DK251785A - Arrangement til omdannelse af et elektrisk signal til et akustisk signal, eller omvendt, samt ulineaert netvaerk til brug i dette arrangement - Google Patents

Arrangement til omdannelse af et elektrisk signal til et akustisk signal, eller omvendt, samt ulineaert netvaerk til brug i dette arrangement Download PDF

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Publication number
DK251785A
DK251785A DK251785A DK251785A DK251785A DK 251785 A DK251785 A DK 251785A DK 251785 A DK251785 A DK 251785A DK 251785 A DK251785 A DK 251785A DK 251785 A DK251785 A DK 251785A
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DK
Denmark
Prior art keywords
arrangement
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network
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DK251785A
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English (en)
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DK251785D0 (da
Inventor
Adrianus Jozef Maria Kaizer
Gerrit Hendrik Van Leeuwen
Original Assignee
Philips Nv
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.)
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Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of DK251785D0 publication Critical patent/DK251785D0/da
Publication of DK251785A publication Critical patent/DK251785A/da

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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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H04R3/08—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electromagnetic transducers

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Electromagnetism (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
DK251785A 1984-06-08 1985-06-04 Arrangement til omdannelse af et elektrisk signal til et akustisk signal, eller omvendt, samt ulineaert netvaerk til brug i dette arrangement DK251785A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8401823A NL8401823A (nl) 1984-06-08 1984-06-08 Inrichting voor het omzetten van een elektrisch signaal in een akoestisch signaal of omgekeerd en een niet-lineair netwerk, te gebruiken in de inrichting.

Publications (2)

Publication Number Publication Date
DK251785D0 DK251785D0 (da) 1985-06-04
DK251785A true DK251785A (da) 1985-12-09

Family

ID=19844056

Family Applications (1)

Application Number Title Priority Date Filing Date
DK251785A DK251785A (da) 1984-06-08 1985-06-04 Arrangement til omdannelse af et elektrisk signal til et akustisk signal, eller omvendt, samt ulineaert netvaerk til brug i dette arrangement

Country Status (7)

Country Link
US (1) US4709391A (da)
EP (1) EP0168078B1 (da)
JP (1) JPS613597A (da)
AU (1) AU578097B2 (da)
DE (1) DE3581444D1 (da)
DK (1) DK251785A (da)
NL (1) NL8401823A (da)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE451932B (sv) * 1986-02-19 1987-11-02 Ericsson Telefon Ab L M Anordning for att erhalla en hog ljudniva och god ljudatergivning fran en hogtalande telefon
JPS62244596A (ja) * 1986-04-17 1987-10-24 Nippon Steel Corp 被覆ア−ク溶接棒
JP2565472Y2 (ja) * 1991-04-05 1998-03-18 本田技研工業株式会社 ワークの支持機構
DE4111884A1 (de) * 1991-04-09 1992-10-15 Klippel Wolfgang Schaltungsanordnung zur korrektur des linearen und nichtlinearen uebertragungsverhaltens elektroakustischer wandler
FI921817A (fi) * 1992-04-23 1993-10-24 Salon Televisiotehdas Oy Foerfarande och system foer aotergivning av audiofrekvenser
US5680450A (en) * 1995-02-24 1997-10-21 Ericsson Inc. Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones
US5600718A (en) * 1995-02-24 1997-02-04 Ericsson Inc. Apparatus and method for adaptively precompensating for loudspeaker distortions
JP3460034B2 (ja) * 1995-04-03 2003-10-27 富士通株式会社 ブースト型等化回路
AU1367697A (en) * 1996-01-12 1997-08-01 Per Melchior Larsen A method of correcting non-linear transfer behaviour in a loudspeaker
US6408079B1 (en) 1996-10-23 2002-06-18 Matsushita Electric Industrial Co., Ltd. Distortion removal apparatus, method for determining coefficient for the same, and processing speaker system, multi-processor, and amplifier including the same
DE19714199C1 (de) * 1997-04-07 1998-08-27 Klippel Wolfgang J H Selbstanpassendes Steuerungssystem für Aktuatoren
CA2209509A1 (en) * 1997-08-01 1999-02-01 Li Yu Mismatch cancellation for complex bandpass sigma-delta modulators
DE19917584A1 (de) * 1999-04-19 2000-10-26 Siemens Ag Flächenlautsprecher und Verfahren zu dessen Betrieb
US7277538B2 (en) * 2000-10-27 2007-10-02 Tandberg Telecom As Distortion compensation in an acoustic echo canceler
US6683494B2 (en) 2001-03-26 2004-01-27 Harman International Industries, Incorporated Digital signal processor enhanced pulse width modulation amplifier
US6526149B1 (en) 2001-06-28 2003-02-25 Earthworks, Inc. System and method for reducing non linear electrical distortion in an electroacoustic device
DE10134927C1 (de) * 2001-07-18 2003-01-30 Spl Electronics Gmbh Filterschaltung und Verfahren zur Verarbeitung eines Audiosignals
CA2408045A1 (en) * 2001-10-16 2003-04-16 Audio Products International Corp. Loudspeaker with large displacement motional feedback
EP1475996B1 (en) * 2003-05-06 2009-04-08 Harman Becker Automotive Systems GmbH Stereo audio-signal processing system
US7826625B2 (en) * 2004-12-21 2010-11-02 Ntt Docomo, Inc. Method and apparatus for frame-based loudspeaker equalization
DE102005020318B4 (de) 2005-05-02 2007-02-22 Infineon Technologies Ag Verfahren zum Ermitteln eines Modells für ein elektrisches Netzwerk und Verwendung des Verfahrens
EP1722360B1 (en) * 2005-05-13 2014-03-19 Harman Becker Automotive Systems GmbH Audio enhancement system and method
EP1799013B1 (en) * 2005-12-14 2010-02-17 Harman/Becker Automotive Systems GmbH Method and system for predicting the behavior of a transducer
EP2575375B1 (en) 2011-09-28 2015-03-18 Nxp B.V. Control of a loudspeaker output
DE102012020271A1 (de) 2012-10-17 2014-04-17 Wolfgang Klippel Anordnung und Verfahren zur Steuerung von Wandlern
DE102013012811B4 (de) 2013-08-01 2024-02-22 Wolfgang Klippel Anordnung und Verfahren zur Identifikation und Korrektur der nichtlinearen Eigenschaften elektromagnetischer Wandler

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988541A (en) * 1975-01-14 1976-10-26 Iowa State University Research Foundation, Inc. Method and apparatus for frequency compensation of electro-mechanical transducer
GB1542264A (en) * 1975-04-24 1979-03-14 Acoustic Res Int Loudspeaker systems
US4052560A (en) * 1976-06-03 1977-10-04 John Bryant Santmann Loudspeaker distortion reduction systems
JPS6035877B2 (ja) * 1979-05-18 1985-08-16 松下電器産業株式会社 スピ−カの歪み補正回路
US4340778A (en) * 1979-11-13 1982-07-20 Bennett Sound Corporation Speaker distortion compensator
US4458362A (en) * 1982-05-13 1984-07-03 Teledyne Industries, Inc. Automatic time domain equalization of audio signals

Also Published As

Publication number Publication date
EP0168078A1 (en) 1986-01-15
AU4335685A (en) 1985-12-12
US4709391A (en) 1987-11-24
AU578097B2 (en) 1988-10-13
DK251785D0 (da) 1985-06-04
NL8401823A (nl) 1986-01-02
DE3581444D1 (de) 1991-02-28
EP0168078B1 (en) 1991-01-23
JPS613597A (ja) 1986-01-09

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Legal Events

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AHB Application shelved due to non-payment