JPS625761U - - Google Patents

Info

Publication number
JPS625761U
JPS625761U JP9534785U JP9534785U JPS625761U JP S625761 U JPS625761 U JP S625761U JP 9534785 U JP9534785 U JP 9534785U JP 9534785 U JP9534785 U JP 9534785U JP S625761 U JPS625761 U JP S625761U
Authority
JP
Japan
Prior art keywords
low
pass filter
clamp circuit
video signal
during
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
JP9534785U
Other languages
English (en)
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 filed Critical
Priority to JP9534785U priority Critical patent/JPS625761U/ja
Publication of JPS625761U publication Critical patent/JPS625761U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例を示す回路図、第
２図は第１図の回路の信号波形図、第３図、第４
図は、第１図の回路の等価回路の例を示す図、第
５図は第３図、第４図の回路の周波数特性図、第
６図は従来のクランプ回路を示す図である。 ２６……低域通過フイルタ及び制御回路、２７
，３０，３１，３３……抵抗、２８，２９……コ
ンデンサ、３２……ＦＥＴ、３５……クランプ回
路。

Claims (1)

    【実用新案登録請求の範囲】
  1. クランプ回路の前段に接続された低域通過フイ
    ルタと、この低域通過フイルタを同期期間に同期
    したパルスで制御し、前記低域通過フイルタを前
    記同期期間のみ遮断周波数が低くなり同期信号の
    ノイズを除去し、他の期間は映像信号を通過させ
    るのに充分な遮断周波数に切換える手段を具備し
    たことを特徴とする映像クランプ回路。
JP9534785U 1985-06-24 1985-06-24 Pending JPS625761U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9534785U JPS625761U (ja) 1985-06-24 1985-06-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9534785U JPS625761U (ja) 1985-06-24 1985-06-24

Publications (1)

Publication Number Publication Date
JPS625761U true JPS625761U (ja) 1987-01-14

Family

ID=30959775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9534785U Pending JPS625761U (ja) 1985-06-24 1985-06-24

Country Status (1)

Country Link
JP (1) JPS625761U (ja)

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