DE69425517D1 - Lautsprecher - Google Patents

Lautsprecher

Info

Publication number
DE69425517D1
DE69425517D1 DE69425517T DE69425517T DE69425517D1 DE 69425517 D1 DE69425517 D1 DE 69425517D1 DE 69425517 T DE69425517 T DE 69425517T DE 69425517 T DE69425517 T DE 69425517T DE 69425517 D1 DE69425517 D1 DE 69425517D1
Authority
DE
Germany
Prior art keywords
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.)
Expired - Fee Related
Application number
DE69425517T
Other languages
English (en)
Other versions
DE69425517T2 (de
Inventor
Yoshio Sakamoto
Hiroyuki Kumakura
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.)
Kenwood KK
Original Assignee
Kenwood KK
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 Kenwood KK filed Critical Kenwood KK
Application granted granted Critical
Publication of DE69425517D1 publication Critical patent/DE69425517D1/de
Publication of DE69425517T2 publication Critical patent/DE69425517T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • 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
    • 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
    • H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DE69425517T 1993-02-02 1994-01-31 Lautsprecher Expired - Fee Related DE69425517T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5037489A JPH06233379A (ja) 1993-02-02 1993-02-02 スピーカ

Publications (2)

Publication Number Publication Date
DE69425517D1 true DE69425517D1 (de) 2000-09-21
DE69425517T2 DE69425517T2 (de) 2001-04-26

Family

ID=12498940

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69425517T Expired - Fee Related DE69425517T2 (de) 1993-02-02 1994-01-31 Lautsprecher
DE0613322T Pending DE613322T1 (de) 1993-02-02 1994-01-31 Lautsprecher.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0613322T Pending DE613322T1 (de) 1993-02-02 1994-01-31 Lautsprecher.

Country Status (4)

Country Link
US (1) US5452366A (de)
EP (1) EP0613322B1 (de)
JP (1) JPH06233379A (de)
DE (2) DE69425517T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950024611A (ko) * 1994-01-05 1995-08-21 구쯔자와 겐따로우 자기회로를 구비한 스피커
US5539262A (en) * 1994-08-03 1996-07-23 Aura Systems, Inc. Axially focused radial magnet voice coil actuator
JPH09238395A (ja) * 1996-02-29 1997-09-09 Sony Corp スピーカ装置
US6738490B2 (en) * 2000-01-11 2004-05-18 Eugene P. Brandt Loudspeaker with independent magnetic dampening and excursion control
JP3963173B2 (ja) * 2004-01-06 2007-08-22 ソニー株式会社 スピーカ
JP4463048B2 (ja) * 2004-08-27 2010-05-12 アルパイン株式会社 スピーカー
KR100651766B1 (ko) * 2004-10-18 2006-12-01 김성배 듀얼 마그넷을 구비한 자기회로 및 이를 이용한 스피커와진동발생장치
JP4385981B2 (ja) 2005-03-30 2009-12-16 オンキヨー株式会社 動電型スピーカー
US20060251286A1 (en) * 2005-04-13 2006-11-09 Stiles Enrique M Multi-gap air return motor for electromagnetic transducer
US20070160257A1 (en) * 2005-04-13 2007-07-12 Stiles Enrique M Axial magnet assisted radial magnet air return motor for electromagnetic transducer
US8121337B2 (en) 2008-09-08 2012-02-21 Eugen Nedelcu Free air magnetic circuit and speaker
FR2960738B1 (fr) * 2010-05-28 2015-09-25 Focal Jmlab Haut-parleur acoustique
US10848874B2 (en) * 2018-02-20 2020-11-24 Google Llc Panel audio loudspeaker electromagnetic actuator
US10841704B2 (en) * 2018-04-06 2020-11-17 Google Llc Distributed mode loudspeaker electromagnetic actuator with axially and radially magnetized circuit
US10979801B2 (en) * 2018-08-09 2021-04-13 James J. Fallon Sound production using speaker enclosure with reduced internal pressure
US11245986B2 (en) * 2019-10-24 2022-02-08 Bose Corporation Electro-magnetic motor geometry with radial ring and axial pole magnet
TWM607577U (zh) * 2020-08-26 2021-02-11 虹澤電子有限公司 高動態平衡喇叭

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL111475C (de) * 1958-10-15
CA1063710A (en) * 1976-08-31 1979-10-02 Erazm A. Willy Electromagnetic transducer
JPS5875999A (ja) * 1981-10-31 1983-05-07 Sony Corp スピ−カ
DE3730305C1 (de) * 1987-09-10 1989-03-23 Daimler Benz Ag Lautsprecher
US5142260A (en) * 1991-03-08 1992-08-25 Harman International Industries, Incorporated Transducer motor assembly

Also Published As

Publication number Publication date
DE69425517T2 (de) 2001-04-26
EP0613322B1 (de) 2000-08-16
JPH06233379A (ja) 1994-08-19
US5452366A (en) 1995-09-19
EP0613322A2 (de) 1994-08-31
DE613322T1 (de) 1995-07-13
EP0613322A3 (de) 1994-11-02

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee