CN107592562A - Infrared remote control system for TV set - Google Patents
Infrared remote control system for TV set Download PDFInfo
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- CN107592562A CN107592562A CN201710950527.4A CN201710950527A CN107592562A CN 107592562 A CN107592562 A CN 107592562A CN 201710950527 A CN201710950527 A CN 201710950527A CN 107592562 A CN107592562 A CN 107592562A
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- circuit
- frequency
- brightness
- data processing
- sound accompaniment
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Abstract
The invention discloses infrared remote control system for TV set, including image-forming module, audio frequency and video processing module, the image-forming module includes the antenna being sequentially connected, high-frequency tuner, intermediate level circuit, scanner, video imaging apparatus, the audio frequency and video processing module includes data processing equipment, brightness circuit, color output circuit, chroma decoder, sound accompaniment circuit, audio output device, the data processing equipment is connected with high-frequency tuner, the brightness circuit, chroma decoder, sound accompaniment circuit is connected with data processing equipment respectively, the brightness circuit and chroma decoder are connected with color output circuit respectively, the color output circuit is connected with video imaging apparatus, the sound accompaniment circuit is connected with audio output device, the brightness circuit, chroma decoder, sound accompaniment circuit is also respectively connected with the circuit being connected in intermediate level circuit with scanner.The present invention can shorten the response time, avoid the generation of image conditions of streaking.
Description
Technical field
The present invention relates to television set, and in particular to infrared remote control system for TV set.
Background technology
TV (Television, TV, Video) refers to the image frame and audio using electronic technology and equipment transmission activity
Signal, i.e. television receiver, and important broadcast and video communication instrument, television set is earliest by Britain engineer John Lip river
Lucky Baird is invented in nineteen twenty-five.The visual pattern of TV electronically transmission activity immediately.It is similar with film, TV profit
Show the rest image of a frame frame gradual change with the persistence of vision effect of human eye, form visual live image.Television system is sent out
It is order transmission after electric signal that each fine fraction of scenery is pressed brightness and chroma conversion by sending end.In receiving terminal by corresponding several
What position shows brightness and the colourity of each fine fraction to reappear view picture original image.The progress of science and technology, is that TV is rapid
One major reason of popularization.Various countries' TV signal scanning standard and channel broadband are incomplete same, are seeked advice from by international wireless electricity
The suggestion of the committee (CCIR) is distinguished with the Latin alphabet.Existing television set easily produces image conditions of streaking, causes image to drag
The reason for tail, is that the response time is oversize, and the only response time short enough just can guarantee that the coherent of picture.
The content of the invention
The technical problems to be solved by the invention are that existing television set easily produces image conditions of streaking, cause image to trail
The reason for be that the response time is oversize, and it is an object of the present invention to provide infrared remote control system for TV set, shorten the response time, avoid image from dragging
The generation of tail phenomenon.
The present invention is achieved through the following technical solutions：
Infrared remote control system for TV set, including image-forming module, audio frequency and video processing module, the image-forming module include connecting successively
Antenna, high-frequency tuner, intermediate level circuit, scanner, the video imaging apparatus connect, the audio frequency and video processing module are included at data
Manage device, brightness circuit, color output circuit, chroma decoder, sound accompaniment circuit, audio output device, the data processing equipment
It is connected with high-frequency tuner, the brightness circuit, chroma decoder, sound accompaniment circuit are connected with data processing equipment respectively, described
Brightness circuit and chroma decoder are connected with color output circuit respectively, and the color output circuit is connected with video imaging apparatus, institute
State sound accompaniment circuit to be connected with audio output device, the brightness circuit, chroma decoder, sound accompaniment circuit are also respectively connected with and put in
On the circuit that circuit is connected with scanner.
In the present invention, antenna is used to receive video data signal；Three effects, first effect be present in high-frequency tuner
It is in many signals sensed in antenna, by input circuit and the high television channel program put grade loop choice and go out needs, the
Two effects are the high-frequency TV signals that will be selected, and wherein high-frequency TV signal includes picture-and-sound high-frequency signal, are passed through
High-frequency amplifier amplifies, and improves sensitivity, and meets the amplitude required for frequency mixer, and the 3rd effect will be schemed by frequency mixer
As high-frequency signal and sound accompaniment high-frequency signal are transformed into the vision intermediate frequency and the first accompanying sound intermediate frequency signal of each self-retaining, in being then delivered to
Audio amplifier further amplifies；Intermediate level circuit has four effects, and first effect is the intermediate-freuqncy signal of enlarged drawing, to sound accompaniment
The multiplication factor general control of signal is the 5% of composite video signal amplification quantity, in order to avoid sound on vision, second effect be through
Cross video detection and obtain composite colour television signal, the 3rd effect is by vision intermediate frequency and the first sound accompaniment in vision signal detector
Frequency mixing produces 6.5MHz the second accompanying sound intermediate frequency signal, and the 4th effect is to produce intermediate level circuit and tuner High Amplifier Circuit institute
Automatic frequency adjustment voltage needed for the AGC voltage and tuner needed.The data that antenna receives in the prior art are first
Intermediate level circuit is first passed through again by high-frequency tuner, and the signal that antenna receives is first passed through high-frequency tuner by the present invention, then is passed through
Intermediate level circuit, the signal that antenna receives first pass through high-frequency tuner and have selected fixed television channel, sensitivity is carried
Height, while be exaggerated to the signal of fixed television channel, the signal of fixed television channel is by intermediate level circuit to signal
Further amplified, while control interference of the sound accompaniment to image, so can shortened the response time, avoid image conditions of streaking
Occur.
Further, the data processing equipment includes video decoder, memory, keying device, interface circuit, infrared
Receiver, microprocessor, the video decoder, memory, keying device, interface circuit, infrared remote receiver respectively with micro- place
Device connection is managed, the data processing equipment is connected by frequency range decoder with high-frequency tuner, and the data processing equipment passes through
Interface circuit is connected with brightness circuit, chroma decoder, sound accompaniment circuit respectively.The data processing equipment is distant for receiving TV
The processing of the signal and video of control, optimize vision signal, improve vision signal stability and be imaged again by subsequent conditioning circuit
And audio output.
Further, the scanner includes line scanner and field scanner.
The present invention compared with prior art, has the following advantages and advantages：The signal that the present invention receives antenna
High-frequency tuner is first passed through, then by intermediate level circuit, the signal that antenna receives first passes through high-frequency tuner and have selected fixed electricity
Tv channel, sensitivity is improved, while the signal of fixed television channel is exaggerated, fixed television channel
Signal is further amplified by intermediate level circuit to signal, while controls interference of the sound accompaniment to image, can so shorten response
Time, avoid the generation of image conditions of streaking.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in figure 1, infrared remote control system for TV set, including image-forming module, audio frequency and video processing module, the image-forming module
Including antenna, high-frequency tuner, intermediate level circuit, scanner, the video imaging apparatus being sequentially connected, the audio frequency and video processing module
Including data processing equipment, brightness circuit, color output circuit, chroma decoder, sound accompaniment circuit, audio output device, the number
Be connected according to processing unit with high-frequency tuner, the brightness circuit, chroma decoder, sound accompaniment circuit respectively with data processing equipment
Connection, the brightness circuit and chroma decoder are connected with color output circuit respectively, and the color output circuit fills with video imaging
Connection is put, the sound accompaniment circuit is connected with audio output device, and the brightness circuit, chroma decoder, sound accompaniment circuit are also distinguished
It is connected on the circuit that intermediate level circuit is connected with scanner.Scanner includes line scanner and field scanner.
Data processing equipment includes video decoder, memory, keying device, interface circuit, infrared remote receiver, microprocessor
Device, the video decoder, memory, keying device, interface circuit, infrared remote receiver are connected with microprocessor respectively, described
Data processing equipment is connected by frequency range decoder with high-frequency tuner, the data processing equipment by interface circuit respectively with
Brightness circuit, chroma decoder, sound accompaniment circuit connection.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (3)
1. infrared remote control system for TV set, it is characterised in that including image-forming module, audio frequency and video processing module, the image-forming module
Including antenna, high-frequency tuner, intermediate level circuit, scanner, the video imaging apparatus being sequentially connected, the audio frequency and video processing module
Including data processing equipment, brightness circuit, color output circuit, chroma decoder, sound accompaniment circuit, audio output device, the number
Be connected according to processing unit with high-frequency tuner, the brightness circuit, chroma decoder, sound accompaniment circuit respectively with data processing equipment
Connection, the brightness circuit and chroma decoder are connected with color output circuit respectively, and the color output circuit fills with video imaging
Connection is put, the sound accompaniment circuit is connected with audio output device, and the brightness circuit, chroma decoder, sound accompaniment circuit are also distinguished
It is connected on the circuit that intermediate level circuit is connected with scanner.
2. infrared remote control system for TV set according to claim 1, it is characterised in that the data processing equipment includes regarding
Frequency decoder, memory, keying device, interface circuit, infrared remote receiver, microprocessor, the video decoder, memory,
Keying device, interface circuit, infrared remote receiver are connected with microprocessor respectively, and the data processing equipment passes through frequency range decoder
It is connected with high-frequency tuner, the data processing equipment is electric with brightness circuit, chroma decoder, sound accompaniment respectively by interface circuit
Road connects.
3. infrared remote control system for TV set according to claim 1, it is characterised in that the scanner includes line scanner
And field scanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710950527.4A CN107592562A (en) | 2017-10-13 | 2017-10-13 | Infrared remote control system for TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710950527.4A CN107592562A (en) | 2017-10-13 | 2017-10-13 | Infrared remote control system for TV set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107592562A true CN107592562A (en) | 2018-01-16 |
Family
ID=61053850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710950527.4A Withdrawn CN107592562A (en) | 2017-10-13 | 2017-10-13 | Infrared remote control system for TV set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107592562A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641792A (en) * | 2020-05-19 | 2020-09-08 | 彩迅工业(深圳)有限公司 | Configurable high-frequency tuner |
-
2017
- 2017-10-13 CN CN201710950527.4A patent/CN107592562A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641792A (en) * | 2020-05-19 | 2020-09-08 | 彩迅工业(深圳)有限公司 | Configurable high-frequency tuner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180116 |