CN103632648B - Video double-screen display system and method - Google Patents
Video double-screen display system and method Download PDFInfo
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- CN103632648B CN103632648B CN201310541484.6A CN201310541484A CN103632648B CN 103632648 B CN103632648 B CN 103632648B CN 201310541484 A CN201310541484 A CN 201310541484A CN 103632648 B CN103632648 B CN 103632648B
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Abstract
The invention relates to a video double-screen display system. The video double-screen display system comprises a first display device and a second display device, wherein the first display device is in communication connection with the second display device. The first display device comprises a generation module, a timer, a processing module, a first display module and a transmitting module; all modules are in communication connection with one another and can transmit data to one another; the second display device comprises a receiving module and a second display module, wherein the receiving module receives video information transmitted by the transmitting module and transmits the received video information to the second display module. Through the configuration of the system, the configuration cost of hardware can be reduced; moreover, the video double-screen display system is simple in structure, convenient to maintain, convenient to popularize and lower in manpower and material resource cost of the video double-screen display.
Description
Technical field
The present invention relates to a kind of Double-Screen Display System, more particularly, to a kind of video double-screen display system and method.
Background technology
With the development of market application, the window operation of such as bank, it is operation that checking window of customs etc. needs one end
Librarian use, the other end is checked to client, and original single Display Technique can not meet the needs of various service systems, double
The concept of screen display is given birth to therefrom: by a host computer control, can external two display or a display and one simultaneously
Platform TV simultaneously shows that the effect of different pictures is exactly shuangping san. the proposition of shuangping san, advance the development of double screen video card, and double
Screen display can be widely used in various window services systems. information issuing system and multimedia software system etc. for example in mtv
In synthesizer, operator can be operated to system by the first of computer monitor piece of screen and be adjusted, and pre- by window
The effect look at after operating, and by second piece of screen, client directly can see that the effect oneself sung in systems and captions etc. are believed
Breath.
Some dual-screen display devices existing, hardware cost is very high, and safeguards inconvenient.
Content of the invention
The present invention is to solve the hardware cost height of existing dual-screen display device mentioned above and safeguard inconvenient lacking
Point, provides a kind of video double-screen display system.
Further object is that providing a kind of video double-screen display method.
Specifically, provide a kind of video double-screen display system, it includes the first display device and the second display device, institute
State the first display device to be connected with described second display device communication.
Described first display device includes generation module, timer, processing module, the first display module and transmission mould
Block；Between described modules, mutually communication connects, and can mutually transmit data；Described generation module generates corresponding according to operation
Video information and video information is sent to described timer；Described timer obtains described video according to video displaying frame rate
Video information is simultaneously sent to described processing module by the frame data of information；Described processing module is by described video information
It is sent to described first display module and delivery module after reason；Described first display module is by the video information receiving first
Shown on display device；The video information receiving is sent to described second display device by described delivery module；
Described second display device includes receiver module and the second display module, and described receiver module receives described transmission
The video information of module transmission is simultaneously sent to described second display module.
Preferably, described first display device also includes a detection module, and described detection module is led to described generation module
News connect, and described detection module is used for detecting whether the first display device is connected with the second display device when system is opened, such as
It is in connection status that fruit detects described first display device with described second display device, then send relevant information to described life
Become module.
Preferably, when described detection module monitors that the first display device is not connected with described second display device, meeting
By feedback of the information to described first display module, described first display module can be by this presentation of information, to remind user to connect institute
State the first display device and described second display device.
Preferably, described timer includes main control unit and memory element, and described main control unit shows frame according to video
Rate setting time is spaced, and constantly obtains the frame data of video information according to the time interval setting, and described memory element receives
The frame data of the video information obtaining, and the video information obtaining is carried out being stored and transported to processing module.
Preferably, described processing module includes the first back buffer unit, the second back buffer unit and foreground buffering
Unit, described first back buffer unit, the second back buffer unit and foreground buffer cell pass through exchanging chain page scroll
The video information that interface differential technique receives carries out upset process.
Preferably, the number of times that described upset is processed is three times.
Preferably, a kind of method that video shuangping san is carried out according to aforesaid video double-screen display system, its step bag
Include:
The first step: released the button by system, open system；
Second step: detection module monitors the first display device and whether the second display device connects, is confirming the first display
After equipment and the connection of the second display device, transfer information to generation module；
3rd step: generation module generates the video information needing display, and described video information is stored；
4th step: the main control unit of timer is spaced according to video displaying frame rate setting time, and according to the time setting
Interval constantly obtains the frame data of video information, and memory element receives the frame data of the video information obtaining, and acquisition is regarded
Frequency information carries out being stored and transported to processing module；
5th step: the first back buffer unit, the second back buffer unit and foreground buffer cell pass through exchanging chain page
Face turnover technology carries out three upsets and processes to the video information receiving；
6th step: the first display module shows described video information on the first display device；
7th step: video information is sent to the second display device by delivery module, the second display module sets in the second display
Video information described in standby upper simultaneous display.
The present invention passes through the configuration of this system, saves the cost of hardware configuration, and the system structure is simple, maintenance side
Just, it is easy to promote the use of, reduce the manpower and materials cost of video shuangping san.
Brief description
Fig. 1 is the structural schematic block diagram of the present invention；
Fig. 2 is the structural schematic block diagram of the processing module of the present invention；
Fig. 3 is method of the present invention flow chart.
Specific embodiment
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
A kind of video double-screen display system, it includes the first display device 1 and the second display device 2, and the first display sets
Standby 1 is connected with the second display device 2 communication；
First display device 1 includes generation module 10, timer 12, processing module 13, the first display module 14 and passes
Send module 15；Between modules, mutually communication connects, and can mutually transmit data；Generation module 10 generates corresponding according to operation
Video information and video information is sent to timer 12；Timer 12 obtains described video information according to video displaying frame rate
Frame data and video information is sent to processing module 13；Processing module 13 is sent to after being processed described video information
First display module 14 and delivery module 15；First display module 14 is by the video information receiving on the first display device 1
Shown；The video information receiving is sent to the second display device 2 by delivery module 15；
Second display device 2 includes receiver module 20 and the second display module 21, and receiver module 20 receives delivery module
The video information of 15 transmission is simultaneously sent to the second display module 21.
Preferably, the first display device 1 also includes a detection module 11, and detection module 11 is with generation module 10 communication even
Connect, detection module 11 is used for detecting when system is opened whether the first display device 1 is connected with the second display device 2, if inspection
Measuring the first display device 1 and the second display device 2 is in connection status, then send relevant information to generation module 10.
Preferably, when detection module 11 monitors the first display device 1 and the second display device 2 is not connected with, can will believe
Breath feeds back to the first display module 14, and this presentation of information can be set by the first display module 14 with reminding user to connect the first display
Standby 1 and second display device 2.
Preferably, 12 timers include main control unit 120 and memory element 121, and main control unit 120 shows according to video
Frame per second setting time is spaced, and constantly obtains the frame data of video information according to the time interval setting, and memory element 121 receives
The frame data of the video information obtaining, and the video information obtaining is carried out being stored and transported to processing module 13.
Preferably, processing module 13 includes the first back buffer unit 130, the second back buffer unit 131 and foreground
Buffer cell 132, the first back buffer unit 130, the second back buffer unit 131 and foreground buffer cell 132 pass through to hand over
Change the video information that chain page scroll interface differential technique receives and carry out upset process.
Preferably, the number of times that upset is processed is three times.
A kind of method that video shuangping san is carried out according to aforesaid video double-screen display system, as shown in Fig. 2 its work
Flow process is as described below:
The first step: released the button by system, open system；
Second step: detection module 11 monitoring first display sets whether 1 connect for the second display device 2, is confirming first
After display device 1 and the second display device 2 connection, transfer information to generation module 10；
3rd step: generation module 10 generates the video information needing display, and described video information is stored；
4th step: the main control unit 120 of timer 12 is spaced according to video displaying frame rate setting time, and according to setting
Time interval constantly obtains the frame data of video information, and memory element 121 receives the frame data of the video information obtaining, and to obtaining
The video information taking carries out being stored and transported to processing module 13；
5th step: the first back buffer unit 130, the second back buffer unit 131 and foreground buffer cell 132 pass through
The video information that exchanging chain page scroll interface differential technique receives carries out three upsets and processes；
6th step: the first display module 14 shows described video information on the first display device 1；
7th step: video information is sent to the second display device 2 by delivery module 15, the second display module 21 is aobvious second
Show video information described in simultaneous display on equipment.
The present invention passes through the configuration of this system, saves the cost of hardware configuration, and the system structure is simple, maintenance side
Just, it is easy to promote the use of, reduce the manpower and materials cost of video shuangping san.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the invention of this reality, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should wrap
It is contained within protection scope of the present invention.
Claims (4)
1. a kind of video double-screen display system it is characterised in that: it includes the first display device and the second display device, described
First display device is connected with described second display device communication；
Described first display device includes generation module, timer, processing module, the first display module and delivery module；Respectively
Between individual module, mutually communication connects, and can mutually transmit data；Described generation module generates corresponding video letter according to operation
Video information is simultaneously sent to described timer by breath；Described timer obtains the frame of described video information according to video displaying frame rate
Video information is simultaneously sent to described processing module by data；Described processing module is sent to after being processed described video information
Described first display module and delivery module；Described first display module is by the video information receiving on the first display device
Shown；The video information receiving is sent to described second display device by described delivery module；
Described second display device includes receiver module and the second display module, and described receiver module receives described delivery module
The video information of transmission is simultaneously sent to described second display module；
Wherein, described timer includes main control unit and memory element, and described main control unit sets according to video displaying frame rate
Time interval, and the frame data of video information are constantly obtained according to the time interval setting, described memory element receives acquisition
The frame data of video information, and the video information obtaining is carried out being stored and transported to processing module；
Described processing module includes the first back buffer unit, the second back buffer unit and foreground buffer cell, and described
One back buffer unit, the second back buffer unit and foreground buffer cell are received by exchanging chain page scroll interface differential technique
Video information carry out upset process；
Described first display device also includes a detection module, and described detection module is connected with the communication of described generation module, described
Detection module is used for detecting whether the first display device is connected with the second display device when system is opened, if detecting described
First display device is in connection status with described second display device, then send relevant information to described generation module.
2. a kind of video double-screen display system according to claim 1 it is characterised in that: when described detection module monitors
When first display device and described second display device are not connected with, can by feedback of the information to described first display module, described the
One display module can be by this presentation of information, to remind user to connect described first display device and described second display device.
3. a kind of video double-screen display system according to claim 1 it is characterised in that: described upset process number of times be
Three times.
4. a kind of method that video double-screen display system according to aforementioned any claim carries out video shuangping san, its
It is characterised by: its step includes:
The first step: released the button by system, open system；
Second step: detection module monitors the first display device and whether the second display device connects, is confirming the first display device
After connecting with the second display device, transfer information to generation module；
3rd step: generation module generates the video information needing display, and described video information is stored；
4th step: timer is spaced according to video displaying frame rate setting time, and constantly acquisition regards according to the time interval setting
The frame data of frequency information, memory element receives the frame data of the video information obtaining, and the video information obtaining is stored
And it is sent to processing module；
5th step: the first display module shows described video information on the first display device；
6th step: video information is sent to the second display device by delivery module, the second display module is on the second display device
Video information described in simultaneous display.
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| CN104391669A (en) * | 2014-11-13 | 2015-03-04 | 深圳市中兴移动通信有限公司 | Display terminal, terminal display control method and terminal display control system |
| CN108924519A (en) * | 2018-08-29 | 2018-11-30 | 杭州亨百信息科技有限公司 | It is a kind of intelligently to inquest control system, console and its control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101505385A (en) * | 2008-02-05 | 2009-08-12 | 佳能株式会社 | Video output apparatus, display system, and video output method |
| CN102036035A (en) * | 2009-09-24 | 2011-04-27 | Lg电子株式会社 | Method of displaying data and display device using the method |
| CN103246316A (en) * | 2012-02-07 | 2013-08-14 | 联想(北京)有限公司 | Information processing device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120133271A (en) * | 2011-05-31 | 2012-12-10 | 이은석 | Multiple display apparatus having removable panel, and computer employing the same |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505385A (en) * | 2008-02-05 | 2009-08-12 | 佳能株式会社 | Video output apparatus, display system, and video output method |
| CN102036035A (en) * | 2009-09-24 | 2011-04-27 | Lg电子株式会社 | Method of displaying data and display device using the method |
| CN103246316A (en) * | 2012-02-07 | 2013-08-14 | 联想(北京)有限公司 | Information processing device and method |
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Effective date of registration: 20190315 Address after: Room 818, Block A, Great Wall Building 22, Shijingshan District, Beijing 100043 Patentee after: Beijing Huilong Wantong Technology Co., Ltd. Address before: Haidian District City, West Third Ring Road North, 72 century economic and Trade Building (opposite the Capital Normal University), block B, floor 27, Beijing Patentee before: FEIGE KANGCAI (BEIJING) SOFTWARE TECHNOLOGY CO., LTD. |