JPS59149783U - Video receiving circuit of color television receiver - Google Patents
Video receiving circuit of color television receiverInfo
- Publication number
- JPS59149783U JPS59149783U JP4354583U JP4354583U JPS59149783U JP S59149783 U JPS59149783 U JP S59149783U JP 4354583 U JP4354583 U JP 4354583U JP 4354583 U JP4354583 U JP 4354583U JP S59149783 U JPS59149783 U JP S59149783U
- Authority
- JP
- Japan
- Prior art keywords
- output
- television receiver
- receiving circuit
- color television
- video signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Processing Of Color Television Signals (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図はこの考案の一実施例の構成を示すブロック図である
。
図において、３は画質制御回路を含む映像増幅器、５は
ノイズ検出回路、６は制御電圧発生回路、７はカラー飽
和度制御回路を含むクロマ信号増幅器を示す。The figure is a block diagram showing the configuration of an embodiment of this invention. In the figure, 3 is a video amplifier including an image quality control circuit, 5 is a noise detection circuit, 6 is a control voltage generation circuit, and 7 is a chroma signal amplifier including a color saturation control circuit.
Claims (3)
像信号およびクロマ信号のない部分の雑音を検出する手
段と、 前記雑音検出手段の出力に応答して、前記複合映像信号
の周波数特性を制御する手段と、前記検出手段の出力に
応答して、前記複合映像信号のクロマ成分飽和度を制御
する手段とを含む、カラーテレビジョン受像機の映像受
信回路。゛(1) means for detecting noise in a portion of the composite video signal in which there is no video signal or chroma signal during one horizontal scanning period; and detecting the frequency characteristics of the composite video signal in response to the output of the noise detection means. A video receiving circuit for a color television receiver, comprising means for controlling, and means for controlling chroma component saturation of the composite video signal in response to an output of the detecting means.゛
手段の出力に応じた制御電圧を発生する手段と、該制御
電圧発生手段の出力電圧に応答して前記複合映像信号の
高域周波数成分を増減する手段とを含む、実用新案登録
請求の範囲第１項記載のカラーテレビジョン受像機の映
像受信回路。(2) The means for controlling the frequency characteristics includes means for generating a control voltage according to the output of the noise detecting means, and a high frequency component of the composite video signal in response to the output voltage of the control voltage generating means. 2. A video receiving circuit for a color television receiver according to claim 1, further comprising means for increasing or decreasing the number of pixels.
記雑音検出手段の出力に応じた制御電圧を発生する手段
と、該制御電圧発生手段の出力電圧に応答して前記クロ
マ成分の利得を減少する手段とを含む、実用新案登録請
求の範囲第１項記載のカラーテレビジョン受像機の映像
受信回路。(3) The means for controlling the chroma component saturation level includes means for generating a control voltage according to the output of the noise detecting means, and reducing the gain of the chroma component in response to the output voltage of the control voltage generating means. 2. A video receiving circuit for a color television receiver according to claim 1, comprising means for:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4354583U JPS59149783U (en) | 1983-03-24 | 1983-03-24 | Video receiving circuit of color television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4354583U JPS59149783U (en) | 1983-03-24 | 1983-03-24 | Video receiving circuit of color television receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59149783U true JPS59149783U (en) | 1984-10-06 |
Family
ID=30174081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4354583U Pending JPS59149783U (en) | 1983-03-24 | 1983-03-24 | Video receiving circuit of color television receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59149783U (en) |
-
1983
- 1983-03-24 JP JP4354583U patent/JPS59149783U/en active Pending
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