CN203054820U - Television-computer all-in-one machine and driving board thereof - Google Patents
Television-computer all-in-one machine and driving board thereof Download PDFInfo
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- CN203054820U CN203054820U CN 201320040734 CN201320040734U CN203054820U CN 203054820 U CN203054820 U CN 203054820U CN 201320040734 CN201320040734 CN 201320040734 CN 201320040734 U CN201320040734 U CN 201320040734U CN 203054820 U CN203054820 U CN 203054820U
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Abstract
The utility model discloses a television-computer all-in-one machine and a driving board of the television-computer all-in-one machine. The driving board of the television-computer all-in-one machine comprises a video processing chip, an internal VGA input interface, an external VGA input interface and a VGA changing-over module. The VGA changing-over module receives an internal VGA signal input from the internal VGA input interface and an external VGA signal input from the external VGA input interface. The VGA changing-over module outputs one of the received internal VGA signal and the received external VGA signal to the video processing chip. The control end of the video processing chip is connected with the trigger end of the VGA changing-over module. The video processing chip controls the VGA changing-over module to change over the single output by the VGA changing-over module. According to the television-computer all-in-one machine and the driving board of the television-computer all-in-one machine, simultaneous input of the VGA signals of an internal computer and VGA signals of an external computer or other devices can be achieved, and output display of signals which are selected to be changed over can be achieved.
Description
Technical field
The utility model relates to and belongs to electronic technology field, particularly a kind of television PC and drive plate thereof.
Background technology
Along with the develop rapidly of science and technology, the new product of computer and TV constantly emerges, and the television PC that has TV functions and computer function simultaneously also occurs.But the drive plate of existing television PC is owing to have only a path built-in VGA contact pin interface, can only satisfy the input of one road VGA signal, at internal computer during by the input of built-in VGA interface, can't realize external computer or outside other equipment the VGA signal import simultaneously.
The utility model content
Fundamental purpose of the present utility model can satisfy television PC and the drive plate thereof that internal computer VGA signal and external computer VGA signal are imported simultaneously for providing a kind of.
The utility model proposes a kind of drive plate of television PC, comprise video frequency processing chip, built-in VGA input interface, external VGA input interface and VGA handover module, wherein:
The first input end of described VGA handover module connects described built-in VGA input interface, receives from the input of the inside VGA signal of described built-in VGA input interface input; Second input end of described VGA handover module connects described external VGA input interface, receives from the input of the outside VGA signal of described external VGA input interface input; The output terminal of described VGA handover module connects the VGA input end of described video frequency processing chip, and a road in the inside VGA signal that receives and the outside VGA signal outputed to described video frequency processing chip; The control end of described video frequency processing chip connects the trigger end of described VGA handover module, controls the signal that described VGA handover module switches its output terminal output.
Preferably, also comprise VGA one-to-two module and VGA output interface, described built-in VGA input interface connects the input end of described VGA one-to-two module, first output terminal of described VGA one-to-two module connects the first input end of described signal handover module, and second output terminal connects described VGA output interface.
Preferably, also comprise the infrared inductor that is connected and is used for receiving the signal of television PC telepilot emission with the keystroke interface of described video frequency processing chip.
Preferably, described VGA handover module is alternative video switch chip.
Preferably, described VGA one-to-two module is VGA one-to-two chip or VGA one-to-two connector.
The utility model also proposes a kind of television PC, comprises aforesaid drive plate.
Television PC of the present utility model and drive plate thereof, comprise built-in VGA input interface and external VGA input interface, can satisfy the input of computer VGA signal of television PC inside and the VGA signal input of external computer or other equipment simultaneously, the user can be switched by the signal of control VGA handover module to output, be about to two-way VGA signal and switch in the display screen demonstration, increase the outside expansion of television PC and select, improve the user and experience.
Description of drawings
Fig. 1 is the structural representation of the utility model drive plate preferred embodiment.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, Fig. 1 is the structural representation of the utility model drive plate preferred embodiment, the drive plate of the television PC that this embodiment proposes comprises video frequency processing chip 10, built-in VGA input interface 20, external VGA input interface 30 and VGA handover module 40, wherein:
The first input end of VGA handover module 40 connects built-in VGA input interface 20, receives from the input of the inside VGA signal of built-in VGA input interface 20 inputs; Second input end of VGA handover module 40 connects external VGA input interface 30, receives from the input of the outside VGA signal of external VGA input interface 30 inputs; The output terminal of VGA handover module 40 connects the VGA input end of video frequency processing chip 10, and a road in the inside VGA signal that receives and the outside VGA signal outputed to video frequency processing chip 10; The control end of video frequency processing chip 10 connects the trigger end of VGA handover module 40, and control VGA handover module 40 switches the signal of its output terminal output.
Concrete, built-in VGA input interface 20 connects the internal computer of television PC, external VGA input interface 30 connects outside computer or other equipment, inner VGA signal is the VGA signal of the input of internal computer, the VGA signal of the VGA input that outside VGA signal is external computer or other equipment.
Mode 1, video frequency processing chip 10 are just controlled by the level of its control end, when control end is high level, trigger end also is high level, and the output terminal of VGA handover module 40 is exported inner VGA signal (i.e. the signal of importing from built-in VGA input interface 20) at this moment; When control end was low level, trigger end also was low level, and the output terminal of VGA handover module 40 is exported outside VGA signal (i.e. the signal of importing from external VGA input interface 30) at this moment; Certainly, this kind mode can also namely when the control end high level, be exported outside VGA signal conversely, when the control end low level, exports inner VGA signal.
Mode 2, video frequency processing chip 10 are controlled by its control end output pulse signal, when pulse signal of control end input during to the trigger end of VGA handover module 40, trigger VGA handover module 40 switching output terminals and export another road signal, what suppose output this moment is inner VGA signal, when receiving pulse signal, then switch to the outside VGA signal of output, receive the pulse signal that next control end is exported until trigger end, the signal of the output terminal output of VGA handover module 40 just can switch back inner VGA signal.This kind mode is pulse signal of the every output of the control end of video frequency processing chip 10, and the signal of the output terminal output of VGA handover module 40 just switches once.
Certainly, the mode that video frequency processing chip 10 control VGA handover modules 40 output terminal output signals are switched in the present embodiment is not limited to above-mentioned two kinds.
The drive plate of the television PC that present embodiment proposes, comprise built-in VGA input interface 20 and external VGA input interface 30, can satisfy the input of computer VGA signal of television PC inside and the VGA signal input of external computer or other equipment simultaneously, the user can be switched by the signal of 40 pairs of outputs of control VGA handover module, be about to two-way VGA signal and switch in the display screen demonstration, increase the outside expansion of television PC and select, improve the user and experience.
Further, in the present embodiment, drive plate also comprises VGA one-to-two module 50 and VGA output interface 60, built-in VGA input interface 20 connects the input end of VGA one-to-two module 50, first output terminal of VGA one-to-two module 50 connects the first input end of signal handover module, and second output terminal connects VGA output interface 60.Built-in VGA input interface 20 will be realized the identical demonstration output of two-way through first output terminal of VGA one-to-two module 50 with second output terminal respectively from the inside VGA signal of built-in VGA input interface 20 inputs by VGA one-to-two module 50, one the tunnel through first output terminal of VGA one-to-two module 50 in VGA handover module 40, export through video frequency processing chip 10 to display screen again; To VGA output interface 60, VGA output interface 60 can connect the outer projections instrument or other display equipment shows output through second output terminal of VGA one-to-two module 50 on another road.The present embodiment drive plate be the television PC internal computer the VGA signal extension peripheral hardware display interface, show when can realize himself display screen and external display device simultaneously, promoted the functional of television PC.
Further, drive plate also comprises the infrared inductor 70 that is connected and is used for receiving the signal of television PC telepilot emission with the keystroke interface of video frequency processing chip 10.Concrete, the generation of the control signal of the control end of video frequency processing chip 10 (can be level signal or pulse signal etc.) is triggered by telepilot, the user uses a teleswitch and has sent when switching the infrared signal that shows, infrared inductor 70 receives signal and gives video frequency processing chip 10, video frequency processing chip 10 produces control signal to the trigger end of VGA handover module 40 at its control end, and then realizes switching demonstration.
In the present embodiment, VGA handover module 40 is alternative video switch chip.VGA one-to-two module 50 is VGA one-to-two chip or VGA one-to-two connector.
The utility model also proposes a kind of television PC, comprises telepilot and drive plate, this drive plate can comprise aforementioned embodiment illustrated in fig. 1 in all technical schemes, do not do at this and to give unnecessary details, its detailed interface can be with reference to previous embodiment.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (6)
1. the drive plate of a television PC comprises video frequency processing chip and built-in Video Graphics Array VGA input interface, it is characterized in that, also comprises external VGA input interface and VGA handover module, wherein:
The first input end of described VGA handover module connects described built-in VGA input interface, receives from the input of the inside VGA signal of described built-in VGA input interface input; Second input end of described VGA handover module connects described external VGA input interface, receives from the input of the outside VGA signal of described external VGA input interface input; The output terminal of described VGA handover module connects the VGA input end of described video frequency processing chip, and a road in the inside VGA signal that receives and the outside VGA signal outputed to described video frequency processing chip; The control end of described video frequency processing chip connects the trigger end of described VGA handover module, controls the signal that described VGA handover module switches its output terminal output.
2. drive plate according to claim 1, it is characterized in that, also comprise VGA one-to-two module and VGA output interface, described built-in VGA input interface connects the input end of described VGA one-to-two module, first output terminal of described VGA one-to-two module connects the first input end of described signal handover module, and second output terminal connects described VGA output interface.
3. drive plate according to claim 1 and 2 is characterized in that, also comprises the infrared inductor that is connected and is used for receiving the signal of television PC telepilot emission with the keystroke interface of described video frequency processing chip.
4. drive plate according to claim 3 is characterized in that, described VGA handover module is alternative video switch chip.
5. drive plate according to claim 2 is characterized in that, described VGA one-to-two module is VGA one-to-two chip or VGA one-to-two connector.
6. a television PC comprises telepilot, it is characterized in that, comprises as each described drive plate among the claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320040734 CN203054820U (en) | 2013-01-25 | 2013-01-25 | Television-computer all-in-one machine and driving board thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320040734 CN203054820U (en) | 2013-01-25 | 2013-01-25 | Television-computer all-in-one machine and driving board thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203054820U true CN203054820U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320040734 Expired - Fee Related CN203054820U (en) | 2013-01-25 | 2013-01-25 | Television-computer all-in-one machine and driving board thereof |
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| CN (1) | CN203054820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112487508A (en) * | 2020-11-30 | 2021-03-12 | 超越科技股份有限公司 | Domestic secret all-in-one that is involved that possesses mode switching function |
| CN113590068A (en) * | 2021-08-02 | 2021-11-02 | 西安超越申泰信息科技有限公司 | All-in-one machine display switching method and device and all-in-one machine |
-
2013
- 2013-01-25 CN CN 201320040734 patent/CN203054820U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112487508A (en) * | 2020-11-30 | 2021-03-12 | 超越科技股份有限公司 | Domestic secret all-in-one that is involved that possesses mode switching function |
| CN113590068A (en) * | 2021-08-02 | 2021-11-02 | 西安超越申泰信息科技有限公司 | All-in-one machine display switching method and device and all-in-one machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20150125 |
|
| EXPY | Termination of patent right or utility model |