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DK126494A - Electrodynamic loudspeaker with fluid suspended movable system - Google Patents

Electrodynamic loudspeaker with fluid suspended movable system

Info

Publication number
DK126494A
DK126494A DK126494A DK126494A DK126494A DK 126494 A DK126494 A DK 126494A DK 126494 A DK126494 A DK 126494A DK 126494 A DK126494 A DK 126494A DK 126494 A DK126494 A DK 126494A
Authority
DK
Denmark
Prior art keywords
movable system
electrodynamic loudspeaker
fluid suspended
suspended movable
fluid
Prior art date
Application number
DK126494A
Other languages
Danish (da)
Other versions
DK171729B1 (en
Inventor
Dan Kristoffersen
Original Assignee
Dan Kristoffersen
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 Dan Kristoffersen filed Critical Dan Kristoffersen
Priority to DK126494A priority Critical patent/DK171729B1/en
Priority to AU38016/95A priority patent/AU3801695A/en
Priority to PCT/DK1995/000429 priority patent/WO1996013960A1/en
Publication of DK126494A publication Critical patent/DK126494A/en
Application granted granted Critical
Publication of DK171729B1 publication Critical patent/DK171729B1/en

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)
DK126494A 1994-11-01 1994-11-01 Electrodynamic loudspeaker with fluid suspended moving system DK171729B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK126494A DK171729B1 (en) 1994-11-01 1994-11-01 Electrodynamic loudspeaker with fluid suspended moving system
AU38016/95A AU3801695A (en) 1994-11-01 1995-10-31 Electrodynamic loudspeaker with fluid-supported moving system
PCT/DK1995/000429 WO1996013960A1 (en) 1994-11-01 1995-10-31 Electrodynamic loudspeaker with fluid-supported moving system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK126494A DK171729B1 (en) 1994-11-01 1994-11-01 Electrodynamic loudspeaker with fluid suspended moving system
DK126494 1994-11-01

Publications (2)

Publication Number Publication Date
DK126494A true DK126494A (en) 1996-05-02
DK171729B1 DK171729B1 (en) 1997-04-14

Family

ID=8102897

Family Applications (1)

Application Number Title Priority Date Filing Date
DK126494A DK171729B1 (en) 1994-11-01 1994-11-01 Electrodynamic loudspeaker with fluid suspended moving system

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114786113A (en) * 2022-04-21 2022-07-22 深圳市冠旭电子股份有限公司 Loudspeaker and loudspeaker equipment

Families Citing this family (13)

* 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
US8942409B2 (en) 2004-06-03 2015-01-27 Tymphany Hk Limited 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
EP3073763B1 (en) * 2014-01-28 2023-06-07 Sony Group Corporation Speaker 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
JP6429685B2 (en) * 2015-03-06 2018-11-28 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114786113A (en) * 2022-04-21 2022-07-22 深圳市冠旭电子股份有限公司 Loudspeaker and loudspeaker equipment

Also Published As

Publication number Publication date
WO1996013960A1 (en) 1996-05-09
AU3801695A (en) 1996-05-23
DK171729B1 (en) 1997-04-14

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

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