JPS597768Y2 - 増幅度切換装置 - Google Patents

増幅度切換装置

Info

Publication number
JPS597768Y2
JPS597768Y2 JP1978107859U JP10785978U JPS597768Y2 JP S597768 Y2 JPS597768 Y2 JP S597768Y2 JP 1978107859 U JP1978107859 U JP 1978107859U JP 10785978 U JP10785978 U JP 10785978U JP S597768 Y2 JPS597768 Y2 JP S597768Y2
Authority
JP
Japan
Prior art keywords
amplifier
switch
power supply
output terminal
output
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.)
Expired
Application number
JP1978107859U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5524882U (en:Method
Inventor
治夫 杉原
Original Assignee
日本コロムビア株式会社
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 日本コロムビア株式会社 filed Critical 日本コロムビア株式会社
Priority to JP1978107859U priority Critical patent/JPS597768Y2/ja
Publication of JPS5524882U publication Critical patent/JPS5524882U/ja
Application granted granted Critical
Publication of JPS597768Y2 publication Critical patent/JPS597768Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
JP1978107859U 1978-08-05 1978-08-05 増幅度切換装置 Expired JPS597768Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978107859U JPS597768Y2 (ja) 1978-08-05 1978-08-05 増幅度切換装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978107859U JPS597768Y2 (ja) 1978-08-05 1978-08-05 増幅度切換装置

Publications (2)

Publication Number Publication Date
JPS5524882U JPS5524882U (en:Method) 1980-02-18
JPS597768Y2 true JPS597768Y2 (ja) 1984-03-09

Family

ID=29052365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978107859U Expired JPS597768Y2 (ja) 1978-08-05 1978-08-05 増幅度切換装置

Country Status (1)

Country Link
JP (1) JPS597768Y2 (en:Method)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522964B2 (en:Method) * 1972-08-29 1980-06-20

Also Published As

Publication number Publication date
JPS5524882U (en:Method) 1980-02-18

Similar Documents

Publication Publication Date Title
KR920011053A (ko) 단일 피이드를 가진 두개의 증폭기를 포함하는 고효율 파워 오디오 증폭기
US4371841A (en) Circuit arrangement for eliminating turn-on and turn-off clicks in an amplifier
US3559072A (en) Electronic shut-off timers
JPS597768Y2 (ja) 増幅度切換装置
JPH0223047B2 (en:Method)
KR880008520A (ko) 필터회로 및 그 변환방법
JPS6149947U (en:Method)
JPH0339929Y2 (en:Method)
JPH045715U (en:Method)
JPS5844718Y2 (ja) スピ−カ切換回路
JPS6010120Y2 (ja) 信号切換装置
DE3278005D1 (en) Dual polarity switchable operational amplifier circuit
KR0178676B1 (ko) 스피커 임피던스 자동 절환회로
US3496474A (en) Time delayed cutoff for radios and the like
JPS6010119Y2 (ja) 信号切換装置
KR940002731Y1 (ko) 헤드폰을 이용한 음향기기의 전원 및 음량조절회로
JPS5912770Y2 (ja) テ−プレコ−ダ−の制御回路
JPS6040732B2 (ja) スイツチング増幅器
JPS6128288Y2 (en:Method)
JPS56107638A (en) Current switch circuit
JPS626724Y2 (en:Method)
JPS56115013A (en) Control device
SU1745456A1 (ru) Устройство управлени источником сварочного тока
JPS6236362Y2 (en:Method)
JPS606985Y2 (ja) リレ−保持回路