CN1104676C - Display system capable of accepting several kinds of input signal - Google Patents
Display system capable of accepting several kinds of input signal Download PDFInfo
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- CN1104676C CN1104676C CN 99124359 CN99124359A CN1104676C CN 1104676 C CN1104676 C CN 1104676C CN 99124359 CN99124359 CN 99124359 CN 99124359 A CN99124359 A CN 99124359A CN 1104676 C CN1104676 C CN 1104676C
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Abstract
The present invention relates to a display system capable of accepting several kinds of input signals, which comprises a liquid crystal display and a differential signal input module. A differential signal input by a first computer is accepted, and a corresponding digital image signal is converted and output. A TV signal input module accepts the input of a TV signal, and a multiplexer is electrically connected with the differential signal input module and the TV signal input module, so one of signals is selected and output. A microcontroller is electrically connected with the multiplexer and the liquid crystal display, and the TV signal input module additionally comprises a frequency band selector. A signal with a specific frequency band is selected from the input TV signal, and a decoder decodes the signal with the specific frequency band into the corresponding digital image signal. The microcontroller controls the selection of the multiplexer.
Description
The invention provides a kind of display system, refer to a kind of display system capable of accepting several kinds of input signal especially.
(liquid crystal display LCD) is a kind of good display device to LCD, and it has image frame and does not glimmer, and consumed power is low, and the little advantage of shared volume.Though the general cathode-ray tube (CRT) of the price of LCD is high, LCD still replaces cathode-ray tube (CRT) gradually becomes display device commonly used in the computer system.Along with computer technology makes rapid progress, just be eliminated in new computer expert's constant year, LCD wherein can also use, and the speed that LCD eliminates is also so quick unlike computer system, eliminating LCD jointly because eliminate computer is very unfortunate really.LCD is of wide application, and except being used for computer system, can also be used to seeing TV.Yet known LCD only can receive the input signal of a particular source, and for example aforementioned LCD that is used in computer system only can receive the signal by the input of this computer, so computer is eliminated or during upgrading, LCD also and then throws aside and can't continue to be used.
Therefore, fundamental purpose of the present invention is to provide a kind of display system capable of accepting several kinds of input signal, to address the above problem.
A kind of display system provided by the invention, this display system comprises: a display panels is used for the data image signal of input is shown to form an image frame; One differential wave load module is used for accepting the differential wave of one first computer input and changes output one corresponding data image signal; One TV signal load module is used for accepting the input of a TV signal, and it includes: a frequency range selector, use the signal of selecting a special frequency channel in the TV signal from this input; And a demoder, be used for the signal decoding of this special frequency channel is become a corresponding data image signal; One multiplexer is electrically connected on this differential wave load module and this TV signal load module, uses from selecting an output among both; One YUV/RGB converter is used for converting the YUV data image signal that this multiplexer is imported to the RGB data image signal and exports this LCD to; And a microcontroller, be electrically connected on this multiplexer and this LCD, be used for controlling the selection of this multiplexer so that select the data image signal of back output can be shown on this LCD to form image frame.
Purpose of the present invention, feature, advantage will be described in detail as follows in conjunction with the embodiments with reference to the accompanying drawings:
Brief Description Of Drawings:
Fig. 1 is the functional-block diagram of display system of the present invention;
Fig. 2 is the control flow chart of Fig. 1 display system.
Please refer to Fig. 1.Fig. 1 is the functional-block diagram of display system 10 of the present invention.Display system 10 of the present invention includes a LCD 12, be used for the RGB data image signal of input is shown to form an image frame, one differential wave load module 14, be used for accepting the differential wave and the conversion output one corresponding RGB data image signal of 13 inputs of one first computer, one TV signal load module 16, be used for accepting the input of a ntsc television signal or a PAL TV signal, one multiplexer 18, be electrically connected on differential wave load module 14 and TV signal load module 16, use from selecting an output among both, one microcontroller 20, be electrically connected on multiplexer 18 and LCD 12, be used for controlling the selection of multiplexer 18 so that select the data image signal of back output can be shown in LCD 12, one digital picture amplifier 24 is electrically connected between multiplexer 18 and the LCD 12, and a YUV/RGB converter 22 is electrically connected on multiplexer 18 and digital picture amplifier 24.
TV signal load module 16 includes the signal of selecting a special frequency channel in the TV signal of a frequency range selector 34 usefulness from this input, and a demoder 36 is used for becoming a corresponding YUV data image signal with input multiplexer 18 signal decoding of this special frequency channel.YUV/RGB converter 22 can convert the YUV data image signal by multiplexer 18 inputs to the RGB data image signal and export on the LCD 12.Display system 10 includes an in-building type second computer 30 in addition, is electrically connected on LCD 12 and microcontroller 20.Second computer 30 includes a VGA module 32, is used for the numerical digit data image signal is transmitted and is shown on the LCD 12.
Microcontroller 20 can be used to control multiplexer 18, second computer 30 and digital picture amplifier 24.Microcontroller 20 can be used to control the selection of multiplexer 18, so that select the data image signal of back output can be shown on the LCD 12 to form image frame.The microcontroller 20 also line of 12 of may command second computer 30 and LCD starts or cuts out (Enable/Disable), so that the RGB data image signal that second computer 30 transmits also can transmit the numerical digit data image signal and be shown on the LCD 12 via VGA module 32.Microcontroller 20 and may command digital picture amplifier 24 are so that can be amplified via the digital picture amplifier and be shown on this LCD from the data image signal of multiplexer 18 outputs.Display system 10 includes a remote input units 26 in addition, and it is provided with a plurality of operating keys 28, via a plurality of operating key 28 may command microcontrollers 20 to carry out corresponding control operation.Therefore the user can utilize remote input units 26 to come control operation display system 10 of the present invention, and is very easy.
Please refer to Fig. 2.Fig. 2 is the control flow chart of Fig. 1 display system 10.The control flow of display system 10 is as follows:
Step 40: select the input signal source.
Is step 42: judgement that second computer system 30 is selected? if then jump to step 48.
Is step 44: judgement that TV signal is selected? if then jump to step 50.
Is step 46: judgement that the differential wave of first computer input is selected? if then jump to step 52.Then get back to step 40 if not.
Step 48: the closing television signal link and first pc connection.Skip to step 54.
Step 50: close second pc connection and first pc connection.Skip to step 54.
Step 52: close second pc connection and TV signal line.Skip to step 54.
Step 54: LCD 12 shows selected input source.
Display system 10 of the present invention can be accepted the input signal of multiple separate sources, though be from first computer 13 differential wave, ntsc television signal or PAL TV signal or from the data image signal of in-building type second computer 30, all can form image frames in LCD 12.Display system 10 can be utilized the control of microcontroller 20, selects to import the signal source of LCD 12, so that the data image signal after selecting can be shown in LCD 12.And the user can utilize remote input units 26 to come control operation display system 10 of the present invention.So the range of application of LCD 12 of the present invention is wide and operation is very easy.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (9)
1. a display system is characterized in that, this display system comprises:
One display panels is used for the data image signal of input is shown to form an image frame;
One differential wave load module is used for accepting the differential wave of one first computer input and changes output one corresponding data image signal;
One TV signal load module is used for accepting the input of a TV signal, and it includes:
One frequency range selector is used the signal of selecting a special frequency channel in the TV signal from this input; And
One demoder is used for the signal decoding of this special frequency channel is become a corresponding data image signal;
One multiplexer is electrically connected on this differential wave load module and this TV signal load module, uses from selecting an output among both;
One YUV/RGB converter is used for converting the YUV data image signal that this multiplexer is imported to the RGB data image signal and exports this LCD to; And
One microcontroller is electrically connected on this multiplexer and this LCD, is used for controlling the selection of this multiplexer so that select the data image signal of back output can be shown on this LCD to form image frame.
2. display system as claimed in claim 1, it is characterized in that, this display system includes one second computer in addition and is electrically connected on this LCD and this microcontroller, line between this second computer of this microcontroller may command and this LCD starts or closes (Enable/Disable), so that the numerical digit data image signal that this second computer transmits also can be shown on this LCD.
3. display system as claimed in claim 2 is characterized in that, this second computer package contains a VGA module, and this second computer is via this VGA module the numerical digit data image signal to be transmitted and is shown on this LCD.
4. display system as claimed in claim 1, it is characterized in that, and include a digital picture amplifier and be electrically connected between this multiplexer and this LCD, this digital picture amplifier of this microcontroller and may command is so that the data image signal of this multiplexer output can be amplified and is shown on this LCD via this digital picture amplifier certainly.
5. display system as claimed in claim 1 is characterized in that, the data image signal that inputs to this LCD is the RGB data image signal, and the signal that this differential wave load module is exported also is the RGB data image signal.
6. display system as claimed in claim 5 is characterized in that, the demoder of this TV signal load module decode output signal be the YUV data image signal.
7. display system as claimed in claim 1 is characterized in that, the TV signal that inputs to this TV signal load module is a ntsc television signal.
8. display system as claimed in claim 1 is characterized in that, the TV signal that inputs to this TV signal load module is a PAL TV signal.
9. display system as claimed in claim 1 is characterized in that, and it is provided with a plurality of operating keys to include a remote input units, via these a plurality of these microcontrollers of operating key may command to carry out corresponding control operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99124359 CN1104676C (en) | 1999-11-25 | 1999-11-25 | Display system capable of accepting several kinds of input signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99124359 CN1104676C (en) | 1999-11-25 | 1999-11-25 | Display system capable of accepting several kinds of input signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1298145A CN1298145A (en) | 2001-06-06 |
| CN1104676C true CN1104676C (en) | 2003-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99124359 Expired - Fee Related CN1104676C (en) | 1999-11-25 | 1999-11-25 | Display system capable of accepting several kinds of input signal |
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| Country | Link |
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| CN (1) | CN1104676C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100338567C (en) * | 2004-05-10 | 2007-09-19 | 联咏科技股份有限公司 | Method for data transmission interface |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7274361B2 (en) * | 2003-09-26 | 2007-09-25 | Mstar Semiconductor, Inc. | Display control device with multipurpose output driver |
| CN100394780C (en) * | 2004-04-30 | 2008-06-11 | 万利达集团有限公司 | Four-in-one color liquid crystal TV set |
| CN100347661C (en) * | 2004-06-25 | 2007-11-07 | 北京中星微电子有限公司 | Interface processing system of bus for liquid-crystal displaying device |
| CN101226424B (en) * | 2007-01-15 | 2013-03-27 | 旺玖科技股份有限公司 | Multimedia electronic type switcher |
| CN104613592A (en) * | 2014-12-01 | 2015-05-13 | 广东美的制冷设备有限公司 | Household appliance with remote controller |
| CN112462799A (en) * | 2020-12-05 | 2021-03-09 | 阿坝师范学院 | Unmanned aerial vehicle autopilot system |
-
1999
- 1999-11-25 CN CN 99124359 patent/CN1104676C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100338567C (en) * | 2004-05-10 | 2007-09-19 | 联咏科技股份有限公司 | Method for data transmission interface |
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| Publication number | Publication date |
|---|---|
| CN1298145A (en) | 2001-06-06 |
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