CN103049135A - Double-board splicing implementation method on basis of electronic white boards - Google Patents
Double-board splicing implementation method on basis of electronic white boards Download PDFInfo
- Publication number
- CN103049135A CN103049135A CN 201310002756 CN201310002756A CN103049135A CN 103049135 A CN103049135 A CN 103049135A CN 201310002756 CN201310002756 CN 201310002756 CN 201310002756 A CN201310002756 A CN 201310002756A CN 103049135 A CN103049135 A CN 103049135A
- Authority
- CN
- China
- Prior art keywords
- screen
- electronic whiteboard
- mouse
- main screen
- coordinate system
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004088 simulation Methods 0.000 claims description 23
- 230000009471 action Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 5
- 230000004069 differentiation Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Landscapes
- Controls And Circuits For Display Device (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a double-board splicing implementation method on the basis of electronic white boards. The double-board splicing implementation method includes that an electronic white board driving unit acquires the resolution and start coordinates of a main screen and the resolution and start coordinates of an auxiliary screen; the main screen and the auxiliary screen are respectively corrected by a positioning algorithm; an electronic white board software unit acquires total width and total height of the main screen and the auxiliary screen via DesktopLeft, DesktopTop, DesktopWidth and DesktopHeight attributes; Left, Top, Width and Height attributes of a main window of the electronic white board software unit are set according to the total width and the total height of the main screen and the auxiliary screen, so that the main window is subjected to full-screen display in the main screen and the auxiliary screen; and an analog function MOUSEEVENT of a mouse utilizes a global coordinate system for computation via an analog formula of the mouse so as to acquire coordinates of the mouse. The double-board splicing implementation method has the advantages that double-pen or four-pen simultaneous writing can be implemented on the main window, and the interactivity is high.
Description
[technical field]
The present invention relates to the electronic whiteboard field, particularly a kind of two plate splicing implementation methods based on electronic whiteboard.
[background technology]
Along with the develop rapidly of computer technology, the various multimedia coursewares that integrate sound, image, literal, video have entered the classroom.Gathered the electronic whiteboard of computer technology, display technique, network technology, photography and vedio recording technology etc., arisen at the historic moment in this digital times.Electronic whiteboard by the hardware electronic blank, be used for being connected with the hardware electronic blank and the electronic whiteboard driver element of locating, represent to user and the identification software that the electronic whiteboard software unit of user's editor is provided and forms handwriting input and form.But the application of existing electronic whiteboard technology in teaching also only is confined to veneer teaching, so that teaching interactive received very big restriction, can't satisfy teaching demand.
[summary of the invention]
The technical problem to be solved in the present invention, be to provide a kind of two plate splicing implementation methods based on electronic whiteboard, it is compared with traditional veneer teaching, make the education informations quantitative change large, two electronic whiteboards are combined into super large screen blank, support to show two large image contents that projection screen is spliced into, the document that to work as front opening is in full screen in two screens, and concerning the user, the visual field is larger, the content that shows sees more clearly, simultaneously, the user can use two pens to write or use simultaneously four pens in two screens, wherein writes at a screen for two, write at the another one screen for other two, interactive stronger.
The present invention is achieved in that
Two plate splicing implementation methods based on electronic whiteboard, described pair of plate splicing implementation method is applicable to two electronic whiteboards, one computing machine and two projector, described two projector and two electronic whiteboards all connect described computing machine, main screen and secondary screen by described computing machine definition projection, described main screen drives into line operate by main screen, described secondary screen drives into line operate by the pair screen, driving the electronic whiteboard that is connected with main screen is main electronic whiteboard, driving the electronic whiteboard that is connected with the pair screen is secondary electronic whiteboard, and described pair of plate splicing implementation method comprises the steps:
Step 1, electronic whiteboard driver element are enumerated the information of computer display apparatus, obtain resolution and the origin coordinates of main screen, and the resolution of secondary screen and origin coordinates;
Step 2, electronic whiteboard driver element are proofreaied and correct respectively main screen and secondary screen by location algorithm: set up the main screen coordinate system take the main screen upper left corner as true origin, set up secondary screen coordinate system take the secondary screen upper left corner as true origin, by obtaining the coordinate of operating point on main screen on the main electronic whiteboard after the location algorithm computing, the coordinate of operating point on secondary screen on the secondary electronic whiteboard, thus realize main screen coordinate setting and secondary screen coordinate location;
Step 3, the current use pattern of electronic whiteboard software unit notice electronic whiteboard driver element are two plate splicings;
Step 4, electronic whiteboard driver element are set up global coordinate system: the electronic whiteboard driver element take in the main screen upper left corner as the true origin global coordinate system, described global coordinate system is benchmark with the main screen coordinate, pair is shielded the optional position that coordinate system is spliced to the main screen coordinate system, obtain the reference position of true origin under global coordinate system that secondary screen is, obtained the coordinate of point in global coordinate system under the secondary screen coordinate system;
Step 5, electronic whiteboard software unit obtain overall width and the overall height of main screen and secondary screen by DesktopLeft, DesktopTop, DesktopWidth, the DesktopHeight attribute of TScreen class among the Delphi, then Left, Top, Width, the Height attribute of electronic whiteboard software unit main window are set according to described overall width and overall height, make main window demonstration all over the screen in main screen and secondary screen;
Step 6, mouse are when main screen or secondary on-screen options are done, mouse simulation MOUSEEVENT function uses described global coordinate system to calculate by mouse simulation formula, obtain mouse coordinates, carry out mouse action, thereby realize that the user does at the spliced main screen of two plates and secondary on-screen options.
Further, use four and write simultaneously operation, comprise the first chief editor, the first secondary pen, the second chief editor, the second secondary pen, described the first chief editor, the first secondary pen, the second chief editor, the second secondary pen produces different signals when writing, described the first chief editor, the first secondary pen is write at main screen, described the second chief editor, the second secondary pen is write at secondary screen, at first the electronic whiteboard software unit informs that by WINDOWS system message of PossMessage broadcasting the electronic whiteboard driver element opened four pen modes, then electronic whiteboard driver element and electronic whiteboard software unit are set up communication connection by SOCKET, difference by signal identifies the first chief editor, the first secondary pen, the second chief editor, writing a little of the second secondary pen, the electronic whiteboard driver element is the first secondary pen, the second chief editor, the second writing of secondary pen a little passed through respectively coordinate conversion, obtain the first secondary pen, the second chief editor, the second secondary pen write the some coordinate in described global coordinate system, then send to the electronic whiteboard software unit, carry out the first operation and second chief editor of secondary pen on main screen, the second operation of secondary pen on secondary screen; And the first chief editor is mouse, and mouse simulation MOUSEEVENT function uses described global coordinate system to calculate by mouse simulation formula, obtains mouse coordinates, carries out mouse action.
Further, in the described step 6, when the child form that calls when described main window need to show, by the GetCursorPos function, obtain the position of current mouse, determine that in conjunction with Left, Top in TScreen class among the Delphi and the TMonitor class, Width, Height attribute current mouse is on main screen again, or on secondary screen, use the SetWindowPos function that subwindow is shown at mouse place screen.
Further, described electronic whiteboard drives by PID and VID differentiation main screen and drives and secondary screen driving, and main screen drives the data that receive only main electronic whiteboard, and secondary screen drives the data that receive only secondary electronics.
The present invention has following advantage:
The present invention distinguishes the main screen driving by PID and VID and secondary screen drives, and main screen drives the data that receive only main electronic whiteboard, secondary screen drives the data that receive only secondary electronic whiteboard, the electronic whiteboard software unit passes through DesktopLeft, DesktopTop, DesktopWidth, the DesktopHeight attribute obtains overall width and the overall height of main screen and secondary screen, then the Left of electronic whiteboard software unit main window is set according to described overall width and overall height, Top, Width, the Height attribute, make main window demonstration all over the screen in main screen and secondary screen, when mouse operates at the main window of electronic whiteboard software unit, mouse simulation MOUSEEVENT function uses described global coordinate system to calculate by mouse simulation formula, obtain mouse coordinates, carry out mouse action, also can realize that two or four are write simultaneously at the main window of electronic whiteboard software, interactive stronger.
[description of drawings]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the schematic diagram of the present invention's secondary screen coordinate system true origin in global coordinate system.
[embodiment]
Two plate splicing implementation methods based on electronic whiteboard, described pair of plate splicing implementation method is applicable to two electronic whiteboards, one computing machine and two projector, described two projector and two electronic whiteboards all connect described computing machine, main screen and secondary screen by described computing machine definition projection, described main screen drives into line operate by main screen, described secondary screen drives into line operate by the pair screen, driving the electronic whiteboard that is connected with main screen is main electronic whiteboard, then main screen is projected on the main electronic whiteboard, driving the electronic whiteboard that is connected with the pair screen is secondary electronic whiteboard, then secondary screen prjection drives by PID and VID differentiation main screen at the above electronic whiteboard of secondary electronic whiteboard and drives and secondary screen driving, main screen drives the data that receive only main electronic whiteboard, secondary screen drives the data that receive only secondary electronics, and described pair of plate splicing implementation method comprises the steps:
Step 1, electronic whiteboard driver element are enumerated the information of computer display apparatus, obtain resolution and the origin coordinates of main screen, and the resolution of secondary screen and origin coordinates (display device is projector among the present invention);
Step 2, electronic whiteboard driver element are proofreaied and correct respectively main screen and secondary screen by location algorithm: set up the main screen coordinate system take the main screen upper left corner as true origin, set up secondary screen coordinate system take the secondary screen upper left corner as true origin, by obtaining the coordinate of operating point on main screen on the main electronic whiteboard after the location algorithm computing, the coordinate of operating point on secondary screen on the secondary electronic whiteboard, thus realize main screen coordinate setting and secondary screen coordinate location; Described location algorithm is this area common technology, generally adopts free pulling method algorithm;
Step 3, the current use pattern of electronic whiteboard software unit notice electronic whiteboard driver element are two plate splicings;
Step 4, electronic whiteboard driver element are set up global coordinate system: the electronic whiteboard driver element take in the main screen upper left corner as the true origin global coordinate system, described global coordinate system is benchmark with the main screen coordinate, pair is shielded the optional position that coordinate system is spliced to the main screen coordinate system, obtain the reference position of true origin under global coordinate system that secondary screen is, obtained the coordinate of point in global coordinate system under the secondary screen coordinate system; See also shown in Figure 1, the true origin (0 of global coordinate system, 0) take the true origin of main screen coordinate system as benchmark, the resolution of supposing main screen is 1680x1024, the resolution of secondary screen is 1440x900, and the position of main screen and secondary screen is as shown below, and the horizontal ordinate of so secondary screen coordinate initial point in global coordinate system is-1440, ordinate then obtains according to the relative height of main screen and secondary screen is poor, is 20 such as ordinate among Fig. 1;
Step 5, electronic whiteboard software unit obtain overall width and the overall height of main screen and secondary screen by DesktopLeft, DesktopTop, DesktopWidth, the DesktopHeight attribute of TScreen class among the Delphi, then Left, Top, Width, the Height attribute of electronic whiteboard software unit main window are set according to described overall width and overall height, make main window demonstration all over the screen in main screen and secondary screen; Main electronic whiteboard and secondary electronic whiteboard are combined into super large screen blank, support to show two large image contents that projection screen is spliced into, the document that will work as front opening is in full screen in two screens, and concerning the user, the visual field is larger, and the content of demonstration sees more clearly;
Step 6, mouse are when main screen or secondary on-screen options are done, mouse simulation MOUSEEVENT function uses described global coordinate system to calculate by mouse simulation formula, obtain mouse coordinates, carry out mouse action, thereby realize that the user does at the spliced main screen of two plates and secondary on-screen options.When the child form that calls when described main window need to show, by the GetCursorPos function, obtain the position of current mouse, determine that in conjunction with Left, Top in TScreen class among the Delphi and the TMonitor class, Width, Height attribute current mouse is on main screen again, or on secondary screen, use the SetWindowPos function that subwindow is shown at mouse place screen.
Described mouse simulation formula is specially: establishing the coordinate of mouse under global coordinate system is (X, Y), if mouse operates at main screen, described mouse simulation formula adopts the first formula, described the first formula is: the horizontal ordinate of the wide * mouse of X=65535/ main screen resolution in the main screen coordinate system, the ordinate of the high * mouse of Y=65535/ main screen resolution in the main screen coordinate system; If mouse is done in secondary on-screen options, described mouse simulation formula adopts the second formula, described the second formula is: the wide * of X=65535/ main screen resolution (horizontal ordinate of mouse in the main screen coordinate system+horizontal ordinate of pair screen coordinate origin in described global coordinate system), the high * of Y=65535/ main screen resolution (ordinate of mouse in the main screen coordinate system+pair shielded the ordinate of coordinate origin in described global coordinate system); Thereby realize in global coordinate system, simulating the position of mouse.
Use two pens to write simultaneously operation, described two pen is chief editor and secondary pen, described chief editor writes on the screen therein, secondary pen is write at another screen, described chief editor produces different signals when writing with secondary pen, at first the electronic whiteboard software unit informs that by WINDOWS system message of PossMessage broadcasting the electronic whiteboard driver element opened two pen modes, then electronic whiteboard driver element and electronic whiteboard software unit are set up communication connection by SOCKET, difference by signal identifies writing a little of chief editor and secondary pen, the electronic whiteboard driver element a little passes through coordinate conversion to writing of secondary pen, obtain secondary pen and write the some coordinate in described global coordinate system, then send to the electronic whiteboard software unit, finish the operation of secondary pen on main screen or secondary screen; And the chief editor is mouse, and mouse simulation MOUSEEVENT function uses described global coordinate system to calculate by mouse simulation formula, obtains mouse coordinates, carries out mouse action.
Use four and write simultaneously operation, comprise the first chief editor, the first secondary pen, the second chief editor, the second secondary pen, described the first chief editor, the first secondary pen, the second chief editor, the second secondary pen produces different signals when writing, described the first chief editor, the first secondary pen is write at main screen, described the second chief editor, the second secondary pen is write at secondary screen, or described the second chief editor, the second secondary pen is write at main screen, described the first chief editor, the first secondary pen is write at secondary screen, at first the electronic whiteboard software unit informs that by WINDOWS system message of PossMessage broadcasting the electronic whiteboard driver element opened four pen modes, then electronic whiteboard driver element and electronic whiteboard software unit are set up communication connection by SOCKET, difference by signal identifies the first chief editor, the first secondary pen, the second chief editor, writing a little of the second secondary pen, the electronic whiteboard driver element is the first secondary pen, the second chief editor, the second writing of secondary pen a little passed through respectively coordinate conversion, obtain the first secondary pen, the second chief editor, the second secondary pen write the some coordinate in described global coordinate system, then send to the electronic whiteboard software unit, carry out the first operation and second chief editor of secondary pen on main screen, the second operation of secondary pen on secondary screen; The first chief editor is mouse, and mouse simulation MOUSEEVENT function uses described global coordinate system to calculate by mouse simulation formula, obtains mouse coordinates, carries out mouse action.In the present embodiment, the first chief editor is set, the first secondary pen, the second chief editor, the second secondary pen produces different signals when writing, and (described signal is electromagnetic wave signal, different signals refers to that the frequency of electromagnetic wave signal is different), specifically can be the first chief editor, the first secondary pen, the second chief editor, the second secondary pen produces four kinds of unlike signals, can also be: the first chief editor and the second chief editor produce a kind of same signal, it is defined as first signal, another same signal of the first secondary pen and the second secondary pen generation then, it is defined as secondary signal, first signal is not identical with secondary signal, because the first chief editor and the second chief editor can not write at same screen simultaneously, even if so even if the first chief editor produces identical signal with the second chief editor, the different differentiation of screen that still can write by the first chief editor and the second chief editor.
Although more than described the specific embodiment of the present invention; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present invention; those of ordinary skill in the art are in modification and the variation of the equivalence of doing according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (6)
1. the two plates based on electronic whiteboard splice implementation methods, it is characterized in that: described pair of plate splicing implementation method is applicable to two electronic whiteboards, one computing machine and two projector, described two projector and two electronic whiteboards all connect described computing machine, main screen and secondary screen by described computing machine definition projection, described main screen drives into line operate by main screen, described secondary screen drives into line operate by the pair screen, driving the electronic whiteboard that is connected with main screen is main electronic whiteboard, driving the electronic whiteboard that is connected with the pair screen is secondary electronic whiteboard, and described pair of plate splicing implementation method comprises the steps:
Step 1, electronic whiteboard driver element are enumerated the information of computer display apparatus, obtain resolution and the origin coordinates of main screen, and the resolution of secondary screen and origin coordinates;
Step 2, electronic whiteboard driver element are proofreaied and correct respectively main screen and secondary screen by location algorithm: set up the main screen coordinate system take the main screen upper left corner as true origin, set up secondary screen coordinate system take the secondary screen upper left corner as true origin, by obtaining the coordinate of operating point on main screen on the main electronic whiteboard after the location algorithm computing, the coordinate of operating point on secondary screen on the secondary electronic whiteboard, thus realize main screen coordinate setting and secondary screen coordinate location;
Step 3, the current use pattern of electronic whiteboard software unit notice electronic whiteboard driver element are two plate splicings;
Step 4, electronic whiteboard driver element are set up global coordinate system: the electronic whiteboard driver element take in the main screen upper left corner as the true origin global coordinate system, described global coordinate system is benchmark with the main screen coordinate, pair is shielded the optional position that coordinate system is spliced to the main screen coordinate system, obtain the reference position of true origin under global coordinate system that secondary screen is, obtained the coordinate of point in global coordinate system under the secondary screen coordinate system;
Step 5, electronic whiteboard software unit obtain overall width and the overall height of main screen and secondary screen by DesktopLeft, DesktopTop, DesktopWidth, the DesktopHeight attribute of TScreen class among the Delphi, then Left, Top, Width, the Height attribute of electronic whiteboard software unit main window are set according to described overall width and overall height, make main window demonstration all over the screen in main screen and secondary screen;
Step 6, mouse are when main screen or secondary on-screen options are done, mouse simulation MOUSEEVENT function uses described global coordinate system to calculate by mouse simulation formula, obtain mouse coordinates, carry out mouse action, thereby realize that the user does at the spliced main screen of two plates and secondary on-screen options.
2. the two plates based on electronic whiteboard according to claim 1 splice implementation methods, it is characterized in that: establishing the coordinate of mouse under global coordinate system is (X, Y), if mouse operates at main screen, described mouse simulation formula adopts the first formula, described the first formula is: the horizontal ordinate of the wide * mouse of X=65535/ main screen resolution in the main screen coordinate system, the ordinate of the high * mouse of Y=65535/ main screen resolution in the main screen coordinate system; If mouse is done in secondary on-screen options, described mouse simulation formula adopts the second formula, described the second formula is: the wide * of X=65535/ main screen resolution (horizontal ordinate of mouse in the main screen coordinate system+horizontal ordinate of pair screen coordinate origin in described global coordinate system), the high * of Y=65535/ main screen resolution (ordinate of mouse in the main screen coordinate system+pair shielded the ordinate of coordinate origin in described global coordinate system); Thereby realize in global coordinate system, simulating the position of mouse.
3. the two plates based on electronic whiteboard according to claim 1 splice implementation methods, it is characterized in that: use two pens to write simultaneously operation, described two pen is chief editor and secondary pen, described chief editor writes on the screen therein, secondary pen is write at another screen, described chief editor produces different signals when writing with secondary pen, at first the electronic whiteboard software unit informs that by WINDOWS system message of PossMessage broadcasting the electronic whiteboard driver element opened two pen modes, then electronic whiteboard driver element and electronic whiteboard software unit are set up communication connection by SOCKET, difference by signal identifies writing a little of chief editor and secondary pen, the electronic whiteboard driver element a little passes through coordinate conversion to writing of secondary pen, obtain secondary pen and write the some coordinate in described global coordinate system, then send to the electronic whiteboard software unit, finish the operation of secondary pen on main screen or secondary screen; And the chief editor is mouse, and mouse simulation MOUSEEVENT function uses described global coordinate system to calculate by mouse simulation formula, obtains mouse coordinates, carries out mouse action.
4. the two plates based on electronic whiteboard according to claim 1 splice implementation methods, it is characterized in that: use four and write simultaneously operation, comprise the first chief editor, the first secondary pen, the second chief editor, the second secondary pen, described the first chief editor, the first secondary pen, the second chief editor, the second secondary pen produces different signals when writing, described the first chief editor, the first secondary pen is write at main screen, described the second chief editor, the second secondary pen is write at secondary screen, at first the electronic whiteboard software unit informs that by WINDOWS system message of PossMessage broadcasting the electronic whiteboard driver element opened four pen modes, then electronic whiteboard driver element and electronic whiteboard software unit are set up communication connection by SOCKET, difference by signal identifies the first chief editor, the first secondary pen, the second chief editor, writing a little of the second secondary pen, the electronic whiteboard driver element is the first secondary pen, the second chief editor, the second writing of secondary pen a little passed through respectively coordinate conversion, obtain the first secondary pen, the second chief editor, the second secondary pen write the some coordinate in described global coordinate system, then send to the electronic whiteboard software unit, carry out the first operation and second chief editor of secondary pen on main screen, the second operation of secondary pen on secondary screen; The first chief editor is mouse, and mouse simulation MOUSEEVENT function uses described global coordinate system to calculate by mouse simulation formula, obtains mouse coordinates, carries out mouse action.
5. the two plates based on electronic whiteboard according to claim 1 splice implementation methods, it is characterized in that: in the described step 6, when the child form that calls when described main window need to show, by the GetCursorPos function, obtain the position of current mouse, determine that in conjunction with Left, Top in TScreen class among the Delphi and the TMonitor class, Width, Height attribute current mouse is on main screen again, or on secondary screen, use the SetWindowPos function that subwindow is shown at mouse place screen.
6. the two plates based on electronic whiteboard according to claim 1 splice implementation methods, it is characterized in that: described electronic whiteboard drives by PID and VID differentiation main screen and drives and secondary screen driving, main screen drives the data that receive only main electronic whiteboard, and secondary screen drives the data that receive only secondary electronics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002756.5A CN103049135B (en) | 2013-01-05 | 2013-01-05 | Based on two plate splicing implementation methods of electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002756.5A CN103049135B (en) | 2013-01-05 | 2013-01-05 | Based on two plate splicing implementation methods of electronic whiteboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103049135A true CN103049135A (en) | 2013-04-17 |
| CN103049135B CN103049135B (en) | 2015-11-11 |
Family
ID=48061798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310002756.5A Expired - Fee Related CN103049135B (en) | 2013-01-05 | 2013-01-05 | Based on two plate splicing implementation methods of electronic whiteboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103049135B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729097A (en) * | 2014-01-15 | 2014-04-16 | 锐达互动科技股份有限公司 | Method for supporting writing simultaneously in and out of electronic white board projection area |
| CN104216474A (en) * | 2014-06-12 | 2014-12-17 | 杨博文 | Computer |
| CN105373311A (en) * | 2014-09-02 | 2016-03-02 | 惠州市德赛西威汽车电子股份有限公司 | Automatic calibration method for onboard interconnection two-way mutual control |
| CN109002269A (en) * | 2018-06-28 | 2018-12-14 | 威创集团股份有限公司 | Method, client and the system of a kind of singly-bound mouse control multiple terminals |
| CN109062531A (en) * | 2018-08-15 | 2018-12-21 | 京东方科技集团股份有限公司 | The display methods and display control unit of mosaic screen and mosaic screen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488078A (en) * | 2008-01-15 | 2009-07-22 | 上海交通大学医学院附属瑞金医院 | Double-screen output method for human-machine interaction data |
| CN101937315A (en) * | 2010-06-29 | 2011-01-05 | 上海复创计算机信息技术有限公司 | Multi-screen display operation control system and method |
| CN102147983A (en) * | 2011-04-14 | 2011-08-10 | 华中师范大学 | Electronic dual plate-based dual-image teaching method |
-
2013
- 2013-01-05 CN CN201310002756.5A patent/CN103049135B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729097A (en) * | 2014-01-15 | 2014-04-16 | 锐达互动科技股份有限公司 | Method for supporting writing simultaneously in and out of electronic white board projection area |
| CN103729097B (en) * | 2014-01-15 | 2016-11-09 | 锐达互动科技股份有限公司 | The method simultaneously supporting to write in white board projection area and outside projected area |
| CN104216474A (en) * | 2014-06-12 | 2014-12-17 | 杨博文 | Computer |
| CN105373311A (en) * | 2014-09-02 | 2016-03-02 | 惠州市德赛西威汽车电子股份有限公司 | Automatic calibration method for onboard interconnection two-way mutual control |
| CN105373311B (en) * | 2014-09-02 | 2018-09-28 | 惠州市德赛西威汽车电子股份有限公司 | A kind of vehicle-mounted interconnection Bidirectional mutual controlled automatic calibrating method |
| CN109002269A (en) * | 2018-06-28 | 2018-12-14 | 威创集团股份有限公司 | Method, client and the system of a kind of singly-bound mouse control multiple terminals |
| CN109062531A (en) * | 2018-08-15 | 2018-12-21 | 京东方科技集团股份有限公司 | The display methods and display control unit of mosaic screen and mosaic screen |
| CN109062531B (en) * | 2018-08-15 | 2021-08-27 | 京东方科技集团股份有限公司 | Spliced screen, display method of spliced screen and display control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103049135B (en) | 2015-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103440116B (en) | A kind of interactive electronic demonstration system | |
| CN103049136B (en) | Based on two plate interaction realizing methods of electronic whiteboard | |
| CN102880360B (en) | Infrared type multi-point interaction electric whiteboard system and blank Projection surveying method | |
| CN107193794B (en) | Display content annotating method and device | |
| CN113504852A (en) | Control method of recording and broadcasting integrated intelligent comprehensive screen blackboard system | |
| US9560314B2 (en) | Interactive and shared surfaces | |
| CN102707817B (en) | Laser inscription system | |
| CN110297550B (en) | Label display method and device, screen throwing equipment, terminal and storage medium | |
| CN103049135B (en) | Based on two plate splicing implementation methods of electronic whiteboard | |
| US11528535B2 (en) | Video file playing method and apparatus, and storage medium | |
| US20170269788A1 (en) | Projector screen, touch screen projection displaying method and system | |
| CN108733296B (en) | Method, device and equipment for erasing handwriting | |
| CN203721056U (en) | Multimedia education and teaching device | |
| CN202758328U (en) | Nanometer interactive electronic white board | |
| WO2019033657A1 (en) | Board-writing displaying method, device and apparatus, and computer-readable storage medium | |
| JP2014035670A (en) | Image processor, image processing system, image processing method and program | |
| CN111381790A (en) | Control method, device and system, electronic whiteboard and mobile terminal | |
| CN111352545A (en) | Automatic adsorption method of interactive service and related equipment | |
| CN104282182A (en) | Multimedia teaching system | |
| CN104715700A (en) | Electronic sand table system | |
| CN103680225A (en) | Teaching all-in-one machine and multi-input display method thereof | |
| CN115460353B (en) | Teaching tracking camera equipment configuration method and device, electronic equipment and medium | |
| CN101944296A (en) | Interactive multifunction electronic blackboard teaching system device | |
| CN203858609U (en) | Wall surface integrated electronic white board | |
| CN111966313B (en) | Method, device, equipment and medium for realizing fusion of white boards |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 350000 6, No. 1 Innovation Park, No. 3 east science and technology road, Minhou street, Minhou, Fuzhou. Patentee after: RETURNSTAR INTERACTIVE TECHNOLOGY GROUP Co.,Ltd. Address before: 350000 Building 8, Gulou garden, Citrus Industrial Park, 618 Jinshan Road, Jianxin Town, Cangshan District, Fuzhou, Fujian, China Patentee before: RETURNSTAR INTERACTIVE TECHNOLOGY GROUP Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |