JPS59166551U - Muting circuit - Google Patents

Muting circuit

Info

Publication number
JPS59166551U
JPS59166551U JP1983061276U JP6127683U JPS59166551U JP S59166551 U JPS59166551 U JP S59166551U JP 1983061276 U JP1983061276 U JP 1983061276U JP 6127683 U JP6127683 U JP 6127683U JP S59166551 U JPS59166551 U JP S59166551U
Authority
JP
Japan
Prior art keywords
muting
muting circuit
added
base
audio signal
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
JP1983061276U
Other languages
Japanese (ja)
Other versions
JPH0238539Y2 (en
Inventor
竹沢　広
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP1983061276U priority Critical patent/JPS59166551U/en
Publication of JPS59166551U publication Critical patent/JPS59166551U/en
Application granted granted Critical
Publication of JPH0238539Y2 publication Critical patent/JPH0238539Y2/ja
Granted legal-status Critical Current

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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 the drawing]

第１図は従来のミューティング回路図、第２図は本考案
のミューティング回路図である。 ５・・・マイクロホン、６・・・初段のトランジスタ、
７・・・次段のトランジスタ、１２．１３・・・ミュー
ティングスイッチ、１７・・・積分回路。FIG. 1 is a conventional muting circuit diagram, and FIG. 2 is a muting circuit diagram of the present invention. 5...Microphone, 6...First stage transistor,
7... Next stage transistor, 12.13... Muting switch, 17... Integrating circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 音声信号発生回路よりの音声信号を初段のトランジスタ
のベースに加え、増幅された信号をコレクタより取出し
次段のトランジスタのベースに加え、さらに増幅を行う
ものにおいて、前記初段のトランジスタのベースに抵抗
とコンデンサーよりなる積分回路を介して該トランジス
タを逆バイアスするミューティング信号を印加すること
を特徴としたミューティング回路。The audio signal from the audio signal generation circuit is added to the base of the first stage transistor, the amplified signal is taken out from the collector and added to the base of the next stage transistor, and further amplified. A muting circuit characterized in that a muting signal that reverse biases the transistor is applied via an integrating circuit made of a capacitor.
JP1983061276U 1983-04-22 1983-04-22 Muting circuit Granted JPS59166551U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983061276U JPS59166551U (en) 1983-04-22 1983-04-22 Muting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983061276U JPS59166551U (en) 1983-04-22 1983-04-22 Muting circuit

Publications (2)

Publication Number Publication Date
JPS59166551U true JPS59166551U (en) 1984-11-08
JPH0238539Y2 JPH0238539Y2 (en) 1990-10-17

Family

ID=30191489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983061276U Granted JPS59166551U (en) 1983-04-22 1983-04-22 Muting circuit

Country Status (1)

Country Link
JP (1) JPS59166551U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247375U (en) * 1975-09-30 1977-04-04
JPS55162414U (en) * 1979-05-09 1980-11-21
JPS568306U (en) * 1979-06-29 1981-01-24

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341275A (en) * 1976-09-27 1978-04-14 Hitachi Ltd Power detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247375U (en) * 1975-09-30 1977-04-04
JPS55162414U (en) * 1979-05-09 1980-11-21
JPS568306U (en) * 1979-06-29 1981-01-24

Also Published As

Publication number Publication date
JPH0238539Y2 (en) 1990-10-17

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