CN101056352A - Processing device of display input signals - Google Patents
Processing device of display input signals Download PDFInfo
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- CN101056352A CN101056352A CN 200610039462 CN200610039462A CN101056352A CN 101056352 A CN101056352 A CN 101056352A CN 200610039462 CN200610039462 CN 200610039462 CN 200610039462 A CN200610039462 A CN 200610039462A CN 101056352 A CN101056352 A CN 101056352A
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Abstract
The present invention relates to a display input signals processing device which deals with signals selectively by judging signal path types of input display. The device in accordance with the present invention is capable of automatically controlling types of signal connection lines for connecting video signal providing mechanism and display and then selectively dealing with horizontal synchronous signals or vertical synchronous signals. Therefore, by automatically or manually controlling the types of signal connection lines used for connecting video signal providing mechanism and display, the display input signals processing device in accordance with the present invention selectively dealing with synchronous signals of different types and realizes more stable menu play, and then improves the satisfaction degree of users with product.
Description
Technical field
The present invention relates to a kind of video display devices signal processing apparatus and implementation method, adopt this method,, carry out signal processing selectively by differentiating the input path of the signal in the input display.
Background technology
At present, generally the video display of Shi Yonging generally all is the device of playing again such as reception images such as DV, displays, the vision signal by the specific format that the built-in video card of PC transmitted that particularly will receive is carried out a series of signal processing such as digitlization sampling and calibration, carries out the display that picture is play again.
It is the developing direction of present display that display maximizes, wherein representative flat panel display parts are exactly on the miniscope basis of adopting leonard's tube, the modern technologies that application is suitable for the display maximization develop, because the development of play-back technology, compare more lightly with CRT mode in the past, the image quality LCD display of digital form more clearly is widely used gradually.
In this display, generally adopt D-SUB line that China generally uses and the widely used EURO SCART of European Region etc. to the connecting line of display input signals by PC.
Below in conjunction with accompanying drawing, the monitor signal input processing device of using prior art is described.
Fig. 1 is the module map that adopts the processing device of display input signals of prior art.
As shown in Figure 1, the processing device of display input signals that adopts prior art be by receive the rgb video signal from the PC10 (not shown), exported and horizontal-drive signal, the signal receiving part 20 of vertical synchronizing signal and the rgb video signal that will from above-mentioned signal receiving part 20, import and horizontal-drive signal, vertical synchronizing signal is handled, and converts signal processing display unit 30 formations of the signal that can play to.
As the above-mentioned display of making according to prior art, generally be connected with PC by D-SUB line or the widely used EURO SCART of European Region line.But, when the EUROSCART line that adopts is connected with PC, often with rgb signal and vision signal and above-mentioned horizontal-drive signal mixing input in the lump, like this, under the state that can not detect video synchronization signal to display input signals, thereby appear at the unsettled phenomenon of picture when playing easily.Therefore cause the discontented mood of consumer easily to product.
Summary of the invention
Problem to be solved by this invention is exactly: how to determine from the input path classification of the vision signal of PC input display.
Simultaneously, another problem to be solved by this invention is exactly the input path classification according to the input signal of being judged, synchronizing signal is carried out distinguishing processing.
For achieving the above object, monitor signal processing unit provided by the present invention comprises: the PC of output rgb video signal, horizontal-drive signal and vertical synchronizing signal; The signal transmission component of the above-mentioned signal that transmission is exported from above-mentioned PC; Handle the horizontal-drive signal from above-mentioned PC, exported or the display of vertical synchronizing signal selectively according to the type of above-mentioned signal transmission component.
Also comprise according to desirable display provided by the present invention: the signal input part that receives rgb video signal, horizontal-drive signal and the vertical synchronizing signal from above-mentioned signal transmission component, exported; The synchronizing signal processing unit of horizontal-drive signal and vertical synchronizing signal being handled according to the type of above-mentioned signal transmission component and the selected pattern of user; Whether receive the situation of synchronous video signal according to above-mentioned synchronizing signal processing unit, can realize the microcomputer that horizontal-drive signal or vertical synchronizing signal are carried out selectivity output control; According to the control signal of above-mentioned microcomputer,, convert thereof into the Signal Processing Element of the signal that can on picture, play to handling via the rgb video signal of above-mentioned signal input part input.
The better formation of the present invention also comprises the setting to above-mentioned signal transmission component, and promptly above-mentioned signal transmission component is a kind of in D-SUB line or the widely used EURO SCART of the European Region line.
The even more ideal formation of the present invention also comprises the setting to above-mentioned synchronizing signal processing unit, and promptly above-mentioned synchronizing signal processing unit comprises: the separated in synchronization parts of isolating video synchronization signal from the horizontal-drive signal that inputs to above-mentioned signal input part; With control signal according to above-mentioned control assembly, export selectively above-mentioned from the separated in synchronization parts the isolated horizontal-drive signal or the replacement part of the horizontal-drive signal by the output of above-mentioned signal input part.
The even more ideal formation of the present invention also comprises the setting to above-mentioned replacement part, and promptly above-mentioned replacement part has: first replacement part of exporting the vertical synchronizing signal of exporting by above-mentioned signal input part according to the control signal of above-mentioned control assembly selectively; With second replacement part of exporting horizontal-drive signal of exporting by above-mentioned signal input part or the horizontal-drive signal of from above-mentioned separated in synchronization parts, separating according to the control signal of above-mentioned control assembly selectively.
For achieving the above object, monitor signal processing unit of the present invention can also comprise: the PC of output rgb video signal, horizontal-drive signal and vertical synchronizing signal; Transmission is from the signal transmission component of the above-mentioned signal of above-mentioned PC output; According to user's requirement display to from the signal of above-mentioned signal transmission component input, horizontal-drive signal or vertical synchronizing signal being handled selectively.
As the desirable formation of the present invention, aforementioned display device comprises: receive the signal input part via above-mentioned signal transmission component transmission; Accept the user interface of user's order; According to the user preference pattern of user, judge in horizontal-drive signal whether have vision signal, and import the microcomputer of control signal corresponding according to judged result by above-mentioned signal input part input by the input of user interface; According to the control signal of above-mentioned microcomputer output, selectively to exporting the synchronizing signal processing unit of processing from the vertical synchronizing signal of above-mentioned signal input part output; According to the horizontal-drive signal or the vertical synchronizing signal that in above-mentioned synchronizing signal processing unit, obtain handling,, make it to convert to the Signal Processing Element of the signal that can play to handling from the rgb video signal of above-mentioned signal input part transmission.
Aforesaid processing device of display input signals provided by the present invention can be achieved as follows function:
The first, can control the type that is used to connect the signal connecting line between vision signal generator and display by automatic or manual, carry out different synchronizing signals in view of the above and handle.
The second, when connecting, can carry out independent separating treatment, thereby can realize more stable picture broadcast video synchronization signal by EURO SCART.
The 3rd, by more stable picture effect is provided to the user, can improve the satisfaction of user to product.
Description of drawings
Fig. 1 is the module map that adopts the processing device of display input signals of prior art.
Fig. 2 is the module map according to first embodiment of the processing device of display input signals of the present invention's realization.
Fig. 3 is the module map according to second embodiment of the processing device of display input signals of the present invention's realization.
Accompanying drawing major part symbol description:
100:PC 200: signal transmission component
300: display 310: signal input part
320: user interface 330,331: microcomputer
340: synchronizing signal processing unit 341: the separated in synchronization parts
342: replacement part 342a: first replacement part
342b: second replacement part 350: Signal Processing Element
Embodiment
Below by accompanying drawing, first and second embodiment of the processing device of display input signals that foundation the present invention is constituted is described in more detail.
Fig. 2 is the module map according to first embodiment of the processing device of display input signals of the present invention's realization.Fig. 3 is the module map according to second embodiment of the processing device of display input signals of the present invention's realization.
[first embodiment]
Processing device of display input signals provided by the present invention constitutes as shown in Figure 2, comprising: the PC100 of output rgb video signal, horizontal-drive signal and vertical synchronizing signal; The signal transmission component 200 of the above-mentioned signal that transmission is exported from above-mentioned PC100; Handle the display 300 of from above-mentioned PC100, exporting horizontal-drive signal or vertical synchronizing signal selectively according to the type of above-mentioned signal transmission component 200.
Above-mentioned signal transmission component 200 general widely used D-SUB line of China or the widely used EURO SCART of the European Region lines of adopting.
Simultaneously, aforementioned display device 300 comprises: receive the signal input part 310 via above-mentioned signal transmission component 200 transmission; According to the type and the selected pattern of user of above-mentioned signal transmission component 200, the synchronizing signal processing unit 340 that horizontal-drive signal or vertical synchronizing signal are handled; According to the situation of above-mentioned synchronizing signal processing unit 340 receiver, video synchronizing signals, horizontal-drive signal or vertical synchronizing signal selectivity are exported the microcomputer of controlling 330; According to the control signal of above-mentioned microcomputer 330 outputs,, make it to convert to the Signal Processing Element 350 of the signal that can play to handling from the rgb video signal of above-mentioned signal input part 310 transmission.
The signal input part 310 here is to be made of the widely used D-SUB 15PIN of China.
The synchronizing signal processing unit 340 of present embodiment comprises: the separated in synchronization parts 341 of isolating video synchronization signal from the horizontal-drive signal that inputs to above-mentioned signal input part; With control signal according to 330 outputs of above-mentioned microcomputer, export selectively above-mentioned from separated in synchronization parts 341 the isolated horizontal-drive signal or the replacement part 342 of the horizontal-drive signal of exporting by above-mentioned signal input part 310.
The workflow of processing device of display input signals is described as follows as constituted above.
Above-mentioned PC100 energized, rgb video signal among the above-mentioned PC100 and level or vertical synchronizing signal input to corresponding display 300 by the signal transmission component 200 that is connected with above-mentioned PC100.
At this moment,, then do not need other special procedure to handle, directly can in aforementioned display device 300, carry out signal processing if above-mentioned signal transmission component 200 is made of the D-SUB line; But if be made of EURO SCART, then signal transmission component 200 transmits horizontal-drive signal and video signal mixture in the lump.
In this case, horizontal-drive signal by above-mentioned signal input part 310 inputs, input in the separated in synchronization parts 341 of above-mentioned synchronizing signal processing unit 340, in above-mentioned separated in synchronization parts 341, with after being mixed in video synchronization signal in the above-mentioned horizontal-drive signal and separating, output in above-mentioned microcomputer 330.
At this moment, whether 330 pairs of above-mentioned separated in synchronization parts 341 of above-mentioned microcomputer are differentiated to its output video synchronizing signal, and to above-mentioned replacement part 342 output control signals, the first replacement part 342a of above-mentioned replacement part 342 does not select the vertical synchronizing signal via above-mentioned signal input part 310 inputs, and the above-mentioned first replacement part 342B selects the horizontal-drive signal of output from above-mentioned separated in synchronization parts 341.
That is,, then in above-mentioned Signal Processing Element 350, only provide horizontal-drive signal, and vertical synchronizing signal is not provided if that 200 employings of above-mentioned signal transmission component is EURO SCART.
[second embodiment]
Above-mentioned workflow is the signal processing of automatic distinguishing EURO SCART signal, with next be the workflow of carrying out signal processing according to user's selection manually.
With reference to Fig. 3, it is as follows that the second embodiment of the present invention is elaborated.
In Fig. 3, the component part identical with Fig. 2 adopts the numbering of usefulness mutually.
Constitute as shown in Figure 3 according to processing device of display input signals of the present invention, comprising: the PC100 of output rgb video signal, horizontal-drive signal and vertical synchronizing signal; The signal transmission component 200 of the above-mentioned signal that transmission is exported from above-mentioned PC100; The display of in the signal of output from above-mentioned signal transmission component 200, horizontal-drive signal or vertical synchronizing signal optionally being handled according to user's requirement 300.
Aforementioned display device is to comprise: receive the signal input part 310 via the above-mentioned signal of above-mentioned signal transmission component 200 transmission; Accept the user interface 320 of user's order; According to the user preference pattern of user by 320 inputs of user interface, the output control signal corresponding is so that optionally export horizontal-drive signal or the microcomputer of vertical synchronizing signal 331; According to the control signal of above-mentioned microcomputer 331 outputs, selectively to exporting the synchronizing signal processing unit 340 of processing from the vertical synchronizing signal of above-mentioned signal input part 310 outputs; According to the horizontal-drive signal or the vertical synchronizing signal that in above-mentioned synchronizing signal processing unit 340, obtain handling, to handling, make it to convert to the Signal Processing Element 330 of the signal that can play from the rgb video signal of above-mentioned signal input part 310 transmission.
That is, the user can select needed pattern according to the hobby of oneself, and this moment, selected pattern can be divided into types such as general modfel and European pattern, thereby the user can be selected as required.
At this moment,, then can set general modfel if above-mentioned signal transmission component 200 is to be formed by connecting by general D-SUB line, and if what connect is EURO SCART line, then be set at European pattern.
The pattern that above-mentioned microcomputer 331 identification users set, if identify the general modfel that is of user's setting, then, make by the level or the vertical synchronizing signal of above-mentioned signal input part 310 inputs and export simultaneously to above-mentioned replacement part 342 output control signals.
When the user is set at European pattern, above-mentioned microcomputer 331 output control signals, select by 342 pairs of above-mentioned replacement parts isolated horizontal-drive signal from above-mentioned separated in synchronization parts 341, meanwhile, the vertical synchronizing signal of output is not selected from above-mentioned signal input part 310, like this, only provide horizontal-drive signal to above-mentioned Signal Processing Element 350.
Like this, according to the type of the employed connecting line of user, in display 300, can realize different synchronization signal processing by mode initialization.Except above-mentioned PC100 other provides the device of vision signal in addition, as DVD, also can carry out the corresponding action process at the type of different connecting lines according to above-mentioned principle.
Claims (7)
1, a kind of processing device of display input signals comprises:
The PC of output rgb video signal, horizontal-drive signal and vertical synchronizing signal;
The signal transmission component of the above-mentioned signal that transmission is exported from above-mentioned PC;
The display of selectively horizontal-drive signal exported from above-mentioned PC or vertical synchronizing signal being handled according to the type of above-mentioned signal transmission component.
2, processing device of display input signals as claimed in claim 1 also comprises:
The signal input part of the rgb video signal that reception is exported from above-mentioned signal transmission component, horizontal-drive signal and vertical synchronizing signal;
The synchronizing signal processing unit of horizontal-drive signal and vertical synchronizing signal being handled according to the type of above-mentioned signal transmission component and the selected pattern of user;
Whether receive the situation of synchronous video signal according to above-mentioned synchronizing signal processing unit, realize the microcomputer that horizontal-drive signal or vertical synchronizing signal are carried out selectivity output control;
According to the control signal of above-mentioned microcomputer,, convert thereof into the Signal Processing Element of the signal that can on picture, play to handling via the rgb video signal of above-mentioned signal input part input.
3, processing device of display input signals as claimed in claim 2, wherein, above-mentioned synchronizing signal processing unit comprises:
From the horizontal-drive signal that inputs to above-mentioned signal input part, isolate the separated in synchronization parts of video synchronization signal; With control signal according to above-mentioned control assembly, export selectively above-mentioned from the separated in synchronization parts the isolated horizontal-drive signal or the replacement part of the horizontal-drive signal by the output of above-mentioned signal input part.
4, processing device of display input signals as claimed in claim 3, wherein, described replacement part comprises:
Export first replacement part of the vertical synchronizing signal of exporting by above-mentioned signal input part selectively according to the control signal of above-mentioned control assembly; With second replacement part of exporting horizontal-drive signal of exporting by above-mentioned signal input part or the horizontal-drive signal of from above-mentioned separated in synchronization parts, separating according to the control signal of above-mentioned control assembly selectively.
5, processing device of display input signals as claimed in claim 1, wherein, above-mentioned signal transmission component is a kind of in D-SUB line or the widely used EURO SCART of the European Region line.
6, a kind of processing device of display input signals comprises:
The PC of output rgb video signal, horizontal-drive signal and vertical synchronizing signal;
Transmission is from the signal transmission component of the above-mentioned signal of above-mentioned PC output;
According to user's requirement display to from the signal of above-mentioned signal transmission component input, horizontal-drive signal or vertical synchronizing signal being handled selectively.
7, processing device of display input signals as claimed in claim 6, wherein, described display comprises:
Reception is via the signal input part of above-mentioned signal transmission component transmission;
Accept the user interface of user's order;
According to the user preference pattern of user, judge in horizontal-drive signal whether have vision signal, and import the microcomputer of control signal corresponding according to judged result by above-mentioned signal input part input by the input of user interface;
According to the control signal of above-mentioned microcomputer output, selectively to exporting the synchronizing signal processing unit of processing from the vertical synchronizing signal of above-mentioned signal input part output;
According to the horizontal-drive signal or the vertical synchronizing signal that in above-mentioned synchronizing signal processing unit, obtain handling,, make it to convert to the Signal Processing Element of the signal that can play to handling from the rgb video signal of above-mentioned signal input part transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610039462 CN101056352A (en) | 2006-04-12 | 2006-04-12 | Processing device of display input signals |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610039462 CN101056352A (en) | 2006-04-12 | 2006-04-12 | Processing device of display input signals |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857735A (en) * | 2011-06-30 | 2013-01-02 | 上海无线电设备研究所 | Real-time video synchronous automatic detection and recovery method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857735A (en) * | 2011-06-30 | 2013-01-02 | 上海无线电设备研究所 | Real-time video synchronous automatic detection and recovery method |
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