JPH0238900U - - Google Patents

Info

Publication number
JPH0238900U
JPH0238900U JP1988118059U JP11805988U JPH0238900U JP H0238900 U JPH0238900 U JP H0238900U JP 1988118059 U JP1988118059 U JP 1988118059U JP 11805988 U JP11805988 U JP 11805988U JP H0238900 U JPH0238900 U JP H0238900U
Authority
JP
Japan
Prior art keywords
output
resistor
sum
difference signal
terminals
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
JP1988118059U
Other languages
English (en)
Other versions
JPH0713358Y2 (ja
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 JP1988118059U priority Critical patent/JPH0713358Y2/ja
Priority to US07/330,526 priority patent/US4887045A/en
Priority to EP89303196A priority patent/EP0358295B1/en
Priority to DE68919308T priority patent/DE68919308T2/de
Priority to CA000595944A priority patent/CA1295262C/en
Publication of JPH0238900U publication Critical patent/JPH0238900U/ja
Application granted granted Critical
Publication of JPH0713358Y2 publication Critical patent/JPH0713358Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Amplifiers (AREA)
  • Electronic Switches (AREA)
  • Stereophonic System (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す回路構成図、
第２図は従来の回路構成図、第３図は従来例にお
ける和・差信号の切換スイツチの構成図である。 ＩＣ１，ＩＣ２…オペレーシヨンアンプ、ＳＷ
…メイクスイツチ、Ｒ１〜Ｒ９…抵抗。

Claims (1)

    【実用新案登録請求の範囲】
  1. 音響用再生装置の増幅回路の構成に、２つのオ
    ペレーシヨンアンプおよび１つのスイツチを具備
    する和差信号処理回路において、互のオペレーシ
    ヨンアンプの反転入力端子を抵抗を介して接続し
    、非反転入力端子間に抵抗分割によるアツテネー
    タ回路を挿入すると共に、その両出力端子は２つ
    の抵抗で加算出力されるように構成し、かつ一方
    の抵抗を上記メイクスイツチで短絡するように構
    成してなり、上記メイクスイツチのオン状態で差
    信号が、オフ状態で和信号が出力されるように回
    路の各抵抗値を設定したことを特徴とする和差信
    号処理回路。
JP1988118059U 1988-09-07 1988-09-07 和差信号処理回路 Expired - Lifetime JPH0713358Y2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1988118059U JPH0713358Y2 (ja) 1988-09-07 1988-09-07 和差信号処理回路
US07/330,526 US4887045A (en) 1988-09-07 1989-03-30 Sum/differential signal processing circuit
EP89303196A EP0358295B1 (en) 1988-09-07 1989-03-31 Sum/differential signal processing circuit
DE68919308T DE68919308T2 (de) 1988-09-07 1989-03-31 Summe/Differenzsignal-Behandlungsschaltung.
CA000595944A CA1295262C (en) 1988-09-07 1989-04-06 Sum/differential signal processing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988118059U JPH0713358Y2 (ja) 1988-09-07 1988-09-07 和差信号処理回路

Publications (2)

Publication Number Publication Date
JPH0238900U true JPH0238900U (ja) 1990-03-15
JPH0713358Y2 JPH0713358Y2 (ja) 1995-03-29

Family

ID=14726999

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988118059U Expired - Lifetime JPH0713358Y2 (ja) 1988-09-07 1988-09-07 和差信号処理回路

Country Status (5)

Country Link
US (1) US4887045A (ja)
EP (1) EP0358295B1 (ja)
JP (1) JPH0713358Y2 (ja)
CA (1) CA1295262C (ja)
DE (1) DE68919308T2 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259807B (en) * 1991-09-23 1995-09-06 Crystal Semiconductor Corp Low drift resistor structure
JPH05130699A (ja) * 1991-11-08 1993-05-25 Sony Corp 音声再生装置
US5425106A (en) * 1993-06-25 1995-06-13 Hda Entertainment, Inc. Integrated circuit for audio enhancement system
US6130954A (en) * 1996-01-02 2000-10-10 Carver; Robert W. High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
FR2751828A1 (fr) * 1996-07-24 1998-01-30 Guisto Marc Albert Procede et dispositif de decodage, convertissant un signal d'origine stereophonique en signal surround pour les voies arrieres, destine a la reproduction sonore a effet cinema ou home cinema
CA2263177A1 (en) * 1996-08-12 1998-02-19 Robert W. Carver High back emf, high pressure subwoofer
US6396343B2 (en) * 2000-01-28 2002-05-28 Ngee Ann Polytechnic Low-frequency, high-gain amplifier with high DC-offset voltage tolerance
DE10045721C1 (de) * 2000-09-15 2002-03-07 Infineon Technologies Ag Differentielle Leitungstreiberschaltung
US6359505B1 (en) * 2000-12-19 2002-03-19 Adtran, Inc. Complementary pair-configured telecommunication line driver having synthesized output impedance
US7005919B2 (en) * 2002-06-27 2006-02-28 Broadband Innovations, Inc. Even order distortion elimination in push-pull or differential amplifiers and circuits
US7061317B2 (en) * 2003-06-26 2006-06-13 General Instrument Corporation Even order distortion elimination in push-pull or differential amplifiers and circuits
US7046727B2 (en) * 2004-05-05 2006-05-16 Monolithic Power Systems, Inc. Method and apparatus for self-oscillating differential feedback class-D amplifier
US7091792B2 (en) * 2004-05-20 2006-08-15 Analog Devices, Inc. Methods and apparatus for amplification in a tuner
US7342614B2 (en) * 2004-05-20 2008-03-11 Analog Devices, Inc. Methods and apparatus for tuning signals
JP2014089087A (ja) * 2012-10-30 2014-05-15 Yamaha Corp オフセットキャンセル回路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1279735C2 (de) * 1966-07-14 1969-05-29 Standard Elektrik Lorenz Ag Stromverstaerkende Abtastschaltung fuer Gleichspannungen
JPS5442601B2 (ja) * 1974-04-15 1979-12-15
JPS51144202A (en) * 1975-06-05 1976-12-11 Sony Corp Stereophonic sound reproduction process
US4361811A (en) * 1980-09-29 1982-11-30 Ormond Alfred N Differential amplifier system

Also Published As

Publication number Publication date
JPH0713358Y2 (ja) 1995-03-29
DE68919308D1 (de) 1994-12-15
US4887045A (en) 1989-12-12
EP0358295A3 (en) 1991-09-25
CA1295262C (en) 1992-02-04
DE68919308T2 (de) 1995-06-01
EP0358295B1 (en) 1994-11-09
EP0358295A2 (en) 1990-03-14

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