JPS5959016U - Audio output circuit protection device - Google Patents

Audio output circuit protection device

Info

Publication number
JPS5959016U
JPS5959016U JP15573182U JP15573182U JPS5959016U JP S5959016 U JPS5959016 U JP S5959016U JP 15573182 U JP15573182 U JP 15573182U JP 15573182 U JP15573182 U JP 15573182U JP S5959016 U JPS5959016 U JP S5959016U
Authority
JP
Japan
Prior art keywords
audio output
output circuit
protection device
circuit
circuit protection
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
JP15573182U
Other languages
Japanese (ja)
Inventor
畠中 俊一
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 JP15573182U priority Critical patent/JPS5959016U/en
Publication of JPS5959016U publication Critical patent/JPS5959016U/en
Pending legal-status Critical Current

Links

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Amplifiers (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) [Summary] 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]

図は本考案の一実施例におけるオーディオ出力回路保護
装置のブロック線図である。 1.4.6・・・入力端子、3,5.7・・・アナログ
スイ、 ツチ、10・・・メイン回路、11・・・出力
端子、12・・・ショート検出回路、13・・・ラッチ
回路。
The figure is a block diagram of an audio output circuit protection device according to an embodiment of the present invention. 1.4.6...Input terminal, 3,5.7...Analog switch, 10...Main circuit, 11...Output terminal, 12...Short detection circuit, 13... latch circuit.

Claims (1)

【実用新案登録請求の範囲】 複数の入力端子を入力セレクタを構成する複数のアナロ
グスイッチを介してオーディオ出力回路に接続し、この
オーディオ出力回路の出力端子にスピーカを接続し、こ
のスピーカのショート状態を検出するショート検出回路
を設け、このショート検出回路の出力をラッチするラッ
チ回路を設け。 このラッチ回路の出力で上記アナログスイッチのオンオ
フを制御し、上記スピーカのショート時に上記アナログ
スイッチをオフ状態に設定したオーディオ出力回路保護
装置。
[Claims for Utility Model Registration] A plurality of input terminals are connected to an audio output circuit via a plurality of analog switches constituting an input selector, a speaker is connected to the output terminal of the audio output circuit, and the speaker is short-circuited. A short detection circuit is provided to detect this, and a latch circuit is provided to latch the output of this short detection circuit. An audio output circuit protection device that controls on/off of the analog switch using the output of the latch circuit, and sets the analog switch to an OFF state when the speaker is short-circuited.
JP15573182U 1982-10-14 1982-10-14 Audio output circuit protection device Pending JPS5959016U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15573182U JPS5959016U (en) 1982-10-14 1982-10-14 Audio output circuit protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15573182U JPS5959016U (en) 1982-10-14 1982-10-14 Audio output circuit protection device

Publications (1)

Publication Number Publication Date
JPS5959016U true JPS5959016U (en) 1984-04-17

Family

ID=30343853

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15573182U Pending JPS5959016U (en) 1982-10-14 1982-10-14 Audio output circuit protection device

Country Status (1)

Country Link
JP (1) JPS5959016U (en)

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