ATE282286T1 - Elektroakustischer wandler - Google Patents

Elektroakustischer wandler

Info

Publication number
ATE282286T1
ATE282286T1 AT02709977T AT02709977T ATE282286T1 AT E282286 T1 ATE282286 T1 AT E282286T1 AT 02709977 T AT02709977 T AT 02709977T AT 02709977 T AT02709977 T AT 02709977T AT E282286 T1 ATE282286 T1 AT E282286T1
Authority
AT
Austria
Prior art keywords
magnetic circuit
gap
electroacoustic transducer
diaphragm
coil
Prior art date
Application number
AT02709977T
Other languages
English (en)
Inventor
Kaj Boerge Hansen
Leif Johannsen
Original Assignee
Sonion Horsens As
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 Sonion Horsens As filed Critical Sonion Horsens As
Application granted granted Critical
Publication of ATE282286T1 publication Critical patent/ATE282286T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R9/046—Construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/071—Winding coils of special form
    • H01F2041/0711—Winding saddle or deflection coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306—Fastening or mounting coils or windings on core, casing or other support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/10—Connecting leads to windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/066—Electromagnets with movable winding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/08—Microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Coils Or Transformers For Communication (AREA)
AT02709977T 2001-01-26 2002-01-25 Elektroakustischer wandler ATE282286T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200100138 2001-01-26
PCT/DK2002/000054 WO2002060220A1 (en) 2001-01-26 2002-01-25 An electroacoustic transducer

Publications (1)

Publication Number Publication Date
ATE282286T1 true ATE282286T1 (de) 2004-11-15

Family

ID=8160102

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02709977T ATE282286T1 (de) 2001-01-26 2002-01-25 Elektroakustischer wandler

Country Status (10)

Country Link
US (3) US7062063B2 (de)
EP (3) EP1354496B1 (de)
JP (1) JP4084190B2 (de)
KR (1) KR20030074714A (de)
CN (2) CN1281097C (de)
AT (1) ATE282286T1 (de)
CA (1) CA2435932A1 (de)
DE (1) DE60201885T2 (de)
TW (1) TW510139B (de)
WO (1) WO2002060220A1 (de)

Families Citing this family (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW510139B (en) * 2001-01-26 2002-11-11 Kirk Acoustics As An electroacoustic transducer and a coil and a magnet circuit therefor
KR20040081470A (ko) * 2002-01-25 2004-09-21 소니온 호르젠스 에이/에스 집적된 코일을 구비한 플랙서블 다이어프램
US7367886B2 (en) * 2003-01-16 2008-05-06 Wms Gaming Inc. Gaming system with surround sound
US8085955B2 (en) 2005-03-01 2011-12-27 Todd Henry Electromagnetic lever diaphragm audio transducer
JP4671236B2 (ja) * 2006-05-29 2011-04-13 パイオニア株式会社 スピーカ
US20080063234A1 (en) * 2006-09-07 2008-03-13 Citizen Electronics Co., Ltd. Electroacoustic transducer
JP2008118217A (ja) * 2006-10-31 2008-05-22 Sanyo Electric Co Ltd 電気音響変換装置
JP4845677B2 (ja) 2006-10-31 2011-12-28 三洋電機株式会社 電気音響変換装置
JP2008199116A (ja) * 2007-02-08 2008-08-28 Mitsubishi Electric Engineering Co Ltd 電磁変換器
JP5100546B2 (ja) * 2007-07-30 2012-12-19 パナソニック株式会社 電気音響変換器
US8135163B2 (en) 2007-08-30 2012-03-13 Klipsch Group, Inc. Balanced armature with acoustic low pass filter
TWI387358B (zh) * 2009-04-10 2013-02-21 Merry Electronics Co Ltd 具雙磁迴路之電聲轉換器
KR20110051642A (ko) * 2009-11-10 2011-05-18 주식회사 비에스이 리본형 스피커
KR20110051643A (ko) * 2009-11-10 2011-05-18 주식회사 비에스이 리본형 스피커
JP5392841B2 (ja) * 2009-12-07 2014-01-22 アルパイン株式会社 スピーカ装置
JP5322178B2 (ja) * 2009-12-07 2013-10-23 アルパイン株式会社 スピーカ装置
JP5540921B2 (ja) * 2010-06-17 2014-07-02 ソニー株式会社 音響変換装置
JP5598109B2 (ja) * 2010-06-17 2014-10-01 ソニー株式会社 音響変換装置
US8712084B2 (en) 2010-12-07 2014-04-29 Sonion Nederland Bv Motor assembly
CN105141728B (zh) 2010-12-27 2019-07-30 株式会社精好 移动电话
JP5783352B2 (ja) 2011-02-25 2015-09-24 株式会社ファインウェル 会話システム、会話システム用指輪、携帯電話用指輪、指輪型携帯電話、及び、音声聴取方法
KR101196295B1 (ko) * 2011-04-20 2012-11-06 주식회사 엑셀웨이 다수개의 자기회로가 연속 연결된 평판형 스피커
US9357287B2 (en) 2011-07-07 2016-05-31 Sonion Nederland B.V. Multiple receiver assembly and a method for assembly thereof
TWI660618B (zh) 2012-01-20 2019-05-21 日商精良股份有限公司 mobile phone
EP2645742B1 (de) 2012-03-30 2014-12-03 Oticon A/S Cerumenfilter and Handhabungsgerät für solche Filter
EP3407621B1 (de) 2012-06-29 2021-12-22 FINEWELL Co., Ltd. Stereokopfhörer
DK2723102T3 (da) 2012-10-18 2019-01-02 Sonion Nederland Bv Transducer, høreapparat med transducer og en fremgangsmåde til betjening af transduceren
DK2723098T3 (en) 2012-10-18 2017-03-13 Sonion Nederland Bv Double transducer with common membrane
TWI492641B (zh) * 2012-11-13 2015-07-11 Cotron Corp 振動元件
US9807525B2 (en) 2012-12-21 2017-10-31 Sonion Nederland B.V. RIC assembly with thuras tube
EP2750413B1 (de) 2012-12-28 2017-02-22 Sonion Nederland B.V. Hörgerät
DK2753100T3 (en) 2013-01-07 2016-03-29 Oticon As Hearing aid component with ørevoksfilter
KR101483089B1 (ko) * 2013-04-24 2015-01-19 주식회사 이엠텍 음향변환장치의 서스펜션
US9401575B2 (en) 2013-05-29 2016-07-26 Sonion Nederland Bv Method of assembling a transducer assembly
US9084052B2 (en) * 2013-06-26 2015-07-14 Analog Devices Global Moving coil miniature loudspeaker module
WO2015025829A1 (ja) 2013-08-23 2015-02-26 ローム株式会社 携帯電話
EP2849463B1 (de) 2013-09-16 2018-04-04 Sonion Nederland B.V. Wandler mit Feuchtigkeitstransportelement
WO2015060230A1 (ja) 2013-10-24 2015-04-30 ローム株式会社 腕輪型送受話装置、腕輪型報知装置
DK3550852T3 (en) 2014-02-14 2021-02-01 Sonion Nederland Bv A joiner for a receiver assembly
EP2908559B1 (de) 2014-02-18 2016-10-05 Sonion A/S Verfahren zur Herstellung von Anordnungen für Hörgeräte
DK2914018T3 (en) 2014-02-26 2017-01-30 Sonion Nederland Bv Speaker, luminaire and method
US9432774B2 (en) 2014-04-02 2016-08-30 Sonion Nederland B.V. Transducer with a bent armature
EP2953380A1 (de) 2014-06-04 2015-12-09 Sonion Nederland B.V. Akustische Übersprechkompensation
JP6551919B2 (ja) 2014-08-20 2019-07-31 株式会社ファインウェル 見守りシステム、見守り検知装置および見守り通報装置
KR102110094B1 (ko) 2014-12-18 2020-05-12 파인웰 씨오., 엘티디 자전거 주행용 청취 장치 및 자전거 시스템
US9729974B2 (en) 2014-12-30 2017-08-08 Sonion Nederland B.V. Hybrid receiver module
EP3051841B1 (de) 2015-01-30 2020-10-07 Sonion Nederland B.V. Hörer mit aufgehängter motoranordnung
EP3057339B1 (de) 2015-02-10 2020-09-23 Sonion Nederland B.V. Mikrofonmodul mit gemeinsamer mittlerer toneinlassanordnung
DK3073764T3 (en) 2015-03-25 2021-05-10 Sonion Nederland Bv A hearing aid comprising an insert member
US9980029B2 (en) 2015-03-25 2018-05-22 Sonion Nederland B.V. Receiver-in-canal assembly comprising a diaphragm and a cable connection
US10967521B2 (en) 2015-07-15 2021-04-06 Finewell Co., Ltd. Robot and robot system
DK3133829T3 (da) 2015-08-19 2020-06-22 Sonion Nederland Bv Lydgiverenhed med forbedret frekvensrespons
US10433077B2 (en) 2015-09-02 2019-10-01 Sonion Nederland B.V. Augmented hearing device
JP6551929B2 (ja) 2015-09-16 2019-07-31 株式会社ファインウェル 受話機能を有する腕時計
US9668065B2 (en) 2015-09-18 2017-05-30 Sonion Nederland B.V. Acoustical module with acoustical filter
US10595131B2 (en) 2015-09-21 2020-03-17 Apple Inc. Audio speaker having an electrical path through a magnet assembly
US10560778B2 (en) * 2015-09-29 2020-02-11 Coleridge Design Associates Llc System and method for a loudspeaker with a diaphragm
US10021494B2 (en) 2015-10-14 2018-07-10 Sonion Nederland B.V. Hearing device with vibration sensitive transducer
DK3160157T3 (en) 2015-10-21 2018-12-17 Sonion Nederland Bv Vibration-compensated vibroacoustic device
US10582303B2 (en) 2015-12-04 2020-03-03 Sonion Nederland B.V. Balanced armature receiver with bi-stable balanced armature
EP3185584B1 (de) 2015-12-21 2020-04-22 Sonion Nederland B.V. Receiver-anordnung mit ausgeprägter längsrichtung
KR102108668B1 (ko) 2016-01-19 2020-05-07 파인웰 씨오., 엘티디 펜형 송수화 장치
US9866959B2 (en) 2016-01-25 2018-01-09 Sonion Nederland B.V. Self-biasing output booster amplifier and use thereof
EP3200479A3 (de) 2016-01-28 2017-08-30 Sonion Nederland B.V. Elektrostatischer schallgenerator und anordnung mit elektrostatischem schallgenerator und transformator
DK3232685T3 (en) 2016-04-13 2021-04-19 Sonion Nederland Bv A dome for a personal audio device
US10078097B2 (en) 2016-06-01 2018-09-18 Sonion Nederland B.V. Vibration or acceleration sensor applying squeeze film damping
DK3703389T1 (en) 2016-08-26 2020-11-09 Sonion Nederland Bv Vibration sensor with low-frequency roll-off response curve
EP3293985B1 (de) 2016-09-12 2021-03-24 Sonion Nederland B.V. Hörer mit integrierter membranbewegungserkennung
EP3313097B1 (de) 2016-10-19 2020-08-26 Sonion Nederland B.V. Ohrstöpsel oder -kuppel
US20180145643A1 (en) 2016-11-18 2018-05-24 Sonion Nederland B.V. Circuit for providing a high and a low impedance and a system comprising the circuit
US10327072B2 (en) 2016-11-18 2019-06-18 Sonion Nederland B.V. Phase correcting system and a phase correctable transducer system
EP3324538A1 (de) 2016-11-18 2018-05-23 Sonion Nederland B.V. Messschaltung mit einer verstärkerschaltung
EP3324649A1 (de) 2016-11-18 2018-05-23 Sonion Nederland B.V. Wandler mit hoher empfindlichkeit
DK3337184T3 (en) 2016-12-14 2020-06-02 Sonion Nederland Bv An armature and a transducer comprising the armature
EP3337191B1 (de) 2016-12-16 2021-05-19 Sonion Nederland B.V. Schallerzeugeranordnung
DK3337192T3 (en) 2016-12-16 2021-05-10 Sonion Nederland Bv A receiver assembly
EP3343950A1 (de) * 2016-12-28 2018-07-04 Sonion Nederland B.V. Magnetanordnung
DK3702322T3 (da) 2016-12-30 2026-03-16 Sonion Nederland Bv Mikroelektromekanisk transducer
DK3343956T3 (en) 2016-12-30 2021-05-03 Sonion Nederland Bv A circuit and a receiver comprising the circuit
DK3407626T3 (en) 2017-05-26 2020-07-27 Sonion Nederland Bv A receiver assembly comprising an armature and a diaphragm
DK3407625T3 (en) 2017-05-26 2021-07-12 Sonion Nederland Bv Receiver with venting opening
DK3429231T3 (da) 2017-07-13 2023-04-11 Sonion Nederland Bv Høreanordning indbefattende vibrationsforebyggende indretning
US10820104B2 (en) 2017-08-31 2020-10-27 Sonion Nederland B.V. Diaphragm, a sound generator, a hearing device and a method
EP3451688B1 (de) 2017-09-04 2021-05-26 Sonion Nederland B.V. Schallerzeuger, abschirmung und öffnung
GB201714956D0 (en) 2017-09-18 2017-11-01 Sonova Ag Hearing device with adjustable venting
EP4203497A3 (de) 2017-10-16 2023-11-15 Sonion Nederland B.V. Persönliches hörgerät
EP3471432B1 (de) 2017-10-16 2022-09-14 Sonion Nederland B.V. Klangkanalelement mit einem ventil und ein wandler mit dem klangkanalelement
DK3471437T3 (en) 2017-10-16 2021-02-15 Sonion Nederland Bv A valve, a transducer comprising a valve, a hearing device and a method
EP3567873B1 (de) 2018-02-06 2021-08-18 Sonion Nederland B.V. Verfahren zur steuerung eines akustischen ventils eines hörgerätes
DK3531713T3 (en) 2018-02-26 2023-02-06 Sonion Nederland Bv Miniature Speaker with Acoustical Mass
EP3531720B1 (de) 2018-02-26 2021-09-15 Sonion Nederland B.V. Anordnung aus einem empfänger und einem mikrofon
DK3467457T3 (en) 2018-04-30 2022-10-17 Sonion Nederland Bv Vibrationssensor
EP3579578B1 (de) 2018-06-07 2022-02-23 Sonion Nederland B.V. Miniaturempfänger
US10951169B2 (en) 2018-07-20 2021-03-16 Sonion Nederland B.V. Amplifier comprising two parallel coupled amplifier units
CN108810767B (zh) * 2018-08-03 2020-11-17 瑞声科技(新加坡)有限公司 扬声器及扬声器的制作方法
US11564580B2 (en) 2018-09-19 2023-01-31 Sonion Nederland B.V. Housing comprising a sensor
JP2020053948A (ja) 2018-09-28 2020-04-02 株式会社ファインウェル 聴取装置
EP4300995A3 (de) 2018-12-19 2024-04-03 Sonion Nederland B.V. Miniaturlautsprecher mit mehreren schallhohlräumen
EP3675522A1 (de) 2018-12-28 2020-07-01 Sonion Nederland B.V. Miniaturlautsprecher ohne wesentliche akustische leckage
US11190880B2 (en) 2018-12-28 2021-11-30 Sonion Nederland B.V. Diaphragm assembly, a transducer, a microphone, and a method of manufacture
EP3726855B1 (de) 2019-04-15 2021-09-01 Sonion Nederland B.V. Persönliches hörgerät mit entlüftungskanal und akustischer trennung
US11785392B2 (en) 2019-09-27 2023-10-10 Apple Inc. Dual function transducer
US11070920B2 (en) 2019-09-27 2021-07-20 Apple Inc. Dual function transducer
EP3806494B1 (de) 2019-10-07 2023-12-27 Sonion Nederland B.V. Hörgerät mit einem optischen sensor
CN111050252A (zh) * 2019-12-02 2020-04-21 歌尔股份有限公司 一种用于电子产品的振动发声装置及电子产品

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL33150C (de) * 1930-09-17
US3651283A (en) * 1968-12-18 1972-03-21 Audio Arts Inc Loudspeaker having elongated rectangular moving coil
GB2050755B (en) * 1979-04-10 1983-06-29 Suwa Seikosha Kk Dynamic loudspeaker
JPS56137797A (en) 1980-03-31 1981-10-27 Mitsubishi Electric Corp Electroacoustic transducer
JPS57106298A (en) * 1980-12-23 1982-07-02 Citizen Watch Co Ltd Structure of speaker
US4544805A (en) * 1981-09-25 1985-10-01 Tadashi Sawafuji Plane speaker
JPS62250622A (ja) * 1986-04-23 1987-10-31 Mitsubishi Electric Corp クラ形コイルの製作方法
JP2981360B2 (ja) * 1993-03-30 1999-11-22 株式会社ケンウッド スピーカ構造
DE69535049T2 (de) * 1994-04-25 2007-05-10 Matsushita Electric Industrial Co., Ltd., Kadoma Ausgedehnter Lautsprecher
JP3629777B2 (ja) 1995-11-13 2005-03-16 松下電器産業株式会社 スピーカ
FR2766650A1 (fr) 1997-07-23 1999-01-29 Technofirst Haut-parleur lineaire
DE19757099A1 (de) * 1997-12-20 1999-06-24 Nokia Deutschland Gmbh Kontaktierung für eine Schallwiedergabeanordnung nach dem Biegewellenprinzip
JP4013307B2 (ja) 1998-01-16 2007-11-28 松下電器産業株式会社 スピーカ
TW510139B (en) * 2001-01-26 2002-11-11 Kirk Acoustics As An electroacoustic transducer and a coil and a magnet circuit therefor

Also Published As

Publication number Publication date
EP1354496A1 (de) 2003-10-22
EP1439731A1 (de) 2004-07-21
EP1469700A3 (de) 2008-02-27
JP2004517591A (ja) 2004-06-10
US20050031152A1 (en) 2005-02-10
WO2002060220A1 (en) 2002-08-01
CN1913724B (zh) 2012-03-21
US7062063B2 (en) 2006-06-13
EP1354496B1 (de) 2004-11-10
CN1281097C (zh) 2006-10-18
US20060215873A1 (en) 2006-09-28
US7376240B2 (en) 2008-05-20
CN1489880A (zh) 2004-04-14
CN1913724A (zh) 2007-02-14
EP1469700A2 (de) 2004-10-20
CA2435932A1 (en) 2002-08-01
TW510139B (en) 2002-11-11
DE60201885T2 (de) 2005-11-10
KR20030074714A (ko) 2003-09-19
US20020114214A1 (en) 2002-08-22
JP4084190B2 (ja) 2008-04-30
DE60201885D1 (de) 2004-12-16

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