EP1474952A1 - Elektrodynamischer schwingspulenantrieb, insbesondere für einen lautsprecher, lautsprecher und angepasstes polstück - Google Patents

Elektrodynamischer schwingspulenantrieb, insbesondere für einen lautsprecher, lautsprecher und angepasstes polstück

Info

Publication number
EP1474952A1
EP1474952A1 EP03717399A EP03717399A EP1474952A1 EP 1474952 A1 EP1474952 A1 EP 1474952A1 EP 03717399 A EP03717399 A EP 03717399A EP 03717399 A EP03717399 A EP 03717399A EP 1474952 A1 EP1474952 A1 EP 1474952A1
Authority
EP
European Patent Office
Prior art keywords
pole piece
air gap
magnet
coil
anterior
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.)
Granted
Application number
EP03717399A
Other languages
English (en)
French (fr)
Other versions
EP1474952B1 (de
Inventor
Gilles Milot
François MALBOS
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman International SNC
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 Harman International SNC filed Critical Harman International SNC
Publication of EP1474952A1 publication Critical patent/EP1474952A1/de
Application granted granted Critical
Publication of EP1474952B1 publication Critical patent/EP1474952B1/de
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
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
EP03717399A 2002-02-13 2003-02-13 Elektrodynamischer schwingspulenantrieb, insbesondere für einen lautsprecher, lautsprecher und angepasstes polstück Expired - Lifetime EP1474952B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0201782A FR2836000B1 (fr) 2002-02-13 2002-02-13 Moteur electrodynamique a bobine mobile notamment pour haut-parleur, haut-parleur et piece polaire adaptee
FR0201782 2002-02-13
PCT/FR2003/000470 WO2003069953A1 (fr) 2002-02-13 2003-02-13 Moteur electrodynamique a bobine mobile notamment pour haut-parleur, haut-parleur et piece polaire adaptee

Publications (2)

Publication Number Publication Date
EP1474952A1 true EP1474952A1 (de) 2004-11-10
EP1474952B1 EP1474952B1 (de) 2008-08-20

Family

ID=27620168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03717399A Expired - Lifetime EP1474952B1 (de) 2002-02-13 2003-02-13 Elektrodynamischer schwingspulenantrieb, insbesondere für einen lautsprecher, lautsprecher und angepasstes polstück

Country Status (7)

Country Link
US (1) US7283642B2 (de)
EP (1) EP1474952B1 (de)
AT (1) ATE406072T1 (de)
AU (1) AU2003222377A1 (de)
DE (1) DE60323054D1 (de)
FR (1) FR2836000B1 (de)
WO (1) WO2003069953A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013137362A1 (ja) * 2012-03-14 2013-09-19 パイオニア株式会社 スピーカ用振動板、スピーカ用振動板の製造方法
US9282410B2 (en) * 2013-07-25 2016-03-08 Definitive Technology, Llc Transducer motor structure with enhanced flux
EP2833648B1 (de) 2013-08-01 2016-04-27 Harman International Industries, Inc. Elektrodynamischer Lautsprecher mit leitenden Elementen
KR102185410B1 (ko) 2014-06-13 2020-12-01 삼성전자주식회사 스피커 유닛
FR3024574B1 (fr) * 2014-07-31 2017-10-27 Continental Automotive France Dispositif de communication par couplage magnetique
US10820110B2 (en) 2015-12-08 2020-10-27 Jabil Inc. Apparatus, system and method for automated speaker assembly
WO2019122942A1 (en) * 2017-12-20 2019-06-27 The Hong Kong University Of Science And Technology Binary spatial sound modulator for adaptive wavefield shaping
US10681466B2 (en) 2018-04-06 2020-06-09 Alpine Electronics, Inc. Loudspeaker with dual plate structure
US10694279B1 (en) 2018-12-21 2020-06-23 Alpine Electronics, Inc. Compact coaxial loudspeaker

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234212B2 (de) * 1971-12-17 1977-09-02
JPS4868217A (de) * 1971-12-17 1973-09-18
JPS56120109A (en) * 1980-02-26 1981-09-21 Koji Sakai Magnetic circuit
JPS5728563A (en) * 1980-07-23 1982-02-16 Koji Sakai Electromagnetic driving system and electromagnetic generating system
JPS61137496A (ja) * 1984-12-07 1986-06-25 Matsushita Electric Ind Co Ltd スピ−カ
US5357587A (en) * 1992-12-23 1994-10-18 Grodinsky Robert M Distortion reduction in loudspeakers
GB9916926D0 (en) * 1999-07-20 1999-09-22 New Transducers Ltd Magnet assembly
US7039213B2 (en) * 2002-01-16 2006-05-02 Hyre David E Speaker driver
JP3946047B2 (ja) * 2002-01-21 2007-07-18 アルパイン株式会社 スピーカの磁気回路

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03069953A1 *

Also Published As

Publication number Publication date
US20050226457A1 (en) 2005-10-13
FR2836000A1 (fr) 2003-08-15
US7283642B2 (en) 2007-10-16
ATE406072T1 (de) 2008-09-15
DE60323054D1 (de) 2008-10-02
FR2836000B1 (fr) 2004-05-28
WO2003069953A1 (fr) 2003-08-21
AU2003222377A1 (en) 2003-09-04
EP1474952B1 (de) 2008-08-20

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