JPS58172272U - TV receiver channel switching detection circuit - Google Patents

TV receiver channel switching detection circuit

Info

Publication number
JPS58172272U
JPS58172272U JP7013782U JP7013782U JPS58172272U JP S58172272 U JPS58172272 U JP S58172272U JP 7013782 U JP7013782 U JP 7013782U JP 7013782 U JP7013782 U JP 7013782U JP S58172272 U JPS58172272 U JP S58172272U
Authority
JP
Japan
Prior art keywords
detection circuit
channel switching
receiver channel
switching detection
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
JP7013782U
Other languages
Japanese (ja)
Inventor
潤一 柴田
Original Assignee
パイオニア株式会社
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 by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP7013782U priority Critical patent/JPS58172272U/en
Publication of JPS58172272U publication Critical patent/JPS58172272U/en
Pending legal-status Critical Current

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  • Picture Signal Circuits (AREA)
  • Studio 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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ａは従来の装置の略解図、同図す、　　ｃは同ブ
ロック図、第２図は本考案の一実施例を示すブロック図
、第３図ａ、　ｂ、　　ｃ、　ｄ、　　ｅは同期信号の
波形図、第４図は本考案の応用例を示す説明図、第５図
は本考案の応用例を示すブロック図、第６図は同波形図
、第７図は本考案の他の応用例を示すブロック図、第８
図は同波形図である。 １２・・・映像信号入力部、１３・・・同期分離回路、
１５・・・水平同期信号検波器、１７・工切り換え信号
出力部である。Figure 1a is a schematic illustration of a conventional device, Figure 1c is a block diagram of the same, Figure 2 is a block diagram showing an embodiment of the present invention, Figures 3a, b, c, d, and e are A waveform diagram of the synchronizing signal, FIG. 4 is an explanatory diagram showing an application example of the present invention, FIG. 5 is a block diagram showing an application example of the present invention, FIG. 6 is a waveform diagram of the same, and FIG. Block diagram showing an application example of
The figure shows the same waveform diagram. 12... Video signal input section, 13... Synchronization separation circuit,
15...Horizontal synchronization signal detector, 17. Work switching signal output section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 映像信号から同期信号を分離する同期分離回路と、この
同期分離回路で分離された水平同期信号の水平同期信号
検波器とを具備し、チャンネル切り換え時に前記水平同
期信号の欠落を前記水平同期信号検波器で検出するよう
に構成してなることを特徴とするテレビ受信機のチャン
ネル切り換え検出回路。It is equipped with a synchronization separation circuit that separates a synchronization signal from a video signal, and a horizontal synchronization signal detector for the horizontal synchronization signal separated by this synchronization separation circuit. 1. A channel change detection circuit for a television receiver, characterized in that the circuit is configured to detect the change at the receiver.
JP7013782U 1982-05-14 1982-05-14 TV receiver channel switching detection circuit Pending JPS58172272U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7013782U JPS58172272U (en) 1982-05-14 1982-05-14 TV receiver channel switching detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7013782U JPS58172272U (en) 1982-05-14 1982-05-14 TV receiver channel switching detection circuit

Publications (1)

Publication Number Publication Date
JPS58172272U true JPS58172272U (en) 1983-11-17

Family

ID=30079824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7013782U Pending JPS58172272U (en) 1982-05-14 1982-05-14 TV receiver channel switching detection circuit

Country Status (1)

Country Link
JP (1) JPS58172272U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60130271A (en) * 1983-12-16 1985-07-11 Matsushita Electric Ind Co Ltd Ghost eliminating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60130271A (en) * 1983-12-16 1985-07-11 Matsushita Electric Ind Co Ltd Ghost eliminating device

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