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AU3801695A - Electrodynamic loudspeaker with fluid-supported moving system - Google Patents

Electrodynamic loudspeaker with fluid-supported moving system

Info

Publication number
AU3801695A
AU3801695A AU38016/95A AU3801695A AU3801695A AU 3801695 A AU3801695 A AU 3801695A AU 38016/95 A AU38016/95 A AU 38016/95A AU 3801695 A AU3801695 A AU 3801695A AU 3801695 A AU3801695 A AU 3801695A
Authority
AU
Australia
Prior art keywords
fluid
moving system
electrodynamic loudspeaker
supported moving
supported
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.)
Abandoned
Application number
AU38016/95A
Inventor
Dan Kristoffersen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU3801695A publication Critical patent/AU3801695A/en
Abandoned 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H04R9/027—Air gaps using a magnetic fluid

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
AU38016/95A 1994-11-01 1995-10-31 Electrodynamic loudspeaker with fluid-supported moving system Abandoned AU3801695A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK126494A DK171729B1 (en) 1994-11-01 1994-11-01 Electrodynamic loudspeaker with fluid suspended moving system
DK1264/94 1994-11-01
PCT/DK1995/000429 WO1996013960A1 (en) 1994-11-01 1995-10-31 Electrodynamic loudspeaker with fluid-supported moving system

Publications (1)

Publication Number Publication Date
AU3801695A true AU3801695A (en) 1996-05-23

Family

ID=8102897

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38016/95A Abandoned AU3801695A (en) 1994-11-01 1995-10-31 Electrodynamic loudspeaker with fluid-supported moving system

Country Status (3)

Country Link
AU (1) AU3801695A (en)
DK (1) DK171729B1 (en)
WO (1) WO1996013960A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19610997B4 (en) 1996-03-21 2006-07-13 Sennheiser Electronic Gmbh & Co. Kg Electrodynamic transducer with magnetic gap sealing and hearing aid
US6868167B2 (en) * 2002-04-11 2005-03-15 Ferrotec Corporation Audio speaker and method for assembling an audio speaker
US6804368B2 (en) * 2002-04-11 2004-10-12 Ferrotec Corporation Micro-speaker and method for assembling a micro-speaker
WO2005122636A1 (en) 2004-06-03 2005-12-22 Tymphany Corporation Magnetic suspension transducer
JP2006005852A (en) * 2004-06-21 2006-01-05 Pioneer Electronic Corp Speaker system
FR2919978B1 (en) * 2007-08-09 2011-04-29 Gilles Milot ELECTRODYNAMIC TRANSDUCER, IN PARTICULAR OF THE SPEAKER TYPE, WITH FERROFLUID SUSPENSION AND ASSOCIATED DEVICES
GB0903033D0 (en) * 2009-02-24 2009-04-08 Ellis Christien Moving coil assemblies
FR2955446B1 (en) * 2010-01-15 2015-06-05 Phl Audio ELECTRODYNAMIC TRANSDUCER WITH DOME AND FLOATING SUSPENSION
CN105850152B (en) 2014-01-28 2019-11-01 索尼公司 speaker equipment
JP6429685B2 (en) * 2015-03-06 2018-11-28 シチズン電子株式会社 Vibration generator and light emitting device
JP2016164946A (en) * 2015-03-06 2016-09-08 シチズン電子株式会社 Vibration generator and light emitting device
CN108093353B (en) * 2017-12-25 2024-05-31 苏州格洛佛精密科技有限公司 Moving iron receiver and assembly method thereof
FR3099677B1 (en) * 2019-07-29 2021-07-09 Devialet Low inertia speaker
CN114786113B (en) * 2022-04-21 2025-12-12 深圳市冠旭电子股份有限公司 A loudspeaker and a sound-emitting device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604888A1 (en) * 1975-02-10 1976-08-19 Ard Anstalt SPEAKER
US4017694A (en) * 1976-02-18 1977-04-12 Essex Group, Inc. Method for making loudspeaker with magnetic fluid enveloping the voice coil
US4235302A (en) * 1977-03-15 1980-11-25 Kenkichi Tsukamoto Loudspeaker
DE3241898A1 (en) * 1982-11-12 1984-07-19 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Electrodynamic transducer

Also Published As

Publication number Publication date
DK171729B1 (en) 1997-04-14
WO1996013960A1 (en) 1996-05-09
DK126494A (en) 1996-05-02

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