JPH0197673U - - Google Patents

Info

Publication number
JPH0197673U
JPH0197673U JP19200187U JP19200187U JPH0197673U JP H0197673 U JPH0197673 U JP H0197673U JP 19200187 U JP19200187 U JP 19200187U JP 19200187 U JP19200187 U JP 19200187U JP H0197673 U JPH0197673 U JP H0197673U
Authority
JP
Japan
Prior art keywords
oscillator
horizontal
signal
output
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
JP19200187U
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 JP19200187U priority Critical patent/JPH0197673U/ja
Publication of JPH0197673U publication Critical patent/JPH0197673U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Synchronizing For Television (AREA)
  • Television Signal Processing For Recording (AREA)

Description

【図面の簡単な説明】
第1図は本考案による一実施例を示す構成図、
第2図は従来例を示す構成図である。 2…周波数逓倍器、4…発振器、5…位相比較
回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 テレビ放送受信時とビデオ機器からの再生信号
    入力時とで水平AFCのループ時定数を自動的に
    切り換えるようにした水平同期発振回路において
    、 入力の複合映像信号中から分離された水平同期
    信号を3.58MHzに相当する周波数に逓倍す
    る周波数逓倍器と、 上記入力の複合映像信号中のバースト信号に同
    期発振して色副搬送波を発生する発振器と、 上記周波数逓倍器からの出力と上記発振器から
    の出力との位相差を検出する位相比較回路とを備
    え、 上記位相比較回路の検出出力に応じて上記水平
    同期発振回路のループゲインを可変するようにし
    たことを特徴とする水平同期発振回路。
JP19200187U 1987-12-19 1987-12-19 Pending JPH0197673U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19200187U JPH0197673U (ja) 1987-12-19 1987-12-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19200187U JPH0197673U (ja) 1987-12-19 1987-12-19

Publications (1)

Publication Number Publication Date
JPH0197673U true JPH0197673U (ja) 1989-06-29

Family

ID=31482879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19200187U Pending JPH0197673U (ja) 1987-12-19 1987-12-19

Country Status (1)

Country Link
JP (1) JPH0197673U (ja)

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