CN104679464A - Display signal switching system and method - Google Patents
Display signal switching system and method Download PDFInfo
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- CN104679464A CN104679464A CN201310622453.3A CN201310622453A CN104679464A CN 104679464 A CN104679464 A CN 104679464A CN 201310622453 A CN201310622453 A CN 201310622453A CN 104679464 A CN104679464 A CN 104679464A
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- switch
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- electronic equipment
- vision signal
- over control
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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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
- 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
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a display signal switching system and method. The display signal switching system is used for switching a video signal input to a display, the display is capable of displaying different video signals of a first electronic device and a second electronic device, the display signal switching system comprises a video signal switch key and a video signal switch unit, the video signal switch unit is connected with the first electronic device, the second electronic device and the display, the video signal switch key is used for generating a switch control signal and sending the switch control signal to the video signal switch unit, and the video signal switch unit is used for receiving the switch control signal, inputting the video signal of the first electronic device into the display when the switch control signal has high level, and inputting the video signal of the second electronic device into the display when the switch control signal has low level.
Description
Technical field
The present invention relates to a kind of monitor signal switched system and method.
Background technology
Computer monitor is usually in order to show the video data of host computer, and along with the development of science and technology, handheld device, as the video on mobile phone etc. also shows by this computer monitor, pass through technology of sharing, as Digital Living Network Alliance (DLNA) realize by the transmission of video in handheld device to as described in computer monitor shows, but, when needs are switched to described host computer, the video of the handheld device needing manual-lock showing, very inconvenient.
Summary of the invention
In view of above content, be necessary to provide a kind of convenient monitor signal switched system and method switching the vision signal of input display.
A kind of monitor signal switched system, in order to switch the vision signal of input one display, described display can show the first different electronic equipments and the vision signal of the second electronic equipment, described monitor signal switched system includes vision signal switch key and vision signal switch unit, described vision signal switch unit connects described first electronic equipment respectively, second electronic equipment and described display, described vision signal switch key is in order to produce a switch-over control signal, and send described switch-over control signal to described vision signal switch unit, described vision signal switch unit is in order to receive described switch-over control signal, and when described switch-over control signal is high level, the vision signal of described first electronic equipment is inputted described display, when described switch-over control signal is low level, the vision signal of described second electronic equipment is inputted described display.
Preferably, described first electronic equipment is handheld device, and described second electronic equipment is host computer, and described vision signal switch key is a button of described first electronic equipment.
Preferably, described vision signal switch unit includes video processing module, and described video processing module connects described first electronic equipment, and in order to receive the vision signal of described first electronic equipment.
Preferably, described video processing module includes video reception submodule, video decode submodule and form transformant module, described video reception submodule is in order to receive the vision signal of described first electronic equipment, and described vision signal is sent to described video decode submodule, described video decode submodule is in order to the vision signal of described first electronic equipment of decoding, and described format conversion submodule is in order to be converted to the receivable form of described display by decoded vision signal.
Preferably, described vision signal switch unit also includes switching signal processing module and switching executing module, and described switching signal processing module in order to receive described switch-over control signal, and judges whether described switch-over control signal is high level; When described switch-over control signal is high level, described switching executing module in order to switch to a first passage, so that the vision signal of described first electronic equipment is inputted described display; When described switch-over control signal is low level, described switching executing module in order to switch to a second channel, so that the vision signal of described second electronic equipment is inputted described display.
Preferably, described switching signal processing module includes Signal reception submodule, switch-over control signal described in described Signal reception submodule wireless receiving.
Preferably, described switching signal processing module also includes judgement submodule, describedly judges that submodule is in order to judge whether described switch-over control signal is high level; When described switch-over control signal is high level, the vision signal of described first electronic equipment in order to switch to a first passage, thus is inputted described display by described switching executing module; When described switch-over control signal is low level, the vision signal of described second electronic equipment in order to switch to a second channel, thus is inputted described display by described switching executing module.
Preferably, described vision signal switch unit also includes video transmission module, described video transmission module connects described second electronic equipment and described switching executing module, and in order to the vision signal of described second electronic equipment is inputted described display when described switching executing module switches to described second channel.
A kind of monitor signal changing method, in order to switch the vision signal of input one display, described display can show the first different electronic equipments and the vision signal of the second electronic equipment, said method comprising the steps of:
Produce a switch-over control signal, and send described switch-over control signal;
Judge whether described switch-over control signal is high level,
When described switch-over control signal is high level, switch to a first passage, input to described display with the vision signal of described first electronic equipment; And
When described switch-over control signal is low level, switch to a second channel, input to described display with the vision signal of described second electronic equipment.
Preferably, when described switch-over control signal is high level, switch to a first passage, to described display step, also include following steps with the vision signal inputting described first electronic equipment:
Receive the vision signal of described first electronic equipment;
To decode the vision signal of described first electronic equipment; And
After transforms decode, the vision signal of the first electronic equipment is the receivable form of display, and the vision signal of conversion is inputted described display.
Compared to prior art, in aforementioned display device signal switching system and method, switch-over control signal is produced by pressing described vision signal switch key, and the vision signal of described first electronic equipment is inputted when described switch-over control signal is high level, and the vision signal of the second electronic equipment is inputted when described switch-over control signal is low level, without the need to manual switchover, very convenient.
Accompanying drawing explanation
Fig. 1 is a calcspar of inventive display signal switching system one preferred embodiment.
Fig. 2 is a process flow diagram of fan operational mode switching method one of the present invention preferred embodiment.
Main element symbol description
| Display | 100 |
| First electronic equipment | 200 |
| Second electronic equipment | 300 |
| Vision signal switch key | 400 |
| Vision signal switch unit | 500 |
| Video processing module | 510 |
| Video reception submodule | 511 |
| Video decode submodule | 513 |
| Format conversion submodule | 514 |
| Video transmission module | 520 |
| Switching signal processing module | 530 |
| Signal reception submodule | 531 |
| Judge submodule | 532 |
| Switching executing module | 540 |
| First passage | 541 |
| Second channel | 542 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, in a better embodiment of the present invention, one monitor signal switched system, in order to switch the vision signal of input one display 100, described display 100 can show the vision signal of one first electronic equipment 200 and the input of the second electronic equipment 300.In the present embodiment, described first electronic equipment 200 is handheld device, and as mobile phone etc., the second electronic equipment 300 is host computer.
Described monitor signal switched system includes vision signal switch key 400 and a vision signal switch unit 500.Described vision signal switch key 400 is the button on described first electronic equipment 200, in order to produce a switch-over control signal, and described switch-over control signal is sent to described vision signal switch unit 500, high level signal is produced when described vision signal switch key 400 is pressed, the vision signal of described first electronic equipment 200 is exported in order to control described vision signal switch unit 500, low level signal is produced when described vision signal switch key 400 is pressed again, the vision signal of described second electronic equipment 300 is exported in order to control described vision signal switch unit 500.Described vision signal switch unit 500 receives described switch-over control signal, when described switch-over control signal is high level, the vision signal of described first electronic equipment 200 is inputted described display 100, when described switch-over control signal is low level, the vision signal of described second electronic equipment 300 is inputted described display 100.
Described vision signal switch unit 500 includes video processing module 510, video transmission module 520, and switches signal processing module 530 and a switching executing module 540.Described video processing module 510 includes video reception submodule 511, video decode submodule 513 and a format conversion submodule 514.Described video reception submodule 511 receives the vision signal of described first electronic equipment 200, and the vision signal of described first electronic equipment 200 is sent to described video decode submodule 513.Described video decode submodule 513 is decoded the vision signal of described first electronic equipment 200.The vision signal of described first electronic equipment 200 is converted into the receivable form of described display 100, as html format is converted to VGA form by described format conversion submodule 514.Described video transmission module 520 connects described second electronic equipment 300 and described switching executing module 540, in order to transmit the vision signal of described second electronic equipment 300.Described switching signal processing module 530 includes a Signal reception submodule 531 and and judges submodule 532.Described video switching executing module 540 includes first passage 541 and a second channel 542.Described first passage 541 is in order to transmit the vision signal of described first electronic equipment 200, and described second channel 542 is in order to transmit the vision signal of described second electronic equipment 300.Switch-over control signal described in described Signal reception submodule 531 wireless receiving.Describedly judge that submodule 532 judges whether described switch-over control signal is high level, if high level, then described switching executing module 540 switches to described first passage 541, so that the vision signal of described first electronic equipment 200 is input to described display 100; If low level, then described switching executing module 540 switches to described second channel 542, so that the vision signal of described second electronic equipment 300 is input to described display 100.
Refer to Fig. 2, shown in figure is the process flow diagram adopting inventive display signal switching system to realize vision signal one better embodiment switching input display, wherein:
Step S601: described vision signal switch key 400 produces a switch-over control signal.
Step S602: the Signal reception submodule 531 of described switching signal processing module 530 receives described switch-over control signal.
Step S603: described switching signal processing module 530 judge that submodule 532 judges whether described switch-over control signal is high level, if so, then enters step S604, if not, then enters step S607.
Step S604: described switching executing module 540 switches to described first passage 541.
Step S605: the video reception submodule 511 of described video processing module 510 receives the vision signal of described first electronic equipment 200.
Step S606: the video decode submodule 513 of described video processing module 510 is decoded the vision signal of described first electronic equipment 200.
Step S607: the format conversion submodule 514 transforms decode rear video signal of described video processing module 510 is to the receivable form of described display 100.
Step S608: described video switching executing module 540 switches to described second channel 542.
Step S609: the vision signal of described second electronic equipment 300 is inputted described display 100 by described video transmission module 520.
By aforementioned display device signal switching system and method, the vision signal inputting described display 100 conveniently can be switched, without the need to manual switchover, very convenient.
Claims (10)
1. a monitor signal switched system, in order to switch the vision signal of input one display, described display can show the first different electronic equipments and the vision signal of the second electronic equipment, it is characterized in that: described monitor signal switched system includes vision signal switch key and vision signal switch unit, described vision signal switch unit connects described first electronic equipment respectively, second electronic equipment and described display, described vision signal switch key is in order to produce a switch-over control signal, and send described switch-over control signal to described vision signal switch unit, described vision signal switch unit is in order to receive described switch-over control signal, and when described switch-over control signal is high level, the vision signal of described first electronic equipment is inputted described display, when described switch-over control signal is low level, the vision signal of described second electronic equipment is inputted described display.
2. monitor signal switched system as claimed in claim 1, it is characterized in that: described first electronic equipment is handheld device, described second electronic equipment is host computer, and described vision signal switch key is a button of described first electronic equipment.
3. monitor signal switched system as claimed in claim 2, it is characterized in that: described vision signal switch unit includes video processing module, described video processing module connects described first electronic equipment, and in order to receive the vision signal of described first electronic equipment.
4. monitor signal switched system as claimed in claim 3, it is characterized in that: described video processing module includes video reception submodule, video decode submodule and form transformant module, described video reception submodule is in order to receive the vision signal of described first electronic equipment, and described vision signal is sent to described video decode submodule, described video decode submodule is in order to the vision signal of described first electronic equipment of decoding, and described format conversion submodule is in order to be converted to the receivable form of described display by decoded vision signal.
5. monitor signal switched system as claimed in claim 1, it is characterized in that: described vision signal switch unit also includes switching signal processing module and switching executing module, described switching signal processing module in order to receive described switch-over control signal, and judges whether described switch-over control signal is high level; When described switch-over control signal is high level, described switching executing module in order to switch to a first passage, so that the vision signal of described first electronic equipment is inputted described display; When described switch-over control signal is low level, described switching executing module in order to switch to a second channel, so that the vision signal of described second electronic equipment is inputted described display.
6. monitor signal switched system as claimed in claim 5, is characterized in that: described switching signal processing module includes Signal reception submodule, switch-over control signal described in described Signal reception submodule wireless receiving.
7. monitor signal switched system as claimed in claim 6, is characterized in that: described switching signal processing module also includes judgement submodule, describedly judges that submodule is in order to judge whether described switch-over control signal is high level; When described switch-over control signal is high level, the vision signal of described first electronic equipment in order to switch to a first passage, thus is inputted described display by described switching executing module; When described switch-over control signal is low level, the vision signal of described second electronic equipment in order to switch to a second channel, thus is inputted described display by described switching executing module.
8. monitor signal switched system as claimed in claim 5, it is characterized in that: described vision signal switch unit also includes video transmission module, described video transmission module connects described second electronic equipment and described switching executing module, and in order to the vision signal of described second electronic equipment is inputted described display when described switching executing module switches to described second channel.
9. a monitor signal changing method, in order to switch the vision signal of input one display, described display can show the first different electronic equipments and the vision signal of the second electronic equipment, said method comprising the steps of:
Produce a switch-over control signal, and send described switch-over control signal;
Judge whether described switch-over control signal is high level,
When described switch-over control signal is high level, switch to a first passage, input to described display with the vision signal of described first electronic equipment; And
When described switch-over control signal is low level, switch to a second channel, input to described display with the vision signal of described second electronic equipment.
10. monitor signal changing method as claimed in claim 9, it is characterized in that: when described switch-over control signal is high level, switch to a first passage, to described display step, also include following steps with the vision signal inputting described first electronic equipment:
Receive the vision signal of described first electronic equipment;
To decode the vision signal of described first electronic equipment; And
After transforms decode, the vision signal of the first electronic equipment is the receivable form of display, and the vision signal of conversion is inputted described display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310622453.3A CN104679464A (en) | 2013-11-30 | 2013-11-30 | Display signal switching system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310622453.3A CN104679464A (en) | 2013-11-30 | 2013-11-30 | Display signal switching system and method |
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| CN104679464A true CN104679464A (en) | 2015-06-03 |
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| CN201310622453.3A Pending CN104679464A (en) | 2013-11-30 | 2013-11-30 | Display signal switching system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000507A1 (en) * | 2015-06-29 | 2017-01-05 | 杭州海康威视数字技术股份有限公司 | Switching circuit and switching method for video signal |
-
2013
- 2013-11-30 CN CN201310622453.3A patent/CN104679464A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000507A1 (en) * | 2015-06-29 | 2017-01-05 | 杭州海康威视数字技术股份有限公司 | Switching circuit and switching method for video signal |
| US10194113B2 (en) | 2015-06-29 | 2019-01-29 | Hangzhou Hikvision Digital Technology Co., Ltd. | Switching circuit and switching method for video signal |
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Application publication date: 20150603 |