JPS6258973U - - Google Patents

Info

Publication number
JPS6258973U
JPS6258973U JP14907885U JP14907885U JPS6258973U JP S6258973 U JPS6258973 U JP S6258973U JP 14907885 U JP14907885 U JP 14907885U JP 14907885 U JP14907885 U JP 14907885U JP S6258973 U JPS6258973 U JP S6258973U
Authority
JP
Japan
Prior art keywords
circuit
signal
video signal
compares
value
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
JP14907885U
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 JP14907885U priority Critical patent/JPS6258973U/ja
Publication of JPS6258973U publication Critical patent/JPS6258973U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案による衛星放送受信システム全
体の概略のブロツク図、第2図はアンテナポジシ
ヨナーの詳細なブロツク図、第3図は本考案によ
るビデオ信号切換回路のブロツク図、第4図は真
理値の説明図である。17…積分回路、18…比
較回路、19…信号検出回路(排他的オア回路)
、101…第1比較回路、102…第2比較回路
、106…ビデオスイツチ回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. ビデオ信号入力端子に結合された同期信号分離
    回路と、この同期信号分離回路に結合された積分
    回路と、この積分回路の積分値と第1基準値とを
    比較する第1比較回路と、前記積分値と第2基準
    値とを比較する第2比較回路と、前記第1、第2
    比較回路の出力を2入力とし排他的オア回路から
    なる信号検出回路と、この信号検出回路の有無で
    ビデオ信号とキヤラクタ信号とを切換える切換ス
    イツチ回路とからなることを特徴とするテレビジ
    ヨン受信機のビデオ信号切換回路。
JP14907885U 1985-09-30 1985-09-30 Pending JPS6258973U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14907885U JPS6258973U (ja) 1985-09-30 1985-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14907885U JPS6258973U (ja) 1985-09-30 1985-09-30

Publications (1)

Publication Number Publication Date
JPS6258973U true JPS6258973U (ja) 1987-04-11

Family

ID=31063946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14907885U Pending JPS6258973U (ja) 1985-09-30 1985-09-30

Country Status (1)

Country Link
JP (1) JPS6258973U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0288375U (ja) * 1988-12-27 1990-07-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0288375U (ja) * 1988-12-27 1990-07-12

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