JPH0427613U - - Google Patents

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Publication number
JPH0427613U
JPH0427613U JP6900690U JP6900690U JPH0427613U JP H0427613 U JPH0427613 U JP H0427613U JP 6900690 U JP6900690 U JP 6900690U JP 6900690 U JP6900690 U JP 6900690U JP H0427613 U JPH0427613 U JP H0427613U
Authority
JP
Japan
Prior art keywords
circuit
switch circuit
power transistor
closes
opens
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
JP6900690U
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 JP6900690U priority Critical patent/JPH0427613U/ja
Publication of JPH0427613U publication Critical patent/JPH0427613U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第1図はこの考案にかかる保護回路の一実施例
を示す要部の回路図、第2図は第1図に示す保護
回路の他の実施例の回路図、第3図は従来の保護
回路の一具体例を示すブロツクを含む回路図であ
る。 VCC……電源端子、V,V01,V02
03,V04……出力端子、GND……接地端
子、VCC……第2電源ライン、Q01,Q
……パワートランジスタ、S……スタンバイ
回路、SW……スイツチ回路、DOFF……オフ
ドライバ。

Claims (1)

    【実用新案登録請求の範囲】
  1. スタンバイ回路の動作の状態を検知するスイツ
    チ回路と、上記スイツチ回路によつて動作をコン
    トロールされ、パワートランジスタの動作を開閉
    するオフドライバとを具備したことを特徴とする
    保護回路。
JP6900690U 1990-06-28 1990-06-28 Pending JPH0427613U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6900690U JPH0427613U (ja) 1990-06-28 1990-06-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6900690U JPH0427613U (ja) 1990-06-28 1990-06-28

Publications (1)

Publication Number Publication Date
JPH0427613U true JPH0427613U (ja) 1992-03-05

Family

ID=31603940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6900690U Pending JPH0427613U (ja) 1990-06-28 1990-06-28

Country Status (1)

Country Link
JP (1) JPH0427613U (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62104304A (ja) * 1985-10-31 1987-05-14 Fujitsu Ltd 保護回路
JPS63226104A (ja) * 1987-03-16 1988-09-20 Hitachi Ltd 駆動回路
JPH01272307A (ja) * 1988-04-25 1989-10-31 Nec Ic Microcomput Syst Ltd 電力増幅装置
JPH01297908A (ja) * 1988-05-26 1989-12-01 Sony Corp オーディオ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62104304A (ja) * 1985-10-31 1987-05-14 Fujitsu Ltd 保護回路
JPS63226104A (ja) * 1987-03-16 1988-09-20 Hitachi Ltd 駆動回路
JPH01272307A (ja) * 1988-04-25 1989-10-31 Nec Ic Microcomput Syst Ltd 電力増幅装置
JPH01297908A (ja) * 1988-05-26 1989-12-01 Sony Corp オーディオ装置

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