JPS5936040U - sound reproduction device - Google Patents

sound reproduction device

Info

Publication number
JPS5936040U
JPS5936040U JP12997882U JP12997882U JPS5936040U JP S5936040 U JPS5936040 U JP S5936040U JP 12997882 U JP12997882 U JP 12997882U JP 12997882 U JP12997882 U JP 12997882U JP S5936040 U JPS5936040 U JP S5936040U
Authority
JP
Japan
Prior art keywords
sound reproduction
reproduction device
absence
input signal
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
JP12997882U
Other languages
Japanese (ja)
Inventor
浩一 三浦
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP12997882U priority Critical patent/JPS5936040U/en
Publication of JPS5936040U publication Critical patent/JPS5936040U/en
Pending legal-status Critical Current

Links

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]

図面は本考案の一実施例を示す回路ブロック図である。 1・・・検出回路、2・・・増幅回路、3・・・電源回
路、a・・・入力端子、b・・・出力端子。
The drawing is a circuit block diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Detection circuit, 2...Amplification circuit, 3...Power supply circuit, a...Input terminal, b...Output terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 増幅回路の前段に入力信号の有無を検知する検出回路を
設け、入力信号が無くなったことを前記検出回路にて検
出し、その検出信号により電源回路を制御して電源を切
る構成とした音響再生装置。
A sound reproduction system in which a detection circuit for detecting the presence or absence of an input signal is provided before an amplifier circuit, the detection circuit detects the absence of an input signal, and the detection signal controls a power supply circuit to turn off the power. Device.
JP12997882U 1982-08-27 1982-08-27 sound reproduction device Pending JPS5936040U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12997882U JPS5936040U (en) 1982-08-27 1982-08-27 sound reproduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12997882U JPS5936040U (en) 1982-08-27 1982-08-27 sound reproduction device

Publications (1)

Publication Number Publication Date
JPS5936040U true JPS5936040U (en) 1984-03-06

Family

ID=30294335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12997882U Pending JPS5936040U (en) 1982-08-27 1982-08-27 sound reproduction device

Country Status (1)

Country Link
JP (1) JPS5936040U (en)

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