JPS6047316U - Amplifier - Google Patents

Amplifier

Info

Publication number
JPS6047316U
JPS6047316U JP14074783U JP14074783U JPS6047316U JP S6047316 U JPS6047316 U JP S6047316U JP 14074783 U JP14074783 U JP 14074783U JP 14074783 U JP14074783 U JP 14074783U JP S6047316 U JPS6047316 U JP S6047316U
Authority
JP
Japan
Prior art keywords
state
amplifier
outputs
separated
output terminal
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
JP14074783U
Other languages
Japanese (ja)
Other versions
JPH0339929Y2 (en
Inventor
高木　次男
司 西野
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 JP14074783U priority Critical patent/JPS6047316U/en
Publication of JPS6047316U publication Critical patent/JPS6047316U/en
Application granted granted Critical
Publication of JPH0339929Y2 publication Critical patent/JPH0339929Y2/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図は本考案による増幅装置の一実施例を示す結線図
、第２図は第１図に示した増幅装置の制御回路を示す結
線図である。 ２．５・・・・・・第１及び第２の増幅器、３・・・・
・・反転増幅器、４，６，７，９・・・・・・選択スイ
ッチ、１２．１８・・・・・・選択制御スイッチ。FIG. 1 is a wiring diagram showing an embodiment of an amplifier according to the present invention, and FIG. 2 is a wiring diagram showing a control circuit of the amplifier shown in FIG. 2.5...first and second amplifiers, 3...
...Inverting amplifier, 4,6,7,9...Selection switch, 12.18...Selection control switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１及び第２の増幅器と、該第１及び第２の増幅器の各
入力端子を共通にして出力同志を同相で結合する第１の
状態と逆相で分離する第２の状態と、上記各入力端子を
分離して出力同志を同相で分離する第３の状態とのいず
れｂ）を選択する選択手段と、少くとも上記第１の増幅
器の出力を第１の外部出力端子に接続するミューティン
グスイッチと、第２の外部出力端子を上記第１の状態に
おいては接地し、上記第２及び第３の状態においては上
記第２の増幅器の出力に接続するように上記選択手段と
連動して切換える切換手段とを具備し、上記切換手段は
上記ミューティングスイッチの開放時に上記第２の外部
出力端子を接地するようにしたことを特徴とする増幅装
置。a first state in which the input terminals of the first and second amplifiers are common and their outputs are coupled in the same phase; and a second state in which the outputs are separated in opposite phase; selection means for selecting either b) of a third state in which the input terminals are separated and the outputs are separated in phase, and muting for connecting at least the output of the first amplifier to the first external output terminal; The switch and the second external output terminal are switched in conjunction with the selection means so as to be grounded in the first state and connected to the output of the second amplifier in the second and third states. switching means, wherein the switching means grounds the second external output terminal when the muting switch is opened.
JP14074783U 1983-09-09 1983-09-09 Amplifier Granted JPS6047316U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14074783U JPS6047316U (en) 1983-09-09 1983-09-09 Amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14074783U JPS6047316U (en) 1983-09-09 1983-09-09 Amplifier

Publications (2)

Publication Number Publication Date
JPS6047316U true JPS6047316U (en) 1985-04-03
JPH0339929Y2 JPH0339929Y2 (en) 1991-08-22

Family

ID=30315018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14074783U Granted JPS6047316U (en) 1983-09-09 1983-09-09 Amplifier

Country Status (1)

Country Link
JP (1) JPS6047316U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006090758A1 (en) * 2005-02-24 2006-08-31 Matsushita Electric Industrial Co., Ltd. A/v amplifier and method for driving the same
EP2202880A1 (en) * 2007-10-23 2010-06-30 Toa Corporation Audio power amplifier
JP2014014195A (en) * 2010-03-04 2014-01-23 Bose Corp Versatile audio power amplifier

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198112U (en) * 1981-06-11 1982-12-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198112U (en) * 1981-06-11 1982-12-16

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006090758A1 (en) * 2005-02-24 2006-08-31 Matsushita Electric Industrial Co., Ltd. A/v amplifier and method for driving the same
JP2006237928A (en) * 2005-02-24 2006-09-07 Matsushita Electric Ind Co Ltd Parallel drive bi-amplifier switching circuit
JP4674474B2 (en) * 2005-02-24 2011-04-20 パナソニック株式会社 Parallel drive bi-amp switching circuit
EP2202880A1 (en) * 2007-10-23 2010-06-30 Toa Corporation Audio power amplifier
EP2202880A4 (en) * 2007-10-23 2012-02-29 Toa Corp Audio power amplifier
JP2014014195A (en) * 2010-03-04 2014-01-23 Bose Corp Versatile audio power amplifier

Also Published As

Publication number Publication date
JPH0339929Y2 (en) 1991-08-22

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