CN108111712A - A kind of system and method realized vision signal and automatically switched with usb signal - Google Patents
A kind of system and method realized vision signal and automatically switched with usb signal Download PDFInfo
- Publication number
- CN108111712A CN108111712A CN201810002384.9A CN201810002384A CN108111712A CN 108111712 A CN108111712 A CN 108111712A CN 201810002384 A CN201810002384 A CN 201810002384A CN 108111712 A CN108111712 A CN 108111712A
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- Prior art keywords
- signal
- selection module
- route selection
- vision signal
- usb
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention relates to a kind of system and method realized vision signal and automatically switched with usb signal, including vision signal route selection module, usb signal route selection module；Multi-channel video signal is inputted to vision signal route selection module, multichannel usb signal is inputted to usb signal route selection module, vision signal route selection module exports the vision signal for needing to export to liquid crystal display, simultaneously, vision signal route selection module judges to need the video source of the vision signal exported, and will determine that result is sent to usb signal route selection module, usb signal route selection module exports the usb signal of the video source according to the judging result received.The present invention realizes the vision signal of different video signaling interface and usb signal synchronism switching, convenient for user's practical operation.
Description
Technical field
The present invention relates to a kind of system and methods realized vision signal and automatically switched with usb signal, belong to network communication
Technical field.
Background technology
Usual display apparatus for commercial use only supports vision signal input all the way, and the usb signal of video signal source is by host output
It can.But, it is necessary to which switching mode is output to display under the applicable cases exported in multi-channel video input, single channel video, but it is arbitrary
The video bus that moment only has host all the way is connected with display, therefore, when more hosts start simultaneously, can only ensure and show
The USB devices such as the exportable vision signal of host that device is connected, keyboard and mouse are also required to manual switching to respective host could be after
It is continuous to be operated.
Chinese patent literature CN 203368605U disclose a kind of multichannel audio-video frequency signal and usb signal switching device, bag
Route selection module and signal amplification module are included, which is connected with the signal amplification module, and the route selection module is at least two-way
Audio-video signal and usb signal make choice, and export selected audio-video signal all the way and usb signal, signal amplification mould
Block is amplified selected audio-video signal all the way and usb signal.The utility model sets multipath VGA, Audio signaling interfaces
And multichannel USB interface, multipath VGA, Audio signaling interfaces and multichannel USB interface connect different host computers respectively, touch one
When body machine needs to connect different host computers, as long as being carried out between different groups of VGA, Audio signaling interface and USB interface
Switching, the utility model also set up power amplifier device, and selected VGA, Audio signal and usb signal are amplified,
Make the content shown on touch one-piece machine apparent.But there are following defects for the patent：The multi-channel video signal of input is necessary
While could realize the switching to vision signal for VGA signals, if the video interface of host exports for DVI or HDMI interface,
It can not be realized using this method.
The content of the invention
In view of the deficiencies of the prior art, realize that vision signal is with what usb signal automatically switched the present invention provides a kind of
System；
The present invention also provides above systems to realize vision signal and the method for usb signal automatic switchover；
The present invention increases a usb signal route selection module, over the display the public output interface of integration USB, when video is believed
Number switching channel, then usb signal also switch to respective channel and export.
The technical scheme is that：
A kind of system realized vision signal and automatically switched with usb signal, including vision signal route selection module, usb signal
Route selection module；Multi-channel video signal is inputted to the vision signal route selection module, and multichannel usb signal is inputted to the usb signal
Route selection module, the vision signal route selection module export the vision signal for needing to export to liquid crystal display, meanwhile, the video letter
Number route selection module judges to need the video source of the vision signal exported, and will determine that result is sent to the usb signal routing mould
Block, the usb signal route selection module export the usb signal of the video source according to the judging result received.
The present invention realizes the vision signal of different video signaling interface and usb signal synchronism switching, actual convenient for user
Operation.
Preferred according to the present invention, the multi-channel video signal includes VGA signals, all the way DVI signals, all the way HDMI all the way
Appoint tri- tunnels of two-way Huo Ren in signal.
The present invention can realize all the way VGA signals, all the way DVI signals, HDMI signals and usb signal input simultaneously all the way,
It is switched to LVDS or eDP vision signals and is directly output to liquid crystal display, while switch usb signal output.
Preferred according to the present invention, the vision signal route selection module includes main control chip, the model of the main control chip
For RTD2556T；The main control chip will need the vision signal that exports to export to liquid crystal display, and by the vision signal of the output
Video source be sent to the usb signal route selection module.
Preferred according to the present invention, the usb signal route selection module selects a chip including four, and described four select the type of a chip
Number for MAX4999ETJ+, described four select a chip according to the judging result received, export the usb signal of the video source.
Above system realizes the method that vision signal automatically switches with usb signal, including：
(1) multi-channel video signal is inputted to the vision signal route selection module, and multichannel usb signal, which is inputted to the USB, to be believed
Number route selection module, the vision signal route selection module export the vision signal for needing to export to liquid crystal display, meanwhile, the video
Signal routing module judges to need the video source of the vision signal exported, and will determine that result is sent to the usb signal routing
Module；
(2) the usb signal route selection module exports the usb signal of the video source according to the judging result received.
It is preferred according to the present invention, the step (1), including：
All the way VGA signals, all the way DVI signals, HDMI signals are inputted to the vision signal route selection module, three tunnels all the way
Usb signal is inputted to the usb signal route selection module, and the vision signal route selection module will need the vision signal exported to export
To liquid crystal display, meanwhile, the vision signal route selection module judges to need the video source of the vision signal exported, that is, judges it is all the way
VGA signals, all the way DVI signals, all the way which signal in HDMI signals, and will determine that result is sent to the usb signal
Route selection module.
Preferred according to the present invention, the step (1) is cut according to the priority of the multi-channel video signal of setting or manually
Change, the vision signal route selection module will need the vision signal that exports be switched to LVDS videos or eDP vision signals export to
Liquid crystal display.
Preferred according to the present invention, the step (1), the main control chip will determine that result by two GPIO signals
It exports to described four and selects a chip.
Beneficial effects of the present invention are：
1st, inventive display has two kinds of VGA, DVI, HDMI etc. or more video interface simultaneously, can direct Switch Video
Signal；
2nd, integration USB signal routing module in inventive display automatically switches USB letters while vision signal switches
Number, it is simple to operate without can be just continuing with by switching different host key mouses or plugging key mouse again；
3rd, the present invention realizes VGA signals all the way, all the way DVI signals and HDMI and usb signal input simultaneously all the way, is switched to
LVDS or eDP vision signals are directly output to liquid crystal display, while switch usb signal output.
Description of the drawings
Fig. 1 is the structure diagram that the present invention realizes the system that vision signal automatically switches with usb signal；
Specific embodiment
The present invention is further qualified with reference to Figure of description and embodiment, but not limited to this.
Embodiment 1
A kind of system realized vision signal and automatically switched with usb signal, as shown in Figure 1, including vision signal routing mould
Block, usb signal route selection module；
Vision signal route selection module includes main control chip, the model RTD2556T of main control chip；Main control chip will need
The vision signal of output is exported to liquid crystal display, and the signal source information of the vision signal of the output is sent to usb signal routing
Module.
Usb signal route selection module selects a chip including four, and four select the model MAX4999ETJ+ of a chip, and four select a core
Piece exports the usb signal of the video source according to the judging result received.
All the way VGA signals, DVI signals are inputted to vision signal route selection module all the way, two-way usb signal input to USB believe
Number route selection module, vision signal route selection module export the vision signal for needing to export to liquid crystal display, meanwhile, vision signal routing
Module judges to need the video source of the vision signal exported, and will determine that result is sent to usb signal route selection module, usb signal
Route selection module exports the usb signal of the video source according to the judging result received.The present embodiment realizes VGA signals, one all the way
Road DVI signals and usb signal input simultaneously, are switched to LVDS or eDP vision signals and are directly output to liquid crystal display, switch simultaneously
Usb signal exports.
Embodiment 2
System described in embodiment 1 realizes the method that vision signal automatically switches with usb signal, including：
(1) all the way VGA signals, DVI signals are inputted to vision signal route selection module all the way, two-way usb signal is inputted to USB
Signal routing module, according to the priority of the multi-channel video signal of setting or manual switching, the vision signal route selection module will
Need that the vision signal exported is switched to LVDS videos or eDP vision signals are exported to liquid crystal display；Meanwhile vision signal routing mould
Block judges to need the video source of the vision signal exported, and will determine that result is sent to usb signal route selection module, i.e.,：Master control core
Piece will determine that result is exported to four and select a chip by two GPIO signals；
(2) usb signal route selection module exports the usb signal of the video source according to the judging result received.The present embodiment
The vision signal of different video signaling interface and usb signal synchronism switching are realized, convenient for user's practical operation.
Claims (8)
1. a kind of system realized vision signal and automatically switched with usb signal, which is characterized in that including vision signal routing mould
Block, usb signal route selection module；Multi-channel video signal is inputted to the vision signal route selection module, and multichannel usb signal is inputted to institute
Usb signal route selection module is stated, the vision signal route selection module exports the vision signal for needing to export to liquid crystal display, meanwhile,
The vision signal route selection module judges to need the video source of the vision signal exported, and will determine that result is sent to the USB
Signal routing module, the usb signal route selection module export the usb signal of the video source according to the judging result received.
2. a kind of system realized vision signal and automatically switched with usb signal according to claim 1, which is characterized in that
The multi-channel video signal include all the way VGA signals, all the way DVI signals, appoint tri- tunnels of two-way Huo Ren in HDMI signals all the way.
3. a kind of system realized vision signal and automatically switched with usb signal according to claim 1, which is characterized in that
The vision signal route selection module includes main control chip, the model RTD2556T of the main control chip；The main control chip will
The vision signal exported is needed to export to liquid crystal display, and the video source of the vision signal of the output is sent to the usb signal
Route selection module.
4. a kind of system realized vision signal and automatically switched with usb signal according to claim 3, which is characterized in that
The usb signal route selection module selects a chip including four, and described four select the model MAX4999ETJ+ of a chip, four choosing
One chip exports the usb signal of the video source according to the judging result received.
5. the system described in claim 4 realizes the method that vision signal automatically switches with usb signal, which is characterized in that including：
(1) multi-channel video signal is inputted to the vision signal route selection module, and multichannel usb signal is inputted to the usb signal and selected
Road module, the vision signal route selection module export the vision signal for needing to export to liquid crystal display, meanwhile, the vision signal
Route selection module judges to need the video source of the vision signal exported, and will determine that result is sent to the usb signal route selection module；
(2) the usb signal route selection module exports the usb signal of the video source according to the judging result received.
6. the method according to claim 5 realized vision signal and automatically switched with usb signal, which is characterized in that described
Step (1), including：
All the way VGA signals, all the way DVI signals, HDMI signals are inputted to the vision signal route selection module all the way, three road USB letters
To the usb signal route selection module, the vision signal route selection module exports the vision signal for needing to export to liquid for number input
Crystalline substance screen, meanwhile, the vision signal route selection module judges to need the video source of the vision signal exported, that is, judges it is VGA all the way
Signal, all the way DVI signals, all the way which signal in HDMI signals, and will determine that result is sent to the usb signal routing
Module.
7. the method according to claim 5 realized vision signal and automatically switched with usb signal, which is characterized in that described
Step (1), according to the priority of the multi-channel video signal of setting or manual switching, the vision signal route selection module will need defeated
The vision signal gone out is switched to LVDS videos or eDP vision signals are exported to liquid crystal display.
8. according to the method that any realization vision signals of claim 5-7 automatically switch with usb signal, feature exists
In the step (1), the main control chip will determine that result is exported to described four and select a chip by two GPIO signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002384.9A CN108111712A (en) | 2018-01-02 | 2018-01-02 | A kind of system and method realized vision signal and automatically switched with usb signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002384.9A CN108111712A (en) | 2018-01-02 | 2018-01-02 | A kind of system and method realized vision signal and automatically switched with usb signal |
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| Publication Number | Publication Date |
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| CN108111712A true CN108111712A (en) | 2018-06-01 |
Family
ID=62219489
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810002384.9A Pending CN108111712A (en) | 2018-01-02 | 2018-01-02 | A kind of system and method realized vision signal and automatically switched with usb signal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110377543A (en) * | 2019-07-26 | 2019-10-25 | 深圳市松冠科技有限公司 | A kind of display board USB peripheral connection system |
| CN111683207A (en) * | 2020-03-31 | 2020-09-18 | 深圳市奥拓电子股份有限公司 | Routing system, method, device and server thereof |
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| CN101325677A (en) * | 2007-06-15 | 2008-12-17 | 深圳Tcl新技术有限公司 | Television capable of implementing automatic switching of signal source |
| CN102420963A (en) * | 2011-11-10 | 2012-04-18 | 广州中大电讯科技有限公司 | Multi-path signal source input-based multi-screen seamless switching system and method |
| CN203368605U (en) * | 2013-07-17 | 2013-12-25 | 北京鸿合盛视数字媒体技术有限公司 | Multipath audio and video signal and USB signal switching device |
| CN105898178A (en) * | 2015-12-08 | 2016-08-24 | 乐视致新电子科技（天津）有限公司 | Signal processing method and signal processor |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325677A (en) * | 2007-06-15 | 2008-12-17 | 深圳Tcl新技术有限公司 | Television capable of implementing automatic switching of signal source |
| CN102420963A (en) * | 2011-11-10 | 2012-04-18 | 广州中大电讯科技有限公司 | Multi-path signal source input-based multi-screen seamless switching system and method |
| CN203368605U (en) * | 2013-07-17 | 2013-12-25 | 北京鸿合盛视数字媒体技术有限公司 | Multipath audio and video signal and USB signal switching device |
| CN105898178A (en) * | 2015-12-08 | 2016-08-24 | 乐视致新电子科技（天津）有限公司 | Signal processing method and signal processor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110377543A (en) * | 2019-07-26 | 2019-10-25 | 深圳市松冠科技有限公司 | A kind of display board USB peripheral connection system |
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| CN111683207B (en) * | 2020-03-31 | 2022-07-29 | 深圳市奥拓电子股份有限公司 | Routing system, method, device and server thereof |
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Application publication date: 20180601 |