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FR2892887B1 - Transducteur electrodynamique a dome a suspension ferrofluide - Google Patents

Transducteur electrodynamique a dome a suspension ferrofluide

Info

Publication number
FR2892887B1
FR2892887B1 FR0553330A FR0553330A FR2892887B1 FR 2892887 B1 FR2892887 B1 FR 2892887B1 FR 0553330 A FR0553330 A FR 0553330A FR 0553330 A FR0553330 A FR 0553330A FR 2892887 B1 FR2892887 B1 FR 2892887B1
Authority
FR
France
Prior art keywords
coil
dome
electro
gap
dynamic transducer
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.)
Expired - Lifetime
Application number
FR0553330A
Other languages
English (en)
Other versions
FR2892887A1 (fr
Inventor
Guy Lemarquand
Bernard Richoux
Valerie Lemarquand
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.)
Acoustical Beauty Fr
Original Assignee
Le Mans Universite
University of Maine System
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 Le Mans Universite, University of Maine System filed Critical Le Mans Universite
Priority to FR0553330A priority Critical patent/FR2892887B1/fr
Priority to US12/092,591 priority patent/US8131005B2/en
Priority to EP06831314A priority patent/EP1943876B1/fr
Priority to DE602006020606T priority patent/DE602006020606D1/de
Priority to AT06831314T priority patent/ATE501601T1/de
Priority to PCT/FR2006/051132 priority patent/WO2007051948A1/fr
Publication of FR2892887A1 publication Critical patent/FR2892887A1/fr
Application granted granted Critical
Publication of FR2892887B1 publication Critical patent/FR2892887B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • 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
    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/07—Suspension between moving magnetic core and housing
    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR0553330A 2005-11-03 2005-11-03 Transducteur electrodynamique a dome a suspension ferrofluide Expired - Lifetime FR2892887B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0553330A FR2892887B1 (fr) 2005-11-03 2005-11-03 Transducteur electrodynamique a dome a suspension ferrofluide
US12/092,591 US8131005B2 (en) 2005-11-03 2006-11-02 Electrodynamic transducer including a dome with a ferrofluid suspension
EP06831314A EP1943876B1 (fr) 2005-11-03 2006-11-02 Transducteur electrodynamique a dome a suspension ferrofluide
DE602006020606T DE602006020606D1 (de) 2005-11-03 2006-11-02 Elektrodynamischer wandler mit einer kuppel mit einer eisenfluid-suspension
AT06831314T ATE501601T1 (de) 2005-11-03 2006-11-02 Elektrodynamischer wandler mit einer kuppel mit einer eisenfluid-suspension
PCT/FR2006/051132 WO2007051948A1 (fr) 2005-11-03 2006-11-02 Transducteur electrodynamique a dome a suspension ferrofluide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0553330A FR2892887B1 (fr) 2005-11-03 2005-11-03 Transducteur electrodynamique a dome a suspension ferrofluide

Publications (2)

Publication Number Publication Date
FR2892887A1 FR2892887A1 (fr) 2007-05-04
FR2892887B1 true FR2892887B1 (fr) 2007-12-21

Family

ID=36676058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0553330A Expired - Lifetime FR2892887B1 (fr) 2005-11-03 2005-11-03 Transducteur electrodynamique a dome a suspension ferrofluide

Country Status (6)

Country Link
US (1) US8131005B2 (fr)
EP (1) EP1943876B1 (fr)
AT (1) ATE501601T1 (fr)
DE (1) DE602006020606D1 (fr)
FR (1) FR2892887B1 (fr)
WO (1) WO2007051948A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009012783A2 (fr) * 2007-07-25 2009-01-29 Lars Goller Holding Aps Membrane de haut-parleur d'aigus à cône
FR2919978B1 (fr) 2007-08-09 2011-04-29 Gilles Milot Transducteur electrodynamique, notamment du type haut-parleur, a suspension ferrofluide et dispositifs associes
EP2114086B1 (fr) 2008-04-30 2012-12-26 Renault S.A.S. Ensemble de moteur de transducteur à bobine sans fuites et sans fer
EP2141939B1 (fr) 2008-07-02 2016-11-09 Renault SAS Mandrin pour structure de moteur de transducteur à bobine
GB0903033D0 (en) * 2009-02-24 2009-04-08 Ellis Christien Moving coil assemblies
FR2955445B1 (fr) 2010-01-15 2013-06-07 Phl Audio Transducteur electrodynamique a dome et suspension interne
FR2955446B1 (fr) 2010-01-15 2015-06-05 Phl Audio Transducteur electrodynamique a dome et suspension flottante
FR2955444B1 (fr) * 2010-01-15 2012-08-03 Phl Audio Systeme de haut-parleur coaxial a chambre de compression
EP2628312A4 (fr) * 2010-10-12 2016-08-24 Joseph Y Sahyoun Élément rayonnant acoustique comprenant une combinaison d'un haut-parleur audio et d'un élément rayonnant passif coaxiaux
CN108141668B (zh) 2015-09-14 2024-04-16 翼声有限公司 音频转换器中或与其相关的改进
US11166100B2 (en) 2017-03-15 2021-11-02 Wing Acoustics Limited Bass optimization for audio systems and devices
TW201904310A (zh) 2017-03-22 2019-01-16 紐西蘭商威恩音響有限公司 有關於聲頻轉換器、薄型電子裝置及鉸鏈系統的系統、方法及裝置
FR3067203B1 (fr) * 2017-05-30 2020-03-13 Devialet Haut-parleur electrodynamique a au moins deux joints definissant un logement intermediaire rempli d'air
US10681465B1 (en) * 2019-07-10 2020-06-09 Tymphany Acoustic Technology (Huizhou) Co., Ltd. Coil spring suspension system for loudspeaker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2716063B2 (de) * 1977-04-09 1979-04-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Dynamischer Wandler mit einer Schwingspule in einem mit einer magnetischen Flüssigkeit gefüllten Luftspalt
JPS60259089A (ja) * 1984-06-06 1985-12-21 Yoshiro Nakamatsu スピ−カ装置
US5335287A (en) * 1993-04-06 1994-08-02 Aura, Ltd. Loudspeaker utilizing magnetic liquid suspension of the voice coil
US5490524A (en) * 1995-03-20 1996-02-13 Williams; Terry N. Surgical drape for a laser targeting device used with an x-ray machine
US5894524A (en) * 1995-08-02 1999-04-13 Boston Acoustics, Inc. High power tweeter
DE10207561C1 (de) * 2002-02-22 2003-07-24 Harman Becker Automotive Sys Kalottenlautsprecher

Also Published As

Publication number Publication date
ATE501601T1 (de) 2011-03-15
US20080285788A1 (en) 2008-11-20
FR2892887A1 (fr) 2007-05-04
US8131005B2 (en) 2012-03-06
EP1943876A1 (fr) 2008-07-16
DE602006020606D1 (de) 2011-04-21
EP1943876B1 (fr) 2011-03-09
WO2007051948A1 (fr) 2007-05-10

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