JPS56134807A - Acoustic reproducing device - Google Patents

Acoustic reproducing device

Info

Publication number
JPS56134807A
JPS56134807A JP3719880A JP3719880A JPS56134807A JP S56134807 A JPS56134807 A JP S56134807A JP 3719880 A JP3719880 A JP 3719880A JP 3719880 A JP3719880 A JP 3719880A JP S56134807 A JPS56134807 A JP S56134807A
Authority
JP
Japan
Prior art keywords
input terminal
circuit
gain
amplifying
speaker
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.)
Pending
Application number
JP3719880A
Other languages
English (en)
Inventor
Hideki Sakano
Shigeru Tomidokoro
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP3719880A priority Critical patent/JPS56134807A/ja
Priority to US06/211,187 priority patent/US4387270A/en
Priority to GB8105100A priority patent/GB2072993B/en
Priority to DE3107799A priority patent/DE3107799C2/de
Publication of JPS56134807A publication Critical patent/JPS56134807A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/40—Artificial lines; Networks simulating a line of certain length

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
JP3719880A 1980-03-24 1980-03-24 Acoustic reproducing device Pending JPS56134807A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP3719880A JPS56134807A (en) 1980-03-24 1980-03-24 Acoustic reproducing device
US06/211,187 US4387270A (en) 1980-03-24 1980-11-28 Method of harmonizing the impedances of an audio amplifier and loudspeaker interconnected therewith
GB8105100A GB2072993B (en) 1980-03-24 1981-02-18 Method for setting up an audio amplifier and loudspeaker
DE3107799A DE3107799C2 (de) 1980-03-24 1981-02-28 Verfahren zum Einstellen der Parameter einer Kombination von Audioverstärker und Lautsprecher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3719880A JPS56134807A (en) 1980-03-24 1980-03-24 Acoustic reproducing device

Publications (1)

Publication Number Publication Date
JPS56134807A true JPS56134807A (en) 1981-10-21

Family

ID=12490871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3719880A Pending JPS56134807A (en) 1980-03-24 1980-03-24 Acoustic reproducing device

Country Status (4)

Country Link
US (1) US4387270A (ja)
JP (1) JPS56134807A (ja)
DE (1) DE3107799C2 (ja)
GB (1) GB2072993B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6165700A (ja) * 1984-09-07 1986-04-04 Matsushita Electric Ind Co Ltd 車載用スピ−カ装置

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8401041A (nl) * 1984-04-03 1985-11-01 Philips Nv Elektro-akoestische inrichting.
JP2701279B2 (ja) * 1987-12-28 1998-01-21 ヤマハ株式会社 音響装置
JP2605321B2 (ja) * 1987-12-28 1997-04-30 ヤマハ株式会社 音響装置
EP0344545B1 (en) * 1988-05-31 1995-03-29 Yamaha Corporation Temperature compensation circuit in a negative impedance driving amplifier
JPH0737369Y2 (ja) * 1988-10-17 1995-08-23 ヤマハ株式会社 駆動装置の温度補償回路
JP2884651B2 (ja) * 1989-12-29 1999-04-19 ヤマハ株式会社 音響装置
DE4303360C1 (de) * 1993-02-05 1994-10-27 Dieter Dipl Ing Klein Verfahren zur Verminderung von Qualitätsverlusten
US5537479A (en) * 1994-04-29 1996-07-16 Miller And Kreisel Sound Corp. Dual-driver bass speaker with acoustic reduction of out-of-phase and electronic reduction of in-phase distortion harmonics
US5542001A (en) * 1994-12-06 1996-07-30 Reiffin; Martin Smart amplifier for loudspeaker motional feedback derived from linearization of a nonlinear motion responsive signal
DE19535728A1 (de) * 1995-09-26 1997-03-27 Bernhard Buettner Vorrichtung zur amplituden- und phasenrichtigen Übertragung von analogen Signalen, insbesondere im Bereich der Audiotechnik
DE19714199C1 (de) * 1997-04-07 1998-08-27 Klippel Wolfgang J H Selbstanpassendes Steuerungssystem für Aktuatoren
US7684574B2 (en) * 2003-05-27 2010-03-23 Harman International Industries, Incorporated Reflective loudspeaker array
US7826622B2 (en) * 2003-05-27 2010-11-02 Harman International Industries, Incorporated Constant-beamwidth loudspeaker array
US8015590B2 (en) * 2004-12-30 2011-09-06 Mondo Systems, Inc. Integrated multimedia signal processing system using centralized processing of signals
US7825986B2 (en) * 2004-12-30 2010-11-02 Mondo Systems, Inc. Integrated multimedia signal processing system using centralized processing of signals and other peripheral device
US8880205B2 (en) * 2004-12-30 2014-11-04 Mondo Systems, Inc. Integrated multimedia signal processing system using centralized processing of signals
US7653447B2 (en) * 2004-12-30 2010-01-26 Mondo Systems, Inc. Integrated audio video signal processing system using centralized processing of signals
CN103763659A (zh) * 2013-12-31 2014-04-30 立锜科技股份有限公司 扬声器的驱动讯号的产生装置及方法
GB201712391D0 (en) 2017-08-01 2017-09-13 Turner Michael James Controller for an electromechanical transducer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821473A (en) * 1969-06-20 1974-06-28 J Mullins Sound reproduction system with driven and undriven speakers and motional feedback
US3798374A (en) * 1972-04-03 1974-03-19 Rene Oliveras Sound reproducing system utilizing motional feedback
CA982055A (en) * 1972-09-11 1976-01-20 Toshiyuki Goto Sound reproducing system
SE398287B (sv) * 1976-03-24 1977-12-12 Stahl Karl Erik Forfarande for forbettring av ett elektrodynamiskt hogtalarelements basatergivning, samt anordning for utforande av forfarandet
US4180706A (en) * 1976-04-30 1979-12-25 Bang & Olufsen A/S Loudspeaker motional feedback system
JPS5951771B2 (ja) * 1977-11-04 1984-12-15 ヤマハ株式会社 パワ−アンプ
US4287389A (en) * 1978-10-30 1981-09-01 Gamble George W High-fidelity speaker system
US4276443A (en) * 1979-08-17 1981-06-30 Meyers Stanley T Sound reproducing system utilizing motional feedback and velocity-frequency equalization
US4335274A (en) * 1980-01-11 1982-06-15 Ayers Richard A Sound reproduction system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6165700A (ja) * 1984-09-07 1986-04-04 Matsushita Electric Ind Co Ltd 車載用スピ−カ装置

Also Published As

Publication number Publication date
GB2072993B (en) 1984-02-01
GB2072993A (en) 1981-10-07
DE3107799A1 (de) 1982-02-04
DE3107799C2 (de) 1985-05-30
US4387270A (en) 1983-06-07

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