CN103543820B - Method and system for wireless interactive projection - Google Patents
Method and system for wireless interactive projection Download PDFInfo
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- CN103543820B CN103543820B CN201210237923.XA CN201210237923A CN103543820B CN 103543820 B CN103543820 B CN 103543820B CN 201210237923 A CN201210237923 A CN 201210237923A CN 103543820 B CN103543820 B CN 103543820B
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Abstract
The invention provides a method and system for wireless interactive projection. The system for wireless interactive projection comprises a plurality of control units, a wireless interactive projection unit in wireless connection with the control units, a pointing unit and a wireless projection judgment unit assembled in the wireless interactive projection unit. The wireless interactive projection unit projects display images of the control units on an image display area composed of a plurality of segmented windows. The segmented windows correspond to the display images of the control units respectively and display the display images of the control units respectively. Each corresponding component is controlled by the pointing unit to point to a projection position coordinate and execute an operation order in the image display area. The wireless interactive projection unit receives each projection coordinate and each operation order and transmits each projection coordinate and each operation order to the wireless projection judgment unit. The wireless projection judgment unit calculates an actual position coordinate of the corresponding control unit through each projection position coordinate and transmits each actual position coordinate to the corresponding control unit. By the adoption of the method and system for wireless interactive projection, a user can conveniently and efficiently utilize interactive projection and apply interactive projection to different applications.
Description
Technical field
The invention belongs to areas of information technology, are related to a kind of interactive projecting method and system, and in particular to Yi Zhongwu
The interactive projecting method of line and system.
Background technology
Projection arrangement collocation wireless technology can form wireless display device, to reach more preferably digital device (for example, electricity
The devices such as brain, mobile phone) picture sharing function.And user is when picture is shared, without using any connecting line (video figure
Shape array (Video Graphics Array, VGA) transmission line, high-definition multimedia interface (High-Definition
Multimedia Interface, HDMI) transmission line etc.), as long as by wireless display technology collocation wireless display software, and
It is wirelessly transferred in allowed band, can makees the picture sharing function of wireless display, the elasticity that user picture is shared can be increased
With convenience.
In wireless display software design, many people's lines, multiple user pictures are provided with while the function of sharing, for example
The scialyscope S5201M of Acer provides wireless display function.As long as user all may be selected with the user on scialyscope line to draw
The mode that face is shared, for example, certain during scialyscope picture is set as into full screen projected picture or segmentation projected picture is specific
Region.Fig. 1 for Acer wireless projector function pages schematic diagram, as shown in figure 1, user may be selected set display picture as
Full screen projected picture 101, or segmentation projected picture 102.
Segmentation projected picture function under, at most can provide simultaneously four user by the picture of digital device share to
On wireless projector.Fig. 2 is the schematic diagram for showing the four segmentation projected pictures that Acer wireless projectors are projected.As shown in Fig. 2
Can reach with the function of this segmentation projected picture mutually discuss and share, and more can improve during group discusses,
User exchanges each other transmission line to share the not convenient property of picture.
Additionally, wireless projector can also be applied in digital studying field, in order to improve student learning effect, increase
Scholastic motivation, the teaching method of teacher can adopt the teaching method of " Cooperative Study (Team Teaching) ", for example, learning
While raw group discussion, the answer of each group is presented on dais simultaneously, teacher enters again for the answer of each group
Row is answered and corrected.Based under this teaching method, teacher can be using interactive scialyscope and plus wireless projector function, its
Result is presented as shown in Figure 3 with teaching method.Fig. 3 is that the projected picture for showing Cooperative Study collocation radio mutual action type scialyscope shows
It is intended to.Upper left corner picture 201 is the question screen of teacher in figure, and 202 ~ 204, remaining picture is the answer pictures of student.
In the mode of Cooperative Study, exactly promote study by being compared to each other modification.However, in this teaching method
Under framework, although multiple pictures can be reached using radio mutual action type scialyscope while the function of sharing, teacher also can the same time
See the answer-mode of each problem of student.But, between the digital device of student and teacher, and it is unable to reach cross-device operation
Mechanism, as shown in figure 3, classmate's answer of only picture 202 be to, other solutions of two students in picture 203 and 204
Answer as mistake, the answer that teacher must at once in corrigendum picture 203 and 204, but teacher may only be in the digital device of oneself
Display picture 201 in control mouse movement and keyboard operation, it is impossible to cross over, control and operate the number in student side immediately
Word device, with the answer corrected in student's display picture that helps, allows students to promote learning effect.
Therefore, if by using interactive scialyscope and the function of wireless display system can be allowed to project dress simultaneously many
Cross-platform operation is reached between putting, then can be improved and the convenience shared mutually is discussed.Further apply to many devices to share
With across a group discussion, the cordiality that interactive scialyscope is used is lifted, also allowing for user can do more selection and utilization.
The content of the invention
The present invention provides a kind of radio mutual action type projecting method and system.
A kind of radio mutual action type optical projection system that the present invention is provided, including multiple control units；One radio mutual action type is projected
Unit, is wirelessly connected to multiple control units such as this, projects the display picture of multiple control units such as this in an image viewing area
In, and the image viewing area is made up of multiple window splits, wherein multiple window splits such as this are corresponded to respectively and show this
Etc. the display picture of multiple control units；One points to unit, and one counter element of control points to a projection in the image viewing area
Position coordinateses simultaneously perform an operational order；And a wireless display judging unit, in being configured at the radio mutual action type projecting cell；
Wherein, the radio mutual action type projecting cell is received after the projected position coordinate and the operational order, and the wireless display judges single
Unit finds out a corresponding control unit by the projected position coordinate, and the projected position coordinate that converts is single for the corresponding control
One actual position coordinate of unit, and the actual position coordinate and the operational order are sent to into the corresponding control unit.
A kind of radio mutual action type optical projection system that the present invention is provided, including multiple control units；One radio mutual action type is projected
Unit, is wirelessly connected to multiple control units such as this, projects the display picture of multiple control units such as this in an image viewing area
In, and the image viewing area is made up of multiple window splits, wherein multiple window splits such as this are corresponded to respectively and show this
Etc. the display picture of multiple control units；One points to unit, and one counter element of control points to a projection in the image viewing area
Position coordinateses simultaneously perform an operational order；And multiple wireless display judging units, it is respectively arranged at multiple control units such as this
In；Wherein, the radio mutual action type projecting cell is received after the projected position coordinate and the operational order, and the projected position is sat
Mark and the operational order are sent to multiple control units such as this；The wireless display judging unit such as this projected position coordinate that converts is
One actual position coordinate；Control unit corresponding to belonging to the actual position coordinate one controls counter element in the physical location
Coordinate performs the operational order.
The method of a kind of interactive projection that the present invention is provided, in a radio mutual action type optical projection system, this to be wireless mutually
Dynamic formula optical projection system includes that multiple control units, a radio mutual action type projecting cell, one point to unit and wireless display judgement
Unit, wherein the wireless display judging unit are configured in the radio mutual action type projecting cell；The method includes：It is wireless by this
Interactive projection unit projects this etc. multiple control units display picture in an image viewing area, and the image viewing area is
It is made up of multiple window splits, wherein multiple window splits such as this correspond to respectively and show the display of multiple control units such as this
Picture；
A counter element is controlled by the sensing unit projected position coordinate to be pointed in the image viewing area and is performed
One operational order；The projected position coordinate and the operational order are received by the radio mutual action type projecting cell；By the wireless throwing
Shadow judging unit finds out a corresponding control unit, and the projected position coordinate that converts for the correspondence using the projected position coordinate
Control unit an actual position coordinate；And the actual position coordinate is sent to into the corresponding control unit.
The method of a kind of interactive projection that the present invention is provided, in a radio mutual action type optical projection system, this to be wireless mutually
Dynamic formula optical projection system includes multiple control units, a radio mutual action type projecting cell and a sensing unit；Plurality of wireless throwing
Shadow judging unit is respectively arranged in multiple control units such as this；The method includes：Thrown by the radio mutual action type projecting cell
Shadow this etc. multiple control units display picture in an image viewing area, and the image viewing area is by multiple window split institutes
Composition, wherein multiple window splits such as this correspond to respectively and show the display picture of multiple control units such as this；By the sensing
Unit controls a counter element and a projected position coordinate is pointed in the image viewing area and an operational order is performed；And pass through
The radio mutual action type projecting cell is received after the projected position coordinate and the operational order and by projected position coordinate and the operation
Instruct multiple control units such as this；The projected position coordinate is converted for physical location seat by the wireless display judging unit such as this
Mark；And counter element is controlled in the actual position coordinate by the control unit corresponding to belonging to the actual position coordinate
Perform the operational order.
By the radio mutual action type projecting method and system of the present invention, can reach using interactive scialyscope and wireless throwing
Under the function of shadow, solve in many cross-platform operations simultaneously between the device of projection.User can be more convenient and more effectively
The interactive projection of utilization of rate is simultaneously used in different applications.
Description of the drawings
Fig. 1 is the schematic diagram of Acer wireless projector function pages.
Fig. 2 is the schematic diagram for showing the four segmentation projected pictures that Acer wireless projectors are projected.
Fig. 3 is the projected picture schematic diagram for showing Cooperative Study collocation radio mutual action type scialyscope.
Fig. 4 is the Organization Chart of the radio mutual action type optical projection system for showing a foundation embodiment of the present invention.
Fig. 5 is the system environmentss configuration schematic diagram for showing a foundation first embodiment of the invention.
Fig. 6 be displayed in radio mutual action type projecting cell wireless display judging unit process transmission mouse position coordinate and
Operational order receives and changes the schematic diagram of mouse position coordinate and operational order with corresponding control unit.
Fig. 7 is the system environmentss configuration schematic diagram for showing a foundation second embodiment of the invention.
Fig. 8 is to show that the partitioning scheme of wireless display image viewing area is numbered with control unit.
Fig. 9 is displayed at the schematic diagram that radio mutual action type projecting cell in control unit end processes coordinate operation signal.
Figure 10 is the utilization wireless USB device for showing a foundation third embodiment of the invention in radio mutual action type optical projection system
Device architecture schematic diagram.
Figure 11 A are to show that the wireless display in radio mutual action type projecting cell that is configured at according to a first embodiment of the present invention is sentenced
The flow chart of disconnected unit.
Figure 11 B are the flow charts for showing corresponding control unit according to a first embodiment of the present invention.
Figure 12 A are to show that the wireless display in radio mutual action type projecting cell that is configured at according to a second embodiment of the present invention is sentenced
The flow chart of disconnected unit.
Figure 12 B are the flow charts for showing corresponding control unit according to a first embodiment of the present invention.
Figure 13 A are to show that the Wireless USB in radio mutual action type projecting cell that is installed on according to a third embodiment of the present invention is sent out
Send the flow chart of device (Tx).
Figure 13 B are the corresponding control for showing installation Wireless USB receptor (Rx) according to a third embodiment of the present invention
The flow chart of unit.
Main element symbol description：
101～full screen projected picture；
102～segmentation projected picture；
201 ~ 204～display picture；
300～radio mutual action type optical projection system；
310 ~ 340～control unit；
350～radio mutual action type projecting cell；
360～point to unit；
380～image viewing area；
381 ~ 384～window split；
390～projected position coordinate；
S401 ~ S407～step；
S501 ~ S504～step；
S601 ~ S605～step；
S701 ~ S702～step；
S801 ~ S805～step；
S901 ~ S903～step.
Specific embodiment
In order to the purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate
Appended diagram Fig. 4 to Figure 13 B, is described in detail.Description of the invention provides different embodiments to illustrate difference of the invention
The technical characteristic of embodiment.Wherein, the configuration of each element in embodiment is for purposes of discussion, and to be not used to limit this
It is bright.And the part of picture label is repeated in embodiment, is the association being not meant as between different embodiments for the purpose of simplifying the description
Property.
A. system architecture
Fig. 4 is the Organization Chart of the radio mutual action type optical projection system 300 for showing a foundation embodiment of the present invention.This system
300 include multiple control units (control unit 310, control unit 320, control unit 330 and control unit 340), wireless
Interactive projecting cell 350, a wireless display judging unit (figure is not marked), one point to unit 360.As illustrated, wireless mutual
Dynamic formula projecting cell 350 is wirelessly connected to control unit 310 ~ 340, and the display picture of control unit 310 ~ 340 is projected on
In one image viewing area 380.And the image viewing area 380 is made up of multiple window splits 381 ~ 384, window split 381 ~
384 respectively correspond to and display control unit 310 ~ 340 display picture.
One user can control a counter element and a throwing is pointed in the image viewing area 380 by a sensing unit 360
Shadow position coordinateses 390 simultaneously perform an operational order to control control unit 310 ~ 340.Above-mentioned counter element is illustrated but is not limited to
In a, mouse cursor or a graphical user interface (Graphics User Interface, GUI).The radio mutual action type is thrown
Shadow unit 350 is received after the operational order, sends projected position coordinate 390 to wireless display judging unit.Wireless display
Judging unit judges corresponding control unit by the projected position coordinate 390 in image viewing area 380, and by projected position
The actual position coordinate that coordinate 390 is changed into corresponding control unit display picture is single to control the corresponding control
Counter element in unit.In another embodiment, point to unit can for a radium-shine light emitting devices, an infrared induction device,
The device such as one interactive white board pen (Interactive Whiteboard) or a USB wireless mouses.
It should be noted that wireless display judging unit is configured in radio mutual action type projecting cell 350 or difference
In being configured at all control units 310 ~ 340.Therefore, in the following description, it is classified into two parts explanation wireless display to judge
Mode of operation of the unit in different configurations.
[wireless display judging unit is configured at the mode of operation of radio mutual action type projecting cell]
This mode of operation is that the operation across control unit is realized using wireless display judging unit, and need not increase volume
Outer hardware support, it is only necessary to change wireless display judging unit and may achieve.Fig. 5 is to show one according to first embodiment of the invention
System environmentss configuration schematic diagram, and refer to Fig. 4.In this first embodiment, wireless display judging unit is arranged in this
In radio mutual action type projecting cell 350.As shown in figure 5, all control units 310 ~ 340 can transmit respective display picture to nothing
The interactive projecting cell 350 (dotted arrow) of line.And be configured at the wireless display in radio mutual action type projecting cell 350 and judge single
Unit points to a projected position coordinate 390 in the image viewing area 380 and finds out by the counter element that sensing unit 360 is controlled
One corresponding control unit 320, and the actual position coordinate that the projected position coordinate is the corresponding control unit that converts.Again
The actual position coordinate and the operational order are sent to into the corresponding control unit 320 (solid arrow).
In this first embodiment, it is that position coordinateses and operational order are designed in wireless display judging unit, and transports
With the control device Application Program Interface provided in control unit end operating system (Operating System, OS) system
(Application Programming Interface, API) to control control unit in counter element.
Concrete example but it is not limited to for ground, in Windows, is provided with that the mouse of mouse action can be controlled
The Application Program Interface of event, it is as shown in table 1 below：
The mouse control of table 1 is operated
According to the mouse control Application Program Interface that Windows systems are provided, can set up and be exclusively used in wireless display and sentence
The mouse position coordinate operational order structure set of disconnected unit, is sentenced with simplifying transmission mouse position coordinate operational order in wireless display
Complexity between disconnected unit and control unit, it instructs field concrete example but is not limited to as shown in list below 2：
The mouse position coordinate operational order structure set of table 2
Mouse position coordinate operational order structure set, special in wireless display judging unit with reference to defined in this table 2
Mouse position coordinate operational order can simplify but be not limited to the mode of Command=(Event, Key, Pos_X, Pos_Y),
384) and taking pulse by one finger left button for example, to mobile mouse cursor position to coordinate, (683, wireless display judging unit will transmit mouse
The instruction of coordinate operation signal for Command=(0,0,683,384), Command=(1,1,0,0) and Command=(2,1,
0,0) to control unit.And in control unit by according to the instruction that received and with reference to the mouse position coordinate operational order collection of table 2,
The Application Program Interface used under to change operating system controls mouse.
Fig. 6 be displayed in radio mutual action type projecting cell wireless display judging unit process transmission mouse position coordinate and
Operational order receives and changes the schematic diagram of mouse position coordinate and operational order with corresponding control unit.As shown in Figure 6.Its
Used in person by point to unit 360 control a counter element in radio mutual action type projecting cell 350 position coordinateses (768,
192) action of a taking pulse by one finger mouse is performed.The action that note that above-mentioned taking pulse by one finger mouse is to carry out structure with mouse is decontroled to press mouse
Into taking pulse by one finger action once.Wireless display judging unit judges this position coordinates (768,192) positioned at interactive projecting cell 350
In upper right corner window split 382, corresponding to the display picture of control unit 320, further according to control unit 320 resolution by shadow
As the mouse cursor coordinate that position coordinateses (768,192) in viewing area 380 are converted in control unit 320 is (683,384).Connect
, in radio mutual action type projecting cell 350 (Tx) wireless display judging unit by mouse coordinates operational order Command=(0,
0,683,384), Command=(1,1,0,0) and Command=(2,1,0,0) are sent to control unit 320.Control unit
320 (Rx) are received after mouse position coordinate operational order, then mouse position coordinate operational order is converted under operating system
The Application Program Interface for being used is to control mouse.
Above-described implementation, must by being configured at radio mutual action type projecting cell in wireless display judging unit
Position coordinateses and operational order to carry out pointing to unit are calculated.When more control units connect in radio mutual action type projecting cell
When, to be judged and the complexity of DR position coordinate and operational order all will be significantly increased.In order to avoid wireless interactive throwing
Shadow unit is probably due to processing operation signal and affecting the running of normal system, in another embodiment, wireless display judges single
Unit is configured in radio mutual action type projecting cell 350 and all control units 310 ~ 340, and the operation for pointing to unit 360 refers to
Order and position coordinateses 390 are then by the wireless display judging unit in control unit 310 ~ 340 come computing.Therefore, can be by control
The high system effectiveness of unit side processed is mitigating the burden of radio mutual action type projecting cell.Its detail is real by below second
Apply example to be described.
[wireless display judging unit is configured at the mode of operation of radio mutual action type projecting cell and control unit]
The maximum discrepancy in this part is that radio mutual action type projecting cell is receiving sensing unit by interaction mechanism
After the projected position coordinate for being transmitted and operational order, directly by the projected position coordinate and operational order of wireless display unit side
It is transmitted directly to all control units.Control unit is received after projected position coordinate and operational order, and by the projection position
Put coordinate and operational order to operate corresponding action and instruction.
Fig. 7 is to show the system environmentss configuration schematic diagram of a foundation second embodiment of the invention, and refer to Fig. 4.Here
In second embodiment, multiple wireless display judging units are respectively arranged in all control units 310 ~ 340.As shown in fig. 7,
All control units 310 ~ 340 can transmit respective display picture to radio mutual action type projecting cell 350 (dotted arrow 501),
And radio mutual action type projecting cell 350 can point to unit 360 and control a counter element and point in the image viewing area 380
Projected position coordinate, and point to unit 360 performed by operational order be sent to (the solid line arrow of all control units 310 ~ 340
402).
In this second embodiment, concrete example but be not limited to the end of radio mutual action type projecting cell 350 (Tx) projection position
The signal for putting coordinate is included：
A. the partitioning scheme of wireless display image viewing area
B. the numbering of control unit
C. the resolution of image viewing area picture
D. position coordinateses of control unit.
Wherein the partitioning scheme of signal a. wireless displays image viewing area will be according to mutual in radio mutual action type projecting cell 350
The split-run of mechanism software design includes four segmentations (A4), horizontal two way classification (H2), vertical two way classification (V2) etc. designing
Partitioning scheme.The numbering of signal b. control units be inform the control unit 310 ~ 340 of radio mutual action type projecting cell 350 its
The Position Number of display picture discharge, its partitioning scheme is as shown in Figure 8 with control unit numbering.Remaining signal c. images viewing area
The resolution of picture is essential signal under interaction mechanism with the position coordinateses of signal d. control units.The skill of this area
Art personnel can understand, in this and be not required to explain more.
In this second embodiment, based on the design concept of this signal a, b, c, d, corresponding instruction (command) row
Table is as shown in table 3 below：
The instruction list of table 3
| a | b | c_x | c_y | d_x | d_y |
| Partitioning scheme | Control unit is numbered | Resolution x | Resolution y | Coordinate x | Coordinate y |
Fig. 9 is displayed at the signal of radio mutual action type projecting cell processing position coordinate operational order in control unit end
Figure.If as shown in figure 9, this operational order is sent to into the control corresponding to upper right corner divided frame 382 in image viewing area 380
Unit 320, its instruction is as follows：
command(A4,2,1024,768,768,192)。
Note that in this second embodiment, radio mutual action type projecting cell end is not aware that in transfer operation signal
The actual control unit to be controlled, is only sent to its interactive operation instruction all radio mutual action types that are just being connected to and projects merely
The control unit 310 ~ 340 of unit, and the operational order is performed by the wireless display judging unit in control unit 310 ~ 340,
The operational order of its transmission is as shown in Figure 9.In this second embodiment, each control unit 310 ~ 340 receives operational order
Afterwards, by each conversion partitioning scheme and the projected position coordinate being located, and calculate for actual institute in control unit display picture
The actual position coordinate to be controlled.Concrete example but it is not limited to, if the operational order of the transmission of radio mutual action type projecting cell 350
For command, (A4,2,1024,768,768,192), all control units 310 ~ 340 are received after the operational order, are extrapolated
The actual position coordinate in control unit display picture is actually controlled in the operational order.Finally, then only partitioning scheme
The control unit 320 of correspondence control unit numbering 2 can just control its counter element in A4（For example, mouse cursor）.Remaining correspondence
The control unit 310,330 and 340 of control unit numbering 1,3 and 4 will not further perform the action of counter element.
[utilizing wireless USB device]
Additionally, under the framework of first embodiment, it is possible to use the hardware structure of Wireless USB is realized out in radio mutual action type
Across the operation mechanism of control unit in optical projection system.USB wireless mouses general at present, are by pairing using RF2.4GHz
Concept, RF transmitters (Tx) are positioned on USB wireless mouse apparatus, and the USB reception devices of RF receptors (Rx) then device
In radio mutual action type projecting cell.During this RF transmission and receiving operation signal, RF transmitters (Tx) are in transfer operation
The device code of identification is added in signal, RF receptors (Rx) can be distinguished and this special RF signal is received.Finally, wireless interactive
RF signals are decoded into specific USB HID device control signals by the wireless display judging unit in formula projecting cell again, to
The corresponding control unit of manipulation.
Based on this using the hardware structure concept of wireless USB device, the special transmitter (Tx) of a Wireless USB can be used
In radio mutual action type projecting cell, and using the special receptor (Rx) of four Wireless USBs in four control units.Cause
This, needs four groups of special pairing signals, by the auxiliary of wireless display judging unit, learns the control unit to be controlled,
And then corresponding RF signals are sent to corresponding receptor.This wireless USB device need to include a transmitter and four receptors,
Constitute a device group, it is necessary to which collocation uses the manipulation mechanism that can just reach cross-device.
Figure 10 is the utilization wireless USB device for showing a foundation third embodiment of the invention in radio mutual action type optical projection system
Device architecture schematic diagram.As shown in Figure 10.The mode of the pairing of the RF devices of transmitter (Tx) and receptor (Rx), Ke Yitong
Cross wireless display judging unit to aid in and realize.When RF receptors (Rx) are connected by USB interface with control unit, due to
Receptor (Rx) is wireless USB device, therefore can learn the device code of Wireless USB.Device is using wireless display judging unit
And while projected picture, can in the lump send this wireless USB device information to receptor (Rx).By this kind of mode, nothing
Line projection's judging unit can determine whether which position coordinates which specific RF signal must should be correspondingly used in.
In another embodiment, USB transmission mode can be pointBlank technologies, infrared induction or the hardware electric capacity of TI
Formula induction technology is reached.
B. flow process and method explanation
Figure 11 A are to show that the wireless display in radio mutual action type projecting cell that is configured at according to a first embodiment of the present invention is sentenced
The flow chart of disconnected unit, and coordinate with reference to Fig. 4 ~ 6.First, in step S401, radio mutual action type projecting cell is thrown
In an image viewing area, wherein the image viewing area is by multiple window split institutes group to the display picture of the multiple control units of shadow
Into, and multiple window splits correspond to respectively and show the display picture of multiple control units.In step S402, a user makes
A counter element is controlled in image viewing area with a sensing unit to point to a projected position coordinate and perform an operational order.
In step S403, radio mutual action type projecting cell is received and points to operational order and the projection that unit is returned by interaction mechanism
Position coordinateses.In step s 404, found out and sentenced by the wireless display judging unit being configured in radio mutual action type projecting cell
Control unit corresponding to breaking.Then, in step S405, wireless display judging unit passes through the projected position coordinate transformation institute
One actual position coordinate of corresponding control unit.In step S406, wireless display judging unit by projected position coordinate and
Operational order is compiled as easy operational order.Finally, in step S 407, the easy operation of wireless display judging unit transmission
Instruct to corresponding control unit.
Figure 11 B are the flow charts for showing corresponding control unit according to a first embodiment of the present invention, and
Coordinate and refer to Fig. 4 ~ 6.First, in step S501, corresponding control unit receives wireless display judging unit by interaction
The easy operational order that mechanism is transmitted.In step S502, corresponding control unit interpretation wireless display judging unit
The ease of Use instruction for being transmitted.Then, in step S503, corresponding control unit produces control correspondence in operating system
The Application Program Interface instruction of element.Finally, in step S504, counter element is in the reality in the corresponding control unit of control
Border position coordinateses perform operational order.
Figure 12 A are to show that the wireless display in radio mutual action type projecting cell that is configured at according to a second embodiment of the present invention is sentenced
The flow chart of disconnected unit, and coordinate with reference to Fig. 4,7 ~ 9.First, in step s 601, radio mutual action type projecting cell
The display picture of multiple control units is projected in an image viewing area, wherein the image viewing area is by multiple window split institutes
Composition, and multiple window splits correspond to respectively and show the display picture of all control units.In step S602, a user
A counter element is controlled in image viewing area using a sensing unit to point to a projected position coordinate and perform an operational order.
In step S603, radio mutual action type projecting cell is received and points to the operational order that unit is returned by interaction mechanism.Then,
In step s 604, projected position coordinate and operational order are sent to all control units by radio mutual action type projecting cell.
Figure 12 B are the flow charts for showing corresponding control unit according to a second embodiment of the present invention, and
Coordinate with reference to Fig. 4,7 ~ 9.First, in step s 701, all control units receive radio mutual action type projecting cell by interaction
Projected position coordinate and operational order that mechanism is transmitted.Next, the wireless throwing in step S702, in all control units
Shadow judging unit extrapolates the actual actual position coordinate to be controlled in control unit display picture, and performs the operation letter
Number instruction.
Figure 13 A are to show that the Wireless USB in radio mutual action type projecting cell that is installed on according to a third embodiment of the present invention is sent out
The flow chart of device (Tx) is sent, and is coordinated and is referred to Figure 10.First, in step S801, radio mutual action type projecting cell
The display picture of multiple control units is projected in an image viewing area, wherein the image viewing area is by multiple window split institutes
Composition, and multiple window splits correspond to respectively and show the display picture of multiple control units.In step S802, a user
Unit is pointed to using a Wireless USB counter element one projected position coordinate of sensing is controlled in image viewing area and a behaviour is performed
Instruct.In step S803, it is installed on Wireless USB transmitter (Tx) in radio mutual action type projecting cell and is connect by interaction mechanism
Receive projected position coordinate and operational order that Wireless USB indicator device is transmitted.Then, in step S804, radio mutual action type
Wireless display judging unit distinguishes corresponding control unit in projecting cell, and adds the device code of identification in operation signal
Become specific RF signals.Finally, in step S805, it is right that Wireless USB transmitter (Tx) transmits the specific RF signals extremely institute
The control unit answered.
Figure 13 B are the corresponding control for showing installation Wireless USB receptor (Rx) according to a third embodiment of the present invention
The flow chart of unit, and coordinate and refer to Figure 10.First, in step S901, corresponding control unit it is wireless
USB receiver (Rx) receives the specific RF signals that Wireless USB transmitter (Tx) is transmitted.It is corresponding in step S902
Control unit interpret the specific RF signals for an actual position coordinate and operational order.Finally, in step S903, control
Counter element in corresponding control unit performs operational order in an actual position coordinate.
Therefore, by the present invention radio mutual action type projecting method and system, can reach using interactive scialyscope with
Under the function of wireless display, solve in many cross-platform operations simultaneously between the device of projection.User can be more convenient and
The interactive projection of utilization more efficiently and with different applications.
Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, any this area
Technical staff, without departing from the spirit and scope of the present invention, when a little change and modification, therefore the protection model of the present invention can be made
Enclose to work as and be defined by defining for claims.
Claims (8)
1. a kind of radio mutual action type optical projection system for realizing simultaneously cross-platform operation between the device of projection, including
Multiple control units；
One radio mutual action type projecting cell, is wirelessly connected to multiple control units such as this, projects the aobvious of multiple control units such as this
Show picture in an image viewing area, and the image viewing area is made up of multiple window splits, wherein multiple segmentations such as this are regarded
Window corresponds to respectively and shows the display picture of multiple control units such as this；
One points to unit, and one counter element of control points to a projected position coordinate in the image viewing area and performs an operation and refers to
Order；And
One wireless display judging unit, in being configured at the radio mutual action type projecting cell；
Wherein, the radio mutual action type projecting cell is received after the projected position coordinate and the operational order, and the wireless display is sentenced
Disconnected unit finds out a corresponding control unit, and the projected position coordinate that converts for the corresponding control by the projected position coordinate
One actual position coordinate of unit processed, and the actual position coordinate and the operational order are sent to into the corresponding control unit；
The counter element of the corresponding control unit performs the operational order in the actual position coordinate.
2. radio mutual action type optical projection system as claimed in claim 1, it is characterised in that the sensing unit is laser light transmitting
Device, an infrared induction device, an interactive white board pen or a USB wireless mouses.
3. a kind of radio mutual action type optical projection system for realizing simultaneously cross-platform operation between the device of projection, including
Multiple control units；
One radio mutual action type projecting cell, is wirelessly connected to multiple control units such as this, projects the aobvious of multiple control units such as this
Show picture in an image viewing area, and the image viewing area is made up of multiple window splits, wherein multiple segmentations such as this are regarded
Window corresponds to respectively and shows the display picture of multiple control units such as this；
One points to unit, and one counter element of control points to a projected position coordinate in the image viewing area and performs an operation and refers to
Order；And
Multiple wireless display judging units, in being respectively arranged at multiple control units such as this；
Wherein, the radio mutual action type projecting cell is received after the projected position coordinate and the operational order, by the projected position
Coordinate and the operational order are sent to multiple control units such as this；The wireless display judging unit such as this converts the projected position coordinate
For an actual position coordinate；Control unit corresponding to belonging to the actual position coordinate one controls counter element in the actual bit
Put coordinate and perform the operational order.
4. radio mutual action type optical projection system as claimed in claim 3, it is characterised in that the sensing unit is the wireless Mus of a USB
Mark.
5. a kind of method for realizing the interactive projection of cross-platform operation between the device of projection simultaneously, throws for a radio mutual action type
In shadow system, the radio mutual action type optical projection system includes that multiple control units, a radio mutual action type projecting cell, one point to unit
And a wireless display judging unit, the wherein wireless display judging unit is configured in the radio mutual action type projecting cell；The party
Method includes：
By the radio mutual action type projection unit projects this etc. multiple control units display picture in an image viewing area, and
The image viewing area is made up of multiple window splits, and wherein multiple window splits such as this correspond to respectively and show multiple controls such as this
The display picture of unit processed；
A counter element is controlled by the sensing unit projected position coordinate is pointed in the image viewing area and a behaviour is performed
Instruct；
The projected position coordinate and the operational order are received by the radio mutual action type projecting cell；
A corresponding control unit, and the projection position of converting are found out by the wireless display judging unit using the projected position coordinate
Put the actual position coordinate that coordinate is the corresponding control unit；And
The actual position coordinate and the operational order are sent to into the corresponding control unit, and control the corresponding control unit
Counter element perform the operational order in the actual position coordinate.
6. the method for interactive projection as claimed in claim 5, it is characterised in that the sensing unit is laser light transmitting dress
Put, an infrared induction device, an interactive white board pen or a USB wireless mouses.
7. a kind of method for realizing the interactive projection of cross-platform operation between the device of projection simultaneously, throws for a radio mutual action type
In shadow system, the radio mutual action type optical projection system includes that multiple control units, a radio mutual action type projecting cell and a sensing are single
Unit；Plurality of wireless display judging unit is respectively arranged in multiple control units such as this；The method includes：
By the radio mutual action type projection unit projects this etc. multiple control units display picture in an image viewing area, and
The image viewing area is made up of multiple window splits, and wherein multiple window splits such as this correspond to respectively and show multiple controls such as this
The display picture of unit processed；
A counter element is controlled by the sensing unit projected position coordinate is pointed in the image viewing area and a behaviour is performed
Instruct；And
The projected position coordinate and the operational order are received by the radio mutual action type projecting cell, and by projected position coordinate and
The operational order is sent to multiple control units such as this；
The projected position coordinate is converted for an actual position coordinate by the wireless display judging unit such as this；And
Counter element is controlled by the control unit corresponding to belonging to the actual position coordinate to hold in the actual position coordinate
The capable operational order.
8. the method for interactive projection as claimed in claim 7, it is characterised in that the sensing unit is a USB wireless mouses.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210237923.XA CN103543820B (en) | 2012-07-09 | 2012-07-09 | Method and system for wireless interactive projection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210237923.XA CN103543820B (en) | 2012-07-09 | 2012-07-09 | Method and system for wireless interactive projection |
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| CN103543820A CN103543820A (en) | 2014-01-29 |
| CN103543820B true CN103543820B (en) | 2017-04-12 |
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| CN201210237923.XA Active CN103543820B (en) | 2012-07-09 | 2012-07-09 | Method and system for wireless interactive projection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105808087A (en) * | 2014-12-31 | 2016-07-27 | 中强光电股份有限公司 | Interactive display system and operating method thereof |
| CN109379549A (en) * | 2018-09-18 | 2019-02-22 | 湖州佳格电子科技股份有限公司 | A kind of wireless screen transmission method, equipment and system |
| CN110007888A (en) * | 2019-04-16 | 2019-07-12 | 深圳市湘凡科技有限公司 | A kind of single screen shared control system and shared device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289086A (en) * | 1999-09-21 | 2001-03-28 | 精工爱普生株式会社 | Interactive display system |
| CN1918624A (en) * | 2004-03-10 | 2007-02-21 | 松下电器产业株式会社 | Image transmission system and image transmission method |
| TW201019723A (en) * | 2008-11-11 | 2010-05-16 | Hong-Xing Weng | Multimedia broadcast system with split-screen functionality |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289086A (en) * | 1999-09-21 | 2001-03-28 | 精工爱普生株式会社 | Interactive display system |
| CN1918624A (en) * | 2004-03-10 | 2007-02-21 | 松下电器产业株式会社 | Image transmission system and image transmission method |
| TW201019723A (en) * | 2008-11-11 | 2010-05-16 | Hong-Xing Weng | Multimedia broadcast system with split-screen functionality |
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