JPS6077117U - protection circuit - Google Patents

protection circuit

Info

Publication number
JPS6077117U
JPS6077117U JP16757583U JP16757583U JPS6077117U JP S6077117 U JPS6077117 U JP S6077117U JP 16757583 U JP16757583 U JP 16757583U JP 16757583 U JP16757583 U JP 16757583U JP S6077117 U JPS6077117 U JP S6077117U
Authority
JP
Japan
Prior art keywords
voltage
circuit
amplification circuit
power supply
output voltage
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.)
Granted
Application number
JP16757583U
Other languages
Japanese (ja)
Other versions
JPH0145152Y2 (en
Inventor
田村　英二郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kenwood KK
Original Assignee
Kenwood KK
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 Kenwood KK filed Critical Kenwood KK
Priority to JP16757583U priority Critical patent/JPS6077117U/en
Publication of JPS6077117U publication Critical patent/JPS6077117U/en
Application granted granted Critical
Publication of JPH0145152Y2 publication Critical patent/JPH0145152Y2/ja
Granted legal-status Critical Current

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  • 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]

第１図は一般的な増幅回路を示すブロック図、第２図乃
至第４図は本考案に係る保護回路を増幅回路に実施した
例を示し、第２図はブロック図、第３図は具体的回路例
、第４図は他の実施例を示すブロック図である。 ＢＬ：低圧側電源、ＢＨ：高圧側電源、ＰＡ：電力増幅
部、ＰＬ：低圧側アンプ、ＰＨ：高圧側アンプ、１：検
出回路、２：クリップ検出部、３：積分器、４：振巾制
御部。Fig. 1 is a block diagram showing a general amplifier circuit, Figs. 2 to 4 show examples in which the protection circuit according to the present invention is implemented in an amplifier circuit, Fig. 2 is a block diagram, and Fig. 3 is a concrete example. FIG. 4 is a block diagram showing another embodiment. BL: Low voltage side power supply, BH: High voltage side power supply, PA: Power amplifier, PL: Low voltage side amplifier, PH: High voltage side amplifier, 1: Detection circuit, 2: Clip detection section, 3: Integrator, 4: Amplitude control section.

Claims (1)

【実用新案登録請求の範囲】 低圧側及び高圧側の元祖の電源回路と、夫々の電源を選
択的に用いる電力増幅回路と、該電力増幅回路の前段に
設けられた電圧増幅回路と、上記二組の電源回路を選択
的に電力増幅回路に接続する制御部とを有する増幅器に
おいて、 上記制御部は電圧増幅回路からの出力電圧を検出し、出
力電圧の飽和が一定時間以上持続したときにだけ信号を
出力するようになっている検出回路と、該検出回路から
の信号によって作動し、いずれの電源回路を使用するか
を選択する分配回路とを具備し、負荷への印加電圧を制
限するように構成されていることを特ｉとする保護回路
。[Scope of Claim for Utility Model Registration] The original power supply circuits on the low-voltage side and the high-voltage side, a power amplification circuit that selectively uses each power supply, a voltage amplification circuit provided in the preceding stage of the power amplification circuit, and the above-mentioned two. In the amplifier, the control section detects the output voltage from the voltage amplification circuit, and detects the output voltage from the voltage amplification circuit, and detects the output voltage only when the output voltage is saturated for a certain period of time or more. It is equipped with a detection circuit configured to output a signal, and a distribution circuit activated by the signal from the detection circuit to select which power supply circuit to use, and configured to limit the voltage applied to the load. A protection circuit characterized in that it is configured as follows.
JP16757583U 1983-10-31 1983-10-31 protection circuit Granted JPS6077117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16757583U JPS6077117U (en) 1983-10-31 1983-10-31 protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16757583U JPS6077117U (en) 1983-10-31 1983-10-31 protection circuit

Publications (2)

Publication Number Publication Date
JPS6077117U true JPS6077117U (en) 1985-05-29
JPH0145152Y2 JPH0145152Y2 (en) 1989-12-27

Family

ID=30366582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16757583U Granted JPS6077117U (en) 1983-10-31 1983-10-31 protection circuit

Country Status (1)

Country Link
JP (1) JPS6077117U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095719U (en) * 1983-12-06 1985-06-29 株式会社ケンウッド amplifier
JP7675960B1 (en) * 2025-03-13 2025-05-13 孝 寺島 Public address system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360146A (en) * 1976-11-10 1978-05-30 Torio Kk Amplifying circuit
JPS5668314U (en) * 1979-10-31 1981-06-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360146A (en) * 1976-11-10 1978-05-30 Torio Kk Amplifying circuit
JPS5668314U (en) * 1979-10-31 1981-06-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095719U (en) * 1983-12-06 1985-06-29 株式会社ケンウッド amplifier
JP7675960B1 (en) * 2025-03-13 2025-05-13 孝 寺島 Public address system

Also Published As

Publication number Publication date
JPH0145152Y2 (en) 1989-12-27

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