JPS61195110U - - Google Patents

Info

Publication number
JPS61195110U
JPS61195110U JP5317485U JP5317485U JPS61195110U JP S61195110 U JPS61195110 U JP S61195110U JP 5317485 U JP5317485 U JP 5317485U JP 5317485 U JP5317485 U JP 5317485U JP S61195110 U JPS61195110 U JP S61195110U
Authority
JP
Japan
Prior art keywords
circuit
temperature rise
detects
amplifier circuit
thermal 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
JP5317485U
Other languages
Japanese (ja)
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 JP5317485U priority Critical patent/JPS61195110U/ja
Publication of JPS61195110U publication Critical patent/JPS61195110U/ja
Pending legal-status Critical Current

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Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)

Description

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

第１図は本考案に係る増幅回路の熱保護回路を
示す図、第２図はそのフローチヤートを示す図で
ある。 ２は電子音量調整回路、５は制御回路、６は温
度上昇検出回路。 FIG. 1 is a diagram showing a thermal protection circuit for an amplifier circuit according to the present invention, and FIG. 2 is a diagram showing a flowchart thereof. 2 is an electronic volume adjustment circuit, 5 is a control circuit, and 6 is a temperature rise detection circuit.

Claims (1)

【実用新案登録請求の範囲】 (1) 電子音量調整回路が接続されている増幅回
路の熱保護回路であつて、増幅回路の温度上昇を
検出する温度上昇検出回路と、この温度上昇検出
回路により所定レベルの温度上昇が検出されたと
き前記電子音量調整回路に対して音量抵減指示信
号を出力する制御回路とを有することを特徴とす
る増幅回路の熱保護回路。 (2) 温度上昇検出回路により所定期間継続して
所定レベルの温度上昇が検出されたとき、制御回
路より電子音量調整回路に対して零レベルの音量
設定指示信号が出力される構成としたことを特徴
とする実用新案登録請求の範囲第(1)項記載の増
幅回路の熱保護回路。[Scope of Claim for Utility Model Registration] (1) A thermal protection circuit for an amplifier circuit to which an electronic volume adjustment circuit is connected, which includes a temperature rise detection circuit that detects a temperature rise in the amplifier circuit, and a temperature rise detection circuit that detects a temperature rise in the amplifier circuit. 1. A thermal protection circuit for an amplifier circuit, comprising: a control circuit that outputs a volume reduction instruction signal to the electronic volume adjustment circuit when a temperature rise to a predetermined level is detected. (2) When the temperature rise detection circuit detects a temperature rise of a predetermined level continuously for a predetermined period of time, the control circuit outputs a zero level volume setting instruction signal to the electronic volume adjustment circuit. A thermal protection circuit for an amplifier circuit according to claim (1) of the registered utility model.
JP5317485U 1985-04-10 1985-04-10 Pending JPS61195110U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5317485U JPS61195110U (en) 1985-04-10 1985-04-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5317485U JPS61195110U (en) 1985-04-10 1985-04-10

Publications (1)

Publication Number Publication Date
JPS61195110U true JPS61195110U (en) 1986-12-05

Family

ID=30573789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5317485U Pending JPS61195110U (en) 1985-04-10 1985-04-10

Country Status (1)

Country Link
JP (1) JPS61195110U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007300609A (en) * 2006-04-27 2007-11-15 Harman Becker Automotive Systems Gmbh Method and system for amplifier thermal management
JP2008236621A (en) * 2007-03-23 2008-10-02 Toa Corp Overheat protecting circuit for audio apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812404A (en) * 1981-07-15 1983-01-24 Matsushita Electric Ind Co Ltd Amplifying device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812404A (en) * 1981-07-15 1983-01-24 Matsushita Electric Ind Co Ltd Amplifying device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007300609A (en) * 2006-04-27 2007-11-15 Harman Becker Automotive Systems Gmbh Method and system for amplifier thermal management
JP2008236621A (en) * 2007-03-23 2008-10-02 Toa Corp Overheat protecting circuit for audio apparatus

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