CN103049135B - Based on two plate splicing implementation methods of electronic whiteboard - Google Patents
Based on two plate splicing implementation methods of electronic whiteboard Download PDFInfo
- Publication number
- CN103049135B CN103049135B CN201310002756.5A CN201310002756A CN103049135B CN 103049135 B CN103049135 B CN 103049135B CN 201310002756 A CN201310002756 A CN 201310002756A CN 103049135 B CN103049135 B CN 103049135B
- Authority
- CN
- China
- Prior art keywords
- screen
- electronic whiteboard
- mouse
- coordinate system
- pen
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 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 3
- 230000002452 interceptive effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Controls And Circuits For Display Device (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a kind of two plate splicing implementation methods based on electronic whiteboard, first electronic whiteboard driver element obtains the resolution of main screen and the resolution of origin coordinates and secondary screen and origin coordinates, and correct main screen and secondary screen respectively by location algorithm, electronic whiteboard software unit passes through DesktopLeft, DesktopTop, DesktopWidth, 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, Height attribute, make main window display all over the screen in main screen and secondary screen, mouse emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtain mouse coordinates, also can realize two pen on main window or four write simultaneously, interactive stronger.
Description
[technical field]
The present invention relates to 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, integrate sound, image, word, video various multimedia coursewares enter classroom.Gather 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 is by hardware electronic blank, for the electronic whiteboard driver element be connected with hardware electronic blank and locate, be presented to user and the identification software providing the electronic whiteboard software unit of user's editor and form handwriting input forms.But the application of existing electronic whiteboard technology in teaching is also only confined to veneer teaching, makes the interactive of teaching receive very big restriction, cannot teaching demand be met.
[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, compared with it is imparted knowledge to students with traditional veneer, make education informations quantitative change large, two pieces of electronic whiteboards are combined into super large screen blank, support the large image content that display two projection screens are spliced into, document when front opening is in full screen in two screens, concerning user, the visual field is larger, the content of display sees more clearly, simultaneously, user can use two pen to carry out writing or using four pens simultaneously in two screens, wherein write at a screen for two, write at another one screen for other two, interactive stronger.
The present invention is achieved in that
Based on two plate splicing implementation methods of 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, by main screen and the secondary screen of described computing machine definition projection, described main screen is driven by main screen and operates, described secondary screen is operated by the driving of secondary screen, the electronic whiteboard be connected is driven to be main electronic whiteboard with main screen, shielding with pair drives the electronic whiteboard be connected to be secondary electronic whiteboard, described pair of plate splicing implementation method comprises the steps:
Step 1, electronic whiteboard driver element enumerate 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 correct main screen and secondary screen respectively by location algorithm: with the main screen upper left corner for true origin sets up main screen coordinate system, with the secondary screen upper left corner for true origin sets up secondary screen coordinate system, by obtaining the operating point coordinate on the home screen on main electronic whiteboard after location algorithm computing, the coordinate of operating point on secondary screen on secondary electronic whiteboard, thus realize main screen coordinate setting and secondary screen coordinate location;
The current using forestland of step 3, electronic whiteboard software unit notice electronic whiteboard driver element be that two plate splices;
Step 4, electronic whiteboard driver element set up global coordinate system: electronic whiteboard driver element with the main screen upper left corner for true origin sets up global coordinate system, described global coordinate system is benchmark with main screen coordinate, pair is shielded the optional position that coordinate system is spliced to main screen coordinate system, obtain the reference position of true origin under global coordinate system of secondary screen coordinate system, obtain the coordinate of point in global coordinate system under 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, DesktopHeight attribute of TScreen class in Delphi, then Left, Top, Width, Height attribute of electronic whiteboard software unit main window is set according to described overall width and overall height, makes main window display 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 emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtain mouse coordinates, perform mouse action, thus realize user at the spliced main screen of two plate and secondary on-screen options work.
Further, use four and write operation simultaneously, comprise the first chief editor, first secondary pen, second chief editor, second secondary pen, described first chief editor, first secondary pen, second chief editor, second secondary pen produces different signals when writing, described first chief editor, first secondary pen is write at main screen, described second chief editor, second secondary pen is write at secondary screen, first electronic whiteboard software unit is broadcasted a WINDOWS system message by PossMessage and is informed that electronic whiteboard driver element opens four pen modes, then electronic whiteboard driver element and electronic whiteboard software unit set up communication connection by SOCKET, identify the first chief editor by the difference of signal, first secondary pen, second chief editor, second secondary pen write a little, electronic whiteboard driver element is the first secondary pen, second chief editor, second secondary pen write a little respectively by coordinate conversion, obtain the first secondary pen, second chief editor, the coordinate write a little in described global coordinate system of the second secondary pen, then sends to electronic whiteboard software unit, performs the operation on the home screen of the first secondary pen and the second chief editor, second operation of secondary pen on secondary screen, and the first chief editor is mouse, mouse emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtains mouse coordinates, performs mouse action.
Further, in described step 6, when the child form that described main window calls needs display, by GetCursorPos function, obtain the position of current mouse, be on the home screen in conjunction with Left, Top, Width, Height attribute determination current mouse in TScreen class in Delphi and TMonitor class again, or on secondary screen, use SetWindowPos function that subwindow is shown on the screen of mouse place.
Further, described electronic whiteboard is driven through PID and VID differentiation main screen and drives and secondary screen driving, and main screen drives the data receiving only main electronic whiteboard, and secondary screen drives the data receiving only secondary electronic whiteboard.
Tool of the present invention has the following advantages:
The present invention distinguishes main screen driving by PID and VID and secondary screen drives, and main screen drives the data receiving only main electronic whiteboard, secondary screen drives the data receiving only secondary electronic whiteboard, electronic whiteboard software unit passes through DesktopLeft, DesktopTop, DesktopWidth, 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, Height attribute, make main window display all over the screen in main screen and secondary screen, when mouse operates on the main window of electronic whiteboard software unit, mouse emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtain mouse coordinates, perform mouse action, also can realize two pen on the main window of electronic whiteboard software or four write simultaneously, interactive stronger.
[accompanying drawing explanation]
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 pair screen coordinate system true origin in global coordinate system.
[embodiment]
Based on two plate splicing implementation methods of 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, by main screen and the secondary screen of described computing machine definition projection, described main screen is driven by main screen and operates, described secondary screen is operated by the driving of secondary screen, the electronic whiteboard be connected is driven to be main electronic whiteboard with main screen, then main screen is projected on main electronic whiteboard, shielding with pair drives the electronic whiteboard be connected to be secondary electronic whiteboard, then secondary screen prjection described electronic whiteboard on secondary electronic whiteboard is driven through PID and VID differentiation main screen driving and secondary screen driving, main screen drives the data receiving only main electronic whiteboard, secondary screen drives the data receiving only secondary electronic whiteboard, described pair of plate splicing implementation method comprises the steps:
Step 1, electronic whiteboard driver element enumerate the information of computer display apparatus, obtain resolution and the origin coordinates of main screen, and the resolution of secondary screen and origin coordinates (in the present invention, display device is projector);
Step 2, electronic whiteboard driver element correct main screen and secondary screen respectively by location algorithm: with the main screen upper left corner for true origin sets up main screen coordinate system, with the secondary screen upper left corner for true origin sets up secondary screen coordinate system, by obtaining the operating point coordinate on the home screen on main electronic whiteboard after location algorithm computing, the coordinate of operating point on secondary screen on secondary electronic whiteboard, thus realize main screen coordinate setting and secondary screen coordinate location; Described location algorithm is this area common technology, the free pulling method algorithm of general employing;
The current using forestland of step 3, electronic whiteboard software unit notice electronic whiteboard driver element be that two plate splices;
Step 4, electronic whiteboard driver element set up global coordinate system: electronic whiteboard driver element with the main screen upper left corner for true origin sets up global coordinate system, described global coordinate system is benchmark with main screen coordinate, pair is shielded the optional position that coordinate system is spliced to main screen coordinate system, obtain the reference position of true origin under global coordinate system of secondary screen coordinate system, obtain the coordinate of point in global coordinate system under secondary screen coordinate system; Refer to shown in Fig. 1, the true origin (0 of global coordinate system, 0) with the true origin of main screen coordinate system for benchmark, suppose that the resolution of 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 difference of main screen and secondary screen, if ordinate in Fig. 1 is 20;
Step 5, electronic whiteboard software unit obtain overall width and the overall height of main screen and secondary screen by DesktopLeft, DesktopTop, DesktopWidth, DesktopHeight attribute of TScreen class in Delphi, then Left, Top, Width, Height attribute of electronic whiteboard software unit main window is set according to described overall width and overall height, makes main window display 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 be in full screen in two screens by the document when front opening by the large image content that display two projection screens are spliced into, concerning user, the visual field is larger, and the content of display sees more clearly;
Step 6, mouse are when main screen or secondary on-screen options are done, mouse emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtain mouse coordinates, perform mouse action, thus realize user at the spliced main screen of two plate and secondary on-screen options work.When the child form that described main window calls needs display, by GetCursorPos function, obtain the position of current mouse, on the home screen in conjunction with Left, Top, Width, Height attribute determination current mouse in TScreen class in Delphi and TMonitor class again, or on secondary screen, use SetWindowPos function that subwindow is shown on the screen of mouse place.
Described mouse emulation formula is specially: set the coordinate of mouse under global coordinate system as (X, Y), if mouse operates on the home screen, described mouse emulation formula adopts the first formula, described first formula is: the horizontal ordinate of the wide * mouse of X=65535/ main screen resolution in main screen coordinate system, the ordinate of Y=65535/ main screen resolution height * mouse in main screen coordinate system; If mouse is done in secondary on-screen options, described mouse emulation formula adopts the second formula, described 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), Y=65535/ main screen resolution height * (ordinate of mouse in the main screen coordinate system+ordinate of pair screen coordinate origin in described global coordinate system); Thus realize the position simulating mouse in global coordinate system.
Use two pen to write operation simultaneously, described pair of pen is chief editor and secondary pen, described chief editor wherein a screen is write, secondary pen is write on another screen, described chief editor and secondary pen produce different signals when writing, first electronic whiteboard software unit is broadcasted a WINDOWS system message by PossMessage and is informed that electronic whiteboard driver element opens two pen mode, then electronic whiteboard driver element and electronic whiteboard software unit set up communication connection by SOCKET, that identifies chief editor and secondary pen by the difference of signal writes a little, electronic whiteboard driver element a little passes through coordinate conversion writing of secondary pen, obtain secondary pen and write coordinate a little in described global coordinate system, then electronic whiteboard software unit is sent to, complete the operation of secondary pen on main screen or secondary screen, and chief editor is mouse, mouse emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtains mouse coordinates, performs mouse action.
Use four and write operation simultaneously, comprise the first chief editor, first secondary pen, second chief editor, second secondary pen, described first chief editor, first secondary pen, second chief editor, second secondary pen produces different signals when writing, described first chief editor, first secondary pen is write at main screen, described second chief editor, second secondary pen is write at secondary screen, or described second chief editor, second secondary pen is write at main screen, described first chief editor, first secondary pen is write at secondary screen, first electronic whiteboard software unit is broadcasted a WINDOWS system message by PossMessage and is informed that electronic whiteboard driver element opens four pen modes, then electronic whiteboard driver element and electronic whiteboard software unit set up communication connection by SOCKET, identify the first chief editor by the difference of signal, first secondary pen, second chief editor, second secondary pen write a little, electronic whiteboard driver element is the first secondary pen, second chief editor, second secondary pen write a little respectively by coordinate conversion, obtain the first secondary pen, second chief editor, the coordinate write a little in described global coordinate system of the second secondary pen, then sends to electronic whiteboard software unit, performs the operation on the home screen of the first secondary pen and the second chief editor, second operation of secondary pen on secondary screen, first chief editor is mouse, and mouse emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtains mouse coordinates, performs mouse action.In the present embodiment, first chief editor is set, first secondary pen, second chief editor, second secondary pen produces different signals when writing (described signal is electromagnetic wave signal, different signals refers to that the frequency of electromagnetic wave signal is different), can be specifically the first chief editor, first secondary pen, second chief editor, 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 identical signal, be defined as the first signal, then another identical signal of producing with the second secondary pen of the first secondary pen, be defined as secondary signal, first signal and secondary signal are not identical, because the first chief editor and the second chief editor can not write on the screen at the same simultaneously, even if even if so the first chief editor and the second chief editor produce identical signal, or can distinguish by the first chief editor is different with the screen that the second chief editor writes.
Although the foregoing describe the specific embodiment of the present invention; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present invention and change, should be encompassed in scope that claim of the present invention protects.
Claims (5)
1. based on two plate splicing implementation methods of electronic whiteboard, 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, by main screen and the secondary screen of described computing machine definition projection, described main screen is driven by main screen and operates, described secondary screen is operated by the driving of secondary screen, the electronic whiteboard be connected is driven to be main electronic whiteboard with main screen, shielding with pair drives the electronic whiteboard be connected to be secondary electronic whiteboard, described pair of plate splicing implementation method comprises the steps:
Step 1, electronic whiteboard driver element enumerate 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 correct main screen and secondary screen respectively by location algorithm: with the main screen upper left corner for true origin sets up main screen coordinate system, with the secondary screen upper left corner for true origin sets up secondary screen coordinate system, by obtaining the operating point coordinate on the home screen on main electronic whiteboard after location algorithm computing, the coordinate of operating point on secondary screen on secondary electronic whiteboard, thus realize main screen coordinate setting and secondary screen coordinate location;
The current using forestland of step 3, electronic whiteboard software unit notice electronic whiteboard driver element be that two plate splices;
Step 4, electronic whiteboard driver element set up global coordinate system: electronic whiteboard driver element with the main screen upper left corner for true origin sets up global coordinate system, described global coordinate system is benchmark with main screen coordinate, pair is shielded the optional position that coordinate system is spliced to main screen coordinate system, obtain the reference position of true origin under global coordinate system of secondary screen coordinate system, obtain the coordinate of point in global coordinate system under secondary screen coordinate system;
Particularly, if the coordinate of mouse under global coordinate system is (X, Y), if mouse operates on the home screen, described mouse emulation formula adopts the first formula, described first formula is: the horizontal ordinate of the wide * mouse of X=65535/ main screen resolution in main screen coordinate system, the ordinate of Y=65535/ main screen resolution height * mouse in main screen coordinate system; If mouse is done in secondary on-screen options, described mouse emulation formula adopts the second formula, described 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), Y=65535/ main screen resolution height * (ordinate of mouse in the main screen coordinate system+ordinate of pair screen coordinate origin in described global coordinate system); Thus realize the position simulating mouse in global 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, DesktopHeight attribute of TScreen class in Delphi, then Left, Top, Width, Height attribute of electronic whiteboard software unit main window is set according to described overall width and overall height, makes main window display 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 emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtain mouse coordinates, perform mouse action, thus realize user at the spliced main screen of two plate and secondary on-screen options work.
2. the two plate splicing implementation methods based on electronic whiteboard according to claim 1, it is characterized in that: use two pen to write operation simultaneously, described pair of pen is chief editor and secondary pen, described chief editor wherein a screen is write, secondary pen is write on another screen, described chief editor and secondary pen produce different signals when writing, first electronic whiteboard software unit is broadcasted a WINDOWS system message by PossMessage and is informed that electronic whiteboard driver element opens two pen mode, then electronic whiteboard driver element and electronic whiteboard software unit set up communication connection by SOCKET, that identifies chief editor and secondary pen by the difference of signal writes a little, electronic whiteboard driver element a little passes through coordinate conversion writing of secondary pen, obtain secondary pen and write coordinate a little in described global coordinate system, then electronic whiteboard software unit is sent to, complete the operation of secondary pen on main screen or secondary screen, and chief editor is mouse, mouse emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtains mouse coordinates, performs mouse action.
3. the two plate splicing implementation methods based on electronic whiteboard according to claim 1, is characterized in that: use four and write operation simultaneously, comprise the first chief editor, first secondary pen, second chief editor, second secondary pen, described first chief editor, first secondary pen, second chief editor, second secondary pen produces different signals when writing, described first chief editor, first secondary pen is write at main screen, described second chief editor, second secondary pen is write at secondary screen, first electronic whiteboard software unit is broadcasted a WINDOWS system message by PossMessage and is informed that electronic whiteboard driver element opens four pen modes, then electronic whiteboard driver element and electronic whiteboard software unit set up communication connection by SOCKET, identify the first chief editor by the difference of signal, first secondary pen, second chief editor, second secondary pen write a little, electronic whiteboard driver element is the first secondary pen, second chief editor, second secondary pen write a little respectively by coordinate conversion, obtain the first secondary pen, second chief editor, the coordinate write a little in described global coordinate system of the second secondary pen, then sends to electronic whiteboard software unit, performs the operation on the home screen of the first secondary pen and the second chief editor, second operation of secondary pen on secondary screen, first chief editor is mouse, and mouse emulation MOUSEEVENT function uses described global coordinate system to be calculated by mouse emulation formula, obtains mouse coordinates, performs mouse action.
4. the two plate splicing implementation methods based on electronic whiteboard according to claim 1, it is characterized in that: in described step 6, when the child form that described main window calls needs display, by GetCursorPos function, obtain the position of current mouse, on the home screen in conjunction with Left, Top, Width, Height attribute determination current mouse in TScreen class in Delphi and TMonitor class again, or on secondary screen, use SetWindowPos function that subwindow is shown on the screen of mouse place.
5. the two plate splicing implementation methods based on electronic whiteboard according to claim 1, it is characterized in that: described electronic whiteboard is driven through PID and VID differentiation main screen and drives and secondary screen driving, main screen drives the data receiving only main electronic whiteboard, and secondary screen drives the data receiving only secondary electronic whiteboard.
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 CN103049135A (en) | 2013-04-17 |
| CN103049135B true 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) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN109002269B (en) * | 2018-06-28 | 2021-05-14 | 威创集团股份有限公司 | Method, client and system for controlling multiple terminals by single-key mouse |
| 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 |
| CN118092750A (en) * | 2024-04-29 | 2024-05-28 | 杭州度康科技有限公司 | Double-screen vision-aiding display method, device and equipment suitable for low-vision crowd |
Citations (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 of man-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
Patent Citations (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 of man-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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103049135A (en) | 2013-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103049136B (en) | Based on two plate interaction realizing methods of electronic whiteboard | |
| CN103049135B (en) | Based on two plate splicing implementation methods of electronic whiteboard | |
| CN109509375B (en) | Recording and broadcasting integrated intelligent comprehensive screen blackboard system and control method thereof | |
| CN103440116B (en) | A kind of interactive electronic demonstration system | |
| CN102880360B (en) | Infrared type multi-point interaction electric whiteboard system and blank Projection surveying method | |
| CN107193794B (en) | Display content annotating method and device | |
| CN106945433B (en) | Nanometer touch-control blackboard and interactive intelligent blackboard | |
| CN102707817B (en) | Laser inscription system | |
| US20130135346A1 (en) | Image processing apparatus, image processing system, method, and computer program product | |
| US11528535B2 (en) | Video file playing method and apparatus, and storage medium | |
| CN108733296B (en) | Method, device and equipment for erasing handwriting | |
| CN203721056U (en) | Multimedia education and teaching device | |
| CN105159593A (en) | Multipoint touch method, virtual driver and system under multi-screen splitting mode | |
| US9177405B2 (en) | Image processing apparatus, computer program product, and image processing system | |
| CN103000056A (en) | Multimedia intelligent interactive all-in-one machine for teaching | |
| CN111352545A (en) | Automatic adsorption method of interactive service and related equipment | |
| CN203552237U (en) | Interactive electronic demonstration system | |
| WO2019033657A1 (en) | Board-writing displaying method, device and apparatus, and computer-readable storage medium | |
| CN104715700A (en) | Electronic sand table system | |
| CN102520859A (en) | Multipoint touch method and system for teaching | |
| CN204791584U (en) | Touch electronic blackboard TV | |
| CN202433858U (en) | Multi-screen multi-touch system | |
| CN101944296A (en) | Interactive multifunction electronic blackboard teaching system device | |
| WO2018045685A1 (en) | Picture display method and device | |
| CN203858609U (en) | Wall surface integrated electronic white board |
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 |