JPS6123776U - Automatic contrast limiting circuit - Google Patents
Automatic contrast limiting circuitInfo
- 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
Links
Landscapes
- 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
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)
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.
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) |
-
1984
- 1984-07-17 JP JP10713284U patent/JPS6123776U/en active Pending
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