FR2961053B1 - Haut-parleur acoustique - Google Patents

Haut-parleur acoustique

Info

Publication number
FR2961053B1
FR2961053B1 FR1054386A FR1054386A FR2961053B1 FR 2961053 B1 FR2961053 B1 FR 2961053B1 FR 1054386 A FR1054386 A FR 1054386A FR 1054386 A FR1054386 A FR 1054386A FR 2961053 B1 FR2961053 B1 FR 2961053B1
Authority
FR
France
Prior art keywords
acoustic speaker
acoustic
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.)
Active
Application number
FR1054386A
Other languages
English (en)
Other versions
FR2961053A1 (fr
Inventor
Bouchet Arnaud Cazes
Daniel Emonts
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.)
Focal JMLab SAS
Original Assignee
Focal JMLab SAS
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 Focal JMLab SAS filed Critical Focal JMLab SAS
Priority to FR1054386A priority Critical patent/FR2961053B1/fr
Priority to US13/701,307 priority patent/US8917898B2/en
Priority to EP11730722.3A priority patent/EP2577989B1/fr
Priority to PCT/FR2011/000330 priority patent/WO2011151546A1/fr
Publication of FR2961053A1 publication Critical patent/FR2961053A1/fr
Application granted granted Critical
Publication of FR2961053B1 publication Critical patent/FR2961053B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/043—Short circuited voice coils driven by induction
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR1054386A 2010-06-04 2010-06-04 Haut-parleur acoustique Active FR2961053B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1054386A FR2961053B1 (fr) 2010-06-04 2010-06-04 Haut-parleur acoustique
US13/701,307 US8917898B2 (en) 2010-06-04 2011-06-03 Acoustic loudspeaker
EP11730722.3A EP2577989B1 (fr) 2010-06-04 2011-06-03 Haut-parleur acoustique
PCT/FR2011/000330 WO2011151546A1 (fr) 2010-06-04 2011-06-03 Haut-parleur acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1054386A FR2961053B1 (fr) 2010-06-04 2010-06-04 Haut-parleur acoustique

Publications (2)

Publication Number Publication Date
FR2961053A1 FR2961053A1 (fr) 2011-12-09
FR2961053B1 true FR2961053B1 (fr) 2013-04-12

Family

ID=43297165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1054386A Active FR2961053B1 (fr) 2010-06-04 2010-06-04 Haut-parleur acoustique

Country Status (4)

Country Link
US (1) US8917898B2 (fr)
EP (1) EP2577989B1 (fr)
FR (1) FR2961053B1 (fr)
WO (1) WO2011151546A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022147835A (ja) * 2021-03-23 2022-10-06 ヤマハ株式会社 音響／信号変換器

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1935404A (en) * 1931-01-14 1933-11-14 Telefunken Gmbh Oscillating coil for electrodynamic loudspeakers
US3766334A (en) * 1971-11-15 1973-10-16 A Burke Double voice coil loudspeaker
US3838216A (en) * 1972-02-23 1974-09-24 W Watkins Device to effectively eliminate the motion induced back emf in a loudspeaker system in the region of fundamental acoustic resonance
FR2382822B1 (fr) * 1977-03-01 1985-08-30 Seas Fabrikker As Dispositif pour haut-parleur electrodynamique
JPS5476132A (en) * 1977-11-30 1979-06-18 Hitachi Ltd Electro-dynamic type speaker
US4243839A (en) * 1977-12-14 1981-01-06 Matsushita Electric Industrial Co., Ltd. Transducer with flux sensing coils
US4335274A (en) * 1980-01-11 1982-06-15 Ayers Richard A Sound reproduction system
JPS5936689U (ja) * 1982-08-31 1984-03-07 パイオニア株式会社 スピ−カ装置
DE19528904C1 (de) * 1995-08-05 1997-04-10 Michael Weidlich Wandler zur Umwandlung von Wechselströmen in mechanische Bewegungen einer elastisch aufgehängten Masse
US5828767A (en) * 1997-09-22 1998-10-27 Jbl Inc. Inductive braking in a dual coil speaker driver unit
WO1999052325A1 (fr) * 1998-04-03 1999-10-14 Sony Corporation Haut-parleur
JP4122602B2 (ja) * 1998-11-19 2008-07-23 ソニー株式会社 スピーカー装置
JP2000333293A (ja) * 1999-05-19 2000-11-30 Sony Corp スピーカ
FR2799919B1 (fr) * 1999-10-19 2002-10-11 Sagem Actionneur a aimant permanent et bobine electrique d'excitation, notamment haut-parleur de telephone mobile
ATE414394T1 (de) * 2002-01-25 2008-11-15 Sonion Horsens As Flexible membran mit integrierter spule
US20050031151A1 (en) * 2003-04-30 2005-02-10 Louis Melillo Speaker with adjustable voice coil impedance
US7492918B2 (en) * 2004-08-17 2009-02-17 Step Technologies Inc. Audio speaker with graduated voice coil windings
US20060188120A1 (en) * 2005-02-23 2006-08-24 Michael Fisher Multiple active coil speaker
US7940950B2 (en) * 2005-10-03 2011-05-10 Youngtack Shim Electromagnetically-shielded speaker systems and methods
US20070183620A1 (en) * 2006-02-07 2007-08-09 Stiles Enrique M Selectable impedance, constant efficiency electromagnetic transducer
US8761433B2 (en) * 2006-06-12 2014-06-24 Harman International Industries, Incorporated Variable impedance voice coil loudspeaker

Also Published As

Publication number Publication date
EP2577989A1 (fr) 2013-04-10
FR2961053A1 (fr) 2011-12-09
EP2577989B1 (fr) 2014-03-26
US20130148841A1 (en) 2013-06-13
US8917898B2 (en) 2014-12-23
WO2011151546A1 (fr) 2011-12-08

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