JPS5988978U - power off device - Google Patents

power off device

Info

Publication number
JPS5988978U
JPS5988978U JP1982184785U JP18478582U JPS5988978U JP S5988978 U JPS5988978 U JP S5988978U JP 1982184785 U JP1982184785 U JP 1982184785U JP 18478582 U JP18478582 U JP 18478582U JP S5988978 U JPS5988978 U JP S5988978U
Authority
JP
Japan
Prior art keywords
circuit
signal
channel
detection circuit
search
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
JP1982184785U
Other languages
Japanese (ja)
Inventor
誠一 佐竹
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP1982184785U priority Critical patent/JPS5988978U/en
Publication of JPS5988978U publication Critical patent/JPS5988978U/en
Pending legal-status Critical Current

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  • Television Receiver 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 drawings]

図は本考案の電源オフ装置をテレビジョン受像機に応用
した場合の実施例を示す回路系統図である。 ２・・・チューナ、６・・・同期信号分離回路、７・・
・信号検出回路、８・・・水平偏向回路、９・・・チャ
ンネルサーチ回路、１０・・・選局回路、１１・・・サ
ーチ不能検出回路、１２・・・電源スイッチング回路。The figure is a circuit diagram showing an embodiment in which the power-off device of the present invention is applied to a television receiver. 2... Tuner, 6... Synchronous signal separation circuit, 7...
- Signal detection circuit, 8... Horizontal deflection circuit, 9... Channel search circuit, 10... Channel selection circuit, 11... Search failure detection circuit, 12... Power switching circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 放送信号の有無を検出する信号検出回路と、この信号検
出回路の出力を受け、放送信号が無くなるとチャンネル
サーチを行うように選局回路を制〜　　−御して放送信
号が有る放送チャンネルに切換えるチャンネルサーチ回
路と、前記信号検出回路が放送信号を検出し得なくなっ
た時発生する前記チャンネルサーチ回路のサーチ不能信
号を受けて電源回路の電源をオフするサーチ不能検出回
路と、具備した電源オフ装置。A signal detection circuit detects the presence or absence of a broadcast signal, and receives the output of this signal detection circuit, and controls a channel selection circuit to perform a channel search when there is no broadcast signal, and switches to a broadcast channel that has a broadcast signal. a channel search circuit; a search failure detection circuit that turns off a power supply circuit in response to a search failure signal of the channel search circuit that is generated when the signal detection circuit is unable to detect a broadcast signal; and a power off device comprising: .
JP1982184785U 1982-12-08 1982-12-08 power off device Pending JPS5988978U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982184785U JPS5988978U (en) 1982-12-08 1982-12-08 power off device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982184785U JPS5988978U (en) 1982-12-08 1982-12-08 power off device

Publications (1)

Publication Number Publication Date
JPS5988978U true JPS5988978U (en) 1984-06-16

Family

ID=30399567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982184785U Pending JPS5988978U (en) 1982-12-08 1982-12-08 power off device

Country Status (1)

Country Link
JP (1) JPS5988978U (en)

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