CN101212112B - Video signal switching device - Google Patents
Video signal switching device Download PDFInfo
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- CN101212112B CN101212112B CN2006102014432A CN200610201443A CN101212112B CN 101212112 B CN101212112 B CN 101212112B CN 2006102014432 A CN2006102014432 A CN 2006102014432A CN 200610201443 A CN200610201443 A CN 200610201443A CN 101212112 B CN101212112 B CN 101212112B
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Abstract
本发明提供一种视频信号转接装置。该转接装置包括一USB连接器、一第一转接子装置及一第二转接子装置。一USB连接器，其包括一USB传输线以及分别连接于该USB传输线两端的第一插头和第二插头。一第一转接子装置，可分离地连接于第一插头，其包括一RCA插头及一第一USB连接结构。其从视频播放设备获得视频信号并将该视频信号转至USB传输线。所述第二转接子装置，可分离地连接于第二插头，其包括至少一RCA插座及一第二USB连接结构。其将USB传输线上的视频信号转至视频再现设备。该装置增强了USB传输线的功能，提高了设备的利用率。
The invention provides a video signal switching device. The switching device includes a USB connector, a first switching sub-device and a second switching sub-device. A USB connector includes a USB transmission line and a first plug and a second plug respectively connected to two ends of the USB transmission line. A first adapter sub-device is detachably connected to the first plug, which includes an RCA plug and a first USB connection structure. It obtains a video signal from a video playback device and transfers the video signal to a USB transmission line. The second adapter sub-device is detachably connected to the second plug, which includes at least one RCA socket and a second USB connection structure. It transfers the video signal on the USB transmission line to the video reproduction device. The device enhances the function of the USB transmission line and improves the utilization rate of the equipment.
Description
Technical field
The present invention relates to a kind of video signal switching device, particularly about a kind of video signal switching device that can share USB (USB).
Background technology
Along with technological progress, desktop PC, mobile computer on the market possessed the function of video input at present, can connect the vision signal coaxial cable anywhere or anytime and view and admire video frequency program with its high image quality screen.Therefore on these equipment, all design the RCA connector (RCA) that connects coaxial cable.The USB transmission line is used in the product such as desktop PC, mobile computer and the data of external equipment and the transmission of data simultaneously more.In the use of these products, coaxial cable and the USB transmission line element that all is absolutely necessary, therefore the user often need prepare USB transmission line and coaxial cable simultaneously, and USB transmission line, coaxial cable all have very long transmission line, like this to the user to the management of USB transmission line and coaxial cable with carry and all bring very big inconvenience, and cause the waste of circuit.
Summary of the invention
Therefore the object of the present invention is to provide a kind of switching device of the USB of utilization transmission line vision signal, this device is realized the switching of RCA plug and USB transmission line.
Described video signal switching device comprises:
One USB connector, first plug and second plug that it comprises a USB transmission line and is connected to these USB transmission line two ends;
The sub-device of one first switching is connected in first plug separably, and it comprises a RCA plug and one the one USB syndeton.The RCA plug construction of the sub-device of described first switching is: left plug vision signal link, left plug vision signal contact pin, right plug vision signal link and right plug vision signal contact pin.A described USB syndeton is connected one to one with wantonly two in correction data line, negative data line and the power line of described left plug vision signal contact pin, right plug vision signal contact pin and first plug, described left plug vision signal link, right plug vision signal link are connected to the earth connection of first plug, and the sub-device of this first switching reaches the USB transmission line with vision signal.
The sub-device of one second switching is connected in second plug separably, and it comprises at least one RCA socket and one the 2nd USB syndeton.Described RCA socket is: left socket vision signal link, left socket metal-cored, right socket vision signal link and right socket are metal-cored.Wantonly two in described the 2nd USB syndeton correction data line, negative data line, power line with second plug that metal-cored, the right socket of left socket is metal-cored are connected one to one, and the metal-cored and left plug vision signal of left socket contact pin, the corresponding respectively same single line that is connected to the USB transmission line of the metal-cored and right plug vision signal of right socket contact pin, left socket vision signal link, right socket vision signal link are connected to the earth connection of second plug, and the sub-device of this second switching obtains vision signal by the USB transmission line from described RCA plug.
Described video signal switching device also can include: a RCA socket and a USB syndeton, described RCA socket is: left socket vision signal link, left side socket is metal-cored, right socket vision signal link and right socket are metal-cored, described USB syndeton is metal-cored with left socket, the metal-cored correction data line that is connected to the USB transmission line one to one of right socket, the negative data line, in the power line arbitrary, with left socket vision signal link, the metal-cored earth connection that is connected to the USB transmission line of right socket, this switching device obtains vision signal by the USB transmission line.
Video signal switching device provided by the invention can improve the utilance of USB transmission line, reaches the purpose of thin device.
Description of drawings
Fig. 1 is the switching device structural representation that the present invention utilizes USB transmission line vision signal.
Fig. 2 is the internal electric connection diagram of the sub-device of first switching.
Fig. 3 is the internal electric connection diagram of the sub-device of second switching.
Fig. 4 is the structural representation that the sub-device of second switching has a plurality of whens output.
Embodiment
Consulting Fig. 1, is the structural representation of video signal switching device of the present invention.Described switching device comprises the sub-device 3 of one first switching, one second a sub-device 4 of switching and a USB connector, and described USB connector comprises a USB transmission line 5 and connects the plug at a USB transmission line 5 two ends (calling first plug 1 and second plug 2 in the following text) respectively.Sub-device 3 one ends of described first switching are standard RCA plug 31.Described RCA plug 31 can be connected to the video interface of equipment such as desktop PC, mobile computer, television set.The other end of the sub-device 3 of this first switching is a USB syndeton 32 that is connected separably with USB transmission line first plug 1.Sub-device 4 one ends of described second switching are the 2nd USB syndeton 41 that is connected separably with USB transmission line second plug 2, and the other end is a standard RCA socket 42, and this standard RCA socket 42 can connect other video equipment.
Consulting Fig. 2, is the internal electric connection diagram of the sub-device 3 of first switching.A described USB syndeton 31 comprises correction data line (Data+) terminal, negative data line (Data-) terminal, power line (Vcc) terminal and earth connection (GND) terminal.The RCA plug 31 of the sub-device 3 of described first switching is divided into: left plug vision signal link 311, left plug vision signal contact pin 312, right plug vision signal link 314 and right plug vision signal contact pin 313.Left side plug vision signal link 311, right plug vision signal link 314 are connected with earth connection (GND) terminal of a USB syndeton 32.Left side plug vision signal contact pin 312 is connected with correction data line (Data+) terminal of a USB syndeton 32.Right plug vision signal contact pin 313 is connected with negative data line (Data-) terminal of a USB syndeton 32.
Consulting Fig. 3, is the internal electric connection diagram of the sub-device 4 of second switching.Described the 2nd USB syndeton 41 comprises correction data line (Data+) terminal, negative data line (Data-) terminal, power line (Vcc) terminal and earth connection (GND) terminal.The RCA socket 42 of the sub-device 4 of described second switching is divided into: left socket vision signal link 421, left socket are metal-cored 422, right socket vision signal link 424 and right socket metal-cored 423.Left side socket vision signal link 421, right socket vision signal link 424 are connected with earth connection (GND) terminal of the 2nd USB syndeton 41.Left side socket metal-cored 422 is connected with correction data line (Data+) terminal of the 2nd USB syndeton 41.Right socket metal-cored 423 is connected with negative data line (Data-) terminal of the 2nd USB syndeton 42.
Please consult Fig. 1 once more, when the first switching sub-device 3 was connected with first plug 1 of USB transmission line 5 by a USB syndeton 32, first plug, the 1 corresponding terminal (scheming not show) of correction data line (Data+) terminal of a USB syndeton 32, negative data line (Data-) terminal, power line (Vcc) terminal and earth connection (GND) terminal and USB transmission line 5 was coupled.That is correction data line (Data+) terminal of a USB syndeton 32 correction data line (Data+) terminal of first plug 1 that is coupled; Be coupled negative data line (Data-) terminal of first plug 1 of negative data line (Data-) terminal of the one USB syndeton 32; Be coupled power line (Vcc) terminal of first plug 1 of the power line of the one USB syndeton 32 (Vcc) terminal; Be coupled earth connection (GND) terminal of first plug 1 of the earth connection of the one USB syndeton 32 (GND) terminal.
Equally, when the second switching sub-device 4 was connected with second plug 2 of USB transmission line 5 by the 2nd USB syndeton 42, second plug, the 2 corresponding terminals (scheming not show) of correction data line (Data+) terminal of the 2nd USB syndeton 42, negative data line (Data-) terminal, power line (Vcc) terminal and earth connection (GND) terminal and USB transmission line 5 were coupled.
Switching device is electrically connected and is not limited to aforesaid way.The left plug vision signal link 311 of the RCA plug 31 of the sub-device 3 of first switching, earth connection (GND) terminal that right plug vision signal link 314 is connected in a USB syndeton 32.Left side plug vision signal contact pin 312, right plug vision signal contact pin 313 can be connected one to one with any two terminals in correction data line (Data+) terminal, negative data line (Data-) terminal and power line (Vcc) terminal of a USB syndeton 32, and its annexation is not limited to the described situation of Fig. 2.The annexation of RCA socket 42 each link of the sub-device 4 of second switching (left socket vision signal link 421, left socket are metal-cored 422, right socket vision signal link 424 and right socket metal-cored 423) and the 2nd USB syndeton 41 each terminal is identical with each terminal annexation of RCA plug 31 each link and a USB syndeton 32, and left socket metal-cored 422 and left plug vision signal contact pin 312, right socket metal-cored 423 and the right plug vision signal contact pin 313 corresponding respectively same single lines that are connected to the USB transmission line.
For example, negative data line (Data-) terminal, the right plug vision signal contact pin 313 of left plug vision signal contact pin 312 connections the one USB syndeton 32 of RCA plug 31 are connected in correction data line (Data+) terminal; Signal for RCA plug 31 can send RCA socket 42 to by USB transmission line 5 so, and negative data line (Data-) terminal, right socket metal-cored 423 that the left socket of RCA socket 42 metal-cored 422 connects the 2nd USB syndeton 41 are connected in correction data line (Data+) terminal.
Be connected to the video interface of equipment such as desktop PC, mobile computer, television set again when the RCA plug 31 of the sub-device 3 of described first switching, vision signal can be transferred to the RCA socket 42 of the sub-device 4 of second switching by USB transmission line 5 from the video connector plug 31 of the sub-device 3 of first switching.
Three kinds of modes when below exemplifying switching device and specifically using:
One: the RCA plug 31 of the sub-device 3 of first switching inserts video playback apparatus (for example television set, computer) and obtains vision signal.A described USB syndeton 32 is a recessed structure, and its first plug 1 with the USB transmission line is coupled, and this first plug 1 is a USB transmission line standard A type plug.Vision signal reaches the USB transmission line by the sub-device 3 of this first switching.The 2nd USB syndeton 41 is one to be convexly equipped with structure, second plug, 2 couplings of itself and USB transmission line, and this second plug 2 is a USB transmission line standard Type B plug.Other video reproducing apparatus insert the RCA socket 42 of the sub-device 4 of second switching, and vision signal reaches this video reproducing apparatus by the sub-device 4 of this second switching.
The RCA plug 31 of its two: the first sub-devices 3 of switching inserts video playback apparatus (for example television set, computer) and obtains vision signal.A described USB syndeton 32 is one to be convexly equipped with structure, first plug, 1 coupling of itself and USB transmission line, and this first plug 1 is a USB transmission line standard Type B plug.Vision signal reaches the USB transmission line by the sub-device 3 of this first switching.Described the 2nd USB syndeton 41 is a recessed structure, and its second plug 2 with the USB transmission line is coupled, and this second plug 2 is a USB transmission line standard A type plug.Other video reproducing apparatus insert the RCA socket 42 of the sub-device 4 of second switching, and vision signal reaches this video reproducing apparatus by the sub-device 4 of this second switching.
Its three: then can omit the sub-device 3 of first switching for playback equipment, directly first plug 1 of USB transmission line be inserted video equipment and obtain vision signal by the USB port outputting video signal.The 2nd USB syndeton 41 of the sub-device 4 of second switching is one to be convexly equipped with structure, and its second plug 2 with the USB transmission line is coupled, and this second plug 2 is a USB transmission line standard B plug.Other video reproducing apparatus insert the RCA socket 42 of the sub-device 4 of second switching, and vision signal reaches this video reproducing apparatus by the sub-device 4 of this second switching.
Consulting Fig. 4, is the structural representation that the sub-device 4 of second switching has a plurality of whens output.The sub-device 4 of described second switching is provided with a plurality of RCA sockets 42, is exemplified as among the figure to have two RCA socket 42a, 42b.In parallel between these a plurality of sockets such as RCA such as grade.The sub-device 4 of second switching reaches a plurality of video reproducing apparatus via these a plurality of RCA sockets 42 with vision signal.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102014432A CN101212112B (en) | 2006-12-28 | 2006-12-28 | Video signal switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102014432A CN101212112B (en) | 2006-12-28 | 2006-12-28 | Video signal switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101212112A CN101212112A (en) | 2008-07-02 |
| CN101212112B true CN101212112B (en) | 2011-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006102014432A Expired - Fee Related CN101212112B (en) | 2006-12-28 | 2006-12-28 | Video signal switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101212112B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219625B (en) * | 2012-01-20 | 2016-12-14 | 北京凯新创达科技发展有限公司 | A kind of HDMI and control signal list netting twine extender |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366635A (en) * | 2000-04-03 | 2002-08-28 | 汤普汉德公司 | Video graphic adaptor for driving sub-monitor of dual monitor using USB port |
| CN2716898Y (en) * | 2004-04-19 | 2005-08-10 | 郭明波 | A USB interface conversion device |
| CN1832631A (en) * | 2005-03-11 | 2006-09-13 | 台均科技（深圳）有限公司 | Earphone with USB plug |
-
2006
- 2006-12-28 CN CN2006102014432A patent/CN101212112B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366635A (en) * | 2000-04-03 | 2002-08-28 | 汤普汉德公司 | Video graphic adaptor for driving sub-monitor of dual monitor using USB port |
| CN2716898Y (en) * | 2004-04-19 | 2005-08-10 | 郭明波 | A USB interface conversion device |
| CN1832631A (en) * | 2005-03-11 | 2006-09-13 | 台均科技（深圳）有限公司 | Earphone with USB plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101212112A (en) | 2008-07-02 |
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