JPS6123776U - Automatic contrast limiting circuit - Google Patents

Automatic contrast limiting circuit

Info

Publication number
JPS6123776U
JPS6123776U JP10713284U JP10713284U JPS6123776U JP S6123776 U JPS6123776 U JP S6123776U JP 10713284 U JP10713284 U JP 10713284U JP 10713284 U JP10713284 U JP 10713284U JP S6123776 U JPS6123776 U JP S6123776U
Authority
JP
Japan
Prior art keywords
limiting circuit
automatic contrast
contrast limiting
diode
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
Application number
JP10713284U
Other languages
Japanese (ja)
Inventor
久仁夫 桜井
文夫 鈴木
Original Assignee
パイオニア株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP10713284U priority Critical patent/JPS6123776U/en
Publication of JPS6123776U publication Critical patent/JPS6123776U/en
Pending legal-status Critical Current

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  • Television Receiver Circuits (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案による回路の基本構成を示す回路図、第
2図は本考案の回路を適用した具体例を示す回路図、及
び第3図は従来技術の問題点を説明するための説明図で
ある。 2・・・・・・コントラスト制御回路、CD・・・・・
・ダイオード。
Fig. 1 is a circuit diagram showing the basic configuration of the circuit according to the present invention, Fig. 2 is a circuit diagram showing a specific example to which the circuit of the present invention is applied, and Fig. 3 is an explanation for explaining the problems of the prior art. It is a diagram. 2...Contrast control circuit, CD...
·diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] コントラスト制御回路に加える直流電圧レベルを可変し
てコントラスト制御を行うようになしたテレビ受像機に
おいて、前記直流電圧が加えられている点に、一端に映
像信号が印加されているダイオードの他端を接続し、前
記映像信号のピニクが所定値を越えたとき前記ダイオー
ドを導通して前記直流電圧レベルを変化し、コントラス
トを減少するようになしたことを特徴とする自動コント
ラスト制限回路。
In a television receiver in which contrast control is performed by varying the DC voltage level applied to the contrast control circuit, the other end of a diode to which a video signal is applied to one end is connected to the point where the DC voltage is applied. and when the peak of the video signal exceeds a predetermined value, the diode is made conductive to change the DC voltage level and reduce the contrast.
JP10713284U 1984-07-17 1984-07-17 Automatic contrast limiting circuit Pending JPS6123776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10713284U JPS6123776U (en) 1984-07-17 1984-07-17 Automatic contrast limiting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10713284U JPS6123776U (en) 1984-07-17 1984-07-17 Automatic contrast limiting circuit

Publications (1)

Publication Number Publication Date
JPS6123776U true JPS6123776U (en) 1986-02-12

Family

ID=30666394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10713284U Pending JPS6123776U (en) 1984-07-17 1984-07-17 Automatic contrast limiting circuit

Country Status (1)

Country Link
JP (1) JPS6123776U (en)

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