by two
Territory and one second reference zone, selected projecting direction Dsp points to the first reference zone, and candidate's electronics dress
Put the projected position in this reference level surface and be positioned at the first reference zone.
In the aspect of Figure 16, when candidate's electronic installation is electronic installation 120-a, multimedia interaction control
The judge module of device 128-c processed can select another projected position close to the electronics of selected projection path Psp
Device 120-n is as comparison electronic installation.Now, the first reference projecting direction is equally with centre of form Cc
Projected position Ccp is the projecting direction D1sp of starting point and the projected position Cap pointing to centre of form Ca, and
11st reference angle is the angle between projecting direction D1sp and selected projecting direction Dsp the most equally
A1sp.Second is with the projected position Ccp of centre of form Cc as starting point and to point to the centre of form with reference to projecting direction
The projecting direction D2sp of the projected position Cnp of Cn, the 13rd reference angle is then projecting direction D1sp
And included angle A 3sp between projecting direction D2sp.If included angle A 1sp is less than the half of included angle A 3sp,
Represent the projected position Cap of candidate electronic installation 120-a in a way than comparison electronic installation 120-n
Projected position Cnp closer to selected projection path Psp.Additionally, first is projecting direction with reference to straight line
The reference straight line L2sp at D2sp place.With reference to straight line L2sp, reference level surface is cut into one first reference
Region SRsp and one second reference zone SLsp.As shown in figure 16, selected projecting direction Dsp points to the
One reference zone SRsp, and the projected position Cap of electronic installation 120-a is positioned at the first reference zone SRsp
In.Therefore, multimedia interaction controls the judge module of device 128-c the aforementioned 31st and the 32nd
In embodiment, all can judge position and the preferential direction Ds phase in space of candidate electronic installation 120-a
Position is met the first predetermined condition.
When multimedia interaction controls the selection module projected position to be selected of device 128-c closest to selected throwing
One single candidate's electronic installation of selected projection path Psp pointed by the Dsp of shadow direction, is used as benchmark
During electronic installation, the mode in aforementioned 31st or the 32nd embodiment can be used to set first pre-
Fixed condition.
In the 33rd embodiment of flow process 308, aforesaid first predetermined condition refers to, electronics of originating
The source pointing direction Dc projecting direction Dcp in this reference level surface of device 120-c (hereinafter referred to as comes
Projecting direction Dcp is pointed in source), to originate, projected position Ccp points to projecting direction Dcp two for axle toward source
Side respectively rotates the first reference viewing angle VA1s can define a source field of view, and projecting direction is pointed in source
This source field of view is cut into one first half side reference zone and one second half side reference zone by Dcp,
Selected projecting direction Dsp points to this first half side reference zone, and candidate's electronic installation be positioned at this first half
In the reference zone of side.Meanwhile, candidate's pointing direction of candidate's electronic installation in this reference level surface one
Projecting direction (hereinafter referred to as candidate points to projecting direction), with candidate's projected position as axle, points to toward this candidate
Projecting direction both sides respectively rotate the second reference viewing angle VA2s can define one first candidate's field of view, and
Source projected position Ccp is positioned in first candidate's field of view.
In the 34th embodiment of flow process 308, aforesaid first predetermined condition refers to, source is pointed to
1 the 14th is formed with reference to angle, aforesaid first ginseng between projecting direction Dcp and selected projecting direction Dsp
Examine projecting direction and source is pointed to and formed 1 the 15th between projecting direction Dcp with reference to angle, the 14th ginseng
Examine angle and the 15th with reference to angle less than aforementioned first reference viewing angle VA1s.Meanwhile, one first reference
The candidate of back projection direction and candidate's electronic installation points to and forms 1 the 16th reference angle between projecting direction,
And the 16th with reference to angle less than aforementioned second reference viewing angle VA2s, wherein, this is first with reference to back projection
Direction is with candidate's projected position as starting point, and points to source projected position Ccp.
When the 15th is less than the first reference viewing angle VA1s with reference to angle, represents candidate's projected position and be positioned at
In the source field of view of source electronic installation 120-c.It is less than the second reference viewing angle with reference to angle when the 16th
During VA2s, the source projected position Ccp representing source electronic installation 120-c is positioned at candidate's electronic installation
In first candidate's field of view.
In the aspect of Figure 17, source is pointed to projecting direction Dcp and is come and gone for axle with source projected position Ccp
Source is pointed to projecting direction Dcp both sides and is respectively rotated the first reference viewing angle VA1s, can define by right half side reference
The source field of view that region VRsp and a left side half side reference zone VLsp is formed.Display 127-a
The projected position Cap of centre of form Ca be positioned at right half side reference zone VRsp, represent electronic installation 120-a
Projected position be positioned at right half side reference zone VRsp.As shown in figure 17, selected projecting direction Dsp refers to
The most half side reference zone VRsp.
14th with reference to the angle that angle is that source points between projecting direction Dcp and selected projecting direction Dsp
A4sp.When included angle A 4sp is less than the first reference viewing angle VA1s, represents selected projecting direction Dsp and point to
In the source field of view of source electronic installation 120-c.
When candidate's electronic installation is electronic installation 120-a, the first reference projecting direction is with the centre of form equally
The projected position Ccp of Cc is the projecting direction D1sp of starting point and the projected position Cap pointing to centre of form Ca.
Multimedia interaction controls the judge module of device 128-c and can move to projecting direction D1sp with candidate's electronics
The projected position (in this example for the projected position Cap of centre of form Ca) of device 120-a is starting point, and general side
Turnback is turned over, to define first with reference to back projection direction D1sp ' to D1sp.Now, the 15th ginseng
Examining angle is included angle A 5sp between direction D1sp and source sensing projecting direction Dcp, the 16th reference
Angle is then that the candidate of the first reference back projection direction D1sp ' and electronic installation 120-a points to projecting direction
Included angle A 6sp between Dap.
The candidate of candidate electronic installation 120-a points to projecting direction Dap, with candidate electronic installation 120-a's
Candidate's projected position (being the projected position Cap of centre of form Ca of display 127-a in this example) is axle, past
Candidate points to projecting direction Dap both sides and respectively rotates the second reference viewing angle VA2s, can define one first candidate
Field of view.As shown in figure 17, it is both less than the first reference viewing angle due to included angle A 4sp and included angle A 5sp
VA1s, and included angle A 6sp is less than the second reference viewing angle VA2s, therefore multimedia interaction controls device 128-c
Judge module in aforementioned 33rd and the 34th embodiment, all can judge candidate's electronic installation
The position of 120-a meets the first predetermined condition with preferential direction Ds relative position in space.
In the 33rd embodiment, it is constrained to be less than the first reference viewing angle with reference to angle by the 15th
VA1s, and it is constrained to be less than the mode of the second reference viewing angle VA2s by the 16th with reference to angle, it is to use
Limit source electronic installation 120-c and candidate's electronic installation relative position in space, it is necessary to belong to
In or close to aspectant aspect, source electronic installation 120-c could select candidate's electronic installation to be used as base
Quasi-electronic installation.
In implementation, aforesaid first reference viewing angle VA1s can be identical with the second reference viewing angle VA2s, also
Can be different from the second reference viewing angle VA2s.
When multimedia interactive system 100 to manufacture only at source electronic installation 120-c and candidate's electronic installation
Both belong to or in the case of the aspect of approaching face opposite relative position in space, and candidate's electronic installation is
When can be chosen as the multimedia interaction effect of reference electronic device, use the aforementioned 33rd or the 34th
The first predetermined condition setting means in embodiment, just can avoid candidate's electronic installation originate dorsad electronics dress
Putting 120-c, the undesirable situation that the most still may be selected reference electronic device occurs.On the other hand, adopt
With the first predetermined condition setting means in aforementioned 33rd or the 34th embodiment, it is possible to avoid
Source electronic installation 120-c candidate's electronic installation dorsad, candidate's electronic installation but or can be chosen as reference electronic
The undesirable situation of device occurs.
In the 35th embodiment of flow process 308, aforesaid first predetermined condition refers to, aforementioned first
With reference to forming 1 the 17th reference angle between candidate's pointing direction of projecting direction and candidate's electronic installation, front
State the 14th and be less than the first reference viewing angle VA1s, and the tenth with reference to angle and the aforementioned 15th with reference to angle
Seven are less than the second reference viewing angle VA2s with reference to angle.
In the 36th embodiment of flow process 308, aforesaid first predetermined condition refers to, selected projection
Direction Dsp points to aforementioned first half side reference zone, and candidate's projected position of candidate's electronic installation is positioned at this
In first half side reference zone, and the aforesaid 17th is less than 90 degree with reference to angle.
When the 15th is less than the first reference viewing angle VA1s with reference to angle, represents candidate's projected position and be positioned at
In the source field of view of source electronic installation 120-c.It is less than the second reference viewing angle with reference to angle when the 17th
VA2s or when 90 degree, the candidate representing candidate electronic installation 120-a to a certain extent points to projection side
Being the source view field 120-cp back to source electronic installation 120-c to Dap, this also represents candidate's electricity
The user of sub-device 120-a was probably the user back to source electronic installation 120-c at that time.
In the aspect of Figure 18, source is pointed to projecting direction Dcp and is come and gone for axle with source projected position Ccp
Source is pointed to projecting direction Dcp both sides and is respectively rotated the first reference viewing angle VA1s, can define by right half side reference
The source field of view that region VRsp and a left side half side reference zone VLsp is formed.Display 127-a
The projected position Cap of centre of form Ca be positioned at right half side reference zone VRsp, represent electronic installation 120-a
Projected position be positioned at right half side reference zone VRsp.As shown in figure 18, selected projecting direction Dsp refers to
The most half side reference zone VRsp.
Similarly, the 14th is that projecting direction Dcp and selected projecting direction Dsp is pointed in source with reference to angle
Between included angle A 4sp.When included angle A 4sp is less than the first reference viewing angle VA1s, represent selected projecting direction
Dsp points in the source field of view of source electronic installation 120-c.
When candidate's electronic installation is electronic installation 120-a, the 17th reference angle is projecting direction D1sp
And the candidate of candidate electronic installation 120-a points to included angle A 7sp between projecting direction Dap.
As shown in figure 18, owing to included angle A 4sp and included angle A 5sp are both less than the first reference viewing angle VA1s,
And included angle A 7sp is less than the second reference viewing angle VA2s and less than 90 degree, therefore multimedia interaction controls device
The judge module of 128-c, in aforementioned 35th and the 36th embodiment, all can judge that candidate's electronics fills
The position putting 120-a meets the first predetermined condition with preferential direction Ds relative position in space.
In the 35th embodiment, it is constrained to be less than the first reference viewing angle with reference to angle by the 15th
VA1s, and it is constrained to be less than the mode of the second reference viewing angle VA2s by the 17th with reference to angle, it is to use
Limit source electronic installation 120-c and candidate's electronic installation relative position in space, it is necessary to be
Candidate's electronic installation belongs to or belongs to close to back to source electronic installation 120-c and source electronic installation 120-c
In or close to towards the aspect of candidate's electronic installation, source electronic installation 120-c could select candidate's electronics to fill
Put and be used as reference electronic device.
Similarly, aforesaid first reference viewing angle VA1s can be identical with the second reference viewing angle VA2s, also
Can be different from the second reference viewing angle VA2s.
When multimedia interactive system 100 to manufacture only at source electronic installation 120-c and candidate's electronic installation
Both relative positions in space, are that candidate's electronic installation belongs to or close to back to source electronic installation
120-c but source electronic installation 120-c belongs to or close to towards in the case of the aspect of candidate's electronic installation,
When candidate's electronic installation just can be chosen as the multimedia interaction effect of reference electronic device, use the aforementioned 3rd
The first predetermined condition setting means in 15 or the 36th embodiment, just can avoid candidate's electronic installation
Towards source electronic installation 120-c, the undesirable situation that the most still may be selected reference electronic device is sent out
Raw.On the other hand, the first predetermined condition in aforementioned 35th or the 36th embodiment is used to set
Mode, it is possible to avoiding electronic installation 120-c candidate's electronic installation dorsad of originating, candidate's electronic installation is the most still
The undesirable situation that can be chosen as reference electronic device occurs.
As it was previously stated, multimedia interaction controls the target direction decision module of device 128-c in aforesaid flow process
Understand position and the preferential direction Ds of benchmark electronic installation in 312, determine a target direction Dt.For
For the sake of convenience explanation, it is assumed hereinafter that multimedia interaction controls the selection module of device 128-c at aforesaid stream
Journey 310 have selected electronic installation 120-a as reference electronic device.
Hereinafter collocation Figure 19～21 further illustrates source electronic installation 120-c in foregoing schemes 312
Determine the function mode of target direction.
Figure 19～21 is source electronic installation 120-c and reference electronic device 120-a in space relative
Schematic diagram after the different aspects simplification of position.
Multimedia interaction controls the target direction decision module of device 128-c and can be moved to by preferential direction Ds
With the position of reference electronic device 120-a as starting point, to define second ginseng parallel with preferential direction Ds
Examine direction of displacement Dss2.As it was previously stated, the judge module that multimedia interaction controls device 128-c can use base
The particular geometric feature of quasi-electronic installation 120-a, special sign, particular element, specific region, display
The particular geometric feature of the particular display area in the particular geometric feature of 127-a or display 127-a exists
Position in space, represents reference electronic device 120-a position in space.For the side on illustrating
Just, also assuming that at this that multimedia interaction controls the judge module of device 128-c is to utilize display 127-a
The position of centre of form Ca, represent reference electronic device 120-a position in space.
In the aspect of Figure 19～Figure 21, second with reference to direction of displacement Dss2 and reference electronic device 120-a
Pointing direction Da between can form the 4th less than 180 degree with reference to included angle A 4s.Multimedia interaction control
The position of reference electronic device 120-a can be set to target side by the target direction decision module of device 128-c processed
To the starting point of Dt, and make shape between the pointing direction Da of target direction Dt and reference electronic device 120-a
Cheng Yi five is with reference to included angle A 5s.
In implementation, the 5th with reference to the supplementary angle that included angle A 5s can be aforementioned 4th reference included angle A 4s.It addition,
Multimedia interaction controls the target direction decision module of device 128-c can be arranged at benchmark by target direction Dt
The pointing direction Da of electronic installation 120-a and second puts down with reference to the space at direction of displacement Dss2 place
On face.
As shown in Figure 19 to Figure 21, when the pointing direction Da of reference electronic device 120-a changes, many
Media controls target direction Dt defined in the target direction decision module of device 128-c can also be with
Change.
Hereinafter collocation Figure 22～30 further illustrates source electronic installation 120-c in foregoing schemes 414
Function mode.
Figure 22～30 is that the user instruction source electronic installation 120-c of source electronic installation 120-c is by mesh
Mark image object 500 towards preferential direction Ds transmits time, part electronics in multimedia interactive system 100 fills
Put the schematic diagram after the different aspects of relative position in space simplify.
In implementation, source electronic installation 120-c can judge to wait according to the three-dimensional position of candidate's electronic installation
Select whether electronic installation meets alleged by foregoing schemes 414 with target direction Dt relative position in space
Second predetermined condition.
In the first embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronic installation
Must be positioned on the destination path Pt pointed by target direction Dt.
In the second embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronic installation
Position and destination path Pt between distance less than one first predetermined value R1.
In the 3rd embodiment of flow process 414, aforesaid second predetermined condition refers to, destination path Pt wears
Cross the optional position of display on candidate's electronic installation.
In the 4th embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronic installation
It is positioned on destination path Pt place and a target vertical face (not illustrating) perpendicular to the ground.
In the 5th embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronic installation
Position and preceding aim vertical between distance less than the first predetermined value R1.
In the aspect of Figure 22, the destination path Pt pointed by target direction Dt passes display 127-b
Centre of form Cb, represent electronic installation 120-b and be positioned on destination path Pt, also be located at destination path Pt institute
Target vertical face on.Owing to electronic installation 120-b is positioned on destination path Pt and target vertical face,
So the distance between the position of electronic installation 120-b and destination path Pt is zero, and electronic installation 120-b
Position and target vertical face between distance be also zero.As shown in figure 22, destination path Pt is through aobvious
Show device 127-n, but not through centre of form Cn of display 127-n, represent electronic installation 120-n not position
On destination path Pt, also on the target vertical face not at destination path Pt place.
Therefore, for the aspect of Figure 22, when candidate's electronic installation is electronic installation 120-b, many
Media control device 128-c judge module in the first to the 5th embodiment of foregoing schemes 414,
Will judge that the position of electronic installation 120-b meets second with target direction Dt relative position in space
Predetermined condition.When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls device 128-c
Judge module in the 3rd embodiment of foregoing schemes 414, the position of electronic installation 120-n can be judged
The second predetermined condition is met with target direction Dt relative position in space, but at foregoing schemes 414
First or the 4th in embodiment, and multimedia interaction controls the judge module of device 128-c then can judge candidate's electricity
The position of sub-device 120-n does not meets the second predetermined bar with target direction Dt relative position in space
Part.
In the aspect of Figure 23, the destination path Pt pointed by target direction Dt passes display 127-b
Region, but not through centre of form Cb of display 127-b, represent electronic installation 120-b not at
On destination path Pt, also on the target vertical face not at destination path Pt place.Centre of form Cb and mesh
Distance between mark path P t is G1, represents between the position of electronic installation 120-b and destination path Pt
Distance be G1.Additionally, destination path Pt is through the neighboring area of electronic installation 120-n, but there is no warp
Cross the region of display 127-n, represent electronic installation 120-n not on destination path Pt, the most also
On the non-target vertical face being positioned at destination path Pt place.As shown in figure 23, the centre of form of display 127-b
Distance G1 between Cb and destination path Pt is less than the first predetermined value R1, but the centre of form of display 127-n
Distance between Cn and destination path Pt, the most significantly greater than first predetermined value R1.
Therefore, for the aspect of Figure 23, when candidate's electronic installation is electronic installation 120-b, many
Media control device 128-c judge module foregoing schemes 414 second, third and the 5th implement
In example, all can judge the position of electronic installation 120-b and target direction Dt relative position sign in space
Close the second predetermined condition, but in first and the 4th in embodiment of foregoing schemes 414, then can judge candidate
The position of electronic installation 120-b does not meets the second predetermined bar with target direction Dt relative position in space
Part.When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls the judgement of device 128-c
Module, in the first to the 5th embodiment of foregoing schemes 414, all can judge candidate electronic installation 120-n
Position do not meet the second predetermined condition with target direction Dt relative position in space.
In the sixth embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronic installation
Being positioned at the cylindrical region S1 pointed by target direction Dt, wherein cylindrical region S1 is with target direction
Dt is axle and radius is the first predetermined value R1.
In the aspect of Figure 23, centre of form Cb of display 127-b is positioned at the post pointed by target direction Dt
In the S1 of shape region, represent electronic installation 120-b and be positioned at cylindrical region S1.The centre of form of display 127-n
Cn is positioned at outside cylindrical region S1, represents electronic installation 120-n not in cylindrical region S1.
Therefore, for the aspect of Figure 23, when candidate's electronic installation is electronic installation 120-b, many
The judge module of Media control device 128-c, in the sixth embodiment of foregoing schemes 414, can judge
The position of candidate electronic installation 120-b meets second and makes a reservation for target direction Dt relative position in space
Condition.When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls sentencing of device 128-c
Disconnected module, in the sixth embodiment of foregoing schemes 414, can judge the position of candidate electronic installation 120-n
The second predetermined condition is not met with target direction Dt relative position in space.
In the 7th embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronic installation
It is positioned at a taper region (the pyramidal or cone region) S2 pointed by target direction Dt, wherein bores
Shape region S2 is with target direction Dt as axle, with the position of reference electronic device 120-a as summit and drift angle
For acute angle.In implementation, taper region S2 can be a cone shape region or pyramidal region.
In the aspect of Figure 24, taper region S2 is a coniform region, and the shape of display 127-b
Heart Cb is positioned at taper region S2, represents electronic installation 120-b and is positioned at taper region S2.Display
Centre of form Cn of 127-n is positioned at outside the S2 of taper region, represents electronic installation 120-n not at taper region
In S2.
Therefore, for the aspect of Figure 24, when candidate's electronic installation is electronic installation 120-b, many
The judge module of Media control device 128-c, in the 7th embodiment of foregoing schemes 414, can judge
The position of candidate electronic installation 120-b meets second and makes a reservation for target direction Dt relative position in space
Condition.When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls sentencing of device 128-c
Disconnected module, in the 7th embodiment of foregoing schemes 414, can judge the position of candidate electronic installation 120-n
The second predetermined condition is not met with target direction Dt relative position in space.
In the 8th embodiment of flow process 414, aforesaid second predetermined condition refers to, target direction Dt with
One first angle between one first direction is acute angle and is less than critical angle Ath, wherein first direction
With the position of reference electronic device 120-a as starting point, and point to the position of candidate's electronic installation.
In the aspect of Figure 25, when candidate's electronic installation is electronic installation 120-b, first direction be with
Centre of form Ca of display 127-a is the direction D1 of starting point and centre of form Cb pointing to display 127-b.
Straight line L1 pointed by the D1 of direction can be by centre of form Cb of display 127-b.First angle is then direction
Included angle A 1 between D1 and target direction Dt.Included angle A 1 is the least, represents candidate's electricity to a certain extent
The position of sub-device 120-b is closer to the destination path Pt pointed by target direction Dt.Therefore, if angle
A1 is acute angle and is less than critical angle Ath, then multimedia interaction controls the judge module of device 128-c
In the 8th embodiment of foregoing schemes 414, position and the target direction of electronic installation 120-b can be judged
Dt relative position in space meets the second predetermined condition.Otherwise, if included angle A 1 is more than critical angle
Ath, then multimedia interaction controls the judge module the 8th embodiment at foregoing schemes 414 of device 128-c
In, the position of candidate electronic installation 120-b and target direction Dt relative position in space can be judged not
Meet the second predetermined condition.
In the aspect of Figure 25, when candidate's electronic installation is electronic installation 120-n, first direction be with
Centre of form Ca of display 127-a is the direction D2 of starting point and centre of form Cn pointing to display 127-n.
Straight line L2 pointed by the D2 of direction can be by centre of form Cn of display 127-n.First angle is then direction
Included angle A 2 between D2 and target direction Dt.Included angle A 2 is the least, represents candidate's electricity to a certain extent
The position of sub-device 120-n is closer to the destination path Pt pointed by target direction Dt.Therefore, if angle
A2 is acute angle and is less than critical angle Ath, then multimedia interaction controls the judge module of device 128-c
In the 8th embodiment of foregoing schemes 414, position and the target direction of electronic installation 120-n can be judged
Dt relative position in space meets the second predetermined condition.Otherwise, if included angle A 2 is more than critical angle
Ath, then multimedia interaction controls the judge module the 8th embodiment at foregoing schemes 414 of device 128-c
In, the position of candidate electronic installation 120-n and target direction Dt relative position in space can be judged not
Meet the second predetermined condition.
In the aspect that aforementioned Figure 25 and further part illustrate, if centre of form Ca, Cb, Cn three be not same
On one space plane, then target direction Dt, direction D1 and direction D2 three also will not be at the same space
In plane.
If the position of candidate's electronic installation meets aforementioned with target direction Dt relative position in space
Arbitrary second predetermined condition in one to the 8th embodiment, represents candidate's electronic installation position to a certain extent
In an error tolerance near the destination path Pt pointed by target direction Dt.Therefore, when many
Interactive system for media 100 wants manufacturing objective image object to be that origin source electronic installation 120-c is transmitted to reference electronic
Device 120-a, then rebound to candidate's electronic installation multimedia interaction effect time, use aforementioned first to
The second predetermined condition setting means in eight embodiments, can avoid candidate's electronic installation and target direction Dt institute
Hypertelorism between the destination path Pt pointed to, the most still can receive the non-pre-of target image object
Phase situation occurs.
It addition, work as the multimedia interaction application that multimedia interactive system 100 is carried out, candidate's electronics is filled
When putting relatively low with the judgement precise requirements of target direction Dt relative position in space, can be by aforesaid
First predetermined value R1 or critical angle Ath are relaxed.Otherwise, when multimedia interaction is applied for candidate's electronics
When the judgement precise requirements of device and target direction Dt relative position in space is higher, can be by aforementioned
The first predetermined value R1 or critical angle Ath reduce or use flow process 414 first embodiment the
Two predetermined condition set-up modes.
In the 9th embodiment of flow process 414, aforesaid second predetermined condition refers to, target direction Dt with
One second angle between one second direction be acute angle and aforementioned first angle less than this second angle, its
Middle second direction is with the position of reference electronic device 120-a as starting point, and points to multimedia interactive system 100
In the position of one the 3rd electronic installation.
In the aspect of Figure 26, when candidate's electronic installation is electronic installation 120-b, multimedia interaction control
The judge module of device 128-c processed can select another close to the electronic installation 120-n work of destination path Pt
It it is the 3rd electronic installation.Now, first direction be equally with centre of form Ca of display 127-a as starting point,
And the direction D1 of centre of form Cb of sensing display 127-b, the first angle is direction D1 and mesh the most equally
Included angle A 1 between mark direction Dt.Second direction be then with centre of form Ca of display 127-a as starting point,
And the direction D2 of centre of form Cn of sensing display 127-n, the second angle is then direction D2 and target side
Included angle A 2 between Dt.Included angle A 2 is the least, represents the 3rd electronic installation 120-n to a certain extent
Position closer to the destination path Pt pointed by target direction Dt.In the aspect of Figure 26, due to folder
Angle A1 is acute angle and is less than included angle A 2, the most i.e. represents candidate electronic installation 120-b's
Position than the 3rd electronic installation 120-n closer to the destination path Pt pointed by target direction Dt.Therefore,
The judge module of multimedia interaction control device 128-c, in the 9th embodiment of foregoing schemes 414, can be sentenced
Determining the position of candidate electronic installation 120-b, to meet second with target direction Dt relative position in space pre-
Fixed condition.
In the aspect of Figure 26, when candidate's electronic installation is electronic installation 120-n, multimedia interaction control
The judge module of device 128-c processed can select another close to the electronic installation 120-b work of destination path Pt
It it is the 3rd electronic installation.Now, first direction is and to refer to centre of form Ca of display 127-a as starting point
To the direction D2 of centre of form Cn of display 127-n, the first angle is then direction D2 and target direction
Included angle A 2 between Dt.Second direction is with centre of form Ca of display 127-a as starting point and points to aobvious
Show the direction D1 of centre of form Cb of device 127-b, the second angle be then direction D1 with target direction Dt it
Between included angle A 1.In the aspect of Figure 26, owing to included angle A 2 is more than included angle A 1, to a certain extent
I.e. represent the position of the 3rd electronic installation 120-b than candidate electronic installation 120-n closer to target direction Dt
Pointed destination path Pt.Therefore, multimedia interaction controls the judge module of device 128-c aforementioned
In 9th embodiment of flow process 414, position and the target direction Dt of candidate electronic installation 120-n can be judged
Relative position in space does not meets the second predetermined condition.
When multimedia interactive system 100 to manufacture only position closest to the target pointed by target direction Dt
One single candidate's electronic installation of path P t, just can receive the mesh that source electronic installation 120-c is transmitted
When marking the multimedia interaction effect of image object or target instruction target word, use second in aforementioned 9th embodiment
Predetermined condition setting means, just can avoid originate the target image object that transmitted of electronic installation 120-c or mesh
Mark instruction, the undesirable situation received by multiple candidate's electronic installations occurs.
In the tenth embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronic installation
Be positioned on destination path Pt, and destination path Pt reference electronic device 120-a and candidate's electronic installation it
Between section will not touch other electronic installations in multimedia interactive system 100.
In the 11st embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronics fills
Distance between the position and the destination path Pt that put is less than the first predetermined value R1, and destination path Pt is at base
Section between quasi-electronic installation 120-a and candidate's electronic installation will not touch multimedia interactive system 100
In other electronic installations.
In the 12nd embodiment of flow process 414, aforesaid second predetermined condition refers to, destination path Pt
Display on candidate's electronic installation, and destination path Pt is reference electronic device 120-a and candidate
Section between electronic installation will not touch other electronic installations in multimedia interactive system 100.
In the 13rd embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronics fills
On target vertical face setting in destination path Pt place, and target vertical face is at reference electronic device 120-a
And the region between candidate's electronic installation will not touch other electronics dress in multimedia interactive system 100
Put.
In the 14th embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronics fills
Distance between position and the target vertical face put is less than the first predetermined value R1, and target vertical face is at benchmark
Region between electronic installation 120-a and candidate's electronic installation will not touch multimedia interactive system 100
In other electronic installations.
In the aspect of Figure 27, the destination path Pt pointed by target direction Dt passes display 127-b
Centre of form Cb, represent electronic installation 120-b and be positioned on destination path Pt, also be located at destination path Pt institute
Target vertical face on.Owing to electronic installation 120-b is positioned on destination path Pt and target vertical face,
So the distance between electronic installation 120-b and destination path Pt is zero, and electronic installation 120-b and mesh
Distance between mark vertical is also zero.Additionally, destination path Pt is at reference electronic device 120-a and electricity
Section between sub-device 120-b is also not exposed to other electronic installations.This represents to a certain extent
Between reference electronic device 120-a and electronic installation 120-b, and it is not affected by the stop of other electronic installations.
Therefore, for the aspect of Figure 27, when candidate's electronic installation is electronic installation 120-b, many
Media controls the judge module the tenth to the 14th embodiment at foregoing schemes 414 of device 128-c
In, all can judge the position of candidate electronic installation 120-b and target direction Dt relative position in space
Meet the second predetermined condition.
Compared to Figure 27, in the aspect of aforementioned Figure 22, destination path Pt is at reference electronic device 120-a
And the section between electronic installation 120-b, can be through the region of the display 127-n of electronic installation 120-n.
This represents between reference electronic device 120-a and electronic installation 120-b to a certain extent by electronic installation
The stop of 120-n.
Therefore, for the aspect of Figure 22, when candidate's electronic installation is electronic installation 120-b, many
Media controls the judge module the tenth to the 14th embodiment at foregoing schemes 414 of device 128-c
In, all can judge the position of candidate electronic installation 120-b and target direction Dt relative position in space
Do not meet the second predetermined condition.
If the position of candidate's electronic installation meets aforementioned with target direction Dt relative position in space
The second predetermined condition in any embodiment of ten to the 14th embodiments, represents candidate to a certain extent
Electronic installation is positioned at the error tolerance near the destination path Pt pointed by target direction Dt,
And do not stopped by other electronic installations between candidate's electronic installation and reference electronic device 120-a.Cause
This, when multimedia interactive system 100 to manufacture only at candidate's electronic installation and reference electronic device 120-a
Between not do not stopped by other electronic installations in the case of, target image object could origin source electronics dress
Put 120-c to be transmitted to reference electronic device 120-a, rebound the multimedia interaction effect to candidate's electronic installation again
Time, use the second predetermined condition setting means in the tenth to the 14th embodiment of foregoing schemes 414,
Just can avoid being stopped by other electronic installations between candidate's electronic installation and reference electronic device 120-a,
Candidate's electronic installation the most still can receive the undesirable situation of target image object and occur.
In the 15th embodiment of flow process 414, aforesaid second predetermined condition refers to, aforesaid first
Form one the 3rd angle between direction and aforesaid second direction, and aforesaid first angle is less than the 3rd angle
Half.
In the 16th embodiment of flow process 414, aforesaid second predetermined condition refers to, aforesaid second
Space is cut into one first space, side by place, direction and one second vertical (not illustrating) perpendicular to the ground
With one second space, side, target direction Dt points to the first space, side, and candidate's electronic installation is positioned at the first side
In space.
In the aspect of Figure 28, when candidate's electronic installation is electronic installation 120-b, multimedia interaction control
The judge module of device 128-c processed can select another close to the electronic installation 120-n work of destination path Pt
It it is the 3rd electronic installation.Now, first direction be equally with centre of form Ca of display 127-a as starting point,
And the direction D1 of centre of form Cb of sensing display 127-b, the first angle is direction D1 and mesh the most equally
Included angle A 1 between mark direction Dt.Second direction be with centre of form Ca of display 127-a as starting point and
Pointing to the direction D2 of centre of form Cn of display 127-n, the 3rd angle is then direction D1 and direction D2
Between included angle A 3.If included angle A 1 is less than the half of included angle A 3, represent candidate's electricity to a certain extent
The position of sub-device 120-b than the 3rd electronic installation 120-n closer to the target pointed by target direction Dt
Path P t.Additionally, D2 place, direction and one second vertical (not illustrating) perpendicular to the ground are by space
Cut into one first side space S R and one second side space S L.As shown in figure 28, target direction Dt refers to
To the first side space S R, and electronic installation 120-b is positioned at the first side space S R.Therefore, multimedia
The judge module of interactive control device 128-c is in the 15th and 16 embodiments of foregoing schemes 414, all
Can judge that the position of candidate electronic installation 120-b meets with target direction Dt relative position in space
Two predetermined conditions.
When multimedia interactive system 100 to manufacture only position closest to the target pointed by target direction Dt
One single candidate's electronic installation of path P t, just can receive the mesh that source electronic installation 120-c is transmitted
When mark image object or the multimedia interaction effect of target instruction target word, use foregoing schemes 414 the 15th or
The second predetermined condition setting means in 16th embodiment, just can avoid source electronic installation 120-c to be passed
The target image object sent or target instruction target word, the undesirable situation received by multiple candidate's electronic installations is sent out
Raw.
In the 17th embodiment of flow process 414, aforesaid second predetermined condition refers to, reference electronic fills
Put a pointing direction Da (the hereinafter referred to as benchmark pointing direction Da) place of 120-a and perpendicular to the ground
One reference vehicular face (not illustrating), with the position of reference electronic device 120-a for axle toward benchmark pointing direction
Da both sides respectively rotate one first visual angle VA1 can define an aspect region, and this reference vehicular face will
This aspect region cuts into one first half side space and one second half side space, and target direction Dt points to
First half side space, and candidate's electronic installation is positioned at the first half side space.
In the 18th embodiment of flow process 414, aforesaid second predetermined condition refers to, benchmark sensing side
To forming one the 4th angle, aforesaid first direction and benchmark pointing direction Da between Da and target direction Dt
Between form one the 5th angle, and the 4th angle and the 5th angle be smaller than the first visual angle VA1.
In the aspect of Figure 29, the reference vehicular face (not illustrating) at benchmark pointing direction Da place, with benchmark
The position (being the position of centre of form Ca of display 127-a in this example) of electronic installation 120-a is that axle is toward benchmark
Pointing direction Da both sides respectively rotate the first visual angle VA1, can define by right half side SPACE V R and a left side half side
The aspect region that SPACE V L is formed.Centre of form Cb of display 127-b is positioned at right half side space
In VR, represent electronic installation 120-b and be positioned at right half side SPACE V R.As shown in figure 29, target direction
Dt points to right half side SPACE V R.4th angle is the folder between benchmark pointing direction Da and target direction Dt
Angle A4.When included angle A 4 is less than the first visual angle VA1, represents target direction Dt and point to reference electronic device
In the aspect region of 120-a.
For the aspect of Figure 29, when candidate's electronic installation is electronic installation 120-b, first direction
It is with centre of form Ca of display 127-a as starting point equally and points to centre of form Cb of display 127-b
Direction D1, the 5th angle is then the included angle A 5 between direction D1 and benchmark pointing direction Da.Due to
Included angle A 4 and included angle A 5 both less than the first visual angle VA1, therefore multimedia interaction controls sentencing of device 128-c
Disconnected module, in the 17th and 18 embodiments of foregoing schemes 414, all can judge candidate's electronic installation
The position of 120-b meets the second predetermined condition with target direction Dt relative position in space.
As shown in figure 29, centre of form Cn of display 127-n is positioned at outside aspect region, represents electronics
Device 120-n is positioned at outside aspect region.
For the aspect of Figure 29, when candidate's electronic installation is electronic installation 120-n, first direction
It is with centre of form Ca of display 127-a as starting point and points to the direction of centre of form Cn of display 127-n
D2, the 5th angle is then the included angle A 5 ' between direction D2 and benchmark pointing direction Da.Such as Figure 29
Shown in, included angle A 5 ', more than the first visual angle VA1, represents electronic installation 120-n and is positioned at outside aspect region,
Therefore multimedia interaction controls the judge module the 17th and 18 enforcements at foregoing schemes 414 of device 128-c
In example, all can judge position and the target direction Dt phase para-position in space of candidate electronic installation 120-n
Put and do not meet the second predetermined condition.
Only it is positioned at reference electronic device at candidate's electronic installation when multimedia interactive system 100 to manufacture
In the case of in the aspect region of 120-a, candidate's electronic installation just can receive source electronic installation
During the multimedia interaction effect of target image object that 120-c is transmitted or target instruction target word, use the aforementioned tenth
Seven or the 18th the second predetermined condition setting means in embodiment, just can avoid the electronic installation 120-c that originates
The target image object transmitted or target instruction target word, be positioned at the aspect district of reference electronic device 120-a
The undesirable situation that other electronic installations outside territory receive occurs.
In the 19th embodiment of flow process 414, aforesaid second predetermined condition refers to, one first negative side
One the 6th angle, aforementioned 4th angle and front is formed between candidate's pointing direction of candidate's electronic installation
State the 5th angle and be less than aforementioned first visual angle VA1, and the 6th angle is less than one second visual angle VA2, its
In this first opposite direction with the position of candidate's electronic installation as starting point, and point to reference electronic device 120-a
Position.
In the 20th embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronics fills
The candidate's pointing direction place put and candidate's vertical (not illustrating) perpendicular to the ground, with candidate's electronics
The position of device is that axle respectively rotates the second visual angle VA2 toward these candidate's pointing direction both sides and can define one second
Space, candidate visual angle, reference electronic device 120-a is positioned in the second space, candidate visual angle, target direction Dt
Point to aforesaid first half side space, and candidate's electronic installation is positioned at aforesaid first half side space.
When the 5th angle is less than the first visual angle VA1, represents candidate's electronic installation and be positioned at reference electronic device
In the aspect region of 120-a.When the 6th angle is less than the second visual angle VA2, represent reference electronic
Device 120-a is positioned at the second space, candidate visual angle of candidate's electronic installation.
In the aspect of Figure 30, the reference vehicular face (not illustrating) at benchmark pointing direction Da place, with benchmark
The position (being the position of centre of form Ca of display 127-a in this example) of electronic installation 120-a is that axle is toward benchmark
Pointing direction Da both sides respectively rotate the first visual angle VA1, can define equally by right half side SPACE V R and a left side
The aspect region that half side SPACE V L is formed.Centre of form Cb of display 127-b is positioned at right half lateral areas
In the VR of territory, represent electronic installation 120-b and be positioned at right half side SPACE V R.As shown in figure 30, target side
Right half side SPACE V R is pointed to Dt.4th angle is between benchmark pointing direction Da and target direction Dt
Included angle A 4.When included angle A 4 is less than the first visual angle VA1, represents target direction Dt and point to reference electronic dress
Put in the aspect region of 120-a.When candidate's electronic installation is electronic installation 120-b, first direction
It is with centre of form Ca of display 127-a as starting point equally and points to centre of form Cb of display 127-b
Direction D1.5th angle is the included angle A 5 between direction D1 and benchmark pointing direction Da.Multimedia is mutual
Direction D1 can be moved to the position of candidate electronic installation 120-b by the judge module of dynamic control device 128-c
Putting (in this example for the position of centre of form Cb) is starting point, and direction D1 turns over turnback, to define
First opposite direction D1 '.6th angle is then the first opposite direction D1 ' and candidate's sensing of electronic installation 120-b
Included angle A 6 between the Db of direction.The candidate at the candidate pointing direction Db place of candidate electronic installation 120-b
Vertical (does not illustrates), with the position of candidate electronic installation 120-b (in this example for the shape of display 127-b
The position of heart Cb) it is axle, respectively rotate the second visual angle VA2 toward candidate pointing direction Db both sides, can define
Go out one second space, candidate visual angle.As shown in figure 30, owing to included angle A 5 is less than the first visual angle VA1, and
Included angle A 6 is less than the second visual angle VA2, therefore multimedia interaction controls the judge module of device 128-c aforementioned
In 19th and the 20th embodiment of flow process 414, all can judge the position of candidate electronic installation 120-b
The second predetermined condition is met with target direction Dt relative position in space.In flow process 414 the 19th
In embodiment, the 5th angle is constrained to be less than the first visual angle VA1, and is constrained to the 6th angle want
Less than the mode of the second visual angle VA2, it is used to limit reference electronic device 120-a and candidate's electronic installation
Both 120-b relative position in space, it is necessary to belong to or close to aspectant aspect, source electronics dress
Put 120-c and target instruction target word could be sent to candidate electronic installation 120-b, to avoid strange use
Person's experience.
In implementation, aforesaid first visual angle VA1 can be identical with the second visual angle VA2, it is also possible to
Two visual angle VA2 are different.
When multimedia interactive system 100 to manufacture only at reference electronic device 120-a and candidate's electronic installation
Both belong to or in the case of the aspect of approaching face opposite relative position in space, and candidate's electronic installation is
The multimedia that can receive the source target image object that transmitted of electronic installation 120-c or target instruction target word is mutual
During dynamic effect, the second predetermined condition in the 19th or the 20th embodiment of foregoing schemes 414 is used to set
Determine mode, just can avoid candidate's electronic installation reference electronic device 120-a dorsad, but still can receive arrival
Target image object or the undesirable situation of target instruction target word that source electronic installation 120-c transmits occur.The opposing party
Face, uses the second predetermined condition setting means in the 19th or the 20th embodiment of foregoing schemes 414,
Also can avoid reference electronic device 120-a candidate's electronic installation dorsad, candidate's electronic installation but or can receive
The target image object transmitted to source electronic installation 120-c or the undesirable situation of target instruction target word occur.
In implementation, multimedia interaction controls the judge module of device 128-c also can be according to candidate's electronic installation
Two-dimensional position, judges whether candidate's electronic installation meets with target direction Dt relative position in space
The second predetermined condition alleged by foregoing schemes 414.As it was previously stated, multimedia interactive system 100 may utilize
Position detecting circuit 110, detects respective electronic device 120-a～120-n parallel to the ground same
Indivedual projected positions, the shape of view field and directivity in reference level surface.Multimedia interaction system
System 100 may utilize the particular geometric feature of electronic installation 120, special sign, particular element or specific
Region projected position in reference level surface, represents electronic installation 120 position in space.
Hereinafter collocation Figure 31～39 further illustrates source electronic installation 120-c according to candidate's electronic installation
Two-dimensional position, judge whether candidate's electronic installation accords with target direction Dt relative position in space
The function mode of the conjunction the second predetermined condition alleged by foregoing schemes 414.
Figure 31～39 is that the user instruction source electronic installation 120-c of source electronic installation 120-c is by mesh
Mark image object 500 towards preferential direction Ds transmits time, part electronics in multimedia interactive system 100 fills
The different aspects of the relative position putting projection in same reference level surface simplify after schematic diagram.At figure
In 31～39, electronic installation 120-a view field in reference level surface is 120-ap, display 127-a
In reference level surface be projected as view field 127-ap, display 127-a centre of form Ca with reference to water
Projected position in plane is Cap.Electronic installation 120-b is projected as view field in reference level surface
120-bp, display 127-b are projected as view field 127-bp, display 127-b in reference level surface
Centre of form Cb projected position in reference level surface be Cbp.Electronic installation 120-c is in reference level surface
On view field be 120-cp, display 127-c in reference level surface, be projected as view field
127-cp, the centre of form Cc projected position in reference level surface of display 127-c are Ccp.Electronics fills
Put 120-n and be projected as view field 120-np, display 127-n at reference levels in reference level surface
The centre of form Cn throwing in reference level surface being projected as view field 127-np, display 127-n on face
Shadow position is Cnp.Target direction Dt is projected as target projection direction Dtp in reference level surface.
For convenience of description, it is assumed hereinafter that multimedia interactive system 100 utilizes display 127
Centre of form projected position in reference level surface, represents the electronic installation 120 throwing in reference level surface
Shadow position.
In the 21st embodiment of flow process 414, aforesaid second predetermined condition refers to, candidate's electronics
Device projected position (hereinafter referred to as candidate's projected position) in reference level surface parallel to the ground, is positioned at
The target direction Dt target projection path pointed by a target projection direction Dtp in reference level surface
On Ptp.
In the 22nd embodiment of flow process 414, aforesaid second predetermined condition refers to, aforementioned candidates
Distance between projected position and target projection path P tp is less than the first predetermined value R1.
In the 23rd embodiment of flow process 414, aforesaid second predetermined condition refers to, target projection
Path P tp passes the display of a candidate's electronic installation display view field in reference level surface.
In the aspect of Figure 31, target direction Dt target projection direction Dtp institute in reference level surface
Target projection path P tp pointed to, through the throwing in reference level surface of centre of form Cb of display 127-b
Shadow position Cbp, represents electronic installation 120-b projected position Cbp in reference level surface and is positioned at target
In projection path Ptp.Owing to the projected position Cbp of electronic installation 120-b is positioned at target projection path P tp
On, so the distance between the projected position Cbp of electronic installation 120-b and target projection path P tp is zero.
As shown in figure 31, target projection path P tp is through the view field 127-np of display 127-n, but does not has
There is the projected position Cnp in reference level surface of centre of form Cn through display 127-n, represent electronics dress
Put the projected position Cnp of 120-n not in target projection path P tp.
Therefore, for the aspect of Figure 31, when candidate's electronic installation is electronic installation 120-b, many
Media controls the judge module the 21st to the 23rd reality at foregoing schemes 414 of device 128-c
Execute in example, all can judge the position of electronic installation 120-b and target direction Dt relative position in space
Meet the second predetermined condition.When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls
The judge module of device 128-c, in the 23rd embodiment of foregoing schemes 414, can judge electronic installation
The position of 120-n meets the second predetermined condition with target direction Dt relative position in space, but front
State in the 21st embodiment of flow process 414, then can judge position and the mesh of candidate electronic installation 120-n
Mark direction Dt relative position in space does not meets the second predetermined condition.
In the aspect of Figure 32, target projection path P tp pointed by the Dtp of target projection direction is through aobvious
Show the view field 127-bp of device 127-b, but not through the projection position of centre of form Cb of display 127-b
Put Cbp, represent the projected position Cbp of electronic installation 120-b not in target projection path P tp.
Distance between projected position Cbp and target projection path P tp of centre of form Cb is G1p, represents electronics dress
Putting the distance between the projected position Cbp of 120-b and target projection path P tp is G1p.Additionally, target
Projection path Ptp passes the view field 127-np of display 127-n, but not through display 127-n
The projected position Cnp of centre of form Cn, represent the projected position Cnp of electronic installation 120-n not at mesh
In mark projection path Ptp.As shown in figure 32, the projected position Cbp of centre of form Cb of display 127-b
And distance G1p between target projection path P tp is less than the first predetermined value R1, but display 127-n
Distance between projected position Cnp and target projection path P tp of centre of form Cn, the most significantly greater than first is pre-
Definite value R1.
Therefore, for the aspect of Figure 32, when candidate's electronic installation is electronic installation 120-b, many
Media controls the judge module the 22nd and the 23rd reality at foregoing schemes 414 of device 128-c
Execute in example, all can judge the position of electronic installation 120-b and target direction Dt relative position in space
Meet the second predetermined condition, but in the 21st embodiment of foregoing schemes 414, then can judge candidate
The position of electronic installation 120-b does not meets the second predetermined bar with target direction Dt relative position in space
Part.When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls the judgement of device 128-c
Module, in the 21st and the 22nd embodiment of foregoing schemes 414, all can judge that candidate's electronics fills
The position putting 120-n does not meets the second predetermined condition with target direction Dt relative position in space, but
In the 23rd embodiment of foregoing schemes 414, then can judge the position of candidate electronic installation 120-n
The second predetermined condition is met with target direction Dt relative position in space.
In the 24th embodiment of flow process 414, aforesaid second predetermined condition refers to, target projection
Direction Dtp points to target projection path P tp and a belt-like zone S1p, and aforesaid candidate's projected position is positioned at
In belt-like zone S1p, wherein belt-like zone S1p line and width centered by target projection path P tp
It it is the twice of the first predetermined value R1.
In the aspect of Figure 32, the projected position Cbp of centre of form Cb of display 127-b is positioned at target and throws
In belt-like zone S1p pointed by the Dtp of shadow direction, represent the projected position Cbp of electronic installation 120-b
It is positioned at belt-like zone S1p.The projected position Cnp of centre of form Cn of display 127-n is positioned at belt-like zone
Outside S1p, represent the projected position Cnp of electronic installation 120-n not in belt-like zone S1p.
Therefore, for the aspect of Figure 32, when candidate's electronic installation is electronic installation 120-b, many
Media control device 128-c judge module in the 24th embodiment of foregoing schemes 414, meeting
Judge that the position of candidate electronic installation 120-b meets second with target direction Dt relative position in space
Predetermined condition.When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls device 128-c
Judge module in the 24th embodiment of foregoing schemes 414, candidate electronic installation 120-n can be judged
Position do not meet the second predetermined condition with target direction Dt relative position in space.
In the 25th embodiment of flow process 414, aforesaid second predetermined condition refers to, target projection
Direction Dtp points to a delta-shaped region S2p, and aforesaid candidate's projected position is positioned at delta-shaped region S2p
In, wherein delta-shaped region S2p centered by target projection path P tp line, with reference electronic device 120-a
Projected position (hereinafter referred to as reference projection position) Cap in reference level surface is summit and drift angle is sharp
Angle.
In the aspect of Figure 33, the projected position Cbp of centre of form Cb of display 127-b is positioned at triangle
In the S2p of region, the projected position representing electronic installation 120-b is positioned at delta-shaped region S2p.Display
The projected position Cnp of centre of form Cn of device 127-n is positioned at outside delta-shaped region S2p, represents electronic installation
The projected position of 120-n is not in delta-shaped region S2p.
Therefore, for the aspect of Figure 33, when candidate's electronic installation is electronic installation 120-b, many
Media control device 128-c judge module in the 25th embodiment of foregoing schemes 414, meeting
Judge that the position of candidate electronic installation 120-b meets second with target direction Dt relative position in space
Predetermined condition.When candidate's electronic installation is electronic installation 120-n, multimedia interaction controls device 128-c
Judge module in the 25th embodiment of foregoing schemes 414, candidate electronic installation 120-n can be judged
Position do not meet the second predetermined condition with target direction Dt relative position in space.
In the 26th embodiment of flow process 414, aforesaid second predetermined condition refers to, target projection
The 11st angle between direction Dtp and one first projecting direction is acute angle and is less than a critical angle
Ath, wherein this first projecting direction is with this reference projection position Cap as starting point, and this first projecting direction
Point to aforesaid candidate's projected position.
In the aspect of Figure 34, when candidate's electronic installation is electronic installation 120-b, the first projecting direction
It is that the projected position Cap of centre of form Ca with display 127-a as starting point and points to display 127-b
The projecting direction D1p of the projected position Cbp of centre of form Cb, the 11st angle is then projecting direction D1p
And included angle A 1p between the Dtp of target projection direction.Included angle A 1p is the least, represents time to a certain extent
The projected position Cbp selecting electronic installation 120-b throws closer to the target pointed by the Dtp of target projection direction
Shadow path P tp.Therefore, if included angle A 1p is acute angle and is less than critical angle Ath, then multimedia interaction
The judge module of control device 128-c, in the 26th embodiment of foregoing schemes 414, can judge electronics
The position of device 120-b meets the second predetermined condition with target direction Dt relative position in space.Instead
It, if included angle A 1p is more than critical angle Ath, then multimedia interaction controls the judge module of device 128-c
In the 26th embodiment of foregoing schemes 414, can judge candidate electronic installation 120-b position and
Target direction Dt relative position in space does not meets the second predetermined condition.
In the aspect of Figure 34, when candidate's electronic installation is electronic installation 120-n, the first projecting direction
It is that the projected position Cap of centre of form Ca with display 127-a as starting point and points to display 127-n
The projecting direction D2p of the projected position Cnp of centre of form Cn, the 11st angle is then projecting direction D2p
And included angle A 2p between the Dtp of target projection direction.Included angle A 2p is the least, represents time to a certain extent
The projected position Cnp selecting electronic installation 120-n throws closer to the target pointed by the Dtp of target projection direction
Shadow path P tp.Therefore, if included angle A 2p is acute angle and is less than critical angle Ath, then multimedia interaction
The judge module of control device 128-c, in the 26th embodiment of foregoing schemes 414, can judge electronics
The position of device 120-n meets the second predetermined condition with target direction Dt relative position in space.Instead
It, if included angle A 2p is more than critical angle Ath, then multimedia interaction controls the judge module of device 128-c
In the 26th embodiment of foregoing schemes 414, can judge candidate electronic installation 120-n position and
Target direction Dt relative position in space does not meets the second predetermined condition.
If the position of candidate's electronic installation meets aforementioned with target direction Dt relative position in space
The second predetermined condition in any embodiment of 21 to the 26th embodiments, generation to a certain extent
Table candidate's electronic installation is positioned at the error tolerance model near the destination path Pt pointed by target direction Dt
In enclosing.Therefore, manufacturing objective image object is wanted to be origin source electronic installation when multimedia interactive system 100
120-c is transmitted to reference electronic device 120-a, then rebound to candidate's electronic installation multimedia interaction effect time,
Use the second predetermined condition setting means in the 21st to the 26th embodiment of foregoing schemes 414,
The hypertelorism between the destination path Pt pointed by candidate's electronic installation and target direction Dt can be avoided,
The most still the undesirable situation that can receive target image object occurs.
It addition, work as the multimedia interaction application that multimedia interactive system 100 is carried out, candidate's electronics is filled
When putting relatively low with the judgement precise requirements of target direction Dt relative position in space, can be by aforesaid
First predetermined value R1 or critical angle Ath are relaxed.Otherwise, when multimedia interaction is applied for candidate's electronics
When the judgement precise requirements of device and target direction Dt relative position in space is higher, can be by aforementioned
The first predetermined value R1 or critical angle Ath reduce or use the 21st embodiment second make a reservation for
Condition setting mode.
In the 27th embodiment of flow process 414, aforesaid second predetermined condition refers to, target projection
The 12nd angle between direction Dtp and one second projecting direction is acute angle and aforesaid 11st folder
Angle is less than the 12nd angle, and wherein this second projecting direction is with reference projection position Cap as starting point, and
Point to the projected position in this reference level surface of one the 3rd electronic installation in multimedia interactive system 100
(the hereinafter referred to as the 3rd projected position).
In the aspect of Figure 35, when candidate's electronic installation is electronic installation 120-b, multimedia interaction control
The judge module of device 128-c processed can select another projected position close to the electronics of target projection path P tp
Device 120-n is as the 3rd electronic installation.Now, the first projecting direction is the projection with centre of form Ca equally
Position Cap is the projecting direction D1p of starting point and the projected position Cbp pointing to centre of form Cb, and the tenth
One angle is included angle A 1p between projecting direction D1p and target projection direction Dtp the most equally.Second throws
Shadow direction is that the projected position Cap of centre of form Ca with display 127-a as starting point and points to display
The projecting direction D2p of the projected position Cnp of centre of form Cn of 127-n, the 12nd angle is then projection side
Included angle A 2p between D2p and target projection direction Dtp.Included angle A 2p is the least, to a certain extent
Represent the projected position Cnp of the 3rd electronic installation 120-n closer to target projection path P tp.At Figure 35
Aspect in, owing to included angle A 1p is acute angle and less than included angle A 2p, the most i.e. represent time
Select the projected position Cbp of electronic installation 120-b than the 3rd electronic installation 120-n projected position Cnp more
Close to target projection path P tp.Therefore, multimedia interaction controls the judge module of device 128-c aforementioned
In 27th embodiment of flow process 414, position and the target side of candidate electronic installation 120-b can be judged
The second predetermined condition is met to Dt relative position in space.
In the aspect of Figure 35, when candidate's electronic installation is electronic installation 120-n, multimedia interaction control
The judge module of device 128-c processed can select another projected position close to the electronics of target projection path P tp
Device 120-b is as the 3rd electronic installation.Now, the first projecting direction is the projected position with centre of form Ca
Cap is the projecting direction D2p of starting point and the projected position Cnp pointing to centre of form Cn, and the 11st angle
It it is then included angle A 2p between projecting direction D2p and target projection direction Dtp.Second projecting direction be with
The projected position Cap of centre of form Ca is the projecting direction of starting point and the projected position Cbp pointing to centre of form Cb
D1p, the 12nd angle is then included angle A 1p between projecting direction D1p and target projection direction Dtp.
In the aspect of Figure 35, owing to included angle A 2p is more than included angle A 1p, the most i.e. represent the 3rd electricity
The position of sub-device 120-b than candidate electronic installation 120-n closer to target projection path P tp.Therefore,
Multimedia interaction control device 128-c judge module in the 27th embodiment of foregoing schemes 414,
Can judge that the position of candidate electronic installation 120-n does not meets with target direction Dt relative position in space
Second predetermined condition.
When multimedia interactive system 100 to manufacture only projected position closest to target projection path P tp
One single candidate's electronic installation, just can receive the target image object that source electronic installation 120-c is transmitted
Or during the multimedia interaction effect of target instruction target word, use second predetermined article in aforementioned 27th embodiment
Part setting means, just can avoid originating the target image object that transmitted of electronic installation 120-c or target refers to
Order, the undesirable situation received by multiple candidate's electronic installations occurs.
In the 28th embodiment of flow process 414, aforesaid second predetermined condition refers to, reference electronic
Device 120-a is projected as a reference projection region 120-ap, candidate's electronic installation in this reference level surface
Being projected as a candidate view field in this reference level surface, aforesaid candidate's projected position is positioned at this mesh
In mark projection path Ptp, and target projection path P tp projects with candidate at reference projection region 120-ap
Section between region, will not touch other electronic installations in multimedia interactive system 100 in this ginseng
Examine the projection on horizontal plane.
In the 29th embodiment of flow process 414, aforesaid second predetermined condition refers to, aforesaid time
The distance between projected position and target projection path P tp is selected to be less than the first predetermined value R1, and target projection
Path P tp section between reference projection region 120-ap and candidate view field, will not touch many
The projection in this reference level surface of other electronic installations in interactive system for media 100.
In the 30th embodiment of flow process 414, aforesaid second predetermined condition refers to, target projection road
Footpath Ptp passes the display of a candidate's electronic installation display view field in this reference level surface,
And the section that target projection path P tp is between reference projection region 120-ap and candidate view field, no
The projection in this reference level surface of other electronic installations in multimedia interactive system 100 can be touched.
In the aspect of Figure 36, electronic installation 120-b is projected as view field in this reference level surface
120-bp.Target projection path P tp is through the projected position Cbp of centre of form Cb of display 127-b, generation
The projected position Cbp of table electronic installation 120-b is positioned in target projection path P tp, so electronic installation
Distance between projected position Cbp and target projection path P tp of 120-b is zero.Additionally, target projection
Path P tp is between the view field 120-bp of reference projection region 120-ap and electronic installation 120-b
Section, is also not exposed to the projection of other electronic installations.This represents reference electronic dress to a certain extent
Put between 120-a and electronic installation 120-b and be not affected by the stop of other electronic installations.
Therefore, for the aspect of Figure 36, when candidate's electronic installation is electronic installation 120-b, many
Media controls the judge module the 28th to the 30th enforcement at foregoing schemes 414 of device 128-c
In example, all can judge position and the target direction Dt phase para-position in space of candidate electronic installation 120-b
Put and meet the second predetermined condition.
Compared to Figure 36, in the aspect of aforementioned Figure 31, target projection path P tp is in reference projection region
Section between the view field 120-bp of 120-ap and electronic installation 120-b, can pass electronic installation
The view field 127-np of the display 127-n of 120-n.This represents reference electronic device to a certain extent
Stopped by electronic installation 120-n between 120-a and electronic installation 120-b.
Therefore, for the aspect of Figure 31, when candidate's electronic installation is electronic installation 120-b, many
Media controls the judge module the 28th to the 30th enforcement at foregoing schemes 414 of device 128-c
In example, all can judge position and the target direction Dt phase para-position in space of candidate electronic installation 120-b
Put and do not meet the second predetermined condition.
If the position of candidate's electronic installation meets aforementioned with target direction Dt relative position in space
The second predetermined condition in any embodiment of 28 to the 30th embodiments, represents to a certain extent
The projected position of candidate's electronic installation, is positioned at target projection path P tp pointed by the Dtp of target projection direction
In a neighbouring error tolerance, and it is not subject between candidate's electronic installation and reference electronic device 120-a
Stop to other electronic installations.Therefore, to manufacture only at candidate's electricity when multimedia interactive system 100
In the case of not stopped by other electronic installations between sub-device and reference electronic device 120-a, target
When image object ability origin source electronic installation 120-c is transmitted to the multimedia interaction effect of candidate's electronic installation,
Use the second predetermined condition setting means in the 28th to the 30th embodiment of foregoing schemes 414,
Just can avoid being stopped by other electronic installations between candidate's electronic installation and reference electronic device 120-a,
Candidate's electronic installation the most still can receive the undesirable situation of target image object and occur.
In the 31st embodiment of flow process 414, aforesaid second predetermined condition refers to, aforesaid
Form 1 the 13rd angle between one projecting direction and the second projecting direction, and aforementioned 11st angle is less than the
The half of 13 angles.
In the 32nd embodiment of flow process 414, aforesaid second predetermined condition refers to, aforesaid
This reference level surface is cut into one first side region and with reference to straight line by the one second of two projecting direction places
Second side region, target projection direction Dtp points to the first side region, and the projection position of candidate's electronic installation
Setting in the first side region.
In the aspect of Figure 37, when candidate's electronic installation is electronic installation 120-b, multimedia interaction control
The judge module of device 128-c processed can select another projected position close to the electronics of target projection path P tp
Device 120-n is as the 3rd electronic installation.Now, the first projecting direction is the projection with centre of form Ca equally
Position Cap is the projecting direction D1p of starting point and the projected position Cbp pointing to centre of form Cb, and the tenth
One angle is included angle A 1p between projecting direction D1p and target projection direction Dtp the most equally.Second throws
Shadow direction is with the projected position Cap of centre of form Ca as starting point and points to the projected position Cnp of centre of form Cn
Projecting direction D2p, the 13rd angle is then the folder between projecting direction D1p and projecting direction D2p
Angle A3p.If included angle A 1p is less than the half of included angle A 3p, represent candidate's electronic installation to a certain extent
The projected position Cbp of 120-b than the projected position Cnp of the 3rd electronic installation 120-n closer to target projection
Path P tp.Additionally, second with reference to the reference straight line L2p that straight line is projecting direction D2p place.With reference to straight
Reference level surface is cut into one first side region SRp and one second side region SLp by line L2p.Such as Figure 37
Shown in, target projection direction Dtp points to the first side region SRp, and the projected position of electronic installation 120-b
Cbp is positioned at the first side region SRp.Therefore, multimedia interaction controls the judge module of device 128-c
In the 31st and the 32nd embodiment of foregoing schemes 414, all can judge candidate's electronic installation
The position of 120-b meets the second predetermined condition with target direction Dt relative position in space.
When multimedia interactive system 100 to manufacture only projected position closest to target projection direction Dtp institute
One single candidate's electronic installation of target projection path P tp pointed to, just can receive source electronic installation
During the multimedia interaction effect of target image object that 120-c is transmitted or target instruction target word, use foregoing schemes
The second predetermined condition setting means in 31st or the 32nd embodiment of 414, just can avoid source
Target image object that electronic installation 120-c is transmitted or target instruction target word, received by multiple candidate's electronic installations
The undesirable situation arrived occurs.
In the 33rd embodiment of flow process 414, aforesaid second predetermined condition refers to, reference electronic
(hereinafter referred to as benchmark refers to the benchmark pointing direction Da of device 120-a projecting direction in this reference level surface
To projecting direction) Dap, points to projecting direction Dap both sides for axle toward benchmark with reference projection position Cap each
Rotating the first visual angle VA1 and can define an aspect region, benchmark points to projecting direction Dap by target
Field of view cuts into one the first half side region and one the second half side region, and target projection direction Dtp points to
This first half side region, and aforesaid candidate's projected position is positioned at this first half side region.
In the 34th embodiment of flow process 414, aforesaid second predetermined condition refers to, benchmark points to
The 14th angle, aforesaid first projection side is formed between projecting direction Dap and target projection direction Dtp
Point to benchmark and between projecting direction Dap, form 1 the 15th angle, and the 14th angle and the tenth
Five angles are smaller than the first visual angle VA1.
In the aspect of Figure 38, benchmark points to the projecting direction Dap projection with reference electronic device 120-a
Position (being the projected position Cap of centre of form Ca of display 127-a in this example) is that axle points to throwing toward benchmark
Dap both sides, shadow direction respectively rotate the first visual angle VA1, can define by right half side region VRp and a left side half side
The aspect region that region VLp is formed.The projected position Cbp of centre of form Cb of display 127-b
Being positioned at right half side region VRp, the projected position representing electronic installation 120-b is positioned at right half side region
VRp.As shown in figure 38, target projection direction Dtp points to right half side region VRp.14th angle is
Benchmark points to included angle A 4p between projecting direction Dap and target projection direction Dtp.Included angle A 4p is less than the
During one visual angle VA1, represent target projection direction Dtp and point to the aspect of reference electronic device 120-a
Region.
For the aspect of Figure 38, when candidate's electronic installation is electronic installation 120-b, the first projection
Direction is with the projected position Cap of centre of form Ca as starting point equally and points to the projected position Cbp of centre of form Cb
Projecting direction D1p, the 15th angle is then projecting direction D1p and benchmark points to projecting direction Dap
Between included angle A 5p.Owing to included angle A 4p and included angle A 5p are both less than the first visual angle VA1, therefore multimedia
The judge module of interactive control device 128-c is in the 33rd and the 34th embodiment of foregoing schemes 414
In, all can judge the position of candidate electronic installation 120-b and target direction Dt relative position in space
Meet the second predetermined condition.
As shown in figure 38, the projected position Cnp of centre of form Cn of display 127-n is positioned at aspect district
Overseas, the projected position representing electronic installation 120-n is positioned at outside aspect region.
For the aspect of Figure 38, when candidate's electronic installation is electronic installation 120-n, the first projection
Direction is with the projected position Cap of centre of form Ca as starting point and points to the projected position Cnp of centre of form Cn
Projecting direction D2p, the 15th angle be then projecting direction D2p with benchmark point to projecting direction Dap it
Between included angle A 5p '.Due to included angle A 5p ' more than the first visual angle VA1, and the projection of electronic installation 120-n
Position is positioned at outside aspect region, therefore multimedia interaction controls the judge module of device 128-c at aforementioned stream
In 33rd and the 34th embodiment of journey 414, all can judge the position of candidate electronic installation 120-n
Put and do not meet the second predetermined condition with target direction Dt relative position in space.
It is positioned at benchmark when multimedia interactive system 100 to manufacture only projected position at candidate's electronic installation
In the case of in the aspect region of electronic installation 120-a, candidate's electronic installation just can receive source electricity
During the multimedia interaction effect of target image object that sub-device 120-c is transmitted or target instruction target word, before employing
State the second predetermined condition setting means in the 33rd and the 34th embodiment of flow process 414, just may be used
Avoiding originate the target image object that transmitted of electronic installation 120-c or target instruction target word, projected location is positioned at
The unexpected feelings that other electronic installations outside the aspect region of reference electronic device 120-a receive
Condition occurs.
In the 35th embodiment of flow process 414, aforesaid second predetermined condition refers to, one first is anti-
The candidate's pointing direction of projecting direction and candidate's electronic installation projecting direction in this reference level surface (with
Down be referred to as candidate point to projecting direction) between formed 1 the 16th angle, aforesaid 14th angle and the 15th
Angle is less than aforesaid first visual angle VA1, and the 16th angle is less than the second visual angle VA2, wherein should
First back projection direction is with aforesaid candidate's projected position as starting point, and points to aforesaid reference projection position
Cap。
In the 36th embodiment of flow process 414, aforesaid second predetermined condition refers to, this candidate refers to
To projecting direction with this candidate's projected position as axle, point to projecting direction both sides toward this candidate and respectively rotate second
Visual angle VA2 can define one second candidate's field of view, aforesaid reference projection position Cap be positioned at this
In two candidate's field of view, target projection direction Dtp points to aforesaid the first half side region, and aforesaid
Candidate's projected position is positioned at aforesaid the first half side region.
When the 15th angle is less than the first visual angle VA1, represents candidate's electronic installation and be positioned at reference electronic dress
Put in the aspect region of 120-a.When the 16th angle is less than the second visual angle VA2, represent benchmark
Electronic installation 120-a is positioned at second candidate's field of view of candidate's electronic installation.
In the aspect of Figure 39, benchmark points to the projecting direction Dap projection with reference electronic device 120-a
Position (being the projected position Cap of centre of form Ca of display 127-a in this example) is that axle points to throwing toward benchmark
Dap both sides, shadow direction respectively rotate the first visual angle VA1, can define equally by right half side region VRp and a left side
The aspect region that half side region VLp is formed.The projected position of centre of form Cb of display 127-b
Cbp is positioned at right half side region VRp, and the projected position representing electronic installation 120-b is positioned at right half lateral areas
Territory VRp.As shown in figure 39, target projection direction Dtp points to right half side region VRp.14th angle
It it is included angle A 4p between benchmark sensing projecting direction Dap and target projection direction Dtp.Included angle A 4p is less than
During the first visual angle VA1, the target representing target projection direction Dtp sensing reference electronic device 120-a regards
Angular zone.When candidate's electronic installation is electronic installation 120-b, the first projecting direction is with the centre of form equally
The projected position Cap of Ca is the projecting direction D1p of starting point and the projected position Cbp pointing to centre of form Cb.
15th angle is included angle A 5p between projecting direction D1p and benchmark sensing projecting direction Dap.Many matchmakers
Projecting direction D1p can be moved to candidate's electronic installation by the judge module of body interactive control device 128-c
The projected position (in this example for the projected position Cbp of centre of form Cb) of 120-b is starting point, and by projecting direction
D1p turns over turnback, to define the first back projection direction D1p '.16th angle is then first counter to throw
The candidate of shadow direction D1p ' and candidate electronic installation 120-b points to included angle A 6p between projecting direction Dbp.
The candidate of candidate electronic installation 120-b points to projecting direction Dbp, with candidate projected position Cbp as axle,
Point to projecting direction Dbp both sides toward candidate and respectively rotate the second visual angle VA2, one second candidate can be defined and regard
Angular zone.As shown in figure 39, owing to included angle A 5p is less than the first visual angle VA1, and included angle A 6p is less than
Second visual angle VA2, therefore multimedia interaction controls the judge module of device 128-c at foregoing schemes 414
In 35th and the 36th embodiment, position and the target side of candidate electronic installation 120-b can be judged
The second predetermined condition is met to Dt relative position in space.
In the 35th embodiment of flow process 414, it is constrained to be less than the first visual angle by the 15th angle
VA1, and the 16th angle is constrained to be less than the mode of the second visual angle VA2, it is used to limit benchmark
Electronic installation 120-a and candidate electronic installation 120-b projection in reference level surface, it is necessary to belong to
Or close to aspectant aspect, target instruction target word could be sent to candidate's electronics dress by source electronic installation 120-c
Put 120-b, to avoid strange user experience.
In implementation, aforesaid first visual angle VA1 can be identical with the second visual angle VA2, it is also possible to
Two visual angle VA2 are different.
When multimedia interactive system 100 to manufacture only at reference electronic device 120-a and candidate's electronic installation
Both relative positions belong to or in the case of the aspect of approaching face opposite, candidate's electronic installation just can receive
During the multimedia interaction effect of the source target image object that transmitted of electronic installation 120-c or target instruction target word,
Use the second predetermined condition setting means in the 35th or the 36th embodiment of foregoing schemes 414,
Just can avoid candidate's electronic installation reference electronic device 120-a dorsad, but still can receive source electronics dress
Put target image object or the undesirable situation generation of target instruction target word that 120-c transmits.On the other hand, use
The second predetermined condition setting means in 35th or the 36th embodiment of foregoing schemes 414, also
Can avoid reference electronic device 120-a candidate's electronic installation dorsad, candidate's electronic installation but or can receive
Target image object or the undesirable situation of target instruction target word that source electronic installation 120-c transmits occur.
From preceding description, only at the three-dimensional of reference electronic device or two-dimensional position and preferential direction Ds
Between relative position meet the first predetermined condition and the three-dimensional of candidate's electronic installation or two-dimensional position and target
In the case of relative position between the Dt of direction meets the second predetermined condition, that is, originate electronic installation, base
Quasi-electronic installation meets when specifically requiring with candidate electronic installation three relative position in space,
The target instruction target word corresponding with target image object just can be sent to selected by source electronic installation 120-c
Candidate's electronic installation, makes candidate's electronic installation utilize corresponding display to carry out and mesh according to target instruction target word
The multimedia running that mark image object is corresponding.Therefore, mutual by the multimedia using earlier figures 3 and Fig. 4
Dynamic method, multimedia interactive system 100 can manufacturing objective image object be just origin source electronic installation 120-c
It is transmitted to reference electronic device 120-a, rebounds to the multimedia interaction effect of candidate's electronic installation the most again.
If other electronic installations in multimedia interactive system 100 are all unsatisfactory for this first predetermined condition
Requirement, source electronic installation 120-c would not select reference electronic device, also will not be by target instruction target word transmission
To other electronic installations.Other electronic installations the most just thus without performing this target instruction target word, thereby can be avoided
Other electronic installations carry out the multimedia running corresponding with target image object.If it addition, source electronics
Device 120-c have selected a reference electronic device from multiple candidate's electronic installations, but other candidate's electronics
Device is the most all unsatisfactory for the requirement of this second predetermined condition, then source electronic installation 120-c also will not be by target
Instruction sends other candidate's electronic installations to, to avoid other candidate's electronic installations to carry out and target image thing
The multimedia running that part is corresponding.
It is clear that use the multimedia interaction method in Fig. 3 and Fig. 4, it is effectively reduced source electronics
Occur departing from user's experience between device 120-c and other electronic installations, apply at multimedia interaction
Design in should not occur, violate the rule set by interactive application or unintended multimedia
Interactive result.
Additionally, utilize source electronic installation 120-c to judge, whether the position of other electronic installations and directivity
Meet the mode of aforementioned second predetermined condition, can effectively reduce the operand needed for other electronic installations, enter
And extend the service time of battery of other electronic installations.
In implementation, can be according to the design purpose of multimedia interaction application, by second in aforementioned different embodiments
The content of predetermined condition carries out various combination, makes multimedia interactive system 100 exist for different electronic installations
Can there be more powerful judgement relative position in space, to provide use more rich, more diversified
Person's experience.Such as, can be by second predetermined article in the 19th or the 20th embodiment of foregoing schemes 414
Part content, with the first to the 18th embodiment of flow process 414 any one in the second predetermined condition content
It is combined into the second new predetermined condition, it is possible to by the 35th or the 36th enforcement of foregoing schemes 414
The second predetermined condition content in example, arbitrary with the 21st to the 34th embodiment of flow process 414
The second predetermined condition content in person is combined into the second new predetermined condition.Also can be by foregoing schemes 414
The second predetermined condition content in 17th or the 18th embodiment, with the first to the 16th of flow process 414
The second predetermined condition content in any one of embodiment is combined into the second new predetermined condition.Also can be by front
State the second predetermined condition content in the 33rd or the 34th embodiment of flow process 414, with flow process 414
The the 21st to the 32nd embodiment any one in the second predetermined condition content be combined into new
Two predetermined conditions.
Multimedia interactive system 100 can dynamically specify one of them of electronic installation 120-a～120-n to make
It is a forwarding electronic device (forwarding electronic device).Forwarding electronic device is intended for many
Instruction transmission medium between individual electronic installation 120-a～120-n so that electronic installation 120-a～120-n that
Multimedia interaction can be transmitted by forwarding electronic device around here to instruct, without the central authorities' clothes via a distant place
Business device (not illustrating) carries out the transmission of multimedia interaction instruction, thereby promotes electronic installation 120-a～120-n
Between multimedia interaction instruction transmission efficiency and speed.Forwarding electronic device can be used as electronics dress simultaneously
Put the transmission medium of the position between 120-a～120-n and directional information.
Such as, in the embodiment of earlier figures 3 and Fig. 4, if multimedia interactive system 100 specifies certain
One electronic installation is as forwarding electronic device (such as electronic installation 120-n), then forwarding electronic device can self-alignment
Put circuit for detecting 110 or other electronic installations, dynamically receive each electronic installation respective location in space
With the information of directivity record in addition.Each electronic installation then can move from forwarding electronic device in flow process 304
State receives all electronic installations respective location in space and the information of directivity, and updates relevant according to this
Record, use and simplify the respective location of electronic installation and directional information biography between all electronic installations
Broadcast mode.
It addition, aforementioned electronic 120 carries out during the interactive operation relevant with content of multimedia required
Some multi-medium data, such as background video, initial image object, animation or produce aforementioned multimedia number
According to required parameter etc., can be to be provided, also by the source electronic installation producing multimedia interaction instruction
Can be to be provided by other multimedia server (not illustrating).
Furthermore, each electronic installation 120 also can relative by part or all of electronic installation 120-a～120-n
Position, display is on a regional area of respective display, and presents in this regional area and aforementioned mesh
The relevant animation of motion of mark image object, allow user during participating in multimedia interaction application,
More relevant multimedia messages can be obtained, to promote the multimedia interaction experience of user.
In implementation, participating in the electronic installation 120 of multimedia interaction, available display 127 shows many matchmakers
The coherent video content that body is interactive, such as multimedia interaction picture 4000 depicted in Figure 40.Such as figure
Shown in 40, it is main that multimedia interaction picture 4000 is included in the main region of display 127 shown one
Image frame 4010, and a contract drawing picture 4020 shown on the regional area of display 127.
Electronic installation 120 can show part or all of electronic installation 120-a's～120-n in contract drawing picture 4020
Position relatively, and present relevant with the motion of preceding aim image object 500 in contract drawing picture 4020
Animation.Such as, the relative position of the portrait 4021,4022 and 4023 in contract drawing picture 4020, can
Be used for represent participate in multimedia interaction wherein three electronic installations 120-c, 120-a and 120-b or
The user of these three electronic installation relative position in space.Image object in contract drawing picture 4020
The position of 4024, can be used to represent the position of aforesaid target image object 500.Contract drawing picture 4020
In trajectory 4025, then can be used to represent target image object 500 movement locus in space or fortune
The predicted path of dynamic track.
Target image object 500 is the computer graphic that multimedia interaction application program is created out after all
Picture, the user participating in multimedia interaction is participating in during multimedia interaction, actually and cannot be
Space visually sees the real-world object corresponding with target image object 500.Therefore, user for
The target image object 500 movement locus in Virtual Space has been not easy to clearly experience.Now,
By present in contract drawing picture 4020 the image object 4024 corresponding with target image object 500 and
The mode of trajectory 4025, it is possible to provide the multimedia of the real border (augmented reality) of the similar strengthening of user
Interactive Experience.The user of electronic installation 120 reference may also be made to the content of contract drawing picture 4020, determine be
No to move oneself or the position of electronic installation 120 or directivity, to change oneself or electronic installation 120
With the relative position between other electronic installations, more enjoyment is created in the application for multimedia interaction.
On reality is applied, it is possible to utilize the contract drawing picture 4020 shown by display 127 to be used as one and make
User controls interface so that multimedia interaction control device 128 judge module can according to user for
The operation of the viewing area of contract drawing picture 4020, calculates aforesaid preferential direction Ds.Such as, when
When user clicks on a certain target figure pattern in contract drawing picture 4020, multimedia interaction controls device
The judge module of 128 just can calculate a preferential direction corresponding with this target figure pattern, and utilizes aforementioned
Method is attempted that preset one or that user selects target image object and is transmitted towards this preferential direction.
Or, multimedia interaction controls the judge module of device 128 also can be in user by a target image object
By certain a starting point of contract drawing picture 4020, tow to a certain target person picture figure in contract drawing picture 4020
Time in case, calculate preferential direction defined in this starting point and this target figure pattern, and utilize aforementioned
Method attempts transmitting this target image object towards this preferential direction.
For an angle, aforesaid multimedia interactive system 100 and relevant multimedia interaction method,
The reasonability can detected and judge different electronic installation relative position in space, and according to the knot judged
Fruit decides whether to send multimedia interaction instruction to specific electronic installation, or determines specific electronics
Whether device can perform the multimedia interaction instruction received.Consequently, it is possible to many matchmakers just can be efficiently reduced
Occur between the source electronic installation of body interaction instruction and other electronic installations departing from user's experience,
Multimedia interaction application design in should not occur, violate the rule set by interactive application or
Unintended multimedia interaction result.
For another angle, aforesaid multimedia interactive system 100 and relevant multimedia interaction method,
Multimedia interactive system 100 can be would potentially result in occur departing from user's experience, mutual in multimedia
The design of dynamic application should not occur, violate the rule set by interactive application or unintended
The multimedia interaction instruction of multimedia interaction result is filtered or is stopped, to guarantee multimedia interactive system
The multimedia interaction behavior that 100 are presented, can meet the original design purpose of multimedia interaction application.So
One, just can greatly improve the user experience that multimedia interactive system 100 is provided.
Additionally, before utilizing source electronic installation to judge whether the position of other electronic installations and directivity meet
State the first predetermined condition and the mode of the second predetermined condition, can effectively reduce the fortune needed for other electronic installations
Calculation amount, and then extend the service time of battery of other electronic installations.
Therefore, the framework of the multimedia interactive system 100 that this case proposes and relevant apparatus and method are right
The development applied in the various multimedia interactions across between electronic installation has substantial greatest benefit.
Some vocabulary is employed to censure specific element in description and claim.But,
Person of ordinary skill in the field is it is to be appreciated that same element may be called with different nouns.
Description and claim be not using the difference of title as in the way of distinguishing element, but with element
Difference functionally is used as the benchmark distinguished.At " the bag mentioned by description and claim
Contain " it is open term, therefore " comprise but be not limited to " should be construed to.It addition, " coupling " exists
This comprises and any directly and indirectly connects means.Therefore, if the first element is coupled to second described in literary composition
Element, then represent the first element can by being electrically connected with or being wirelessly transferred, the signal connection side such as optical delivery
Formula and be attached directly to the second element, or by other elements or connect means indirectly electrically or letter
Number it is connected to this second element.
Used herein " and/or " describing mode, comprise cited one of them or multiple project
Combination in any.It addition, unless specialized in description, the term of the most any odd number lattice is all simultaneously
Comprise the connotation of plural number lattice.
The flow characteristics in some device claim in claims, with accompanying drawing and the stream of description
Operation workflow content in journey figure is corresponding consistent.Therefore, these device claim are it should be understood that lead
The computer program that description to be passed through is recorded realizes the functional module framework of foregoing solutions, and should not
When being interpreted as mainly being realized the entity apparatus of this solution by hardware mode.
These are only presently preferred embodiments of the present invention, all impartial changes done according to the claims in the present invention with
Modify, all should belong to the covering scope of the present invention.
Claims (35)
1. a multimedia interactive system, it is characterised in that comprise:
Multiple electronic installations, comprise a source electronic installation and multiple candidate's electronic installations；
Multiple display, are separately positioned on this source electronic installation and the plurality of candidate's electronic installation；With
And
One position detecting circuit, is arranged to the plurality of electronic installation of dynamic detection respective location in space
And directivity, and by the information relevant with detecting result, send the plurality of electronics to wireless transmission method
At least one of device；
Wherein, indicate this source electronic installation by a target image object towards a preferential direction when a user
During transmission, if one first candidate's electronic installation in the plurality of candidate's electronic installation and this preferential direction are at sky
Relative position sign between unifies the first predetermined condition, then this source electronic installation selects this first candidate electricity
Sub-device is as a reference electronic device, and determines in the position and this preferential direction according to this reference electronic device
A fixed target direction；
Wherein, one second candidate's electronics during this source electronic installation also judges the plurality of candidate's electronic installation
Whether device, meet one second predetermined condition, and only have with this target direction relative position in space
Meet with this target direction relative position in space in the position of this second candidate electronic installation this second
In the case of predetermined condition, a target corresponding with this target image object is just referred to by this source electronic installation
Order sends this second candidate electronic installation to, makes this second candidate electronic installation utilize according to this target instruction target word
One second corresponding candidate display device carries out the multimedia running corresponding with this target image object.
2. multimedia interactive system as claimed in claim 1, it is characterised in that this second predetermined bar
Part comprises at least one of following condition:
This second candidate electronic installation must be positioned on the destination path pointed by this target direction；
Distance between position and this destination path of this second candidate electronic installation makes a reservation for less than one first
Value；
This destination path is through any position of this second candidate display device on this second candidate electronic installation
Put；
This second candidate electronic installation is positioned at this destination path place and a target vertical perpendicular to the ground
On face；
Distance between position and this target vertical face of this second candidate electronic installation less than this first make a reservation for
Value；
This second candidate electronic installation is positioned at the cylindrical region pointed by this target direction, wherein, is somebody's turn to do
Cylindrical region is with this target direction as axle and radius is this first predetermined value；
This second candidate electronic installation is positioned at the taper region pointed by this target direction, wherein, is somebody's turn to do
Taper region is with this target direction as axle, with the position of this reference electronic device, as summit and drift angle is sharp
Angle；
One first angle between this target direction and a first direction is acute angle and is less than a critical angle,
Wherein this first direction is with the position of this reference electronic device as starting point, and points to this second candidate electronics dress
The position put；
One second angle between this target direction and a second direction is acute angle and this first angle is less than
This second angle, wherein this second direction is with the position of this reference electronic device as starting point, and it is many to point to this
The position of one the 3rd electronic installation in individual electronic installation；
This second candidate electronic installation is positioned on this destination path, and this destination path fills at this reference electronic
Put other electronics that the section between this second candidate electronic installation is not exposed in the plurality of electronic installation
Device；
Distance between position and this destination path of this second candidate electronic installation less than this first make a reservation for
It is worth, and the section that this destination path is between this reference electronic device and this second candidate electronic installation does not connects
Contact other electronic installations in the plurality of electronic installation；
This destination path is through this second candidate display device on this second candidate electronic installation, and this target
Path section between this reference electronic device and this second candidate electronic installation is not exposed to the plurality of electricity
Other electronic installations in sub-device；
This second candidate electronic installation is positioned on this target vertical face at this destination path place, and this target
Vertical region between this reference electronic device and this second candidate electronic installation is not exposed to the plurality of
Other electronic installations in electronic installation；
Distance between position and this target vertical face of this second candidate electronic installation less than this first make a reservation for
Value, and the region that this target vertical face is between this reference electronic device and this second candidate electronic installation is not
Touch other electronic installations in the plurality of electronic installation；
Form one the 3rd angle between this first direction and this second direction, and this first angle is less than the 3rd
The half of angle；
Space is cut into one first side by this second direction place and one second vertical perpendicular to the ground
Space and one second space, side, this target direction points to this space, the first side, and this second candidate electronics dress
Setting in this space, the first side；
One benchmark pointing direction place of this reference electronic device and a reference vehicular face perpendicular to the ground,
One first perspective definition is respectively rotated toward these benchmark pointing direction both sides with the position of this reference electronic device for axle
Going out an aspect region, this aspect region is cut into one first half side space by this reference vehicular face
With one second half side space, this target direction points to this first half side space, and this second candidate electronics dress
Setting in this first half side space；
One the 4th angle, this first direction and this benchmark is formed between this benchmark pointing direction and this target direction
Form one the 5th angle between pointing direction, and the 4th angle and the 5th angle are smaller than this first visual angle；
One the is formed between one second candidate's pointing direction of one first opposite direction and this second candidate electronic installation
Six angles, the 4th angle and the 5th angle are less than this first visual angle, and the 6th angle is less than one the
Two visual angles, wherein, this first opposite direction is with the position of this second candidate electronic installation as starting point, and points to
The position of this reference electronic device；And
This second candidate pointing direction place of this second candidate electronic installation and perpendicular to the ground 1
Two candidate's verticals, with the position of this second candidate electronic installation for axle toward this second candidate pointing direction two
Side respectively rotates this second perspective definition and goes out one second space, candidate visual angle, this reference electronic device be positioned at this
In two space, candidate visual angles, this target direction points to this first half side space, and this second candidate electronics dress
Setting in this first half side space.
3. multimedia interactive system as claimed in claim 2, it is characterised in that this position detecting electricity
The position on road is higher than the plurality of electronic installation, and this first visual angle is equal to this second visual angle.
4. multimedia interactive system as claimed in claim 2, it is characterised in that this first predetermined bar
Part comprises at least one of following condition:
What this first candidate electronic installation was positioned at pointed by this preferential direction one selectes on path；
Distance between position and this selected path of this first candidate electronic installation is less than one first pre-spacing
Distance values；
This selected path is through the optional position of one first display on this first candidate electronic installation；
This first candidate electronic installation is positioned at this place, selected path and perpendicular to the ground and selectes vertical
On face；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value；
This first candidate electronic installation is positioned at the cylindrical region pointed by this preferential direction, wherein, is somebody's turn to do
Cylindrical region is with this preferential direction as axle and radius is this first preset distance value；
This first candidate electronic installation is positioned at the taper region pointed by this preferential direction, wherein, is somebody's turn to do
Taper region is with this preferential direction as axle, with the position of this target image object, as summit and drift angle is sharp
Angle；
This preferential direction is parallel with reference to direction of displacement with one first, and this is first with reference to direction of displacement and one the
Between one reference direction one first with reference to angle be acute angle and less than one with reference to angle, wherein, this is the years old
One with reference to direction of displacement and this first reference direction all with the position of this source electronic installation as starting point, and should
First reference direction points to the position of this first candidate electronic installation；
This first with reference to one second between direction of displacement and one second reference direction with reference to angle be acute angle,
And this first reference angle is less than this second reference angle, wherein, this second reference direction is with this source electricity
The position of sub-device is starting point, and point in the plurality of electronic installation one comparison electronic installation position；
This first candidate electronic installation is positioned on this selected path, and this selected path is at this source electronics dress
Put other electronics that the section between this first candidate electronic installation is not exposed in the plurality of electronic installation
Device；
Distance between position and this selected path of this first candidate electronic installation is less than this first pre-spacing
Distance values, and the section that this selected path is between this source electronic installation and this first candidate electronic installation is not
Touch other electronic installations in the plurality of electronic installation；
This selected path is through this first display of this first candidate electronic installation, and this selected path exists
Section between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of electronic installation
In other electronic installations；
This first candidate electronic installation is positioned on this selected vertical at this place, selected path, and this is selected
Vertical region between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of
Other electronic installations in electronic installation；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value, and the district that this selected vertical is between this source electronic installation and this first candidate electronic installation
Territory is not exposed to other electronic installations in the plurality of electronic installation；
One the 3rd reference angle, and this first ginseng is formed between this first reference direction and this second reference direction
Examine the angle half less than the 3rd reference angle；
Space is cut into by this second reference direction place and perpendicular to the ground one second with reference to vertical
One first points to this first reference space with reference to space and one second reference space, this preferential direction, and should
First candidate's electronic installation is positioned at this first reference space；
One pointing direction place, source of this source electronic installation and perpendicular to the ground one source vertical,
One first reference viewing angle is respectively rotated toward these pointing direction both sides, source with the position of this source electronic installation for axle
Defining a space, visual angle, source, it is half side that this space, visual angle, source is cut into one first by this source vertical
Half side with one second with reference to space with reference to space, this preferential direction points to this first half side reference space, should
First candidate's electronic installation is positioned at that this is first half side with reference to space, and the 1 of this first candidate electronic installation the
One candidate's pointing direction place and one first candidate's vertical perpendicular to the ground, with this first candidate electricity
The position of sub-device is that axle respectively rotates one second reference viewing angle toward these the first candidate pointing direction both sides and defines
One first space, candidate visual angle, and this source electronic installation is positioned in this space, the first candidate visual angle；
Forming one the 4th reference angle between this source pointing direction and this first reference direction of displacement, this is first years old
Formed one the 5th with reference to angle between reference direction and this source pointing direction, the 4th with reference to angle and this
Five are less than this first reference viewing angle with reference to angle, and one first with reference to opposite direction and this first candidate electronic installation
This first candidate pointing direction between formed one the 6th with reference to angle, and the 6th with reference to angle less than this
Two reference viewing angle, wherein, this first with reference to opposite direction with the position of this first candidate electronic installation as starting point,
And point to the position of this source electronic installation；
One is formed between this first candidate pointing direction of one first direction of displacement and this first candidate electronic installation
7th with reference to angle, and the 4th is less than this first reference viewing angle with reference to angle and the 5th with reference to angle, and
7th is less than this second reference viewing angle with reference to angle, and wherein, this first direction of displacement is with this first candidate
The position of electronic installation is starting point, and parallel with this first reference direction；
This preferential direction points to that this is first half side with reference to space, this first candidate electronic installation be positioned at this first
In half side reference space, and the 7th is less than 90 degree with reference to angle；
The one first candidate's projection in a reference level surface parallel to the ground of this first candidate electronic installation
Position, be positioned at this preferential direction one in this reference level surface select pointed by projecting direction select
In projection path；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
One first display view field on face；
This selected projecting direction points to this selected projection path and a belt-like zone, and this first candidate projects position
Setting in this belt-like zone, wherein, this belt-like zone is line and width centered by this selected projection path
Degree is the twice of this first preset distance value；
This selected projecting direction points to a delta-shaped region, and this first candidate projected position is positioned at this triangle
In region, wherein, this delta-shaped region centered by this selected projection path line, with this target image thing
A part projected position in this reference level surface is summit and drift angle is acute angle；
This selected projecting direction and one first is sharp with reference to 1 the 11st reference angle between projecting direction
Angle and less than this reference angle, wherein, this first reference projecting direction with this source electronic installation at this
In reference level surface one source projected position be starting point, and this first with reference to projecting direction point to this first
Candidate's projected position；
This selected projecting direction and one second is sharp with reference to 1 the 12nd reference angle between projecting direction
Angle and the 11st is less than the 12nd reference angle, wherein, this second reference projection side with reference to angle
To with this source projected position as starting point, and this comparison electronic installation pointed in the plurality of electronic installation exists
A comparison projected position in this reference level surface；
This source electronic installation is projected as a source view field in this reference level surface, and this first is waited
Selecting electronic installation to be projected as one first candidate view field in this reference level surface, this first candidate throws
Shadow position is positioned in this selected projection path, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value, and the section that this selected projection path is between this source view field and this first candidate view field,
Other electronic installations being not exposed in the plurality of electronic installation projection in this reference level surface；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
This first display view field on face, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
The a 13rd reference angle is formed between this first reference projecting direction and this second reference projecting direction,
And the 11st with reference to angle less than the 13rd with reference to the half of angle；
This reference level surface second is cut into one the with reference to the one first of projecting direction place with reference to straight line by this
One reference zone and one second reference zone, this selected projecting direction points to this first reference zone, and should
First candidate's projected position is positioned at this first reference zone；
Projection is pointed in this source pointing direction of this source electronic installation a source in this reference level surface
Direction, points to projecting direction both sides with this source projected position for axle toward this source and respectively rotates this first reference
Perspective definition goes out a source field of view, and this source is pointed to projecting direction and this source field of view cut into
One first half side reference zone and one second half side reference zone, this selected projecting direction point to this first half
Side reference zone, this first candidate projected position is positioned at this first half side reference zone, this first candidate
This first candidate pointing direction of electronic installation one first candidate in this reference level surface points to projection side
To, with this first candidate projected position as axle, point to projecting direction both sides toward this first candidate and respectively rotate this
Second reference viewing angle defines one first candidate's field of view, and this source projected position is positioned at the first candidate
In field of view；
This source is pointed to and is formed 1 the 14th with reference to angle between projecting direction and this selected projecting direction, and this is the years old
One with reference to forming 1 the 15th reference angle between projecting direction and this source sensing projecting direction, and the 14th
With reference to angle and the 15th with reference to angle less than this first reference viewing angle, one first with reference to back projection direction
And this first candidate of this first candidate electronic installation points to and forms 1 the 16th between projecting direction with reference to folder
Angle, and the 16th reference angle is less than this second reference viewing angle, wherein, this first reference back projection side
To with this first candidate projected position as starting point, and point to this source projected position；
This first reference projecting direction points to projecting direction with this first candidate of this first candidate electronic installation
Between formed 1 the 17th with reference to angle, the 14th with reference to angle and the 15th with reference to angle less than this
One reference viewing angle, and the 17th reference angle is less than this second reference viewing angle；And
This selected projecting direction points to this first half side reference zone, this first candidate electronic installation this
One candidate's projected position is positioned at this first half side reference zone, and the 17th is less than 90 with reference to angle
Degree.
5. multimedia interactive system as claimed in claim 1, it is characterised in that this second predetermined bar
Part comprises at least one of following condition:
The one second candidate's projection in a reference level surface parallel to the ground of this second candidate electronic installation
Position, is positioned at this target direction target pointed by a target projection direction in this reference level surface
In projection path；
Distance between this second candidate projected position and this target projection path is less than one first predetermined value；
This target projection path passes this second candidate display device of this second candidate electronic installation in this reference
A second display view field on horizontal plane；
This target projection path and a belt-like zone are pointed in this target projection direction, and this second candidate projects position
Setting in this belt-like zone, wherein, this belt-like zone is line and width centered by this target projection path
Degree is the twice of this first predetermined value；
A delta-shaped region is pointed in this target projection direction, and this second candidate projected position is positioned at this triangle
In region, wherein, this delta-shaped region centered by this target projection path line, fill with this reference electronic
Put the reference projection position in this reference level surface and be summit and drift angle is acute angle；
The 11st angle between this target projection direction and one first projecting direction is acute angle and is less than
One critical angle, wherein this first projecting direction is with this reference projection position as starting point, and this first projection
This second candidate projected position is pointed in direction；
The 12nd angle between this target projection direction and one second projecting direction be acute angle and this
11 angles are less than the 12nd angle, and wherein, this second projecting direction is with this reference projection position for rising
Point, and point to the 3rd in this reference level surface of one the 3rd electronic installation in the plurality of electronic installation
Projected position；
This reference electronic device is projected as a reference projection region in this reference level surface, and this second is waited
Selecting electronic installation to be projected as one second candidate view field in this reference level surface, this second candidate throws
Shadow position is positioned on this target projection path, and this target projection path this reference projection region with this
Section between two candidate view fields, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
Distance between this second candidate projected position and this target projection path is less than this first predetermined value,
And the section that this target projection path is between this reference projection region and this second candidate view field, no
Touch the projection in this reference level surface of other electronic installations in the plurality of electronic installation；
This target projection path passes this second candidate display device of this second candidate electronic installation in this reference
This second display view field on horizontal plane, and this target projection path this reference projection region with
Section between this second candidate view field, other electronics being not exposed in the plurality of electronic installation fill
Put the projection in this reference level surface；
The 13rd angle, and the 11st folder is formed between this first projecting direction and this second projecting direction
Angle is less than the half of the 13rd angle；
This reference level surface is cut into one first side with reference to straight line by the one second of this second projecting direction place
Region and one second side region, this first side region is pointed in this target projection direction, and this second candidate throws
Shadow position is positioned at this first side region；
The one benchmark pointing direction of this reference electronic device benchmark in this reference level surface points to projection
Direction, points to projecting direction both sides for axle toward this benchmark with this reference projection position and respectively rotates one first visual angle
Defining an aspect region, this benchmark points to projecting direction and this aspect region cuts into one the
Half side region and one the second half side region, this target projection direction points to this first half side region, and should
Second candidate's projected position is positioned at this first half side region；
This benchmark points to and forms 1 the 14th angle between projecting direction and this target projection direction, this first throwing
Shadow direction and this benchmark point to and form 1 the 15th angle between projecting direction, and the 14th angle and this
15 angles are smaller than this first visual angle；
One second candidate's pointing direction of one first back projection direction and this second candidate electronic installation is in this ginseng
Examine one second candidate on horizontal plane and point to formation 1 the 16th angle, the 14th angle between projecting direction
With the 15th angle less than this first visual angle, and the 16th angle is less than one second visual angle, wherein should
First back projection direction is with this second candidate projected position as starting point, and points to this reference projection position；With
And
This second candidate points to projecting direction with this second candidate projected position as axle, refers to toward this second candidate
Respectively rotate this second perspective definition to projecting direction both sides and go out one second candidate's field of view, this reference projection
Position is positioned in this second candidate field of view, and this first half side region is pointed in this target projection direction, and
This second candidate projected position is positioned at this first half side region.
6. multimedia interactive system as claimed in claim 5, it is characterised in that this position detecting electricity
The position on road is higher than the plurality of electronic installation, and this first visual angle is equal to this second visual angle.
7. multimedia interactive system as claimed in claim 5, it is characterised in that this first predetermined bar
Part comprises at least one of following condition:
What this first candidate electronic installation was positioned at pointed by this preferential direction one selectes on path；
Distance between position and this selected path of this first candidate electronic installation is less than one first pre-spacing
Distance values；
This selected path is through the optional position of one first display on this first candidate electronic installation；
This first candidate electronic installation is positioned at this place, selected path and perpendicular to the ground and selectes vertical
On face；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value；
This first candidate electronic installation is positioned at the cylindrical region pointed by this preferential direction, wherein, is somebody's turn to do
Cylindrical region is with this preferential direction as axle and radius is this first preset distance value；
This first candidate electronic installation is positioned at the taper region pointed by this preferential direction, wherein, is somebody's turn to do
Taper region is with this preferential direction as axle, with the position of this target image object, as summit and drift angle is sharp
Angle；
This preferential direction is parallel with reference to direction of displacement with one first, and this is first with reference to direction of displacement and one the
Between one reference direction one first with reference to angle be acute angle and less than one with reference to angle, wherein, this is the years old
One with reference to direction of displacement and this first reference direction all with the position of this source electronic installation as starting point, and should
First reference direction points to the position of this first candidate electronic installation；
This first with reference to one second between direction of displacement and one second reference direction with reference to angle be acute angle,
And this first reference angle is less than this second reference angle, wherein, this second reference direction is with this source electricity
The position of sub-device is starting point, and point in the plurality of electronic installation one comparison electronic installation position；
This first candidate electronic installation is positioned on this selected path, and this selected path is at this source electronics dress
Put other electronics that the section between this first candidate electronic installation is not exposed in the plurality of electronic installation
Device；
Distance between position and this selected path of this first candidate electronic installation is less than this first pre-spacing
Distance values, and the section that this selected path is between this source electronic installation and this first candidate electronic installation is not
Touch other electronic installations in the plurality of electronic installation；
This selected path is through this first display of this first candidate electronic installation, and this selected path exists
Section between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of electronic installation
In other electronic installations；
This first candidate electronic installation is positioned on this selected vertical at this place, selected path, and this is selected
Vertical region between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of
Other electronic installations in electronic installation；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value, and the district that this selected vertical is between this source electronic installation and this first candidate electronic installation
Territory is not exposed to other electronic installations in the plurality of electronic installation；
One the 3rd reference angle, and this first ginseng is formed between this first reference direction and this second reference direction
Examine the angle half less than the 3rd reference angle；
Space is cut into by this second reference direction place and perpendicular to the ground one second with reference to vertical
One first points to this first reference space with reference to space and one second reference space, this preferential direction, and should
First candidate's electronic installation is positioned at this first reference space；
One pointing direction place, source of this source electronic installation and perpendicular to the ground one source vertical,
One first reference viewing angle is respectively rotated toward these pointing direction both sides, source with the position of this source electronic installation for axle
Defining a space, visual angle, source, it is half side that this space, visual angle, source is cut into one first by this source vertical
Half side with one second with reference to space with reference to space, this preferential direction points to this first half side reference space, should
First candidate's electronic installation is positioned at that this is first half side with reference to space, and the 1 of this first candidate electronic installation the
One candidate's pointing direction place and one first candidate's vertical perpendicular to the ground, with this first candidate electricity
The position of sub-device is that axle respectively rotates one second reference viewing angle toward these the first candidate pointing direction both sides and defines
One first space, candidate visual angle, and this source electronic installation is positioned in this space, the first candidate visual angle；
Forming one the 4th reference angle between this source pointing direction and this first reference direction of displacement, this is first years old
Formed one the 5th with reference to angle between reference direction and this source pointing direction, the 4th with reference to angle and this
Five are less than this first reference viewing angle with reference to angle, and one first with reference to opposite direction and this first candidate electronic installation
This first candidate pointing direction between formed one the 6th with reference to angle, and the 6th with reference to angle less than this
Two reference viewing angle, wherein, this first with reference to opposite direction with the position of this first candidate electronic installation as starting point,
And point to the position of this source electronic installation；
One is formed between this first candidate pointing direction of one first direction of displacement and this first candidate electronic installation
7th with reference to angle, and the 4th is less than this first reference viewing angle with reference to angle and the 5th with reference to angle, and
7th is less than this second reference viewing angle with reference to angle, and wherein, this first direction of displacement is with this first candidate
The position of electronic installation is starting point, and parallel with this first reference direction；
This preferential direction points to that this is first half side with reference to space, this first candidate electronic installation be positioned at this first
In half side reference space, and the 7th is less than 90 degree with reference to angle；
The one first candidate's projection in a reference level surface parallel to the ground of this first candidate electronic installation
Position, be positioned at this preferential direction one in this reference level surface select pointed by projecting direction select
In projection path；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
One first display view field on face；
This selected projecting direction points to this selected projection path and a belt-like zone, and this first candidate projects position
Setting in this belt-like zone, wherein, this belt-like zone is line and width centered by this selected projection path
Degree is the twice of this first preset distance value；
This selected projecting direction points to a delta-shaped region, and this first candidate projected position is positioned at this triangle
In region, wherein, this delta-shaped region centered by this selected projection path line, with this target image thing
A part projected position in this reference level surface is summit and drift angle is acute angle；
This selected projecting direction and one first is sharp with reference to 1 the 11st reference angle between projecting direction
Angle and less than this reference angle, wherein, this first reference projecting direction with this source electronic installation at this
In reference level surface one source projected position be starting point, and this first with reference to projecting direction point to this first
Candidate's projected position；
This selected projecting direction and one second is sharp with reference to 1 the 12nd reference angle between projecting direction
Angle and the 11st is less than the 12nd reference angle, wherein, this second reference projection side with reference to angle
To with this source projected position as starting point, and this comparison electronic installation pointed in the plurality of electronic installation exists
A comparison projected position in this reference level surface；
This source electronic installation is projected as a source view field in this reference level surface, and this first is waited
Selecting electronic installation to be projected as one first candidate view field in this reference level surface, this first candidate throws
Shadow position is positioned in this selected projection path, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value, and the section that this selected projection path is between this source view field and this first candidate view field,
Other electronic installations being not exposed in the plurality of electronic installation projection in this reference level surface；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
This first display view field on face, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
The a 13rd reference angle is formed between this first reference projecting direction and this second reference projecting direction,
And the 11st with reference to angle less than the 13rd with reference to the half of angle；
This reference level surface second is cut into one the with reference to the one first of projecting direction place with reference to straight line by this
One reference zone and one second reference zone, this selected projecting direction points to this first reference zone, and should
First candidate's projected position is positioned at this first reference zone；
Projection is pointed in this source pointing direction of this source electronic installation a source in this reference level surface
Direction, points to projecting direction both sides with this source projected position for axle toward this source and respectively rotates this first reference
Perspective definition goes out a source field of view, and this source is pointed to projecting direction and this source field of view cut into
One first half side reference zone and one second half side reference zone, this selected projecting direction point to this first half
Side reference zone, this first candidate projected position is positioned at this first half side reference zone, this first candidate
This first candidate pointing direction of electronic installation one first candidate in this reference level surface points to projection side
To, with this first candidate projected position as axle, point to projecting direction both sides toward this first candidate and respectively rotate this
Second reference viewing angle defines one first candidate's field of view, and this source projected position is positioned at the first candidate
In field of view；
This source is pointed to and is formed 1 the 14th with reference to angle between projecting direction and this selected projecting direction, and this is the years old
One with reference to forming 1 the 15th reference angle between projecting direction and this source sensing projecting direction, and the 14th
With reference to angle and the 15th with reference to angle less than this first reference viewing angle, one first with reference to back projection direction
And this first candidate of this first candidate electronic installation points to and forms 1 the 16th between projecting direction with reference to folder
Angle, and the 16th reference angle is less than this second reference viewing angle, wherein, this first reference back projection side
To with this first candidate projected position as starting point, and point to this source projected position；
This first reference projecting direction points to projecting direction with this first candidate of this first candidate electronic installation
Between formed 1 the 17th with reference to angle, the 14th with reference to angle and the 15th with reference to angle less than this
One reference viewing angle, and the 17th reference angle is less than this second reference viewing angle；And
This selected projecting direction points to this first half side reference zone, this first candidate electronic installation this
One candidate's projected position is positioned at this first half side reference zone, and the 17th is less than 90 with reference to angle
Degree.
8. multimedia interactive system as claimed in claim 1, it is characterised in that this first predetermined bar
Part comprises at least one of following condition:
What this first candidate electronic installation was positioned at pointed by this preferential direction one selectes on path；
Distance between position and this selected path of this first candidate electronic installation is less than one first pre-spacing
Distance values；
This selected path is through the optional position of one first display on this first candidate electronic installation；
This first candidate electronic installation is positioned at this place, selected path and perpendicular to the ground and selectes vertical
On face；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value；
This first candidate electronic installation is positioned at the cylindrical region pointed by this preferential direction, wherein, is somebody's turn to do
Cylindrical region is with this preferential direction as axle and radius is this first preset distance value；
This first candidate electronic installation is positioned at the taper region pointed by this preferential direction, wherein, is somebody's turn to do
Taper region is with this preferential direction as axle, with the position of this target image object, as summit and drift angle is sharp
Angle；
This preferential direction is parallel with reference to direction of displacement with one first, and this is first with reference to direction of displacement and one the
Between one reference direction one first with reference to angle be acute angle and less than one with reference to angle, wherein, this is the years old
One with reference to direction of displacement and this first reference direction all with the position of this source electronic installation as starting point, and should
First reference direction points to the position of this first candidate electronic installation；
This first with reference to one second between direction of displacement and one second reference direction with reference to angle be acute angle,
And this first reference angle is less than this second reference angle, wherein, this second reference direction is with this source electricity
The position of sub-device is starting point, and point in the plurality of electronic installation one comparison electronic installation position；
This first candidate electronic installation is positioned on this selected path, and this selected path is at this source electronics dress
Put other electronics that the section between this first candidate electronic installation is not exposed in the plurality of electronic installation
Device；
Distance between position and this selected path of this first candidate electronic installation is less than this first pre-spacing
Distance values, and the section that this selected path is between this source electronic installation and this first candidate electronic installation is not
Touch other electronic installations in the plurality of electronic installation；
This selected path is through this first display of this first candidate electronic installation, and this selected path exists
Section between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of electronic installation
In other electronic installations；
This first candidate electronic installation is positioned on this selected vertical at this place, selected path, and this is selected
Vertical region between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of
Other electronic installations in electronic installation；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value, and the district that this selected vertical is between this source electronic installation and this first candidate electronic installation
Territory is not exposed to other electronic installations in the plurality of electronic installation；
One the 3rd reference angle, and this first ginseng is formed between this first reference direction and this second reference direction
Examine the angle half less than the 3rd reference angle；
Space is cut into by this second reference direction place and perpendicular to the ground one second with reference to vertical
One first points to this first reference space with reference to space and one second reference space, this preferential direction, and should
First candidate's electronic installation is positioned at this first reference space；
One pointing direction place, source of this source electronic installation and perpendicular to the ground one source vertical,
One first reference viewing angle is respectively rotated toward these pointing direction both sides, source with the position of this source electronic installation for axle
Defining a space, visual angle, source, it is half side that this space, visual angle, source is cut into one first by this source vertical
Half side with one second with reference to space with reference to space, this preferential direction points to this first half side reference space, should
First candidate's electronic installation is positioned at that this is first half side with reference to space, and the 1 of this first candidate electronic installation the
One candidate's pointing direction place and one first candidate's vertical perpendicular to the ground, with this first candidate electricity
The position of sub-device is that axle respectively rotates one second reference viewing angle toward these the first candidate pointing direction both sides and defines
One first space, candidate visual angle, and this source electronic installation is positioned in this space, the first candidate visual angle；
Forming one the 4th reference angle between this source pointing direction and this first reference direction of displacement, this is first years old
Formed one the 5th with reference to angle between reference direction and this source pointing direction, the 4th with reference to angle and this
Five are less than this first reference viewing angle with reference to angle, and one first with reference to opposite direction and this first candidate electronic installation
This first candidate pointing direction between formed one the 6th with reference to angle, and the 6th with reference to angle less than this
Two reference viewing angle, wherein, this first with reference to opposite direction with the position of this first candidate electronic installation as starting point,
And point to the position of this source electronic installation；
One is formed between this first candidate pointing direction of one first direction of displacement and this first candidate electronic installation
7th with reference to angle, and the 4th is less than this first reference viewing angle with reference to angle and the 5th with reference to angle, and
7th is less than this second reference viewing angle with reference to angle, and wherein, this first direction of displacement is with this first candidate
The position of electronic installation is starting point, and parallel with this first reference direction；
This preferential direction points to that this is first half side with reference to space, this first candidate electronic installation be positioned at this first
In half side reference space, and the 7th is less than 90 degree with reference to angle；
The one first candidate's projection in a reference level surface parallel to the ground of this first candidate electronic installation
Position, be positioned at this preferential direction one in this reference level surface select pointed by projecting direction select
In projection path；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
One first display view field on face；
This selected projecting direction points to this selected projection path and a belt-like zone, and this first candidate projects position
Setting in this belt-like zone, wherein, this belt-like zone is line and width centered by this selected projection path
Degree is the twice of this first preset distance value；
This selected projecting direction points to a delta-shaped region, and this first candidate projected position is positioned at this triangle
In region, wherein, this delta-shaped region centered by this selected projection path line, with this target image thing
A part projected position in this reference level surface is summit and drift angle is acute angle；
This selected projecting direction and one first is sharp with reference to 1 the 11st reference angle between projecting direction
Angle and less than this reference angle, wherein, this first reference projecting direction with this source electronic installation at this
In reference level surface one source projected position be starting point, and this first with reference to projecting direction point to this first
Candidate's projected position；
This selected projecting direction and one second is sharp with reference to 1 the 12nd reference angle between projecting direction
Angle and the 11st is less than the 12nd reference angle, wherein, this second reference projection side with reference to angle
To with this source projected position as starting point, and this comparison electronic installation pointed in the plurality of electronic installation exists
A comparison projected position in this reference level surface；
This source electronic installation is projected as a source view field in this reference level surface, and this first is waited
Selecting electronic installation to be projected as one first candidate view field in this reference level surface, this first candidate throws
Shadow position is positioned in this selected projection path, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value, and the section that this selected projection path is between this source view field and this first candidate view field,
Other electronic installations being not exposed in the plurality of electronic installation projection in this reference level surface；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
This first display view field on face, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
The a 13rd reference angle is formed between this first reference projecting direction and this second reference projecting direction,
And the 11st with reference to angle less than the 13rd with reference to the half of angle；
This reference level surface second is cut into one the with reference to the one first of projecting direction place with reference to straight line by this
One reference zone and one second reference zone, this selected projecting direction points to this first reference zone, and should
First candidate's projected position is positioned at this first reference zone；
Projection is pointed in this source pointing direction of this source electronic installation a source in this reference level surface
Direction, points to projecting direction both sides with this source projected position for axle toward this source and respectively rotates this first reference
Perspective definition goes out a source field of view, and this source is pointed to projecting direction and this source field of view cut into
One first half side reference zone and one second half side reference zone, this selected projecting direction point to this first half
Side reference zone, this first candidate projected position is positioned at this first half side reference zone, this first candidate
This first candidate pointing direction of electronic installation one first candidate in this reference level surface points to projection side
To, with this first candidate projected position as axle, point to projecting direction both sides toward this first candidate and respectively rotate this
Second reference viewing angle defines one first candidate's field of view, and this source projected position is positioned at the first candidate
In field of view；
This source is pointed to and is formed 1 the 14th with reference to angle between projecting direction and this selected projecting direction, and this is the years old
One with reference to forming 1 the 15th reference angle between projecting direction and this source sensing projecting direction, and the 14th
With reference to angle and the 15th with reference to angle less than this first reference viewing angle, one first with reference to back projection direction
And this first candidate of this first candidate electronic installation points to and forms 1 the 16th between projecting direction with reference to folder
Angle, and the 16th reference angle is less than this second reference viewing angle, wherein, this first reference back projection side
To with this first candidate projected position as starting point, and point to this source projected position；
This first reference projecting direction points to projecting direction with this first candidate of this first candidate electronic installation
Between formed 1 the 17th with reference to angle, the 14th with reference to angle and the 15th with reference to angle less than this
One reference viewing angle, and the 17th reference angle is less than this second reference viewing angle；And
This selected projecting direction points to this first half side reference zone, this first candidate electronic installation this
One candidate's projected position is positioned at this first half side reference zone, and the 17th is less than 90 with reference to angle
Degree.
9. multimedia interactive system as claimed in claim 1, it is characterised in that this source electronics dress
Put define parallel with this preferential direction, and one second ginseng with the position of this reference electronic device as starting point
Examine direction of displacement so that this second reference direction of displacement and this benchmark pointing direction of this reference electronic device
Between formed less than 180 degree one the 4th reference angle, this source electronic installation is by this reference electronic device
Position be set to the starting point of this target direction, and make to be formed between this target direction and this benchmark pointing direction
One the 5th with reference to angle；
Wherein, the 5th with reference to the supplementary angle that angle is the 4th reference angle.
10. multimedia interactive system as claimed in claim 1, it is characterised in that this source electronics dress
Put this source electronic installation, this reference electronic device and this second candidate electronic installation in space
Position relatively, shows on a regional area of a source displayer of this source electronic installation, and at this
Regional area presents the animation relevant with the motion of this target image object.
11. multimedia interactive systems as claimed in claim 10, it is characterised in that this source electronics
Device, according to the operation to this regional area of this user, calculates this preferential direction.
12. multimedia interactive systems as claimed in claim 1, it is characterised in that this source electronics dress
Put from least one of this position detecting circuit and the plurality of candidate's electronic installation, receive with this second
The information that the position of candidate's electronic installation is relevant with directivity.
13. multimedia interactive systems as claimed in claim 1, it is characterised in that the plurality of electronics fills
Additionally comprise in putting:
One forwarding electronic device, the instruction transmission medium being arranged as between the plurality of electronic installation and
Position and the transmission medium of directional information；
Wherein, this forwarding electronic device is from this position detecting circuit and the plurality of electronic installation at least within
One of, receive the information relevant with the position of this second candidate electronic installation and directivity, and be supplied to this
Source electronic installation.
14. multimedia interactive systems as according to any one of claim 1～13, it is characterised in that
This position detecting circuit detecting and utilize the position of a centre of form of this source electronic installation, represents this source
Electronic installation position in space, and detect and utilize the position of a centre of form of this second candidate electronic installation
Put, represent this second candidate electronic installation position in space.
15. multimedia interactive systems as according to any one of claim 1～13, it is characterised in that
This position detecting circuit detecting and transmit the space of multiple transmission ends reference point in this source electronic installation and sit
Mark to this source electronic installation, and the multiple receiving terminals ginseng detected and transmit in this second candidate electronic installation
The space coordinates of examination point gives this second candidate electronic installation；
Wherein, this source electronic installation goes out this according to the spatial coordinates calculation of the plurality of transmission end reference point
The position of one centre of form of source electronic installation, represents this source electronic installation position in space, and should
Second candidate's electronic installation goes out this second candidate electricity according to the spatial coordinates calculation of the plurality of receiving terminal reference point
The position of one centre of form of sub-device, represents this second candidate electronic installation position in space.
16. multimedia interactive systems as according to any one of claim 1～13, it is characterised in that
This position detecting circuit detecting and transmit the space of multiple transmission ends reference point in this source electronic installation and sit
Mark to this source electronic installation, and the multiple receiving terminals ginseng detected and transmit in this second candidate electronic installation
The space coordinates of examination point gives this second candidate electronic installation；
Wherein, this source electronic installation goes out this according to the spatial coordinates calculation of the plurality of transmission end reference point
The position of one centre of form of one source displayer of source electronic installation, represents this source electronic installation in space
In position, and this second candidate electronic installation is according to the spatial coordinates calculation of the plurality of receiving terminal reference point
Go out the position of a centre of form of this second candidate display device, represent this second candidate electronic installation in space
Position.
17. multimedia interactive systems as according to any one of claim 1～13, it is characterised in that
This position detecting circuit detecting and transmit the space of multiple transmission ends reference point in this source electronic installation and sit
Mark to this source electronic installation, and the multiple receiving terminals ginseng detected and transmit in this second candidate electronic installation
The space coordinates of examination point gives this second candidate electronic installation；
Wherein, this source electronic installation, according to the space coordinates of the plurality of transmission end reference point, calculates this
The center of one first multimedia interaction formula form shown on one source displayer of source electronic installation
The position of point, represents this source electronic installation position in space, and this second candidate electronic installation
According to the space coordinates of the plurality of receiving terminal reference point, calculate on this second candidate display device shown
The position of the central point of one second multimedia interaction formula form, represents this second candidate electronic installation and exists
Position in space.
18. 1 kinds of multimedia interactions control device, for controlling the source in a multimedia interactive system
Electronic installation carries out a multimedia interaction running, this multimedia interactive system comprise a position detecting circuit with
And multiple electronic installation, the plurality of electronic installation comprises this source electronic installation and multiple candidate's electronic installations,
This source electronic installation comprises a control circuit, a telecommunication circuit and a source displayer, and its feature exists
In, this multimedia interaction controls device and comprises:
One receiver module, is used for utilizing this telecommunication circuit, dynamically receives with the plurality of with wireless transmission method
The information that electronic installation respective location in space is relevant with directivity；
One selects module, wherein, when a user indicates this source electronic installation by a target image object
Towards one preferential direction transmit time, if one first candidate's electronic installation in the plurality of candidate's electronic installation with should
Preferential direction relative position sign in space unifies the first predetermined condition, and this selection module utilizes this control
Circuit selects this first candidate electronic installation as a reference electronic device；
One target direction decision module, for utilizing this control circuit according to the position of this reference electronic device
A target direction is determined with this preferential direction；
One judge module, for utilizing this control circuit to judge one second in the plurality of candidate's electronic installation
Whether candidate's electronic installation, meet one second predetermined condition with this target direction relative position in space；
And
One delivery module, only in the position of this second candidate electronic installation with this target direction in space
Relative position meet this second predetermined condition in the case of, just utilize this telecommunication circuit will be with this target shadow
As the target instruction target word that object is corresponding sends this second candidate electronic installation to, this second candidate electronics is made to fill
Put and utilize one second corresponding candidate display device to carry out and this target image object pair according to this target instruction target word
The multimedia running answered.
19. multimedia interactions as claimed in claim 18 control device, it is characterised in that this is second years old
Predetermined condition comprises at least one of following condition:
This second candidate electronic installation must be positioned on the destination path pointed by this target direction；
Distance between position and this destination path of this second candidate electronic installation makes a reservation for less than one first
Value；
This destination path is through any position of this second candidate display device on this second candidate electronic installation
Put；
This second candidate electronic installation is positioned at this destination path place and a target vertical perpendicular to the ground
On face；
Distance between position and this target vertical face of this second candidate electronic installation less than this first make a reservation for
Value；
This second candidate electronic installation is positioned at the cylindrical region pointed by this target direction, wherein, is somebody's turn to do
Cylindrical region is with this target direction as axle and radius is this first predetermined value；
This second candidate electronic installation is positioned at the taper region pointed by this target direction, wherein, is somebody's turn to do
Taper region is with this target direction as axle, with the position of this reference electronic device, as summit and drift angle is sharp
Angle；
One first angle between this target direction and a first direction is acute angle and is less than a critical angle,
Wherein this first direction is with the position of this reference electronic device as starting point, and points to this second candidate electronics dress
The position put；
One second angle between this target direction and a second direction is acute angle and this first angle is less than
This second angle, wherein this second direction is with the position of this reference electronic device as starting point, and it is many to point to this
The position of one the 3rd electronic installation in individual electronic installation；
This second candidate electronic installation is positioned on this destination path, and this destination path fills at this reference electronic
Put other electronics that the section between this second candidate electronic installation is not exposed in the plurality of electronic installation
Device；
Distance between position and this destination path of this second candidate electronic installation less than this first make a reservation for
It is worth, and the section that this destination path is between this reference electronic device and this second candidate electronic installation does not connects
Contact other electronic installations in the plurality of electronic installation；
This destination path is through this second candidate display device on this second candidate electronic installation, and this target
Path section between this reference electronic device and this second candidate electronic installation is not exposed to the plurality of electricity
Other electronic installations in sub-device；
This second candidate electronic installation is positioned on this target vertical face at this destination path place, and this target
Vertical region between this reference electronic device and this second candidate electronic installation is not exposed to the plurality of
Other electronic installations in electronic installation；
Distance between position and this target vertical face of this second candidate electronic installation less than this first make a reservation for
Value, and the region that this target vertical face is between this reference electronic device and this second candidate electronic installation is not
Touch other electronic installations in the plurality of electronic installation；
Form one the 3rd angle between this first direction and this second direction, and this first angle is less than the 3rd
The half of angle；
Space is cut into one first side by this second direction place and one second vertical perpendicular to the ground
Space and one second space, side, this target direction points to this space, the first side, and this second candidate electronics dress
Setting in this space, the first side；
One benchmark pointing direction place of this reference electronic device and a reference vehicular face perpendicular to the ground,
One first perspective definition is respectively rotated toward these benchmark pointing direction both sides with the position of this reference electronic device for axle
Going out an aspect region, this aspect region is cut into one first half side space by this reference vehicular face
With one second half side space, this target direction points to this first half side space, and this second candidate electronics dress
Setting in this first half side space；
One the 4th angle, this first direction and this benchmark is formed between this benchmark pointing direction and this target direction
Form one the 5th angle between pointing direction, and the 4th angle and the 5th angle are smaller than this first visual angle；
One the is formed between one second candidate's pointing direction of one first opposite direction and this second candidate electronic installation
Six angles, the 4th angle and the 5th angle are less than this first visual angle, and the 6th angle is less than one the
Two visual angles, wherein, this first opposite direction is with the position of this second candidate electronic installation as starting point, and points to
The position of this reference electronic device；And
This second candidate pointing direction place of this second candidate electronic installation and perpendicular to the ground 1
Two candidate's verticals, with the position of this second candidate electronic installation for axle toward this second candidate pointing direction two
Side respectively rotates this second perspective definition and goes out one second space, candidate visual angle, this reference electronic device be positioned at this
In two space, candidate visual angles, this target direction points to this first half side space, and this second candidate electronics dress
Setting in this first half side space.
20. multimedia interactions as claimed in claim 19 control device, it is characterised in that this is first years old
Visual angle is equal to this second visual angle.
21. multimedia interactions as claimed in claim 19 control device, it is characterised in that this is first years old
Predetermined condition comprises at least one of following condition:
What this first candidate electronic installation was positioned at pointed by this preferential direction one selectes on path；
Distance between position and this selected path of this first candidate electronic installation is less than one first pre-spacing
Distance values；
This selected path is through the optional position of one first display on this first candidate electronic installation；
This first candidate electronic installation is positioned at this place, selected path and perpendicular to the ground and selectes vertical
On face；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value；
This first candidate electronic installation is positioned at the cylindrical region pointed by this preferential direction, wherein, is somebody's turn to do
Cylindrical region is with this preferential direction as axle and radius is this first preset distance value；
This first candidate electronic installation is positioned at the taper region pointed by this preferential direction, wherein, is somebody's turn to do
Taper region is with this preferential direction as axle, with the position of this target image object, as summit and drift angle is sharp
Angle；
This preferential direction is parallel with reference to direction of displacement with one first, and this is first with reference to direction of displacement and one the
Between one reference direction one first with reference to angle be acute angle and less than one with reference to angle, wherein, this is the years old
One with reference to direction of displacement and this first reference direction all with the position of this source electronic installation as starting point, and should
First reference direction points to the position of this first candidate electronic installation；
This first with reference to one second between direction of displacement and one second reference direction with reference to angle be acute angle,
And this first reference angle is less than this second reference angle, wherein, this second reference direction is with this source electricity
The position of sub-device is starting point, and point in the plurality of electronic installation one comparison electronic installation position；
This first candidate electronic installation is positioned on this selected path, and this selected path is at this source electronics dress
Put other electronics that the section between this first candidate electronic installation is not exposed in the plurality of electronic installation
Device；
Distance between position and this selected path of this first candidate electronic installation is less than this first pre-spacing
Distance values, and the section that this selected path is between this source electronic installation and this first candidate electronic installation is not
Touch other electronic installations in the plurality of electronic installation；
This selected path is through this first display of this first candidate electronic installation, and this selected path exists
Section between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of electronic installation
In other electronic installations；
This first candidate electronic installation is positioned on this selected vertical at this place, selected path, and this is selected
Vertical region between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of
Other electronic installations in electronic installation；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value, and the district that this selected vertical is between this source electronic installation and this first candidate electronic installation
Territory is not exposed to other electronic installations in the plurality of electronic installation；
One the 3rd reference angle, and this first ginseng is formed between this first reference direction and this second reference direction
Examine the angle half less than the 3rd reference angle；
Space is cut into by this second reference direction place and perpendicular to the ground one second with reference to vertical
One first points to this first reference space with reference to space and one second reference space, this preferential direction, and should
First candidate's electronic installation is positioned at this first reference space；
One pointing direction place, source of this source electronic installation and perpendicular to the ground one source vertical,
One first reference viewing angle is respectively rotated toward these pointing direction both sides, source with the position of this source electronic installation for axle
Defining a space, visual angle, source, it is half side that this space, visual angle, source is cut into one first by this source vertical
Half side with one second with reference to space with reference to space, this preferential direction points to this first half side reference space, should
First candidate's electronic installation is positioned at that this is first half side with reference to space, and the 1 of this first candidate electronic installation the
One candidate's pointing direction place and one first candidate's vertical perpendicular to the ground, with this first candidate electricity
The position of sub-device is that axle respectively rotates one second reference viewing angle toward these the first candidate pointing direction both sides and defines
One first space, candidate visual angle, and this source electronic installation is positioned in this space, the first candidate visual angle；
Forming one the 4th reference angle between this source pointing direction and this first reference direction of displacement, this is first years old
Formed one the 5th with reference to angle between reference direction and this source pointing direction, the 4th with reference to angle and this
Five are less than this first reference viewing angle with reference to angle, and one first with reference to opposite direction and this first candidate electronic installation
This first candidate pointing direction between formed one the 6th with reference to angle, and the 6th with reference to angle less than this
Two reference viewing angle, wherein, this first with reference to opposite direction with the position of this first candidate electronic installation as starting point,
And point to the position of this source electronic installation；
One is formed between this first candidate pointing direction of one first direction of displacement and this first candidate electronic installation
7th with reference to angle, and the 4th is less than this first reference viewing angle with reference to angle and the 5th with reference to angle, and
7th is less than this second reference viewing angle with reference to angle, and wherein, this first direction of displacement is with this first candidate
The position of electronic installation is starting point, and parallel with this first reference direction；
This preferential direction points to that this is first half side with reference to space, this first candidate electronic installation be positioned at this first
In half side reference space, and the 7th is less than 90 degree with reference to angle；
The one first candidate's projection in a reference level surface parallel to the ground of this first candidate electronic installation
Position, be positioned at this preferential direction one in this reference level surface select pointed by projecting direction select
In projection path；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
One first display view field on face；
This selected projecting direction points to this selected projection path and a belt-like zone, and this first candidate projects position
Setting in this belt-like zone, wherein, this belt-like zone is line and width centered by this selected projection path
Degree is the twice of this first preset distance value；
This selected projecting direction points to a delta-shaped region, and this first candidate projected position is positioned at this triangle
In region, wherein, this delta-shaped region centered by this selected projection path line, with this target image thing
A part projected position in this reference level surface is summit and drift angle is acute angle；
This selected projecting direction and one first is sharp with reference to 1 the 11st reference angle between projecting direction
Angle and less than this reference angle, wherein, this first reference projecting direction with this source electronic installation at this
In reference level surface one source projected position be starting point, and this first with reference to projecting direction point to this first
Candidate's projected position；
This selected projecting direction and one second is sharp with reference to 1 the 12nd reference angle between projecting direction
Angle and the 11st is less than the 12nd reference angle, wherein, this second reference projection side with reference to angle
To with this source projected position as starting point, and this comparison electronic installation pointed in the plurality of electronic installation exists
A comparison projected position in this reference level surface；
This source electronic installation is projected as a source view field in this reference level surface, and this first is waited
Selecting electronic installation to be projected as one first candidate view field in this reference level surface, this first candidate throws
Shadow position is positioned in this selected projection path, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value, and the section that this selected projection path is between this source view field and this first candidate view field,
Other electronic installations being not exposed in the plurality of electronic installation projection in this reference level surface；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
This first display view field on face, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
The a 13rd reference angle is formed between this first reference projecting direction and this second reference projecting direction,
And the 11st with reference to angle less than the 13rd with reference to the half of angle；
This reference level surface second is cut into one the with reference to the one first of projecting direction place with reference to straight line by this
One reference zone and one second reference zone, this selected projecting direction points to this first reference zone, and should
First candidate's projected position is positioned at this first reference zone；
Projection is pointed in this source pointing direction of this source electronic installation a source in this reference level surface
Direction, points to projecting direction both sides with this source projected position for axle toward this source and respectively rotates this first reference
Perspective definition goes out a source field of view, and this source is pointed to projecting direction and this source field of view cut into
One first half side reference zone and one second half side reference zone, this selected projecting direction point to this first half
Side reference zone, this first candidate projected position is positioned at this first half side reference zone, this first candidate
This first candidate pointing direction of electronic installation one first candidate in this reference level surface points to projection side
To, with this first candidate projected position as axle, point to projecting direction both sides toward this first candidate and respectively rotate this
Second reference viewing angle defines one first candidate's field of view, and this source projected position is positioned at the first candidate
In field of view；
This source is pointed to and is formed 1 the 14th with reference to angle between projecting direction and this selected projecting direction, and this is the years old
One with reference to forming 1 the 15th reference angle between projecting direction and this source sensing projecting direction, and the 14th
With reference to angle and the 15th with reference to angle less than this first reference viewing angle, one first with reference to back projection direction
And this first candidate of this first candidate electronic installation points to and forms 1 the 16th between projecting direction with reference to folder
Angle, and the 16th reference angle is less than this second reference viewing angle, wherein, this first reference back projection side
To with this first candidate projected position as starting point, and point to this source projected position；
This first reference projecting direction points to projecting direction with this first candidate of this first candidate electronic installation
Between formed 1 the 17th with reference to angle, the 14th with reference to angle and the 15th with reference to angle less than this
One reference viewing angle, and the 17th reference angle is less than this second reference viewing angle；And
This selected projecting direction points to this first half side reference zone, this first candidate electronic installation this
One candidate's projected position is positioned at this first half side reference zone, and the 17th is less than 90 with reference to angle
Degree.
22. multimedia interactions as claimed in claim 18 control device, it is characterised in that this is second years old
Predetermined condition comprises at least one of following condition:
The one second candidate's projection in a reference level surface parallel to the ground of this second candidate electronic installation
Position, is positioned at this target direction target pointed by a target projection direction in this reference level surface
In projection path；
Distance between this second candidate projected position and this target projection path is less than one first predetermined value；
This target projection path passes this second candidate display device of this second candidate electronic installation in this reference
A second display view field on horizontal plane；
This target projection path and a belt-like zone are pointed in this target projection direction, and this second candidate projects position
Setting in this belt-like zone, wherein, this belt-like zone is line and width centered by this target projection path
Degree is the twice of this first predetermined value；
A delta-shaped region is pointed in this target projection direction, and this second candidate projected position is positioned at this triangle
In region, wherein, this delta-shaped region centered by this target projection path line, fill with this reference electronic
Put the reference projection position in this reference level surface and be summit and drift angle is acute angle；
The 11st angle between this target projection direction and one first projecting direction is acute angle and is less than
One critical angle, wherein this first projecting direction is with this reference projection position as starting point, and this first projection
This second candidate projected position is pointed in direction；
The 12nd angle between this target projection direction and one second projecting direction be acute angle and this
11 angles are less than the 12nd angle, and wherein, this second projecting direction is with this reference projection position for rising
Point, and point to the 3rd in this reference level surface of one the 3rd electronic installation in the plurality of electronic installation
Projected position；
This reference electronic device is projected as a reference projection region in this reference level surface, and this second is waited
Selecting electronic installation to be projected as one second candidate view field in this reference level surface, this second candidate throws
Shadow position is positioned on this target projection path, and this target projection path this reference projection region with this
Section between two candidate view fields, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
Distance between this second candidate projected position and this target projection path is less than this first predetermined value,
And the section that this target projection path is between this reference projection region and this second candidate view field, no
Touch the projection in this reference level surface of other electronic installations in the plurality of electronic installation；
This target projection path passes this second candidate display device of this second candidate electronic installation in this reference
This second display view field on horizontal plane, and this target projection path this reference projection region with
Section between this second candidate view field, other electronics being not exposed in the plurality of electronic installation fill
Put the projection in this reference level surface；
The 13rd angle, and the 11st folder is formed between this first projecting direction and this second projecting direction
Angle is less than the half of the 13rd angle；
This reference level surface is cut into one first side with reference to straight line by the one second of this second projecting direction place
Region and one second side region, this first side region is pointed in this target projection direction, and this second candidate throws
Shadow position is positioned at this first side region；
The one benchmark pointing direction of this reference electronic device benchmark in this reference level surface points to projection
Direction, points to projecting direction both sides for axle toward this benchmark with this reference projection position and respectively rotates one first visual angle
Defining an aspect region, this benchmark points to projecting direction and this aspect region cuts into one the
Half side region and one the second half side region, this target projection direction points to this first half side region, and should
Second candidate's projected position is positioned at this first half side region；
This benchmark points to and forms 1 the 14th angle between projecting direction and this target projection direction, this first throwing
Shadow direction and this benchmark point to and form 1 the 15th angle between projecting direction, and the 14th angle and this
15 angles are smaller than this first visual angle；
One second candidate's pointing direction of one first back projection direction and this second candidate electronic installation is in this ginseng
Examine one second candidate on horizontal plane and point to formation 1 the 16th angle, the 14th angle between projecting direction
With the 15th angle less than this first visual angle, and the 16th angle is less than one second visual angle, wherein should
First back projection direction is with this second candidate projected position as starting point, and points to this reference projection position；With
And
This second candidate points to projecting direction with this second candidate projected position as axle, refers to toward this second candidate
Respectively rotate this second perspective definition to projecting direction both sides and go out one second candidate's field of view, this reference projection
Position is positioned in this second candidate field of view, and this first half side region is pointed in this target projection direction, and
This second candidate projected position is positioned at this first half side region.
23. multimedia interactions as claimed in claim 22 control device, it is characterised in that this is first years old
Visual angle is equal to this second visual angle.
24. multimedia interactions as claimed in claim 23 control device, it is characterised in that this is first years old
Predetermined condition comprises at least one of following condition:
What this first candidate electronic installation was positioned at pointed by this preferential direction one selectes on path；
Distance between position and this selected path of this first candidate electronic installation is less than one first pre-spacing
Distance values；
This selected path is through the optional position of one first display on this first candidate electronic installation；
This first candidate electronic installation is positioned at this place, selected path and perpendicular to the ground and selectes vertical
On face；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value；
This first candidate electronic installation is positioned at the cylindrical region pointed by this preferential direction, wherein, is somebody's turn to do
Cylindrical region is with this preferential direction as axle and radius is this first preset distance value；
This first candidate electronic installation is positioned at the taper region pointed by this preferential direction, wherein, is somebody's turn to do
Taper region is with this preferential direction as axle, with the position of this target image object, as summit and drift angle is sharp
Angle；
This preferential direction is parallel with reference to direction of displacement with one first, and this is first with reference to direction of displacement and one the
Between one reference direction one first with reference to angle be acute angle and less than one with reference to angle, wherein, this is the years old
One with reference to direction of displacement and this first reference direction all with the position of this source electronic installation as starting point, and should
First reference direction points to the position of this first candidate electronic installation；
This first with reference to one second between direction of displacement and one second reference direction with reference to angle be acute angle,
And this first reference angle is less than this second reference angle, wherein, this second reference direction is with this source electricity
The position of sub-device is starting point, and point in the plurality of electronic installation one comparison electronic installation position；
This first candidate electronic installation is positioned on this selected path, and this selected path is at this source electronics dress
Put other electronics that the section between this first candidate electronic installation is not exposed in the plurality of electronic installation
Device；
Distance between position and this selected path of this first candidate electronic installation is less than this first pre-spacing
Distance values, and the section that this selected path is between this source electronic installation and this first candidate electronic installation is not
Touch other electronic installations in the plurality of electronic installation；
This selected path is through this first display of this first candidate electronic installation, and this selected path exists
Section between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of electronic installation
In other electronic installations；
This first candidate electronic installation is positioned on this selected vertical at this place, selected path, and this is selected
Vertical region between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of
Other electronic installations in electronic installation；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value, and the district that this selected vertical is between this source electronic installation and this first candidate electronic installation
Territory is not exposed to other electronic installations in the plurality of electronic installation；
One the 3rd reference angle, and this first ginseng is formed between this first reference direction and this second reference direction
Examine the angle half less than the 3rd reference angle；
Space is cut into by this second reference direction place and perpendicular to the ground one second with reference to vertical
One first points to this first reference space with reference to space and one second reference space, this preferential direction, and should
First candidate's electronic installation is positioned at this first reference space；
One pointing direction place, source of this source electronic installation and perpendicular to the ground one source vertical,
One first reference viewing angle is respectively rotated toward these pointing direction both sides, source with the position of this source electronic installation for axle
Defining a space, visual angle, source, it is half side that this space, visual angle, source is cut into one first by this source vertical
Half side with one second with reference to space with reference to space, this preferential direction points to this first half side reference space, should
First candidate's electronic installation is positioned at that this is first half side with reference to space, and the 1 of this first candidate electronic installation the
One candidate's pointing direction place and one first candidate's vertical perpendicular to the ground, with this first candidate electricity
The position of sub-device is that axle respectively rotates one second reference viewing angle toward these the first candidate pointing direction both sides and defines
One first space, candidate visual angle, and this source electronic installation is positioned in this space, the first candidate visual angle；
Forming one the 4th reference angle between this source pointing direction and this first reference direction of displacement, this is first years old
Formed one the 5th with reference to angle between reference direction and this source pointing direction, the 4th with reference to angle and this
Five are less than this first reference viewing angle with reference to angle, and one first with reference to opposite direction and this first candidate electronic installation
This first candidate pointing direction between formed one the 6th with reference to angle, and the 6th with reference to angle less than this
Two reference viewing angle, wherein, this first with reference to opposite direction with the position of this first candidate electronic installation as starting point,
And point to the position of this source electronic installation；
One is formed between this first candidate pointing direction of one first direction of displacement and this first candidate electronic installation
7th with reference to angle, and the 4th is less than this first reference viewing angle with reference to angle and the 5th with reference to angle, and
7th is less than this second reference viewing angle with reference to angle, and wherein, this first direction of displacement is with this first candidate
The position of electronic installation is starting point, and parallel with this first reference direction；
This preferential direction points to that this is first half side with reference to space, this first candidate electronic installation be positioned at this first
In half side reference space, and the 7th is less than 90 degree with reference to angle；
The one first candidate's projection in a reference level surface parallel to the ground of this first candidate electronic installation
Position, be positioned at this preferential direction one in this reference level surface select pointed by projecting direction select
In projection path；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
One first display view field on face；
This selected projecting direction points to this selected projection path and a belt-like zone, and this first candidate projects position
Setting in this belt-like zone, wherein, this belt-like zone is line and width centered by this selected projection path
Degree is the twice of this first preset distance value；
This selected projecting direction points to a delta-shaped region, and this first candidate projected position is positioned at this triangle
In region, wherein, this delta-shaped region centered by this selected projection path line, with this target image thing
A part projected position in this reference level surface is summit and drift angle is acute angle；
This selected projecting direction and one first is sharp with reference to 1 the 11st reference angle between projecting direction
Angle and less than this reference angle, wherein, this first reference projecting direction with this source electronic installation at this
In reference level surface one source projected position be starting point, and this first with reference to projecting direction point to this first
Candidate's projected position；
This selected projecting direction and one second is sharp with reference to 1 the 12nd reference angle between projecting direction
Angle and the 11st is less than the 12nd reference angle, wherein, this second reference projection side with reference to angle
To with this source projected position as starting point, and this comparison electronic installation pointed in the plurality of electronic installation exists
A comparison projected position in this reference level surface；
This source electronic installation is projected as a source view field in this reference level surface, and this first is waited
Selecting electronic installation to be projected as one first candidate view field in this reference level surface, this first candidate throws
Shadow position is positioned in this selected projection path, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value, and the section that this selected projection path is between this source view field and this first candidate view field,
Other electronic installations being not exposed in the plurality of electronic installation projection in this reference level surface；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
This first display view field on face, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
The a 13rd reference angle is formed between this first reference projecting direction and this second reference projecting direction,
And the 11st with reference to angle less than the 13rd with reference to the half of angle；
This reference level surface second is cut into one the with reference to the one first of projecting direction place with reference to straight line by this
One reference zone and one second reference zone, this selected projecting direction points to this first reference zone, and should
First candidate's projected position is positioned at this first reference zone；
Projection is pointed in this source pointing direction of this source electronic installation a source in this reference level surface
Direction, points to projecting direction both sides with this source projected position for axle toward this source and respectively rotates this first reference
Perspective definition goes out a source field of view, and this source is pointed to projecting direction and this source field of view cut into
One first half side reference zone and one second half side reference zone, this selected projecting direction point to this first half
Side reference zone, this first candidate projected position is positioned at this first half side reference zone, this first candidate
This first candidate pointing direction of electronic installation one first candidate in this reference level surface points to projection side
To, with this first candidate projected position as axle, point to projecting direction both sides toward this first candidate and respectively rotate this
Second reference viewing angle defines one first candidate's field of view, and this source projected position is positioned at the first candidate
In field of view；
This source is pointed to and is formed 1 the 14th with reference to angle between projecting direction and this selected projecting direction, and this is the years old
One with reference to forming 1 the 15th reference angle between projecting direction and this source sensing projecting direction, and the 14th
With reference to angle and the 15th with reference to angle less than this first reference viewing angle, one first with reference to back projection direction
And this first candidate of this first candidate electronic installation points to and forms 1 the 16th between projecting direction with reference to folder
Angle, and the 16th reference angle is less than this second reference viewing angle, wherein, this first reference back projection side
To with this first candidate projected position as starting point, and point to this source projected position；
This first reference projecting direction points to projecting direction with this first candidate of this first candidate electronic installation
Between formed 1 the 17th with reference to angle, the 14th with reference to angle and the 15th with reference to angle less than this
One reference viewing angle, and the 17th reference angle is less than this second reference viewing angle；And
This selected projecting direction points to this first half side reference zone, this first candidate electronic installation this
One candidate's projected position is positioned at this first half side reference zone, and the 17th is less than 90 with reference to angle
Degree.
25. multimedia interactions as claimed in claim 18 control device, it is characterised in that this is first years old
Predetermined condition comprises at least one of following condition:
What this first candidate electronic installation was positioned at pointed by this preferential direction one selectes on path；
Distance between position and this selected path of this first candidate electronic installation is less than one first pre-spacing
Distance values；
This selected path is through the optional position of one first display on this first candidate electronic installation；
This first candidate electronic installation is positioned at this place, selected path and perpendicular to the ground and selectes vertical
On face；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value；
This first candidate electronic installation is positioned at the cylindrical region pointed by this preferential direction, wherein, is somebody's turn to do
Cylindrical region is with this preferential direction as axle and radius is this first preset distance value；
This first candidate electronic installation is positioned at the taper region pointed by this preferential direction, wherein, is somebody's turn to do
Taper region is with this preferential direction as axle, with the position of this target image object, as summit and drift angle is sharp
Angle；
This preferential direction is parallel with reference to direction of displacement with one first, and this is first with reference to direction of displacement and one the
Between one reference direction one first with reference to angle be acute angle and less than one with reference to angle, wherein, this is the years old
One with reference to direction of displacement and this first reference direction all with the position of this source electronic installation as starting point, and should
First reference direction points to the position of this first candidate electronic installation；
This first with reference to one second between direction of displacement and one second reference direction with reference to angle be acute angle,
And this first reference angle is less than this second reference angle, wherein, this second reference direction is with this source electricity
The position of sub-device is starting point, and point in the plurality of electronic installation one comparison electronic installation position；
This first candidate electronic installation is positioned on this selected path, and this selected path is at this source electronics dress
Put other electronics that the section between this first candidate electronic installation is not exposed in the plurality of electronic installation
Device；
Distance between position and this selected path of this first candidate electronic installation is less than this first pre-spacing
Distance values, and the section that this selected path is between this source electronic installation and this first candidate electronic installation is not
Touch other electronic installations in the plurality of electronic installation；
This selected path is through this first display of this first candidate electronic installation, and this selected path exists
Section between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of electronic installation
In other electronic installations；
This first candidate electronic installation is positioned on this selected vertical at this place, selected path, and this is selected
Vertical region between this source electronic installation and this first candidate electronic installation is not exposed to the plurality of
Other electronic installations in electronic installation；
Distance between position and this selected vertical of this first candidate electronic installation less than this first make a reservation for
Distance value, and the district that this selected vertical is between this source electronic installation and this first candidate electronic installation
Territory is not exposed to other electronic installations in the plurality of electronic installation；
One the 3rd reference angle, and this first ginseng is formed between this first reference direction and this second reference direction
Examine the angle half less than the 3rd reference angle；
Space is cut into by this second reference direction place and perpendicular to the ground one second with reference to vertical
One first points to this first reference space with reference to space and one second reference space, this preferential direction, and should
First candidate's electronic installation is positioned at this first reference space；
One pointing direction place, source of this source electronic installation and perpendicular to the ground one source vertical,
One first reference viewing angle is respectively rotated toward these pointing direction both sides, source with the position of this source electronic installation for axle
Defining a space, visual angle, source, it is half side that this space, visual angle, source is cut into one first by this source vertical
Half side with one second with reference to space with reference to space, this preferential direction points to this first half side reference space, should
First candidate's electronic installation is positioned at that this is first half side with reference to space, and the 1 of this first candidate electronic installation the
One candidate's pointing direction place and one first candidate's vertical perpendicular to the ground, with this first candidate electricity
The position of sub-device is that axle respectively rotates one second reference viewing angle toward these the first candidate pointing direction both sides and defines
One first space, candidate visual angle, and this source electronic installation is positioned in this space, the first candidate visual angle；
Forming one the 4th reference angle between this source pointing direction and this first reference direction of displacement, this is first years old
Formed one the 5th with reference to angle between reference direction and this source pointing direction, the 4th with reference to angle and this
Five are less than this first reference viewing angle with reference to angle, and one first with reference to opposite direction and this first candidate electronic installation
This first candidate pointing direction between formed one the 6th with reference to angle, and the 6th with reference to angle less than this
Two reference viewing angle, wherein, this first with reference to opposite direction with the position of this first candidate electronic installation as starting point,
And point to the position of this source electronic installation；
One is formed between this first candidate pointing direction of one first direction of displacement and this first candidate electronic installation
7th with reference to angle, and the 4th is less than this first reference viewing angle with reference to angle and the 5th with reference to angle, and
7th is less than this second reference viewing angle with reference to angle, and wherein, this first direction of displacement is with this first candidate
The position of electronic installation is starting point, and parallel with this first reference direction；
This preferential direction points to that this is first half side with reference to space, this first candidate electronic installation be positioned at this first
In half side reference space, and the 7th is less than 90 degree with reference to angle；
The one first candidate's projection in a reference level surface parallel to the ground of this first candidate electronic installation
Position, be positioned at this preferential direction one in this reference level surface select pointed by projecting direction select
In projection path；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
One first display view field on face；
This selected projecting direction points to this selected projection path and a belt-like zone, and this first candidate projects position
Setting in this belt-like zone, wherein, this belt-like zone is line and width centered by this selected projection path
Degree is the twice of this first preset distance value；
This selected projecting direction points to a delta-shaped region, and this first candidate projected position is positioned at this triangle
In region, wherein, this delta-shaped region centered by this selected projection path line, with this target image thing
A part projected position in this reference level surface is summit and drift angle is acute angle；
This selected projecting direction and one first is sharp with reference to 1 the 11st reference angle between projecting direction
Angle and less than this reference angle, wherein, this first reference projecting direction with this source electronic installation at this
In reference level surface one source projected position be starting point, and this first with reference to projecting direction point to this first
Candidate's projected position；
This selected projecting direction and one second is sharp with reference to 1 the 12nd reference angle between projecting direction
Angle and the 11st is less than the 12nd reference angle, wherein, this second reference projection side with reference to angle
To with this source projected position as starting point, and this comparison electronic installation pointed in the plurality of electronic installation exists
A comparison projected position in this reference level surface；
This source electronic installation is projected as a source view field in this reference level surface, and this first is waited
Selecting electronic installation to be projected as one first candidate view field in this reference level surface, this first candidate throws
Shadow position is positioned in this selected projection path, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
Distance between this first candidate projected position and this selected projection path is less than this first preset distance
Value, and the section that this selected projection path is between this source view field and this first candidate view field,
Other electronic installations being not exposed in the plurality of electronic installation projection in this reference level surface；
This selected projection path passes this first display of this first candidate electronic installation at these reference levels
This first display view field on face, and this selected projection path this source view field with this
Section between one candidate view field, other electronic installations being not exposed in the plurality of electronic installation exist
Projection in this reference level surface；
The a 13rd reference angle is formed between this first reference projecting direction and this second reference projecting direction,
And the 11st with reference to angle less than the 13rd with reference to the half of angle；
This reference level surface second is cut into one the with reference to the one first of projecting direction place with reference to straight line by this
One reference zone and one second reference zone, this selected projecting direction points to this first reference zone, and should
First candidate's projected position is positioned at this first reference zone；
Projection is pointed in this source pointing direction of this source electronic installation a source in this reference level surface
Direction, points to projecting direction both sides with this source projected position for axle toward this source and respectively rotates this first reference
Perspective definition goes out a source field of view, and this source is pointed to projecting direction and this source field of view cut into
One first half side reference zone and one second half side reference zone, this selected projecting direction point to this first half
Side reference zone, this first candidate projected position is positioned at this first half side reference zone, this first candidate
This first candidate pointing direction of electronic installation one first candidate in this reference level surface points to projection side
To, with this first candidate projected position as axle, point to projecting direction both sides toward this first candidate and respectively rotate this
Second reference viewing angle defines one first candidate's field of view, and this source projected position is positioned at the first candidate
In field of view；
This source is pointed to and is formed 1 the 14th with reference to angle between projecting direction and this selected projecting direction, and this is the years old
One with reference to forming 1 the 15th reference angle between projecting direction and this source sensing projecting direction, and the 14th
With reference to angle and the 15th with reference to angle less than this first reference viewing angle, one first with reference to back projection direction
And this first candidate of this first candidate electronic installation points to and forms 1 the 16th between projecting direction with reference to folder
Angle, and the 16th reference angle is less than this second reference viewing angle, wherein, this first reference back projection side
To with this first candidate projected position as starting point, and point to this source projected position；
This first reference projecting direction points to projecting direction with this first candidate of this first candidate electronic installation
Between formed 1 the 17th with reference to angle, the 14th with reference to angle and the 15th with reference to angle less than this
One reference viewing angle, and the 17th reference angle is less than this second reference viewing angle；And
This selected projecting direction points to this first half side reference zone, this first candidate electronic installation this
One candidate's projected position is positioned at this first half side reference zone, and the 17th is less than 90 with reference to angle
Degree.
26. multimedia interactions as claimed in claim 18 control device, it is characterised in that this target
Direction decision module determines that the running of this target direction comprises:
This control circuit is utilized to define parallel with this preferential direction, and with the position of this reference electronic device
The one second reference direction of displacement for starting point so that this second reference direction of displacement and this reference electronic device
A benchmark pointing direction between formed less than 180 degree one the 4th reference angle；And
Utilize this control circuit that the position of this reference electronic device is set to the starting point of this target direction, and make
One the 5th is formed with reference to angle between this target direction and this benchmark pointing direction；
Wherein, the 5th with reference to the supplementary angle that angle is the 4th reference angle.
27. multimedia interactions as claimed in claim 18 control device, it is characterised in that these many matchmakers
Body interactive control device additionally comprises:
One display module, be used for utilizing this control circuit by this source electronic installation, this reference electronic device,
With this second candidate electronic installation relative position in space, show the local at this source displayer
On region, and in this regional area, present the animation relevant with the motion of this target image object.
28. multimedia interactions as claimed in claim 27 control device, it is characterised in that this judgement
Module utilizes this control circuit according to the operation to this regional area of this user, calculates this preferential direction.
29. multimedia interactions as claimed in claim 18 control device, it is characterised in that this reception
Module utilize this telecommunication circuit from this position detecting circuit and the plurality of candidate's electronic installation at least within it
One, receive the information relevant with the position of this second candidate electronic installation and directivity.
30. multimedia interactions as claimed in claim 18 control device, it is characterised in that the plurality of
Electronic installation additionally comprises:
One forwarding electronic device, the instruction transmission medium being arranged as between the plurality of electronic installation and
Position and the transmission medium of directional information；
Wherein, this receiver module utilizes this telecommunication circuit to receive and this second candidate from this forwarding electronic device
The information that the position of electronic installation is relevant with directivity.
31. multimedia interactions as according to any one of claim 18～30 control device, its feature
Being, this receiver module utilizes this telecommunication circuit to receive this source electronic installation from this position detecting circuit
The position of one centre of form, and the position of this centre of form that this judge module utilizes this source electronic installation represents this
Electronic installation position in space, source.
32. multimedia interactions as according to any one of claim 18～30 control device, its feature
Being, this receiver module utilizes this telecommunication circuit to receive this source electronic installation from this position detecting circuit
The space coordinates of multiple transmission ends reference point, and this judge module utilizes this control circuit according to the plurality of biography
The spatial coordinates calculation of sending end reference point goes out the position of a centre of form of this source electronic installation, represents this
Source electronic installation position in space.
33. multimedia interactions as according to any one of claim 18～30 control device, its feature
Being, this receiver module utilizes this telecommunication circuit to receive this source electronic installation from this position detecting circuit
The space coordinates of multiple transmission ends reference point, and this judge module utilizes this control circuit according to the plurality of biography
The spatial coordinates calculation of sending end reference point goes out the position of a centre of form of this source displayer, represents this source
Electronic installation position in space.
34. multimedia interactions as according to any one of claim 18～30 control device, its feature
Being, this receiver module utilizes this telecommunication circuit to receive this source electronic installation from this position detecting circuit
The space coordinates of multiple transmission ends reference point, and this judge module utilizes this control circuit according to the plurality of biography
The space coordinates of sending end reference point, calculates one first multimedia interaction shown on this source displayer
The position of the central point of formula form, represents this source electronic installation position in space.
35. 1 kinds carry out matchmaker more than for controlling the source electronic installation in a multimedia interactive system
The method of body interaction running, this multimedia interactive system comprises a position detecting circuit and multiple electronics dress
Putting, the plurality of electronic installation comprises this source electronic installation and multiple candidate's electronic installations, this source electronics
Device comprises a control circuit, a telecommunication circuit and a source displayer, it is characterised in that the method
Comprise:
Utilize this telecommunication circuit, dynamically receive with wireless transmission method with the plurality of electronic installation in space
The respective location information relevant with directivity；
When a user indicates this source electronic installation by a target image object towards a preferential direction transmission
Time, if one first candidate's electronic installation in the plurality of candidate's electronic installation is with this preferential direction in space
Relative position sign unify the first predetermined condition, utilize this control circuit to select this first candidate electronic installation
As a reference electronic device；
This control circuit is utilized to determine a target side according to position and this preferential direction of this reference electronic device
To；
This control circuit is utilized to judge one second candidate's electronic installation in the plurality of candidate's electronic installation, with
Whether this target direction relative position in space meets one second predetermined condition；And
Only at the position of this second candidate electronic installation and this target direction relative position sign in space
In the case of closing this second predetermined condition, just utilize this telecommunication circuit by corresponding with this target image object
One target instruction target word sends this second candidate electronic installation to, makes this second candidate electronic installation according to this target
Instruction utilizes one second corresponding candidate display device to carry out the multimedia fortune corresponding with this target image object
Make.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101130868A TWI495329B (en) | 2012-03-02 | 2012-08-24 | Cross-platform multimedia interaction system with multiple displays and dynamically-configured hierarchical servers and related method, electronic device and computer program product |
| TW101130868 | 2012-08-24 | ||
| US201261718182P | 2012-10-24 | 2012-10-24 | |
| US61/718,182 | 2012-10-24 | ||
| TW101149212A TWI485576B (en) | 2012-03-02 | 2012-12-21 | Multimedia interaction system and related computer program product capable of avoiding unexpected interaction behavior |
| TW101149212 | 2012-12-21 |
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| Publication Number | Publication Date |
|---|---|
| CN103631372A CN103631372A (en) | 2014-03-12 |
| CN103631372B true CN103631372B (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310288938.3A Active CN103631372B (en) | 2012-08-24 | 2013-07-10 | Multimedia interaction system and related device and method |
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| CN (1) | CN103631372B (en) |
| TW (1) | TWI499935B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI622896B (en) * | 2015-12-23 | 2018-05-01 | 絡達科技股份有限公司 | Electric device responsive to external audio information |
| CN108762642A (en) * | 2018-05-31 | 2018-11-06 | 南昌华勤电子科技有限公司 | Screen control method and intelligent terminal |
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| CN102257830A (en) * | 2008-12-17 | 2011-11-23 | 索尼电脑娱乐公司 | Tracking system calibration with minimal user input |
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| US20020036617A1 (en) * | 1998-08-21 | 2002-03-28 | Timothy R. Pryor | Novel man machine interfaces and applications |
| JP4054585B2 (en) * | 2002-02-18 | 2008-02-27 | キヤノン株式会社 | Information processing apparatus and method |
| US20070190494A1 (en) * | 2005-04-04 | 2007-08-16 | Outland Research, Llc | Multiplayer gaming using gps-enabled portable gaming devices |
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