JPH03111018U - - Google Patents

Info

Publication number
JPH03111018U
JPH03111018U JP1990890U JP1990890U JPH03111018U JP H03111018 U JPH03111018 U JP H03111018U JP 1990890 U JP1990890 U JP 1990890U JP 1990890 U JP1990890 U JP 1990890U JP H03111018 U JPH03111018 U JP H03111018U
Authority
JP
Japan
Prior art keywords
output voltage
comparator
output
vca
amplifier
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
JP1990890U
Other languages
English (en)
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 JP1990890U priority Critical patent/JPH03111018U/ja
Publication of JPH03111018U publication Critical patent/JPH03111018U/ja
Pending legal-status Critical Current

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  • Amplifiers (AREA)

Description

【図面の簡単な説明】
第1図は本考案による音声増幅器の一実施例を
示すブロツク図で、第2図はその特性を説明する
ための図である。 1……入力端子、2……増幅器、3……出力端
子、4……電流検出器、5……比較器、6……基
準電圧器、7……VCA、8……温度検出器、9
……電力増幅器、10……フアンモーター、11
……電源供給端子である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 音声増幅器と電源から該音声増幅器に供給して
    いる電流を検出する電流検出器と、該電流検出器
    からの出力電圧と比較器からの出力電圧とを比較
    する比較器と、温度検出器の出力電圧によつて制
    御する該比較器からの出力電圧を増幅するVCA
    と、該VCAからの出力電圧を増幅する電力増幅
    器と、該電力増幅器の出力でフアンを回転させる
    モーターとを有することを特徴とする音声増幅装
    置。
JP1990890U 1990-02-28 1990-02-28 Pending JPH03111018U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990890U JPH03111018U (ja) 1990-02-28 1990-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990890U JPH03111018U (ja) 1990-02-28 1990-02-28

Publications (1)

Publication Number Publication Date
JPH03111018U true JPH03111018U (ja) 1991-11-14

Family

ID=31523010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990890U Pending JPH03111018U (ja) 1990-02-28 1990-02-28

Country Status (1)

Country Link
JP (1) JPH03111018U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013225743A (ja) * 2012-04-20 2013-10-31 Mitsubishi Electric Corp 投射型表示装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812403A (ja) * 1981-07-15 1983-01-24 Matsushita Electric Ind Co Ltd 放熱装置
JPS623513A (ja) * 1985-06-28 1987-01-09 Matsushita Electric Ind Co Ltd 増幅器の冷却装置駆動回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812403A (ja) * 1981-07-15 1983-01-24 Matsushita Electric Ind Co Ltd 放熱装置
JPS623513A (ja) * 1985-06-28 1987-01-09 Matsushita Electric Ind Co Ltd 増幅器の冷却装置駆動回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013225743A (ja) * 2012-04-20 2013-10-31 Mitsubishi Electric Corp 投射型表示装置

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