JPH0270577U - - Google Patents

Info

Publication number
JPH0270577U
JPH0270577U JP14841888U JP14841888U JPH0270577U JP H0270577 U JPH0270577 U JP H0270577U JP 14841888 U JP14841888 U JP 14841888U JP 14841888 U JP14841888 U JP 14841888U JP H0270577 U JPH0270577 U JP H0270577U
Authority
JP
Japan
Prior art keywords
video signal
frequency characteristics
frequency
video
correction circuit
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
JP14841888U
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 JP14841888U priority Critical patent/JPH0270577U/ja
Publication of JPH0270577U publication Critical patent/JPH0270577U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)

Description

【図面の簡単な説明】
第1図は本考案のビデオ周波数特性補正回路の
一実施例を示した回路図、第2図は従来のビデオ
周波数特性補正回路の一例を示した回路図である
。 2,3……波形整形回路、4,5,17,18
……トランジスタ、7……抵抗、8,16,20
……コンデンサ、14,15……ダイオード。

Claims (1)

    【実用新案登録請求の範囲】
  1. ビデオ信号を入力してこれを所定の周波数特性
    を有する増幅器にて増幅して出力することによつ
    て、前記ビデオ信号の周波数特性を補正するビデ
    オ周波数特性補正回路において、入力される前記
    ビデオ信号が白色文字表示か黒色文字表示かを検
    出する検出手段と、この検出手段の検出結果に応
    じて前記増幅器の周波数特性を決定する定数値を
    切替える制御を行う周波数補正量切替手段とを具
    備したことを特徴とするビデオ周波数特性補正回
    路。
JP14841888U 1988-11-16 1988-11-16 Pending JPH0270577U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14841888U JPH0270577U (ja) 1988-11-16 1988-11-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14841888U JPH0270577U (ja) 1988-11-16 1988-11-16

Publications (1)

Publication Number Publication Date
JPH0270577U true JPH0270577U (ja) 1990-05-29

Family

ID=31419727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14841888U Pending JPH0270577U (ja) 1988-11-16 1988-11-16

Country Status (1)

Country Link
JP (1) JPH0270577U (ja)

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