CN106445442B - A kind of three screen synchronous display methods - Google Patents
A kind of three screen synchronous display methods Download PDFInfo
- Publication number
- CN106445442B CN106445442B CN201610861788.4A CN201610861788A CN106445442B CN 106445442 B CN106445442 B CN 106445442B CN 201610861788 A CN201610861788 A CN 201610861788A CN 106445442 B CN106445442 B CN 106445442B
- Authority
- CN
- China
- Prior art keywords
- display
- touch
- synchronization system
- unit
- host side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Abstract
The present invention relates to a kind of three screen synchronous display methods, comprising: host server, the projection device and a plurality of hand-held mobile terminals that are connected by video transmission line with the host server.Operator carries out touch operation input by host server or handheld terminal, then host server or handheld terminal, which are corresponded to, is synchronized to matched handheld terminal or host server for touch operation, and carries out Projection Display by projection device simultaneously.Three screen synchronous display method of one kind proposed by the invention greatly improves the text exhibition in wisdom teaching and the flexibility of picture and text input, greatly facilitates the interaction of classroom learning.
Description
Technical field
The present invention relates to a kind of three screen synchronous display methods.
Background technique
Multimedia used in existing teaching process includes the equipment such as touch display screen, electronic whiteboard, projection, but is made
With in the process, above equipment mostly uses greatly the mode of fixed setting, is interacted extremely inconvenience with student in daily teaching.Such as
When being inputted, operation input is carried out before needing teacher or student to go to platform.Although can be student in existing wisdom teaching
Operating terminal is configured, but only provides display function mostly, can not achieve the interaction of preferable teaching scene, and exist and touch behaviour
Make the problem of information cannot be accurately sent to, and will cause student departing from normal teaching pattern using this kind of mode and attend class
It is absent minded, learning tasks cannot be effectively completed.
Summary of the invention
The purpose of the present invention is to provide a kind of three screen synchronous display methods, to overcome defect existing in the prior art.
To achieve the above object, the technical scheme is that a kind of three screen synchronous display methods, including a host services
Device, the projection device and a plurality of hand-held mobile terminals being connected by video transmission line with the host server；The master
Machine server includes a first control unit and the first WIFI unit being connected with the first control unit and the first display
Touch unit；The hand-held mobile terminal includes one second control unit and the 2nd WIFI that is connected with second control unit
Unit and the second display touch unit；A host side digital blackboard synchronization system is carried in the first control unit, it is described
A terminal digital blackboard synchronization system is carried in second control unit；It realizes in accordance with the following steps:
Step S1: initializing the host side digital blackboard synchronization system, by the host side synchronization system to described
The communication port and communication IP address of first WIFI unit are configured；
Step S2: the communication port and communication IP address of the host side digital blackboard synchronization system configuration are obtained, is led to
The terminal digital blackboard synchronization system is crossed to configure the communication port and communication IP address of second WIFI unit,
And then complete the configured for wireless communication of the host side digital blackboard synchronization system Yu the terminal digital blackboard synchronization system；
Step S3: the host side digital blackboard synchronization system is it is judged whether or not the touch of authorization touch input is shown
Object；If nothing is waited for；If so, judging that the touch shows object；If touching display object is described first aobvious
Show touch unit, be then transferred to step S4, is otherwise transferred to step S5；
Step S4: if touching display object is the first display touch unit, the synchronous system of the host side digital blackboard
System refreshes the host side digital blackboard synchronization system that the first display touch unit provides and shows the page, will show through described first
After showing the touch operation information processing of touch unit input, synchronous transfer to matched hand-held mobile terminal, and by touch operation
Information carries out Projection Display by the projection device；The terminal digital blackboard synchronization system receives the touch operation information,
According to the second display touch unit screen configuration parameter, touch behaviour is shown by the way that the second display touch unit is corresponding
Make information；It is transferred to step S3；
Step S5: if touching display object is the second display touch unit, the terminal digital blackboard synchronization system refreshes
The terminal digital blackboard synchronization system that the second display touch unit provides shows the page, will touch through second display single
After the touch operation information processing of member input, synchronous transfer to the host server；The synchronous system of the host side digital blackboard
The touch operation information that will be received of uniting is shown according to the first display touch unit screen configuration parameter by described first
Show that touch unit is corresponding and show the touch operation information, and touch operation information is subjected to projection by the projection device and is shown
Show；Meanwhile the host side digital blackboard synchronization system is by the touch operation information synchronous transfer to remaining matched hand-held shifting
Dynamic terminal is shown；It is transferred to step S3.
In an embodiment of the present invention, in the step S3, described in the host side digital blackboard synchronization system judgement
Whether the first display touch unit sends triggering information, and judges that the second display touch unit is through the second WIFI unit
No transmission triggers information to the first control unit；And judge the duration of the triggering information；If the host side number
Blackboard synchronization system receives the triggering information that the first display touch unit or the second display touch unit are sent, and
The triggering information duration is more than or equal to the first preset time threshold, then determines the first display touch unit or described the
Two display touch units initiate touch input request；The host side digital blackboard synchronization system judges current first control unit
Whether be in idle condition, if being in idle condition, authorize it is described first display touch unit or it is described second display touching
Touch unit touch input operation；If being in busy state, it is not responding to the first display touch unit or second display
Touch input request is initiated in this time of touch unit.
In an embodiment of the present invention, if the host side digital blackboard synchronization system in the second preset time threshold not
The touch input operation of the touch sensitive display unit of current grant touch input operation is received, then discharges the touch input currently occupied
Operating right enables the first control unit be in idle condition.
In an embodiment of the present invention, when the hand-held mobile terminal passes through terminal digital blackboard synchronization system and the master
After generator terminal digital blackboard synchronization system establishes wireless communication, the host side digital blackboard synchronization system touches first display
Touch the current touch operation information of unit, synchronous transfer to the terminal digital blackboard synchronization system, and by its corresponding second
It shows that touch unit is corresponding and shows the touch operation information.
In an embodiment of the present invention, the host side digital blackboard synchronization system and the terminal digital blackboard are synchronous
System is respectively corresponded through the first display touch unit and the second display touch unit, provides toolbar selection display
Region and touch input area；Toolbar selection display area includes that multi-page shows selection, the selection of paintbrush type, figure
The selection of case type, text input selection, color type selection, the selection of erasing rubber type, whole page delete selection and configuration selection；
The sliding that the touch input area is configured with the virtual push button 9 for transverse shifting current page, vertically moves current page
Item, for the zoom tool column selection virtual key of display area, whole page lateral or longitudinal movement current page directionkeys with
And the virtual key for calling direction key.
In an embodiment of the present invention, the touch operation information includes: the seat of the current input page of touch input area
Mark information, current page Coordinate Adjusting information, the corresponding array text increment information of the current input content of touch input area, shape
State information, coordinate information and Observer Pattern Property class wrapper information.
In an embodiment of the present invention, the status information includes line weight, types of patterns, the text of current input content
This format and color.
In an embodiment of the present invention, the screen configuration parameter includes: screen size and the current resolution ratio of screen.
In an embodiment of the present invention, in the step S4, if the host side digital blackboard synchronization system is by institute
The touch operation information for stating the first display touch unit is synchronized to matched handheld terminal, single when being touched by first display
When member carries out touch operation input, then new touch operation information is only synchronized to this by the host side digital blackboard synchronization system
The second display touch unit on handheld terminal is shown；
In the step S5, if terminal digital blackboard synchronization system believes the touch operation of the second display touch unit
Breath is synchronized to the host side digital blackboard synchronization system, carries out touch operation input when passing through the second display touch unit
When, then new touch operation information is only synchronized to the first display touch unit and shown by terminal digital blackboard synchronization system
Show, and the new touch operation information is only synchronized to remaining matched handheld terminal by the host side digital blackboard synchronization system
On second display touch unit shown.
In an embodiment of the present invention, after completing touch operation input, the host side digital blackboard synchronization system warp
The first display touch unit provides one and exits option；Option is exited by triggering primary this, chooses whether to save described the
In the touch operation information to preset file that one display touch unit is currently shown；Continue to trigger this and exit option, selects
Whether exit the host side digital blackboard synchronization system and shows the page.
Compared to the prior art, the invention has the following advantages: three screen simultaneous display of one kind proposed by the invention
Method, the ambulatory handheld mobile terminal and host server of data synchronous transfer can be carried out by configuring, and teacher was imparting knowledge to students
Cheng Zhongke is inputted by hand-held mobile terminal, and is synchronized to host server and projection device is shown, greatly
The text exhibition in wisdom teaching and the flexibility of picture and text input are improved, is improved in existing teaching equipment with fixation side
The defect of touch input information is arranged in formula, greatly facilitates the interaction of classroom learning.It is distributed simultaneously for the access of each equipment
Permission further reduced the mistake touching of touch input, improve the accuracy of input information.Also achieve by every page input
Touch operation information is saved, and the revision of subsequent student is facilitated.
Detailed description of the invention
Fig. 1 is touch sensitive display unit display area schematic diagram in the present invention.
Fig. 2 is that directionkeys schematic diagram is called in touch sensitive display unit display area in the present invention.
Fig. 3 is that multi-page shows selection virtual key touch operation schematic diagram in the present invention.
Fig. 4 is that paintbrush type selects virtual key touch operation schematic diagram in the present invention.
Fig. 5 is that paintbrush type selects virtual key touch operation to input schematic diagram in the present invention.
Fig. 6 is that types of patterns selects virtual key touch operation schematic diagram in the present invention.
Fig. 7 is that types of patterns selects virtual key touch operation to input schematic diagram in the present invention.
Fig. 8 is that text input selects virtual key touch operation schematic diagram in the present invention.
Fig. 9 is that text input selects virtual key touch operation to input schematic diagram in the present invention.
Figure 10 is that color type selects virtual key touch operation schematic diagram in the present invention.
Figure 11 is that erasing rubber type selects virtual key touch operation schematic diagram in the present invention.
Figure 12 is that whole page deletes selection virtual key touch operation schematic diagram in the present invention.
Figure 13 is to supervise in host side digital blackboard synchronization system configuration selection virtual key touch operation interface in the present invention
Listen selection schematic diagram.
Figure 14 is synchronous in terminal digital blackboard synchronization system configuration selection virtual key touch operation interface in the present invention
Server schematic diagram.
Figure 15 is that blank color selects schematic diagram in configuration selection virtual key touch operation interface in the present invention.
Figure 16 is the virtual key touch operation schematic diagram for selecting display area in the present invention for zoom tool column.
[label declaration]: multi-page show selection 1, paintbrush type selection 2, types of patterns selection 3, text input selection 4,
Color type selection 5, erasing rubber type selection 6, whole page delete selection 7 and configuration selection 8；Touch input area configuration is useful
Virtual push button 9, the slider bar 10, aobvious for the selection of zoom tool column that vertically moves current page in transverse shifting current page
Show the virtual key 11 in region, virtual key 12 for calling direction key, whole page lateral or longitudinal movement current page
Directionkeys 13.
Specific embodiment
With reference to the accompanying drawing, technical solution of the present invention is specifically described.
The present invention provides a kind of three screen synchronous display methods, including a host server, one by video transmission line and are somebody's turn to do
Host server connected projection device and a plurality of hand-held mobile terminals；Host server include a first control unit with
And the first WIFI unit being connected with the first control unit and first display touch unit；Hand-held mobile terminal includes one the
Two control units and the second WIFI unit being connected with second control unit and the second display touch unit；First control
A host side digital blackboard synchronization system is carried on unit, and a terminal digital blackboard synchronization system is carried in the second control unit.
In the present embodiment, host server is a computer all-in-one machine being set in classroom at dais, provides touch
Display function and WIFI communication function.The computer all-in-one machine is connected to the projection that one is set at dais by video cables and sets
It is standby.Hand-held mobile terminal is a tablet computer configured with WIFI communication function and touch display function.
Three screen simultaneous displays are realized in accordance with the following steps:
Step S1: initialization host side digital blackboard synchronization system, by host side synchronization system to the first WIFI unit
Communication port and communication IP address configured；In the present embodiment, the synchronous system of the host side carried on computer all-in-one machine
System provides the set interface of communication port and communication IP address, by the communication port of the settable equipment of the set interface with
And communication IP address；After setting, the parameter set can be checked by host side synchronization system.
Step S2: the communication port and communication IP address of the configuration of host side digital blackboard synchronization system are obtained, end is passed through
End digital blackboard synchronization system configures the communication port and communication IP address of the second WIFI unit, and then completes host
Hold the configured for wireless communication of digital blackboard synchronization system and terminal digital blackboard synchronization system；In the present embodiment, pass through host
End digital blackboard synchronization system checks the communication port and communication IP address for obtaining computer all-in-one machine, and passes through host side number
Blackboard synchronization system opens monitor function, namely for obtaining data in real time from matched hand-held mobile terminal or synchrodata
To matched hand-held mobile terminal.After the communication port and the communication IP address that obtain computer all-in-one machine, hand-held mobile whole
The parameter configuration interface that terminal digital blackboard synchronization system at end provides is inputted, and is completed synchronous with host side digital blackboard
The connection of system.
Step S3: host side digital blackboard synchronization system is it is judged whether or not the touch of authorization touch input is shown pair
As；If nothing is waited for；If so, judgement touches display object；If touching display object is that the first display touch is single
Member, then be transferred to step S4, is otherwise transferred to step S5；
Step S4: if touching display object is the first display touch unit, host side digital blackboard synchronization system refreshes the
The host side digital blackboard synchronization system that one display touch unit provides shows the page, will be through the first display touch unit input
After touch operation information processing, synchronous transfer to matched hand-held mobile terminal, and touch operation information is passed through into projection device
Carry out Projection Display；Terminal digital blackboard synchronization system receives the touch operation information, according to the second display touch unit screen
Configuration parameter shows the touch operation information by the way that the second display touch unit is corresponding；It is transferred to step S3；
Step S5: if touching display object is the second display touch unit, terminal digital blackboard synchronization system refreshes second
Show that the terminal digital blackboard synchronization system that touch unit provides shows the page, by the touch through the second display touch unit input
After operation information processing, synchronous transfer to host server；The touch operation that host side digital blackboard synchronization system will receive
Information shows the touch operation by the way that the first display touch unit is corresponding according to the first display touch unit screen configuration parameter
Information, and touch operation information is subjected to Projection Display by projection device；Meanwhile host side digital blackboard synchronization system should
Touch operation information synchronous transfer to remaining matched hand-held mobile terminal is shown；It is transferred to step S3.
Further, in the present embodiment, touch operation information includes the information such as writing on the blackboard content.
Further, in the present embodiment, in step s3, host side digital blackboard synchronization system judges the first display touching
It touches whether unit sends triggering information, and judges whether the second display touch unit sends triggering information through the second WIFI unit
To first control unit；And judge the duration of the triggering information；If host side digital blackboard synchronization system receives first
Show the triggering information that touch unit or the second display touch unit are sent, and the triggering information duration is more than or equal to first
Preset time threshold then determines that the first display touch unit or the second display touch unit initiate touch input request；Host side
Digital blackboard synchronization system judges whether being in idle condition for current first control unit, if being in idle condition, authorizes
First display touch unit or the second display touch unit touch input operation；If being in busy state, it is aobvious to be not responding to first
Show that touch unit or the second display this time of touch unit initiate touch input request.In the present embodiment, the first preset time threshold
Value is 1 second, namely works as first and show that touch unit or the touch operation duration of the second display touch unit are greater than 1 second,
Determine that it initiates touch input request.For the equipment of uncommitted input, it is only capable of the touch behaviour of simultaneous display authorisation device
Make information.
Further, in the present embodiment, if host side digital blackboard synchronization system in the second preset time threshold not
The touch input operation of the touch sensitive display unit of current grant touch input operation is received, then discharges the touch input currently occupied
Operating right enables first control unit be in idle condition.Second preset time threshold is configured according to specific operation.
Further, in the present embodiment, when hand-held mobile terminal passes through terminal digital blackboard synchronization system and host side
After digital blackboard synchronization system establishes wireless communication, host side digital blackboard synchronization system is by the first display touch unit current
Touch operation information, synchronous transfer to the terminal digital blackboard synchronization system, and pass through its corresponding second display touch unit
It is corresponding to show the touch operation information.In the present embodiment, main after thering is new hand-held mobile terminal to connect with computer all-in-one machine
Generator terminal digital blackboard synchronization system shows the current touch operation information of touch unit, synchronous transfer to the terminal for first automatically
Digital blackboard synchronization system is shown by the display unit of the new hand-held mobile terminal.
Further, in the present embodiment, host side digital blackboard synchronization system and terminal digital blackboard synchronization system
It respectively corresponds through the first display touch unit and the second display touch unit, toolbar selection display area and touch is provided
Input area；As shown in Fig. 1 ~ Fig. 2, toolbar selection display area includes that multi-page shows selection 1, paintbrush type selection 2, figure
Case type selection 3, text input selection 4, color type selection 5, erasing rubber type selection 6, whole page delete selection 7 and configuration
Selection 8；The cunning that touch input area is configured with the virtual push button 9 for transverse shifting current page, vertically moves current page
Dynamic item 10 selects the virtual key 11 of display area, the side of whole page lateral or longitudinal movement current page for zoom tool column
Virtual key 12 to key 13 and for calling direction key.
In the present embodiment, in interface shown by the display unit of computer all-in-one machine and hand-held mobile terminal, left side
Display area is selected for toolbar, middle part is touch input area, virtual push button of the right side configured with transverse shifting current page,
Vertically move the slider bar of current page, for the virtual key of zoom tool column selection display area, for calling whole page horizontal
To or longitudinal movement current page directionkeys virtual key.
Wherein, as shown in figure 3, multi-page shows that selection virtual key provides several thumbnail calling functions, those breviaries
It include current operation pages in figure, the blank page for having operated the page of completion and not operated is selected by the multi-page
Several thumbnails can be called out display by virtual key, and by touching selection, the expansion for completing corresponding thumbnail is shown.Together
When, can by configure with each thumbnail side it is newly-increased/to delete virtual key newly-increased or delete the page.
In the present embodiment, which shows that selection virtual key provides electronic display writing on the blackboard subdispatch and shows function
Can, it realizes in accordance with the following steps, in this step, accurate in order to state, first or second control unit passes through control unit
Statement:
Step S1: the first or second shows that touch unit is provided which a display touch area, by control unit to display
Touch area is configured；It include toolbar selection display area and touch input area with the display touch area postponed
Domain, namely a writing on the blackboard input area is provided；Toolbar selects display area to provide a multi-page and shows selection virtual key；It touches
Input area includes one for providing the key entry region of touch operation；
Step S2: show that selection virtual key carries out touch input operation, the reserved storage of control unit by the multi-page
Memory establishes a n*m thumbnail matrix, reserves stored memory for each thumbnail, and show the n*m in touch input area
A thumbnail increases virtual key, each column breviary configured with the thumbnail for increasing thumbnail newly between adjacent two column thumbnail
The top of figure is configured with the thumbnail for deleting thumbnail and deletes virtual key；In the present embodiment, n value is 3, m value
It is 50；
Step S3: increasing virtual key by thumbnail and complete newly-increased thumbnail, and control unit is by corresponding reserved storage
Memory is corresponding to be distributed to each newly-increased thumbnail, and each page shows 3*3 thumbnail matrix,；
Step S4: any one blank thumbnail is selected by touch operation, control unit is in the thumbnail batch operation
It deposits, which, which opens and cover, keys in region；
Step S5: selecting display area to select touch input operation tool by toolbar, carries out currently keying in region
Touch input operation；
Step S6: during touch operation, by showing that selection virtual key carries out touch operation, control to multi-page
Unit stores in current region of keying in the form of thumbnail, and discharges its corresponding operation memory, and show in current page
3*3 thumbnail matrix including currently keying in the corresponding thumbnail in region, as shown in Figure 3；
Step S7: if carrying out touch operation to another blank thumbnail, step S4 is gone to；If to another non-blank-white breviary
Figure carries out touch input operation, then goes to step S8；
Step S8: opening the non-blank-white thumbnail by touch operation, and control unit is the thumbnail batch operation memory,
Go to step S5；
Step S9: it after completing touch operation, by the release virtual key of display touch area configuration, is retained according to pre-
The address of storage memory saves the thumbnail through touch input operation respectively.
Further, as above-mentioned, touch input area is also configured with a transverse direction that region is currently keyed in for transverse shifting
Mobile virtual button, the current longitudinal sliding motion item for keying in region of a longitudinal movement, one select display area for zoom tool column
Virtual key, one whole page of lateral or longitudinal movement currently key in the directionkeys in region and the calling for calling direction key
Virtual key.
Further, in the present embodiment, region is currently keyed in by transverse shifting virtual push button transverse shifting, control is single
Area is keyed according to the current reserved stored memory judgement for keying in region is current in the member direction traversing according to transverse shifting virtual push button
Domain whether there is the adjacent reserved stored memory in left or right side；If it exists, then control unit calls current key entry region corresponding
The adjacent thumbnail in left or right side reserves stored memory, and then extracts and be located in thumbnail matrix, current to key in page on the left of region
Region is keyed in face or right side page key enters the content in region；Left page key entry region or the key entry of the right side page are clicked by touching
Region, control unit are corresponding key entry region batch operation memory, and then key in region or right side page key to left page
Enter region and carries out touch operation；The page after movement includes that the current partial region for keying in region and left page key in area
Domain or the right side page key in the partial region in region, and the control unit displacement mobile according to transverse shifting virtual push button is divided
Size with above-mentioned two partial region.
Further, in the present embodiment, by longitudinal sliding motion item vertically move it is current key in region, control unit according to
The direction of longitudinal sliding motion item longitudinal movement keys in whether region deposits according to the current reserved stored memory judgement for keying in region is current
In the adjacent reserved stored memory in upside or downside；If it exists, then control unit call it is current key in the corresponding upside in region or under
The adjacent thumbnail in side reserves stored memory, and then extracts and be located in thumbnail matrix, and the current region upside page of keying in keys in area
Domain or the downside page key in the content in region；Upside page key entry region or downside page key entry region are clicked by touching,
Control unit is corresponding key entry region batch operation memory, and then keys in region or downside page key entry region to the upside page
Carry out touch operation；The page after movement include the current partial region for keying in region and the upside page key in region or under
The side page keys in the partial region in region, and the control unit displacement mobile according to longitudinal sliding motion item distributes above-mentioned two portion
Subregional size.
Further, in the present embodiment, if having passed through the mobile current key entry region of transverse shifting virtual push button, pass through
When longitudinal sliding motion item vertically moves current page, domain mode judgement is currently keyed according to longitudinal movement, calls current key entry area
Domain and it is traversing after the corresponding thumbnail in adjacent key entry region on the upside of or the adjacent reserved stored memory in downside, and extract upside page
Key in the content in region or downside page key entry region in face；Enter region by touching click corresponding keys, control unit is to correspond to
Key entry region batch operation memory, carry out and then key in region touch operation to corresponding；Control unit is according to longitudinal sliding motion item
Mobile displacement respectively keys in the size in region on the basis of traversing operation after distribution vertical shift；
It is current by transverse shifting virtual push button transverse shifting if having passed through the mobile current key entry region of longitudinal sliding motion item
When the page, domain mode judgement is currently keyed according to transverse shifting, calls the current adjacent key entry keyed in after region and vertical shift
The adjacent reserved stored memory in the corresponding thumbnail left or right side in region, and extract left page and key in region or right side page key
Enter the content in region；Entering region by touching click corresponding keys, control unit is corresponding key entry region batch operation memory,
It carries out and then keys in region touch operation to corresponding；The control unit displacement mobile according to transverse shifting virtual push button,
On the basis of vertical shift operation, traversing rear each size for keying in region is distributed.
Further, in the present embodiment, by calling virtual key to call directionkeys；By the whole page of directionkeys laterally or
Longitudinal movement is current to key in region, and control unit keys in the reserved of region according to current according to the direction triggering command of directionkeys
The current region of keying in of stored memory judgement whether there is upside, downside, the adjacent reserved stored memory in left or right side；If it exists,
Then control unit calls the corresponding upside in current key entry region, downside, the adjacent thumbnail in left or right side to reserve stored memory, into
And extract and be located in thumbnail matrix, the page keys in region on the upside of current key entry region, the downside page keys in region, left page
The content in region or right side page key entry region is keyed in, the upside page is keyed in into region, the downside page keys in region, left side page
Region is keyed in face or the right side page keys in the current key entry region of region entirety covering.
Further, in the present embodiment, when currently keying in region or logical by transverse shifting virtual push button transverse shifting
After crossing the current key entry region of longitudinal sliding motion item longitudinal movement, when carrying out whole page lateral or longitudinal movement by directionkeys, control is single
The key entry region that touched point is hit in member detection current page keys in region using the key entry region as current, it is horizontal to complete whole page
To or longitudinal movement.
Further, in the present embodiment, in step s 6, shown in current page corresponding including current key entry region
When the 3*3 thumbnail matrix of thumbnail, it is corresponding to calculate the thumbnail according to the reserved stored memory of the thumbnail for control unit
The number of pages sequence number for showing the page and its position in page 3*3 thumbnail matrix, and when showing the thumbnail, display
The page sequence number of current page.In the present embodiment, it is split according to 3*3, stored memory will be reserved for thumbnail matrix
It is divided into multipage, according to the reserved stored memory of the thumbnail, calculates its corresponding number of pages, and positioned at when the position in page matrix
It sets.
Further, in the present embodiment, left touch sliding is inputted by touch operation or right side touch slides, moved to left
Or move to right 3*3 thumbnail matrix.In addition, the 3*3 thumbnail matrix integrally can also be moved to left or be moved to right by directionkeys.
As shown in Fig. 4 ~ 5, paintbrush type selects virtual key to provide writing on the blackboard input function, and difference may be selected by the key
The input paintbrush of type, touches the key again, can adjust the thickness of input lines.
As shown in Fig. 6 ~ 7, types of patterns selection selection virtual key provides such as lines, square, ellipse, circle, three
Angular, diamond shape etc..
As shown in Fig. 8 ~ 9, text input selects virtual key to provide the selection of input font and font size selection function.Such as word
Body includes: routine, runic, inclination, thick deflecting body etc., and font size includes No. 5, No. 6, No. 7 etc..In input, current system is called
Input method.
If Figure 10 shows, color type selection virtual key provides existing object color and selects function, including black, white, red
Color, orange, blue etc..
If Figure 11 shows, erasing rubber type select virtual key provide by once touch Selection and call erasing rubber function, after
It is continuous to touch selection adjustment erasing region range size function,.
If Figure 12 shows, whole page deletes selection virtual key offer and directly empties this page of content function.
As shown in Figure 13 ~ 15, the communication port and communication IP address for selecting virtual key to provide current device are configured
Set interface, including computer all-in-one machine and hand-held mobile terminal.If computer all-in-one machine, then mentioned configured with selection virtual key
The functions such as opening and closing, offer prompt listening port number, offer prompt communication IP address, whiteboard background replacement are monitored for synchronizing；If
Hand-held mobile terminal is then keyed in configured with sync server, communication IP address, communication port numbers are keyed in, selection connection, blank back
The functions such as scape replacement.
As shown in figure 16, aobvious by selecting the virtual key 11 of display area to carry out toolbar selection for zoom tool column
Show area zoom.
Further, in the present embodiment, touch operation information includes: the coordinate of the current input page of touch input area
Information, current page Coordinate Adjusting information, the corresponding array text increment information of the current input content of touch input area, state
Information, coordinate information and Observer Pattern Property class wrapper information.In the present embodiment, touch input area is currently defeated
The coordinate information for entering the page provides current page in the position of entire screen, for reconstructing drawing board.Current page Coordinate Adjusting information
Including sliding laterally, longitudinal sliding motion, the information such as stopping readjustment being slided, by encapsulating these information packages, for quickly positioning
And reconstruct drawing board.The corresponding array text increment information of the current input content of touch input area will be inputted in touch operation
Content Transformation is array text increment information, and input content includes lines, pattern, text etc..When input content is lines,
Corresponding status information is line weight, color etc..When for pattern, status information includes types of patterns, pattern line thickness, face
When color etc. is text, status information includes text formatting, font size, font and color etc..Coordinate information includes in current input
Hold the coordinate information in current screen of each pixel.Observer Pattern Property class wrapper information is that function selection area is each
The average information that the average information and status information switching that a virtual key switching generates generate, for believing convenient for UI degree state
Cease the switching of corresponding attribute quickly directly in response to.It is cut including paintbrush type selection virtual key and other function selection virtual key
The average information for changing generation further includes the generations such as color switching, line weight switching, font and font size switching, pattern switching
Intermediate thin information.
Further, in the present embodiment, screen configuration parameter includes: screen size and the current resolution ratio of screen.
According to the screen configuration parameter, relevant touch sensitive display unit is by the synchronous touch operation information obtained, according to current display screen
The current resolution ratio of the screen size and screen of curtain is shown on current display screen.
Further, in the present embodiment, when synchronizing display, current drawing board content is reused, namely only in real time
Received new touch operation information is added into original painting plate, increases the new touch operation on the basis of original painting plate shows content
The entire content of current touch operation input drawing board is not synchronized in real time, significantly reduces the transmission of data by information
Amount.
In step s 4, if host side digital blackboard synchronization system is by the touch operation information of the first display touch unit
It is synchronized to matched handheld terminal, when carrying out touch operation input by the first display touch unit, then host side digital black
The second display touch unit that new touch operation information is only synchronized on the handheld terminal by plate synchronization system is shown；
In step s 5, if terminal digital blackboard synchronization system is same by the touch operation information of the second display touch unit
Step is to host side digital blackboard synchronization system, when carrying out touch operation input by the second display touch unit, then terminal
New touch operation information is only synchronized to the first display touch unit and shown by digital blackboard synchronization system, and host side number
The second display that the new touch operation information is only synchronized on remaining matched handheld terminal by word blackboard synchronization system touches
Unit is shown.
Further, in the present embodiment, after completing touch operation input, host side digital blackboard synchronization system is through the
One display touch unit provides one and exits option；Option is exited by triggering primary this, chooses whether to save the first display touch
In the touch operation information that unit is currently shown to preset file；Continue to trigger this and exit option, chooses whether to exit this
Host side digital blackboard synchronization system shows the page.
The above are preferred embodiments of the present invention, all any changes made according to the technical solution of the present invention, and generated function is made
When with range without departing from technical solution of the present invention, all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of three screen synchronous display methods, which is characterized in that pass through video transmission line or view including a host server, one
The projection device and a plurality of hand-held mobile terminals that frequency radio transmission apparatus is connected with the host server；The host services
Device includes that a first control unit and the first WIFI unit being connected with the first control unit and the first display touch list
Member；The hand-held mobile terminal include one second control unit and the second WIFI unit being connected with second control unit with
And second display touch unit；A host side digital blackboard synchronization system, second control are carried in the first control unit
A terminal digital blackboard synchronization system is carried on unit processed；It realizes in accordance with the following steps:
Step S1: initializing the host side digital blackboard synchronization system, by the host side synchronization system to described first
The communication port and communication IP address of WIFI unit are configured；
Step S2: the communication port and communication IP address of the host side digital blackboard synchronization system configuration are obtained, institute is passed through
It states terminal digital blackboard synchronization system to configure the communication port and communication IP address of second WIFI unit, in turn
Complete the configured for wireless communication of the host side digital blackboard synchronization system Yu the terminal digital blackboard synchronization system；
Step S3: the host side digital blackboard synchronization system is it is judged whether or not the touch of authorization touch input is shown pair
As；If nothing is waited for；If so, judging that the touch shows object；If touching display object is first display
Touch unit, then be transferred to step S4, is otherwise transferred to step S5；
Step S4: if touching display object is the first display touch unit, the host side digital blackboard synchronization system brush
The host side digital blackboard synchronization system that the new first display touch unit provides shows the page, will touch through first display
After the touch operation information processing for touching unit input, synchronous transfer to matched hand-held mobile terminal, and by touch operation information
Projection Display is carried out by the projection device；The terminal digital blackboard synchronization system receives the touch operation information, according to
The second display touch unit screen configuration parameter shows touch operation letter by the way that the second display touch unit is corresponding
Breath；It is transferred to step S3；
Step S5: if touching display object for the second display touch unit, described in the terminal digital blackboard synchronization system refreshing
The terminal digital blackboard synchronization system that second display touch unit provides shows the page, will be defeated through the second display touch unit
After the touch operation information processing entered, synchronous transfer to the host server；The host side digital blackboard synchronization system will
The touch operation information received is touched according to the first display touch unit screen configuration parameter by first display
The corresponding display touch operation information of unit is touched, and touch operation information is passed through into the projection device and carries out Projection Display；Together
When, the host side digital blackboard synchronization system is by the touch operation information synchronous transfer to remaining matched hand-held mobile terminal
It is shown；It is transferred to step S3；
Wherein, in the step S3, the host side digital blackboard synchronization system judges that the first display touch unit is
No transmission triggers information, and judges whether the second display touch unit sends triggering information to institute through the second WIFI unit
State first control unit；And judge the duration of the triggering information；If the host side digital blackboard synchronization system receives
The triggering information that the first display touch unit or the second display touch unit are sent, and the triggering information duration
More than or equal to the first preset time threshold, then determine that the first display touch unit or the second display touch unit are initiated
Touch input request；The host side digital blackboard synchronization system judge current first control unit whether in idle shape
State authorizes the first display touch unit or the second display touch unit touch input behaviour if being in idle condition
Make；If being in busy state, it is not responding to the first display touch unit or described second display touch unit secondary initiation
Touch input request；
Wherein, the host side digital blackboard synchronization system and the terminal digital blackboard synchronization system are respectively corresponded through described
First display touch unit and the second display touch unit, provide toolbar selection display area and touch input area
Domain；Toolbar selection display area includes that multi-page shows that selection, the selection of paintbrush type, types of patterns selection, text are defeated
Enter selection, color type selection, the selection of erasing rubber type, whole page deletion selection and configuration selection；The touch input area
Configured with for transverse shifting current page virtual push button, vertically move current page slider bar, be used for zoom tool column
Select the virtual key of display area, the directionkeys of whole page lateral or longitudinal movement current page and for calling direction key
Virtual key.
2. a kind of three screens synchronous display method according to claim 1, which is characterized in that the host side digital blackboard is same
If the touch that step system does not receive the touch sensitive display unit of current grant touch input operation in the second preset time threshold is defeated
Enter operation, then discharges the touch input operation permission currently occupied, the first control unit is enabled to be in idle condition.
3. a kind of three screens synchronous display method according to claim 1, which is characterized in that when the hand-held mobile terminal is logical
It crosses terminal digital blackboard synchronization system and the host side digital blackboard synchronization system is established after wirelessly communicating, the host side number
The word blackboard synchronization system touch operation information that the first display touch unit is current, synchronous transfer to the terminal digital black
Plate synchronization system, and pass through its corresponding corresponding display touch operation information of second display touch unit.
4. a kind of three screens synchronous display method according to claim 1, which is characterized in that the touch operation information packet
Include: the coordinate information of the current input page of touch input area, current page Coordinate Adjusting information, touch input area are currently defeated
Enter the corresponding array text increment information of content, status information, coordinate information and Observer Pattern Property class wrapper letter
Breath.
5. a kind of three screens synchronous display method according to claim 4, which is characterized in that the status information includes current
Line weight, types of patterns, text formatting and the color of input content.
6. a kind of three screens synchronous display method according to claim 1, which is characterized in that the screen configuration parameter packet
It includes: screen size and the current resolution ratio of screen.
7. a kind of three screens synchronous display method according to claim 1, which is characterized in that in the step S4, if institute
It states host side digital blackboard synchronization system and the touch operation information of the first display touch unit is synchronized to matched hand
Terminal is held, when carrying out touch operation input by the first display touch unit, then the host side digital blackboard is synchronous
The second display touch unit that new touch operation information is only synchronized on the handheld terminal by system is shown；
In the step S5, if terminal digital blackboard synchronization system is same by the touch operation information of the second display touch unit
It walks to the host side digital blackboard synchronization system, when carrying out touch operation input by the second display touch unit, then
New touch operation information is only synchronized to the first display touch unit and shown by terminal digital blackboard synchronization system, and
The new touch operation information is only synchronized on remaining matched handheld terminal by the host side digital blackboard synchronization system
Second display touch unit is shown.
8. a kind of three screens synchronous display method according to claim 1, which is characterized in that inputted when completing touch operation
Afterwards, the host side digital blackboard synchronization system provides one through the first display touch unit and exits option；Pass through triggering one
Secondary this exits option, chooses whether to save touch operation information that the first display touch unit is currently shown to preset text
In part folder；Continue to trigger this and exit option, chooses whether to exit the host side digital blackboard synchronization system and show the page.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610861788.4A CN106445442B (en) | 2016-09-29 | 2016-09-29 | A kind of three screen synchronous display methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610861788.4A CN106445442B (en) | 2016-09-29 | 2016-09-29 | A kind of three screen synchronous display methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106445442A CN106445442A (en) | 2017-02-22 |
| CN106445442B true CN106445442B (en) | 2019-10-08 |
Family
ID=58170965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610861788.4A Active CN106445442B (en) | 2016-09-29 | 2016-09-29 | A kind of three screen synchronous display methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106445442B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656715B (en) * | 2017-09-30 | 2021-06-01 | 海南云江科技有限公司 | Data transmission method, network server and system for online classroom |
| CN107872712A (en) * | 2017-12-04 | 2018-04-03 | 苏州精濑光电有限公司 | A kind of more screen interface information synchronous method and device |
| CN108121525A (en) * | 2017-12-25 | 2018-06-05 | 深圳市路畅科技股份有限公司 | A kind of two-screen Interactive operating method, system and equipment and storage medium |
| CN108415658A (en) * | 2018-01-19 | 2018-08-17 | 广州视源电子科技股份有限公司 | Operating method, device and the intelligent interaction tablet of intelligent interaction tablet |
| CN108509237A (en) * | 2018-01-19 | 2018-09-07 | 广州视源电子科技股份有限公司 | Operating method, device and the intelligent interaction tablet of intelligent interaction tablet |
| CN109118847A (en) * | 2018-07-20 | 2019-01-01 | 深圳点猫科技有限公司 | A kind of the classroom interaction throwing screen method and electronic equipment of Linux system level |
| CN109597598A (en) * | 2018-10-26 | 2019-04-09 | 珠海中电数码科技有限公司 | A kind of multi-screen command processing method and its system shielding blackboard comprehensively for intelligence |
| CN112486450B (en) * | 2021-02-04 | 2021-07-06 | 江苏北弓智能科技有限公司 | Method and device for mobile cloud desktop on-screen interaction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325053A (en) * | 2008-07-14 | 2008-12-17 | 余中俊 | LVDS drive card based on multimedia integration projector and control method |
| CN102346647A (en) * | 2011-09-19 | 2012-02-08 | 盛乐信息技术（上海）有限公司 | Control method and system of projector |
| CN102881196A (en) * | 2012-06-04 | 2013-01-16 | 东莞市沃德电子科技有限公司 | Electronic lecturing system |
| CN104050840A (en) * | 2014-05-30 | 2014-09-17 | 深圳市浪涛科技有限公司 | Interactive type electronic whiteboard teaching method and system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9123341B2 (en) * | 2009-03-18 | 2015-09-01 | Robert Bosch Gmbh | System and method for multi-modal input synchronization and disambiguation |
-
2016
- 2016-09-29 CN CN201610861788.4A patent/CN106445442B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325053A (en) * | 2008-07-14 | 2008-12-17 | 余中俊 | LVDS drive card based on multimedia integration projector and control method |
| CN102346647A (en) * | 2011-09-19 | 2012-02-08 | 盛乐信息技术（上海）有限公司 | Control method and system of projector |
| CN102881196A (en) * | 2012-06-04 | 2013-01-16 | 东莞市沃德电子科技有限公司 | Electronic lecturing system |
| CN104050840A (en) * | 2014-05-30 | 2014-09-17 | 深圳市浪涛科技有限公司 | Interactive type electronic whiteboard teaching method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106445442A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106445442B (en) | A kind of three screen synchronous display methods | |
| KR102569424B1 (en) | Intelligent interactive tablet operation method, storage medium and related devices | |
| JP3628729B2 (en) | Display method of video image on computer display and display method of multiple windows | |
| CN108282677A (en) | Realize that content throws method, throwing screen device and the system of screen by client | |
| US20100017744A1 (en) | Image display control method, image supply device, and image display control program product | |
| CN105589655A (en) | Method and system for displaying terminal device | |
| CN103294362A (en) | Screen display control method and device for mobile equipment and mobile equipment | |
| WO2021189706A1 (en) | Writing interaction method, smart interactive display device and writing interaction system | |
| CN104199631B (en) | A kind of multi-screen display method, device and electronic equipment | |
| CN104572060A (en) | remote playing system and method | |
| US20120174008A1 (en) | Information input device and information input method | |
| CN103853611A (en) | Method for copying text among application programs rapidly and electronic equipment | |
| CN109324745A (en) | Blank operating method, device, system, blank equipment and medium | |
| CN107690612A (en) | A kind of display control method and electronic equipment | |
| JP2008118301A (en) | Electronic blackboard system | |
| US20150116367A1 (en) | Information processing device, display enlarging method, and computer readable medium | |
| CN109857355A (en) | Screen sharing method, device, same table and the storage medium of same table | |
| CN109388321B (en) | Electronic whiteboard operation method and device | |
| CN110109635A (en) | It throws screen display table, throw screen display method, apparatus, controller, equipment and medium | |
| EP3355177A1 (en) | Digital blackboard, digital blackboard image processing method, and recording medium whereupon digital blackboard program is recorded | |
| CN111580903A (en) | Real-time voting method, device, terminal equipment and storage medium | |
| CN106293483B (en) | Electronic display writing on the blackboard subdispatch display methods | |
| US20190369935A1 (en) | Electronic whiteboard, electronic whiteboard system and control method thereof | |
| CN104811639B (en) | Information processing method and electronic equipment | |
| CN106201255A (en) | A kind of information processing method and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |