CN103226454A - Method and system for achieving multiscreen display - Google Patents
Method and system for achieving multiscreen display Download PDFInfo
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Abstract
The invention relates to the field of multiscreen display, and provides a method for achieving multiscreen display. The method for achieving multiscreen display comprises the following steps: S1, far-end touch-control equipment acquires screen content, and sends the screen content and an instruction for designating numbers of display equipment to a display control center; and S2, the display control center receives the screen content, and outputs the screen content to the display equipment corresponding to the numbers to achieve multiscreen display according to the instruction. According to the method and the system, the display content of each display equipment can be either consistent or inconsistent, specifically, the far-end touch-control equipment sends the display content to the display equipment control center; the display equipment control center sends the display information to the display equipment for display; and the display equipment control center can be connected with a plurality of display equipment simultaneously, and the far-end touch-control equipment selects the display equipment and sends the selection to the control center. According to the method and the system, the far-end touch-control equipment is used for managing the display content, and the display equipment control center is used for outputting the display content to the display equipment for multiscreen display.
Description
Technical field
The invention belongs to the multihead display field, more specifically, relate to a kind of method and system that realize multihead display.
Background technology
A kind of implementation is at display position contact panel to be installed, and contact panel is connected with PC realizes the touch-control input, and the PC computer expert crosses a video card and is connected with two display devices, and video card is gone up content displayed with PC and projected on two display devices according to rule.This technology is very inconvenient when contact panel is installed, and when the viewing area was bigger, the use contact panel also can be very inconvenient in addition, and when using PC as opertaing device in addition, travelling performance is bad.
Summary of the invention
At the defective of prior art, the object of the present invention is to provide a kind of method that realizes multihead display, be intended to solve prior art and be connected with two display devices by a video card and realize that double screen shows the problem that causes using inconvenience and travelling performance difference.
The invention provides a kind of method that realizes multihead display, comprise the steps:
S1: the far-end touch control device obtains screen content and sends the instruction of screen content and given display device numbering to demonstration control center;
S2: show that control center receives screen content, and according to instruction described screen content is outputed on the corresponding display device of numbering and to realize multihead display.
The present invention also provides a kind of method that realizes multihead display, comprises the steps:
S1: the far-end touch control device obtains screen content and sends screen content by a plurality of communication channels to demonstration control center;
S2: show that control center receives screen content and described screen content outputed on the display device corresponding with communication channel and realize multihead display.
Further, the far-end touch control device obtains two pages and waits to show content and show that on two display devices described two pages of concrete steps of waiting to show content are as follows:
(1) when projection, the projection module sends the projection instruction to the screen management module;
(2) receive described projection instruction, and current page waited to show content and specify first display device to show that the current instruction of waiting to show content sends to described demonstration control center;
(3) show that control center receives current page and waits to show content, and described current page is treated that apparent content outputs to first display device and shows according to instruction;
(4) projection module continuation projection waits to show content, and when one page was waited to show content under the projection of projection module, the projection module sent one page instruction under the projection to the screen management module;
(5) receive projection one page instruction down, and current page waited to show content and specify second display device to show that current page waits to show the instruction of content and send to described demonstration control center;
(6) show that control center receives current page and waits to show content, and described current page is treated that apparent content outputs to second display device and shows according to instruction.
(7) will descend one page to wait to show content and specify first display device to show that one page down waits to show the instruction of content and send to described demonstration control center;
(8) show that one page waits to show content under control center's reception, and described one page is down treated that apparent content outputs to first display device and shows according to instruction.
Further, described method also comprises:
S31: will be presented on the display device of specifying numbering by clipboard module content written.
Further, step S31 specifically comprises:
S311: when the beginning clipboard, the clipboard module sends the instruction of beginning clipboard to the screen management module;
S312: after receiving the instruction of described beginning clipboard, obtain written contents and with described written contents with specify second display device to show that the instruction of written contents sends to described demonstration control center;
S313: show that control center receives described written contents, according to instruction described written contents is outputed to second display device and show, and keep the displaying contents of first display device constant.
Further, described method also comprises:
S32: the content of related PPT is presented on the display device of specifying numbering.
Further, step S32 specifically comprises:
S321: when needs showed that association is waited to show content, the projection module sent associated instructions to the screen management module;
S322: after receiving described associated instructions, obtain that association waits to show content and described association waited to show content and specify second display device to show that the related instruction for the treatment of apparent content sends to described demonstration control center;
S323: show that control center receives described association and waits to show content, according to instruction described association is treated that apparent content outputs to second display device and shows, and keep the displaying contents of first display device constant.
The present invention also provides a kind of system that realizes above-mentioned multi-display method, comprises far-end touch control device, display device controller and a plurality of display device;
Described far-end touch control device is used to obtain screen content and sends screen content to described display controller; Described display device controller is used to receive screen content and described screen content is outputed to corresponding display device; Described display device is used to show described screen content.
Further, described far-end touch control device is mobile phone, panel computer, PC computer or the notebook computer based on android, iOS or the Windows of Microsoft operating system.
Further, described display device controller is connected with described display device by VGA interface, HDMI interface, DVI interface, USB interface, S-Video interface, AV interface or 5BNC interface.
The present invention need not installed touch control device additional on display device, all touch-control inputs are all finished by the far-end touch control device.
Description of drawings
Fig. 1 is the modular structure synoptic diagram of the system of the realization multihead display that provides of the embodiment of the invention;
Fig. 2 is that screen content is shared flow process and realized synoptic diagram in the method for the realization multihead display that provides of the embodiment of the invention;
Fig. 3 is that PPT projection flow process realizes synoptic diagram in the method for the realization multihead display that provides of the embodiment of the invention;
Fig. 4 is that the clipboard flow process realizes synoptic diagram in the method for the realization multihead display that provides of the embodiment of the invention;
Fig. 5 is that related PPT flow process realizes synoptic diagram in the method for the realization multihead display that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Multi-display method provided by the invention can show the displaying contents that the far-end touch control device is set on a plurality of display devices; The displaying contents that the far-end touch control device is set can be the current content displayed of remote equipment, also can be that the far-end touch control device generates, any displaying contents of preserving or managing.
The method of realization multihead display provided by the invention specifically comprises the steps:
S1: the far-end touch control device obtains screen content and sends the instruction of screen content and given display device numbering to demonstration control center;
S2: show that control center receives screen content, and according to instruction described screen content is outputed on the corresponding display device of numbering and to realize multihead display.
In embodiments of the present invention, the far-end touch control device obtains two pages and waits to show content and show that on two display devices two pages of concrete steps of waiting to show content are as follows:
(1) when projection, the projection module sends the projection instruction to the screen management module;
(2) receive described projection instruction, and current page waited to show content and specify first display device to show that the current instruction of waiting to show content sends to described demonstration control center;
(3) show that control center receives current page and waits to show content, and described current page is treated that apparent content outputs to first display device and shows according to instruction;
(4) projection module continuation projection waits to show content, and when one page was waited to show content under the projection of projection module, the projection module sent one page instruction under the projection to the screen management module;
(5) receive projection one page instruction down, and current page waited to show content and specify second display device to show that current page waits to show the instruction of content and send to described demonstration control center;
(6) show that control center receives current page and waits to show content, and described current page is treated that apparent content outputs to second display device and shows according to instruction.
(7) will descend one page to wait to show content and specify first display device to show that one page down waits to show the instruction of content and send to described demonstration control center;
(8) show that one page waits to show content under control center's reception, and described one page is down treated that apparent content outputs to first display device and shows according to instruction.
In embodiments of the present invention, the method for realization multihead display also comprises step S31: will be presented on the display device of specifying numbering by clipboard module content written.
As one embodiment of the present of invention, step S31 specifically comprises:
S311: when the beginning clipboard, the clipboard module sends the instruction of beginning clipboard to the screen management module;
S312: after receiving the instruction of described beginning clipboard, obtain written contents and with described written contents with specify second display device to show that the instruction of written contents sends to described demonstration control center;
S313: show that control center receives described written contents, according to instruction described written contents is outputed to second display device and show, and keep the displaying contents of first display device constant.
In embodiments of the present invention, the method for realization multihead display also comprises step S32: the content of related PPT is presented on the display device of specifying numbering.
As one embodiment of the present of invention, step S32 specifically comprises:
S321: when needs showed that association is waited to show content, the projection module sent associated instructions to the screen management module;
S322: after receiving described associated instructions, obtain that association waits to show content and described association waited to show content and specify second display device to show that the related instruction for the treatment of apparent content sends to described demonstration control center;
S323: show that control center receives described association and waits to show content, according to instruction described association is treated that apparent content outputs to second display device and shows, and keep the displaying contents of first display device constant.
For the method for the realization multihead display that the embodiment of the invention provides further is described, existing is that details are as follows for example with the PPT projection:
Realize multihead display by a plurality of display devices, two display devices for example, the current PPT of display device demonstration all over the screen, the content of another display device other pages of demonstration all over the screen PPT.A display device shows current projection PPT content, and another display device can show any one page PPT presentation content of calling on the touch control device.A display device shows current PPT, and another one display device display screen in real time shows the content of importing on the far-end touch control device.
Now with a far-end touch control device, a display device control center, it is example that a display device control center connects two display devices.Far-end touch control device and display device control center are interconnected by Wi-Fi, and display device control center is connected to example by VGA interface and two VGA displays and describes, and system construction drawing is shown in Fig. 1 (a).
Wi-Fi Direct(directly connects) standard is meant that the equipment that allows in the wireless network need not can interconnect by wireless router, this standard allows wireless device to interconnect with point-to-point form.
Wi-Fi Display(shows) standard is a kind ofly directly to connect based on Wi-Fi Direct() devices interconnect of technology and the solution of Real-Time Sharing screen content.
The far-end touch control device is to showing that control center sends the instruction given display device, shows by Wi-Fi Display(then) agreement realizes that screen content shares, screen content is shared flow process as shown in Figure 2.
(1) the far-end touch control device sends the instruction of given display device numbering, and display device control center just selects the corresponding VGA display device of numbering as display device after receiving instruction.
(2) display device control center returns corresponding response.
(3) the far-end touch control device shows by Wi-Fi Display() shared screen content.
(4) after screen content is received by display device control center, screen content is presented on the display device of the 1st step appointment.
Far-end touch control device function is as follows: (1) PPT projection: realize the projection of PPT lantern slide.(2) clipboard: the input method that provides by touch control device realizes writing arbitrarily, and content written is managed, and for example wipes.(3) screen management: show by Wi-Fi Display() agreement realizes that screen display content is shared.
Display device control center is used for showing control: receive screen content, and screen content is outputed on the display of appointment, and display message can be presented on the display device always.
Be elaborated below in conjunction with example:
(1) PPT projection flow process: finish the PPT projection, and can show two pages of PPT simultaneously on two display devices, PPT shows flow process as shown in Figure 3:
(1.1) in the time of beginning PPT projection, PPT projection module sends beginning PPT projection instruction to the screen management module.
(1.2) after the screen management module was received beginning PPT projection instruction, the beginning screen content was shared flow process, specifies No. 1 equipment as display device in this flow process.
(1.3) PPT projection module is normally shown PPT.
(1.4) when PPT projection module projection down one page the time, PPT projection module sends beginning PPT projection one page instruction down to the screen management module.
(1.5) after the screen management module receives that one page instructs under the beginning PPT projection, obtain the current screen content, send this content to display device control center by ICP/IP protocol then.
(1.6) after display device control center receives orders, content is shown on display device 2, and remain on the display device.
(1.7) since (1.1) step.
(2) clipboard: the content on the clipboard is presented on the display device in real time, and the content on the another one display device can not change.The clipboard flow process is as shown in Figure 4:
(2.1) in the time of the beginning clipboard, the clipboard module sends the instruction of beginning clipboard to the screen management module.
(2.2) after the screen management module was received instruction, the beginning screen content was shared flow process, and given display device is No. 2.
(2.3) beginning is normally write.
(2.4) display device control center shows the screen content of receiving on No. 2 display devices.Display device control center keeps the displaying contents on the display device 1 constant.
(3) related PPT: related PPT, behind any one page PPT of selection, this page can normally be shown on a display device in PPT, and the content on the another one display device does not change.Related PPT flow process is as shown in Figure 4:
(3.1) in the time of the related PPT page or leaf of beginning, PPT projection module sends the PPT associated instructions to the screen management module.
(3.2) the screen management module begins the shared flow process of screen content: given display device is No. 2.
(3.3) PPT projection module begins the related PPT that normal projection is selected, and display device control center shows the content of receiving on 2 good display devices.
(3.4) display device control center keeps the displaying contents on the display device 1 constant.
The present invention also provides the method for another kind of realization multihead display, specifically comprises the steps:
S1: the far-end touch control device obtains screen content and sends screen content by a plurality of communication channels to demonstration control center;
S2: show that control center receives screen content and described screen content outputed on the display device corresponding with communication channel and realize multihead display.
Be with the different of implementation method of front: the far-end touch control device is set up a plurality of communication channels with demonstration control center, appoint corresponding relation between a plurality of communication channels and a plurality of display device, the far-end touch control device waits to show content with two pages, the clipboard content, association is waited to show content and is sent to demonstration control center by different communication channels, shows that control center shows the displaying contents of receiving on the display device of appointing.
Now with a far-end touch control device, a plurality of display device control center, it is example that a display device control center connects a display device.Far-end touch control device and display device control center are interconnected by Wi-Fi, and display device control center is connected to example by VGA interface and two VGA displays and describes, and system construction drawing is shown in Fig. 1 (b).
In the method and system by far-end touch control device realization multihead display disclosed by the invention, the displaying contents of each display device can unanimity also can be inconsistent, be specially the far-end touch control device displaying contents is sent to display device control center, display device control center sends to display device with display message and shows, display device control center can connect a plurality of display devices simultaneously, sends to control center behind the selected display device of far-end touch control device.
The present invention manages displaying contents by a far-end touch control device, by display device control center displaying contents is outputed on the display device to show.The far-end touch control device can adopt based on android, iOS, and the mobile phone of operating systems such as the Windows of Microsoft, panel computers etc. also can be other equipment with touch controllable function.The far-end touch control device is by wired or wireless method and display device control center, netting twine for example, usb line, Wi-Fi, bluetooth or the like, display device control center is by VGA, HDMI, DVI interface, USB interface, the S-Video interface, the AV(composite video signal) interface, display interface modes such as 5BNC interface are connected with display device.
Those skilled in the art will readily understand; the above only is preferred embodiment of the present invention; not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method that realizes multihead display is characterized in that, comprises the steps:
S1: the far-end touch control device obtains screen content and sends the instruction of screen content and given display device numbering to demonstration control center;
S2: show that control center receives screen content, and according to instruction described screen content is outputed on the corresponding display device of numbering and to realize multihead display.
2. a method that realizes multihead display is characterized in that, comprises the steps:
S1: the far-end touch control device obtains screen content and sends screen content by a plurality of communication channels to demonstration control center;
S2: show that control center receives screen content and described screen content outputed on the display device corresponding with communication channel and realize multihead display.
3. the method for claim 1 is characterized in that, the far-end touch control device obtains two pages and waits to show content and show that on two display devices described two pages of concrete steps for the treatment of apparent content are as follows:
(1) when projection, the projection module sends the projection instruction to the screen management module;
(2) receive described projection instruction, and current page waited to show content and specify first display device to show that the current instruction of waiting to show content sends to described demonstration control center;
(3) show that control center receives current page and waits to show content, and described current page is treated that apparent content outputs to first display device and shows according to instruction;
(4) projection module continuation projection waits to show content, and when one page was waited to show content under the projection of projection module, the projection module sent one page instruction under the projection to the screen management module;
(5) receive projection one page instruction down, and current page waited to show content and specify second display device to show that current page waits to show the instruction of content and send to described demonstration control center;
(6) show that control center receives current page and waits to show content, and described current page is treated that apparent content outputs to second display device and shows according to instruction.
(7) will descend one page to wait to show content and specify first display device to show that one page down waits to show the instruction of content and send to described demonstration control center;
(8) show that one page waits to show content under control center's reception, and described one page is down treated that apparent content outputs to first display device and shows according to instruction.
4. method as claimed in claim 1 or 2 is characterized in that, described method also comprises:
S31: will be presented on the display device of specifying numbering by clipboard module content written.
5. method as claimed in claim 4 is characterized in that step S31 specifically comprises:
S311: when the beginning clipboard, the clipboard module sends the instruction of beginning clipboard to the screen management module;
S312: after receiving the instruction of described beginning clipboard, obtain written contents and with described written contents with specify second display device to show that the instruction of written contents sends to described demonstration control center;
S313: show that control center receives described written contents, according to instruction described written contents is outputed to second display device and show, and keep the displaying contents of first display device constant.
6. method as claimed in claim 1 or 2 is characterized in that, described method also comprises:
S32: the content of related PPT is presented on the display device of specifying numbering.
7. method as claimed in claim 6 is characterized in that step S32 specifically comprises:
S321: when needs showed that association is waited to show content, the projection module sent associated instructions to the screen management module;
S322: after receiving described associated instructions, obtain that association waits to show content and described association waited to show content and specify second display device to show that the related instruction for the treatment of apparent content sends to described demonstration control center;
S323: show that control center receives described association and waits to show content, according to instruction described association is treated that apparent content outputs to second display device and shows, and keep the displaying contents of first display device constant.
8. a system that realizes claim 1 or 2 described multi-display methods is characterized in that, comprises far-end touch control device, display device controller and a plurality of display device;
Described far-end touch control device is used to obtain screen content and sends screen content to described display controller; Described display device controller is used to receive screen content and described screen content is outputed to corresponding display device; Described display device is used to show described screen content.
9. system as claimed in claim 8 is characterized in that, described far-end touch control device is mobile phone, panel computer, PC computer or the notebook computer based on android, iOS or the Windows of Microsoft operating system.
10. system as claimed in claim 8 or 9 is characterized in that, described display device controller is connected with described display device by VGA interface, HDMI interface, DVI interface, USB interface, S-Video interface, AV interface or 5BNC interface.
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