DE60043472D1 - Lautsprecherapparat zur Basswiedergabe - Google Patents

Lautsprecherapparat zur Basswiedergabe

Info

Publication number
DE60043472D1
DE60043472D1 DE60043472T DE60043472T DE60043472D1 DE 60043472 D1 DE60043472 D1 DE 60043472D1 DE 60043472 T DE60043472 T DE 60043472T DE 60043472 T DE60043472 T DE 60043472T DE 60043472 D1 DE60043472 D1 DE 60043472D1
Authority
DE
Germany
Prior art keywords
loudspeaker
bass reproduction
bass
reproduction
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
DE60043472T
Other languages
English (en)
Inventor
Shoji Tanaka
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.)
Panasonic Corp
Original Assignee
Panasonic 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
Priority claimed from JP11785299A external-priority patent/JP3598014B2/ja
Priority claimed from JP33377799A external-priority patent/JP3603704B2/ja
Application filed by Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of DE60043472D1 publication Critical patent/DE60043472D1/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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
DE60043472T 1999-04-26 2000-04-26 Lautsprecherapparat zur Basswiedergabe Expired - Fee Related DE60043472D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11785299A JP3598014B2 (ja) 1999-04-26 1999-04-26 低音再生スピーカ装置
JP33377799A JP3603704B2 (ja) 1999-11-25 1999-11-25 低音再生スピーカ装置

Publications (1)

Publication Number Publication Date
DE60043472D1 true DE60043472D1 (de) 2010-01-21

Family

ID=26455892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60043472T Expired - Fee Related DE60043472D1 (de) 1999-04-26 2000-04-26 Lautsprecherapparat zur Basswiedergabe

Country Status (3)

Country Link
US (1) US6574346B1 (de)
EP (1) EP1049353B1 (de)
DE (1) DE60043472D1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6738490B2 (en) * 2000-01-11 2004-05-18 Eugene P. Brandt Loudspeaker with independent magnetic dampening and excursion control
US6739425B1 (en) * 2000-07-18 2004-05-25 The United States Of America As Represented By The Secretary Of The Air Force Evacuated enclosure mounted acoustic actuator and passive attenuator
US7277554B2 (en) 2001-08-08 2007-10-02 Gn Resound North America Corporation Dynamic range compression using digital frequency warping
FR2829276B1 (fr) * 2001-09-05 2005-10-14 Patrick Lecoq Echappement passif et actif pour la resonance sonore
US20050031134A1 (en) * 2003-08-07 2005-02-10 Tymphany Corporation Position detection of an actuator using infrared light
JP2005151253A (ja) * 2003-11-17 2005-06-09 Sony Corp スピーカ装置
JP3981926B2 (ja) * 2003-11-17 2007-09-26 ソニー株式会社 スピーカ装置
JP3797561B2 (ja) * 2003-11-18 2006-07-19 ソニー株式会社 スピーカ装置
CN1943270B (zh) * 2004-04-05 2012-08-29 松下电器产业株式会社 扬声器装置
KR20070084422A (ko) * 2004-10-21 2007-08-24 코닌클리케 필립스 일렉트로닉스 엔.브이. 라우드스피커 피드백
US7953240B2 (en) * 2005-05-24 2011-05-31 Panasonic Corporation Loudspeaker apparatus
KR100835957B1 (ko) * 2006-12-29 2008-06-09 삼성전자주식회사 음향데이터 출력 시스템 및 그 방법
JP5021741B2 (ja) * 2007-07-18 2012-09-12 パナソニック株式会社 振動装置及び音響システム
KR101003609B1 (ko) * 2008-03-28 2010-12-23 삼성전기주식회사 진동자 및 그 제어방법, 그리고 이를 포함하는 휴대형단말기
CN101662515A (zh) * 2008-08-29 2010-03-03 深圳富泰宏精密工业有限公司 便携式电子装置
US8249292B1 (en) * 2010-01-13 2012-08-21 Eminence Speaker, LLC Mechanically adjustable variable flux speaker
CN102833656A (zh) * 2012-09-03 2012-12-19 何朝阳 一种用于扬声装置的动铁单元
KR101480655B1 (ko) 2013-12-26 2015-01-09 현대자동차주식회사 스피커를 이용한 사용자 인터페이스 장치 및 그 방법
WO2016118874A1 (en) * 2015-01-23 2016-07-28 Knowles Electronics, Llc Piezoelectric speaker driver
CN107117518B (zh) * 2016-02-25 2020-03-03 富士达株式会社 具备开闭装置的电梯
US10295171B2 (en) * 2016-09-23 2019-05-21 Xiamen Eco Lighting Co. Ltd. Lighting apparatus
US10084410B2 (en) 2016-12-15 2018-09-25 Bose Corporation Moving magnet motor and transducer with moving magnet motor
CN107295448A (zh) * 2017-07-27 2017-10-24 维沃移动通信有限公司 一种扬声器及移动终端
CN108533653B (zh) * 2018-04-26 2020-03-31 合肥工业大学 一种能提供稳定负刚度值的负刚度结构
EP3668112A3 (de) * 2018-12-10 2020-07-29 Ask Industries Societa' per Azioni Akustikplattenanordnung mit aufhängungssystem
US20200202660A1 (en) * 2018-12-20 2020-06-25 Everi Games, Inc. Gaming cabinet with haptic feedback device
JP2022526658A (ja) * 2019-04-11 2022-05-25 メイト ホールディング ビー．ブイ． リニアモータ磁石アセンブリ及びラウドスピーカユニット
JP2022149259A (ja) * 2021-03-25 2022-10-06 アルプスアルパイン株式会社 スピーカ
JP2022149524A (ja) 2021-03-25 2022-10-07 アルプスアルパイン株式会社 スピーカ
JP2022149526A (ja) 2021-03-25 2022-10-07 アルプスアルパイン株式会社 スピーカ
JP2023030533A (ja) * 2021-08-23 2023-03-08 アルプスアルパイン株式会社 スピーカ
CN117376785A (zh) * 2022-06-30 2024-01-09 华为技术有限公司 一种扬声器和电子设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810021A (en) 1955-01-05 1957-10-15 Philip J Brownscombe Low frequency loudspeaker
DE3237262C1 (de) * 1982-10-08 1983-10-27 Michael 4000 Düsseldorf Bolz Lautsprecher mit Membrangegenkopplung
NL8301460A (nl) * 1983-04-26 1984-11-16 Philips Nv Elektroakoestische omzettereenheid met verlaagde resonantiefrekwentie.
US4821328A (en) * 1986-10-24 1989-04-11 Stanislaw Drozdowski Sound reproducing system with Hall effect motional feedback
US4860370A (en) * 1988-02-12 1989-08-22 Gregory Grosbard Magnetically suspended acoustical speaker
JPH01258595A (ja) * 1988-04-08 1989-10-16 Shicoh Eng Co Ltd スピーカ

Also Published As

Publication number Publication date
US6574346B1 (en) 2003-06-03
EP1049353A2 (de) 2000-11-02
EP1049353B1 (de) 2009-12-09
EP1049353A3 (de) 2005-01-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee