CN106851166B - A kind of multisource video display control unit and method - Google Patents
A kind of multisource video display control unit and method Download PDFInfo
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- CN106851166B CN106851166B CN201710210534.0A CN201710210534A CN106851166B CN 106851166 B CN106851166 B CN 106851166B CN 201710210534 A CN201710210534 A CN 201710210534A CN 106851166 B CN106851166 B CN 106851166B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
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Abstract
The invention discloses a kind of multisource video display control unit and methods, multisource video display control unit receives computer video by video input interface, display video is sent by video output interface, multisource video display control unit further includes video playback module, computer video state detection module and cloud interface module, cloud interface module is by being connected to the network cloud server, receiving cloud video data from cloud server and being transmitted to video playback module and play is local video, the computer video state of computer video state detection module detection input, multisource video display control unit does not export video in video output interface selection according to preset strategy according to computer video state, export local video or output computer video.
Description
Technical field
The present invention relates to computer fittings and video display technology field, are related specifically to a kind of multisource video display control
Device and method.
Background technique
Currently, zero-configuration client (Zero-Client) system has begun and more and more extensive is deployed in Internet bar's amusement, hotel
The needs high-volume such as hotel, customer service and enterprise's office provide a user the scene of terminal service, so-called zero client
End system be exactly by computer extend device by the essential core component (such as CPU, mainboard, memory, hard disk) of computer with
Its peripheral equipment (such as display, keyboard and mouse, USB device) is scattered in different physical spaces, on the one hand convenient for meter
It calculates owner and wants the unified management of core component, maintenance and upgrade, on the other hand enormously simplify the device category of client, thus
It is convenient for users to use, while decreasing overall cost and power consumption.
Docking station (Docking Station) is a kind of pedestal for extending notebook or microcomputer function, is passed through
Interface and slot, it can connect multiple external equipments, such as driver, large screen display, keyboard and mouse, USB device, printing
Machine, scanner etc., it can make up the less defect of frivolous laptop Peripheral Interface itself, and this design allows user to exist
The same convenience and comfort of desktop computer can be enjoyed in office, can play the portability of notebook again in mobile office.
In the prior art, the display of client could show calculating only when computer exports effective video signal
The video content of machine, if computer be in close, standby, dormant state when, computer is usually exported without vision signal, is in addition counted
Calculation machine may will do it in start process hardware check diagnosis etc. operation, at this time computer output video resolution usually with
Video resolution when normal use is different, if these invalid display times can be fully utilized and pass through a kind of dress
It sets and method to play is stored in image and video local or obtain from cloud, so that it may make full use of display as image
With the effect of video transmission medium, image and video content interested to display terminal user or the public, in conclusion at present
Lack it is a kind of according to computer video source output state come select not export video, output local video or output computer view
The multisource video display control unit and method of frequency.
Summary of the invention
The technical problems to be solved by the present invention are: overcoming the deficiencies of existing technologies, make full use of display as image
With the effect of video transmission medium, image and video content interested to display terminal user or the public, and it is more to provide one kind
Source video display control unit and method.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that:
The present invention proposes that a kind of multisource video display control unit, multisource video display control unit include that video input connects
Mouth and video output interface, video input interface receive computer video, and video output interface sends display video, multisource video
Display control unit further includes video playback module, and computer video state detection module, video playback module, which generates, locally to be regarded
Frequently, computer video state detection module is connected to video input interface, detects the computer video of video input interface input,
Alternatively export computer video state A, B or C.
When computer video state detection module does not detect computer video signal, and this testing result reaches first
When default detection time, output state A；
When computer video state detection module detects computer video signal, but video format is not preset video
Format, when this testing result reaches the second default detection time, output state B；
When computer video state detection module detects computer video signal, and video format is preset video lattice
Formula, when this testing result, which reaches third, presets detection time, output state C；
When testing result is unsatisfactory for the condition of above-mentioned output A, B, C-state, computer video state detection module is maintained
Current output state is constant.The initial output state of computer video state detection module can be needed to configure by application as A, B or
C。
Multisource video display control unit is according to computer video state A, B, C according to preset strategy in video output interface
It alternatively selects not exporting video, output local video or output computer video.
Preferably, the video format is the video resolution that H × V is defined, and H is horizontal resolution, and V is vertical differentiates
Rate.
Preferably, the preset video format is selectively set to one or more.
Preferably, it is big that the described first default detection time, the second default detection time and third, which preset detection time,
In equal to 0.
Preferably, the multisource video display control unit is pressed according to the state that computer video state detection module exports
Video, output local video or output computer video are not exported in video output interface selection according to a kind of preset strategy as follows:
When the output of computer video state detection module is state A, video or defeated is not exported in video output interface
Local video out；
When the output of computer video state detection module is state B, local video is exported in video output interface；
When the output of computer video state detection module is state C, computer video is exported in video output interface.
Preferably, the multisource video display control unit is pressed according to the state that computer video state detection module exports
Video, output local video or output computer view are not exported in video output interface selection according to following another preset strategy
Frequently:
When the output of computer video state detection module becomes state B from state A, this is exported in video output interface
Ground video；
When the output of computer video state detection module becomes state C from state A, exports and count in video output interface
Calculation machine video；
When the output of computer video state detection module becomes state A from state B, do not exported in video output interface
Video or output local video；
When the output of computer video state detection module becomes state C from state B, exports and count in video output interface
Calculation machine video；
When the output of computer video state detection module becomes state A from state C, do not exported in video output interface
Video or output local video；
When the output of computer video state detection module becomes state B from state C, this is exported in video output interface
Ground video.
Preferably, the local video is that video playback module decodes the local stored in multisource video display control unit
The vision signal exported after video data.
Preferably, the multisource video display control unit further includes cloud interface module, and cloud interface module passes through net
Network is connected to cloud server, receives cloud video data from cloud server, and be transmitted to video playback module, the local
Video is that video playback module decodes the vision signal exported after the video data of cloud.
Preferably, the multisource video display control unit further includes cloud interface module, and cloud interface module passes through net
Network is connected to cloud server, and receives cloud video data from cloud server and update local video data.
Preferably, the multisource video display control unit passes through cloud interface module to cloud server reported geographic position
Confidence breath and the status information of user's operation behavior.
Preferably, the cloud server based on the received believe by geographical location information and the state of user's operation behavior
Breath selectively sends cloud video data to cloud interface module.
Preferably, the local video data and cloud video data can be dynamic video or static image data.
Preferably, the video output interface first sends display video to computer extension device, and computer extends device
Including host end module, user side module and transmission cable, the video of host end module from multisource video display control unit is defeated
Outgoing interface receives display video, then the transmission cable by connecting between user side module is sent to user side module, user
End module sends the video received from transmission cable to the video display devices being attached thereto.
Preferably, the multisource video display control unit first extends device from computer by video input interface and receives
Computer video, video output interface send display video to video display devices, and it includes host side mould that computer, which extends device,
Block, user side module and transmission cable, host end module are connected to computer, and the video that host end module receives computer is defeated
Out, and the transmission cable by connecting between user side module is sent to user side module, and user side module will be from transmission line
The video that cable receives is sent to the video input interface of multisource video display control unit.
The present invention proposes that a kind of multisource video display control method, computer will be counted by multisource video display control unit
Calculation machine video is sent to video display devices, and multisource video display control unit detects the computer video of its input, alternatively
Acquisition computer video state is state A, state B or state C.
State A indicates that multisource video display control unit does not detect computer video signal, and this testing result
Duration reaches the first default detection time；The state B indicates that multisource video display control unit detects that computer regards
Frequency signal, video format are not preset video formats, and when the duration of this testing result reaches the second default detection
Between；The state C indicates that multisource video display control unit detects that computer video signal, video format are preset view
Frequency format, and the duration of this testing result reaches third and presets detection time.
Preferably, the video format is the video resolution that H × V is defined, and H is horizontal resolution, and V is vertical differentiates
Rate.
Preferably, the preset video format is selectively set to a kind of and a variety of.
Preferably, it is big that the described first default detection time, the second default detection time and third, which preset detection time,
In equal to 0.
Multisource video display control unit also generates local video.
After multisource video display control unit obtains computer video state, according to computer video state according to default plan
It slightly alternatively selects not exporting video, output local video or output computer video.
Preferably, a kind of preset strategy are as follows: when computer video state is state A, multisource video display control unit
Video or output local video are not exported；When computer video state is state B, the output of multisource video display control unit is originally
Ground video；When computer video state is state C, multisource video display control unit exports computer video.
Another preset strategy are as follows: when computer video state becomes state B from state A, multisource video display control
Device exports local video；When computer video state becomes state C from state A, the output of multisource video display control unit
Computer video；When computer video state becomes state A from state B, multisource video display control unit does not export video
Or output local video；When computer video state becomes state C from state B, multisource video display control unit output meter
Calculation machine video；When computer video state becomes state A from state C, multisource video display control unit do not export video or
Export local video；When computer video state becomes state B from state C, the output of multisource video display control unit is local
Video.
Preferably, the multisource video display control unit is by being connected to the network cloud server.
Preferably, the local video can be the local video data solution by storing in multisource video display control unit
The vision signal exported after code, is also possible to the cloud video counts obtained by multisource video display control unit from cloud server
According to the vision signal exported after decoding.
Preferably, the multisource video display control unit obtains cloud video data from cloud server and updates multi-source
The local video data stored in video display control apparatus.
Preferably, the multisource video display control unit is to cloud server reported geographic location information and user's operation
The status information of behavior.
Preferably, the cloud server based on the received believe by geographical location information and the state of user's operation behavior
Breath selectively sends cloud video data to multisource video display control unit.
Preferably, the local video data and cloud video data can be dynamic video or static image data.
The beneficial effects of the present invention are: the present invention is only being counted by using the display that the above method solves client
When calculation machine exports effective video signal, the defect of computer video content could be shown, close when computer is in, is standby, stopping
When dormancy state and when computer carries out the operation such as hardware check diagnosis in start process, it still can show and be stored in this
Ground takes full advantage of display under the premise of not influencing user's normal use computer from the image and video that cloud obtains
Effect of the device as imaging medium shows video content interested to user or the public.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the present invention a kind of module map and application schematic diagram of multisource video display control unit embodiment one.
Fig. 2 is the present invention a kind of module map and application schematic diagram of multisource video display control unit embodiment two.
Fig. 3 is the present invention a kind of module map and application schematic diagram of multisource video display control unit embodiment three.
Wherein:
1 computer, 2 video display devices
3 host end module, 4 user side module
5 multisource video display control unit, 6 transmission cable
7 cloud server, 8 computer extends device
51 video input interface, 52 video output interface
53 video playback module, 54 computer video state detection module 55
5101 computer video of cloud interface module
5201 display videos
Specific embodiment
Embodiment in reference to the accompanying drawing does further a kind of multisource video display control unit of the present invention and method
Explanation.
As shown in Figure 1, for a kind of embodiment one of multisource video display control unit of the present invention, it is in this embodiment, more
Source video display control unit 5 includes video input interface 51 and video output interface 52, and video input interface 51 is from computer 1
Computer video 5101 is received, generally video card exports, and video output interface 52 sends display video 5201 to video display dress
2 are set, multisource video display control unit 5 further includes video playback module 53, computer video state detection module 54 and cloud
Interface module 55, computer video state detection module 54 are connected to video input interface 51, and detection video input interface 51 is defeated
The computer video entered, alternatively exports computer video state A, B or C, and video playback module 53 generates local video, video
Output interface 52 alternatively selects not exporting video, the local view of output according to preset strategy according to computer video state A, B, C
Frequency or output computer video.
Computer video state detection module 54 exports the method for computer video state A, B, C such as according to computer video
Under:
If computer video state detection module 54 does not detect computer video signal, and this testing result reaches
When the first default detection time, output state A；
If computer video state detection module 54 detects computer video signal, but video format is not preset
Video format, when this testing result reaches the second default detection time, output state B；
If computer video state detection module 54 detects computer video signal, and video format is preset view
Frequency format, when this testing result, which reaches third, presets detection time, output state C；
When testing result is unsatisfactory for the condition of above-mentioned output A, B, C-state, computer video state detection module 54 is tieed up
It is constant to hold current output state.The initial output state of computer video state detection module 54 can according to application need to configure for
A, B or C.
The video format can be the video resolution that H × V is defined, and H is horizontal resolution, and V is vertical resolution.
The preset video format is selectively set to a kind of and a variety of.
It is more than or equal to 0 that the first default detection time, the second default detection time and third, which preset detection time,.
The state that multisource video display control unit 5 is exported according to computer video state detection module 54 is according to such as next
Kind preset strategy exports video:
When the output of computer video state detection module 54 is state A, video is not exported in video output interface 52
Or output local video；
When the output of computer video state detection module 54 is state B, local view is exported in video output interface 52
Frequently；
When the output of computer video state detection module 54 is state C, computer is exported in video output interface 52
Video.
The state that multisource video display control unit 5 is exported according to computer video state detection module 54 can also be according to
Following another kind preset strategy exports video:
It is defeated in video output interface 52 when the output of computer video state detection module 54 becomes state B from state A
Local video out；
It is defeated in video output interface 52 when the output of computer video state detection module 54 becomes state C from state A
Computer video out；
When the output of computer video state detection module 54 becomes state A from state B, video output interface 52 not
Export video or output local video；
It is defeated in video output interface 52 when the output of computer video state detection module 54 becomes state C from state B
Computer video out；
When the output of computer video state detection module 54 becomes state A from state C, video output interface 52 not
Export video or output local video；
It is defeated in video output interface 52 when the output of computer video state detection module 54 becomes state B from state C
Local video out.
Multisource video display control unit 5 further includes cloud interface module 55, and cloud interface module 55 passes through network connection
Cloud server 7, from cloud server 7 receive cloud video data and be transmitted to video playback module 53 play.
The local video is that video playback module 53 decodes the local video stored in multisource video display control unit 5
The vision signal that data or decoding export after the cloud video data that cloud interface module 55 receives.
Local video data is stored in volatibility or non-volatile memories Jie inside multisource video display control unit 5
Matter.
It can also be used to update local video data from the received cloud video data of cloud server 7.
Multisource video display control unit 5 can be by cloud interface module 55 to 7 reported geographic location of cloud server
Information and the status information of user's operation behavior.
Cloud server 7 geographical location information and the status information of user's operation behavior based on the received, Ke Yixuan
Cloud video data is sent to selecting property to cloud interface module 55, it can selection sends different cloud video data to being located at
Multisource video display control unit 5 that is diverse geographic location or showing different user operation behavior.
Local video data and cloud video data can be dynamic video or static image data.
As shown in Fig. 2, for a kind of embodiment two of multisource video display control unit of the present invention, it is in this embodiment, more
Source video display control unit 5 receives computer video 5101 from computer 1 by video input interface 51, and generally video card is defeated
Out, video output interface 52 sends display video 5201 to computer extension device 8, the group of multisource video display control unit 5
It is the same as example 1 at image display method, it includes host end module 3, user side module 4 that the computer, which extends device 8,
With transmission cable 6, host end module 3 receives display video from the video output interface 52 of multisource video display control unit 5
5201, and the transmission cable 6 by connecting between user side module 4 is sent to user side module 4, user side module 4 will be from
The video that transmission cable 6 receives is sent to the video display devices 2 being attached thereto.
As shown in figure 3, for a kind of embodiment three of multisource video display control unit of the present invention, it is in this embodiment, more
Source video display control unit 5 extends device 8 from computer by video input interface 51 and receives computer video 5101, video
Output interface 52 sends display video 5201 and arrives video display devices 2, and the composition and video of multisource video display control unit 5 are aobvious
Show that method is the same as example 1, it includes host end module 3, user side module 4 and transmission cable that the computer, which extends device 8,
6, host end module 3 is connected to computer 1, and host end module 3 receives the video output of computer 1, and generally video card exports, and
It is sent to user side module 4 by the transmission cable 6 connected between user side module 4, user side module 4 will be from transmission cable
6 videos received are sent to the video input interface 51 for the multisource video display control unit 5 being attached thereto.
Computer in above-described embodiment extends device, including host end module, user side module and transmission cable, wherein
Host end module and user side module all include video transmission interface, in addition to this can also be passed comprising audio transmission interfaces, USB
Defeated interface and other peripheral control interfaces can pass through one or more transmission between host end module and user side module
Cable connection.
Multisource video display control unit of the present invention and method, the display for solving client are only exported in computer
When effective video signal, could show the defect of computer video content, closed when computer is in, standby, dormant state when,
And computer is in start process when carrying out the operation such as hardware check diagnosis, still can show be stored in it is local or from cloud
The image and video of acquisition take full advantage of display as image under the premise of not influencing user's normal use computer
The effect of medium shows video content interested to user or the public.
The above is only presently preferred embodiments of the present invention, not makes restriction in any form to the present invention,
The protection scope that the present invention requests is right according to the technical essence of the invention when being subject to content documented by claims
All simple changes made by the above specific embodiment, equivalent replacement decompose merging, still fall within technical solution of the present invention
Be claimed within the scope of.
Claims (20)
1. a kind of multisource video display control unit, including video input interface and video output interface, video input interface connect
Computer video is received, video output interface sends display video, it is characterised in that:
The multisource video display control unit further includes video playback module and computer video state detection module,
Video playback module generates local video,
Computer video state detection module is connected to video input interface, the computer view of detection video input interface input
Frequently, computer video state A, B or C are alternatively exported,
When computer video state detection module does not detect computer video signal, and to reach first default for this testing result
When detection time, output state A,
When computer video state detection module detects computer video signal, but video format is not preset video lattice
Formula, when this testing result reaches the second default detection time, output state B,
When computer video state detection module detects computer video signal, and video format is preset video format,
When this testing result, which reaches third, presets detection time, output state C,
When testing result is unsatisfactory for the condition of above-mentioned output A, B, C-state, computer video state detection module remains current
Output state is constant,
When the multisource video display control unit detects computer video state detection module output state A or by other defeated
It does well when being converted to output state A, does not export video or output local video in video output interface,
When the multisource video display control unit detects computer video state detection module output state B or by other defeated
It does well when being converted to output state B, exports local video in video output interface,
When the multisource video display control unit detects computer video state detection module output state C or by other defeated
It does well when being converted to output state C, exports computer video in video output interface.
2. a kind of multisource video display control unit according to claim 1, it is characterised in that: the video format is H
The video resolution that × V is defined, H are horizontal resolution, and V is vertical resolution.
3. a kind of multisource video display control unit according to claim 1, it is characterised in that: the local video is view
The vision signal exported after the local video data stored in frequency playing module decoding multisource video display control unit.
4. a kind of multisource video display control unit according to claim 1, it is characterised in that:
The multisource video display control unit further includes cloud interface module, and cloud interface module is by being connected to the network cloud
Server receives cloud video data from cloud server, and is transmitted to video playback module,
The local video is that video playback module decodes the vision signal exported after the video data of cloud.
5. a kind of multisource video display control unit according to claim 3, it is characterised in that:
The multisource video display control unit further includes cloud interface module, and cloud interface module is by being connected to the network cloud
Server receives cloud video data from cloud server and updates local video data.
6. a kind of multisource video display control unit according to claim 4 or 5, it is characterised in that:
The multisource video display control unit passes through cloud interface module to cloud server reported geographic location information and use
The status information of family operation behavior.
7. a kind of multisource video display control unit according to claim 6, it is characterised in that:
The cloud server geographical location information and the status information of user's operation behavior based on the received, selectively
Cloud video data is sent to cloud interface module.
8. a kind of multisource video display control unit according to claim 3,4 or 5, it is characterised in that: the local view
Frequency can be dynamic video or static image data according to cloud video data.
9. a kind of multisource video display control unit according to claim 1, it is characterised in that: the video output interface
It first sends display video and extends device to computer, it includes host end module, user side module and transmission that computer, which extends device,
Cable, host end module from the video output interface of multisource video display control unit receive display video, then by with user
The transmission cable connected between end module is sent to user side module, and user side module sends out the video received from transmission cable
It is sent to the video display devices being attached thereto.
10. a kind of multisource video display control unit according to claim 1, it is characterised in that: the multisource video is aobvious
Show that control device first extends device from computer by video input interface and receives computer video, video output interface sends aobvious
Show video to video display devices, it includes host end module, user side module and transmission cable, host side that computer, which extends device,
Module is connected to computer, host end module receives the video output of computer, and by connecting between user side module
Transmission cable is sent to user side module, and user side module sends multisource video for the video received from transmission cable and shows
The video input interface of control device.
11. a kind of multisource video display control unit according to claim 1, it is characterised in that: the preset video
Format is selectively set to one or more.
12. a kind of multisource video display control method, computer is sent out computer video by multisource video display control unit
Give video display devices, which is characterized in that the described method includes:
Multisource video display control unit detects the computer video of its input, and alternatively obtaining computer video state is state
A, state B or state C,
The state A indicates that multisource video display control unit does not detect computer video signal, and this testing result
Duration reaches the first default detection time,
The state B indicates that multisource video display control unit detects that computer video signal, video format are not default
Video format, and the duration of this testing result reaches the second default detection time,
The state C indicates that multisource video display control unit detects that computer video signal, video format are preset
Video format, and the duration of this testing result reaches third and presets detection time,
Multisource video display control unit also generates local video,
When multisource video display control unit detection computer video state is state A or is converted to state by other states
When A, video or output local video are not exported in video output interface,
When multisource video display control unit detection computer video state is state B or is converted to state by other states
When B, local video is exported in video output interface,
When multisource video display control unit detection computer video state is state C or is converted to state by other states
When C, computer video is exported in video output interface.
13. a kind of multisource video display control method according to claim 12, it is characterised in that:
The video format is the video resolution that H × V is defined, and H is horizontal resolution, and V is vertical resolution.
14. a kind of multisource video display control method according to claim 12, it is characterised in that:
The local video is the video exported after being decoded by the local video data stored in multisource video display control unit
Signal.
15. a kind of multisource video display control method according to claim 12, it is characterised in that:
The multisource video display control unit, which passes through, is connected to the network cloud server,
The local video be by multisource video display control unit after the cloud video data decoding that cloud server obtains
The vision signal of output.
16. a kind of multisource video display control method according to claim 14, it is characterised in that:
The multisource video display control unit, which passes through, is connected to the network cloud server,
The multisource video display control unit obtains cloud video data from cloud server and updates multisource video display control
The local video data stored in device processed.
17. a kind of multisource video display control method according to claim 15 or 16, it is characterised in that:
The multisource video display control unit is to cloud server reported geographic location information and the state of user's operation behavior
Information.
18. a kind of multisource video display control method according to claim 17, it is characterised in that:
The cloud server geographical location information and the status information of user's operation behavior based on the received, selectively
Cloud video data is sent to multisource video display control unit.
19. a kind of multisource video display control method described in 4,15 or 16 according to claim 1, it is characterised in that: described
Ground video data and cloud video data can be dynamic video or static image data.
20. a kind of multisource video display control method according to claim 12, it is characterised in that: the preset video
Format is selectively set to one or more.
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| CN101667413A (en) * | 2008-09-03 | 2010-03-10 | 鸿富锦精密工业（深圳）有限公司 | Digital box and control method thereof |
| CN101677248A (en) * | 2008-09-16 | 2010-03-24 | 联想(北京)有限公司 | Host-side equipment, client-side equipment, computer and display equipment |
| JP2011010196A (en) * | 2009-06-29 | 2011-01-13 | Sumitomo Electric Ind Ltd | Communication control apparatus and communication control method |
| CN102892014A (en) * | 2011-07-19 | 2013-01-23 | 索尼公司 | Video display device and video display method |
| CN104991751A (en) * | 2015-07-07 | 2015-10-21 | 宁海县华军网络科技有限公司 | Computer host extension device and startup control method thereof |
-
2017
- 2017-03-31 CN CN201710210534.0A patent/CN106851166B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667413A (en) * | 2008-09-03 | 2010-03-10 | 鸿富锦精密工业（深圳）有限公司 | Digital box and control method thereof |
| CN101677248A (en) * | 2008-09-16 | 2010-03-24 | 联想(北京)有限公司 | Host-side equipment, client-side equipment, computer and display equipment |
| JP2011010196A (en) * | 2009-06-29 | 2011-01-13 | Sumitomo Electric Ind Ltd | Communication control apparatus and communication control method |
| CN102892014A (en) * | 2011-07-19 | 2013-01-23 | 索尼公司 | Video display device and video display method |
| CN104991751A (en) * | 2015-07-07 | 2015-10-21 | 宁海县华军网络科技有限公司 | Computer host extension device and startup control method thereof |
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