DE60203329D1 - Magnetsystem für Lautsprecher - Google Patents

Magnetsystem für Lautsprecher

Info

Publication number
DE60203329D1
DE60203329D1 DE60203329T DE60203329T DE60203329D1 DE 60203329 D1 DE60203329 D1 DE 60203329D1 DE 60203329 T DE60203329 T DE 60203329T DE 60203329 T DE60203329 T DE 60203329T DE 60203329 D1 DE60203329 D1 DE 60203329D1
Authority
DE
Germany
Prior art keywords
magnet
plate
created
gap
aperture
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
DE60203329T
Other languages
English (en)
Other versions
DE60203329T2 (de
Inventor
Paul Cork
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.)
KH Technology Corp
Original Assignee
KH Technology Corp
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 KH Technology Corp filed Critical KH Technology Corp
Application granted granted Critical
Publication of DE60203329D1 publication Critical patent/DE60203329D1/de
Publication of DE60203329T2 publication Critical patent/DE60203329T2/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
    • 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
DE60203329T 2001-01-16 2002-01-15 Magnetsystem für Lautsprecher Expired - Lifetime DE60203329T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0101132A GB2371165B (en) 2001-01-16 2001-01-16 Magnet system for loudspeakers
GB0101132 2001-01-16
US847692 2001-05-02
US09/847,692 US6563932B2 (en) 2001-01-16 2001-05-02 Magnet system for loudspeakers

Publications (2)

Publication Number Publication Date
DE60203329D1 true DE60203329D1 (de) 2005-04-28
DE60203329T2 DE60203329T2 (de) 2006-03-23

Family

ID=9906922

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60203329T Expired - Lifetime DE60203329T2 (de) 2001-01-16 2002-01-15 Magnetsystem für Lautsprecher

Country Status (8)

Country Link
US (1) US6563932B2 (de)
EP (1) EP1223789B1 (de)
AT (1) ATE291824T1 (de)
DE (1) DE60203329T2 (de)
DK (1) DK1223789T3 (de)
ES (1) ES2240579T3 (de)
GB (1) GB2371165B (de)
PT (1) PT1223789E (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2380309B (en) * 2001-08-20 2005-04-06 Richard Wolfe Magnetic device for reduction of electromagnetic interference (EMI) in audio circuitry
JP4463048B2 (ja) * 2004-08-27 2010-05-12 アルパイン株式会社 スピーカー
GB2426884B (en) * 2005-03-02 2008-05-28 Kh Technology Corp Electro-acoustic transducer
GB2423908B (en) * 2005-03-02 2008-04-02 Kh Technology Corp Loudspeaker
US20070025572A1 (en) * 2005-08-01 2007-02-01 Forte James W Loudspeaker
US7706563B2 (en) * 2005-12-19 2010-04-27 Harman International Industries, Incorporated Concentric radial ring motor
US20070297639A1 (en) * 2006-06-21 2007-12-27 Noll Michael A Multiple magnet loudspeaker
KR101078960B1 (ko) * 2007-02-22 2011-11-01 하르만 인터내셔날 인더스트리즈, 인코포레이티드 라우드스피커 자속 집속 시스템
KR101188921B1 (ko) * 2010-03-08 2012-10-08 김동완 복합 스피커 시스템
JP5273315B2 (ja) * 2010-10-13 2013-08-28 パナソニック株式会社 スピーカ用磁気回路およびこれを用いたスピーカ
GB2489995A (en) * 2011-04-15 2012-10-17 Pss Belgium Nv Magnetic circuit for a loudspeaker driver
US20120275638A1 (en) * 2011-04-26 2012-11-01 Tzu-Chung Chang Sandwich-Type Woofer with Two Sound Wave Propagation Directions and a Magnetic-Looped Device Thereof
US10375479B2 (en) 2015-08-04 2019-08-06 Curtis E. Graber Electric motor
US11172308B2 (en) 2015-08-04 2021-11-09 Curtis E. Graber Electric motor
US9668060B2 (en) 2015-08-04 2017-05-30 Curtis E. Graber Transducer
WO2019134162A1 (zh) * 2018-01-08 2019-07-11 深圳市韶音科技有限公司 一种骨传导扬声器
US10951991B2 (en) 2019-02-27 2021-03-16 Paradigm Electronics Inc. Loudspeaker

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5070530A (en) 1987-04-01 1991-12-03 Grodinsky Robert M Electroacoustic transducers with increased magnetic stability for distortion reduction
DE3730305C1 (de) 1987-09-10 1989-03-23 Daimler Benz Ag Lautsprecher
JPH01270497A (ja) * 1988-04-22 1989-10-27 Mitsubishi Electric Corp 磁気漏洩防止形スピーカー
US5548657A (en) 1988-05-09 1996-08-20 Kef Audio (Uk) Limited Compound loudspeaker drive unit
DE4021651C1 (de) 1990-07-07 1991-06-27 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE4225156A1 (de) * 1992-07-30 1994-02-03 Nokia Deutschland Gmbh Magnetsystem für elektroakustische Wandler
JPH06133394A (ja) * 1992-10-20 1994-05-13 Kenwood Corp スピーカの構造
JP3166432B2 (ja) * 1993-07-16 2001-05-14 ソニー株式会社 スピーカ
JP3625233B2 (ja) 1995-12-26 2005-03-02 フオスター電機株式会社 スピーカユニット及びスピーカシステム
DE19604087C2 (de) * 1996-02-06 1999-07-22 Alfred Ziegenberg Permanentmagnetkreise mit Schwingspulenanordnungen und strömungsdynamischer Kühlung für magnetelektrodynamische Koaxialantriebssysteme
US5687248A (en) 1996-05-02 1997-11-11 Industrial Technology Research Institute Light weight and low magnetic leakage loudspeaker
DE19618898A1 (de) * 1996-05-10 1997-11-13 Nokia Deutschland Gmbh Lautsprecher
JPH10322793A (ja) * 1997-05-14 1998-12-04 Sony Corp スピーカ装置

Also Published As

Publication number Publication date
GB2371165A (en) 2002-07-17
DK1223789T3 (da) 2005-08-01
EP1223789A2 (de) 2002-07-17
DE60203329T2 (de) 2006-03-23
ATE291824T1 (de) 2005-04-15
GB0101132D0 (en) 2001-02-28
US6563932B2 (en) 2003-05-13
ES2240579T3 (es) 2005-10-16
EP1223789A3 (de) 2003-08-13
GB2371165B (en) 2004-12-22
EP1223789B1 (de) 2005-03-23
US20020094107A1 (en) 2002-07-18
PT1223789E (pt) 2005-07-29

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Legal Events

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