WO2010004641A8 - スピーカ装置 - Google Patents

スピーカ装置 Download PDF

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Publication number
WO2010004641A8
WO2010004641A8 PCT/JP2008/062513 JP2008062513W WO2010004641A8 WO 2010004641 A8 WO2010004641 A8 WO 2010004641A8 JP 2008062513 W JP2008062513 W JP 2008062513W WO 2010004641 A8 WO2010004641 A8 WO 2010004641A8
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic pole
speaker device
voice coil
magnetic
diaphragm
Prior art date
Application number
PCT/JP2008/062513
Other languages
English (en)
French (fr)
Other versions
WO2010004641A1 (ja
Inventor
和幹 湯瀬
小林　博之
高山　浩治
古頭　晶彦
晋太郎 新寺
俊博 引地
Original Assignee
パイオニア株式会社
東北パイオニア株式会社
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 パイオニア株式会社, 東北パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP2010519603A priority Critical patent/JP4898958B2/ja
Priority to PCT/JP2008/062513 priority patent/WO2010004641A1/ja
Priority to EP08791061A priority patent/EP2302949A4/en
Priority to CN2008801297605A priority patent/CN102057690A/zh
Priority to US13/002,802 priority patent/US20110116662A1/en
Publication of WO2010004641A1 publication Critical patent/WO2010004641A1/ja
Publication of WO2010004641A8 publication Critical patent/WO2010004641A8/ja

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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H04R9/043—Inner suspension or damper, e.g. spider
    • 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

Abstract

　振動板とボイスコイルが略同位相にて振動することができるスピーカ装置を提供すること、比較的高い音圧で高音質のスピーカ装置を提供すること、高音質で薄型の高音質のスピーカ装置を提供すること。 　スピーカ装置１は、振動板３３の一部にボイスコイル３１を支持した振動体３と、磁石２２を含む第１の磁極部ＭＰ１（プレート２３）と該第１の磁極部ＭＰ１（プレート２３）とは異なる磁極を有する第２の磁極部ＭＰ２（ヨーク２１）とを離間して配置した磁気回路２とを備え、ボイスコイル３１は、第１の磁極部ＭＰ１と第２の磁極部ＭＰ２との間に配置され、振動体３は、ボイスコイル３１に近接して振動板３３の一部または全部に導電部３３５が形成され、導電部３３５が第１の磁極部ＭＰ１と第２の磁極部ＭＰ２との間に配置されている。
PCT/JP2008/062513 2008-07-10 2008-07-10 スピーカ装置 WO2010004641A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2010519603A JP4898958B2 (ja) 2008-07-10 2008-07-10 スピーカ装置
PCT/JP2008/062513 WO2010004641A1 (ja) 2008-07-10 2008-07-10 スピーカ装置
EP08791061A EP2302949A4 (en) 2008-07-10 2008-07-10 Speaker Setup
CN2008801297605A CN102057690A (zh) 2008-07-10 2008-07-10 扬声器装置
US13/002,802 US20110116662A1 (en) 2008-07-10 2008-07-10 Speaker device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/062513 WO2010004641A1 (ja) 2008-07-10 2008-07-10 スピーカ装置

Publications (2)

Publication Number Publication Date
WO2010004641A1 WO2010004641A1 (ja) 2010-01-14
WO2010004641A8 true WO2010004641A8 (ja) 2010-03-11

Family

ID=41506772

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/062513 WO2010004641A1 (ja) 2008-07-10 2008-07-10 スピーカ装置

Country Status (5)

Country Link
US (1) US20110116662A1 (ja)
EP (1) EP2302949A4 (ja)
JP (1) JP4898958B2 (ja)
CN (1) CN102057690A (ja)
WO (1) WO2010004641A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8682020B2 (en) 2011-10-05 2014-03-25 Apple Inc. Speaker magnet thermal management
CN102547537B (zh) * 2012-01-29 2015-07-01 邱向康 一种动圈扬声器的散热装置
CN105025420A (zh) * 2014-04-28 2015-11-04 全艺电子(昆山)有限公司 用于扁平型扬声器的导磁性振动板
JP7302837B2 (ja) * 2017-06-20 2023-07-04 和也 石橋 補助マグネットを含むスピーカー
JP2019054389A (ja) * 2017-09-14 2019-04-04 アルパイン株式会社 スピーカ
CN108600920A (zh) * 2018-01-08 2018-09-28 深圳市韶音科技有限公司 一种骨传导扬声器
CN109413553B (zh) * 2018-11-14 2020-05-26 海菲曼（天津）科技有限公司 一种等磁式扬声器
JP7454459B2 (ja) 2020-07-08 2024-03-22 アルプスアルパイン株式会社 スピーカ

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262406A3 (en) * 1982-06-17 1988-08-31 LARSON, David A. Electro-acoustic transducer with diaphragm and blank therefor
JPS5921198A (ja) * 1982-07-27 1984-02-03 Matsushita Electric Ind Co Ltd スピ−カ
JP3896900B2 (ja) * 2002-05-28 2007-03-22 ソニー株式会社 スピーカ装置
US6996247B2 (en) * 2002-11-05 2006-02-07 Step Technologies, Inc. Push-push multiple magnetic air gap transducer
ATE394894T1 (de) * 2003-08-19 2008-05-15 Matsushita Electric Ind Co Ltd Lautsprecher
JP4473068B2 (ja) * 2003-08-19 2010-06-02 パナソニック株式会社 スピーカ
US7386138B2 (en) * 2004-02-16 2008-06-10 Citizen Electronics Co., Ltd. Multifunction speaker
US7885425B2 (en) * 2005-01-28 2011-02-08 Panasonic Corporation Electrodynamic electroacoustic transducer and electronic device
JP2007081901A (ja) * 2005-09-15 2007-03-29 Foster Electric Co Ltd スピーカ用振動板およびスピーカ
US20070183620A1 (en) * 2006-02-07 2007-08-09 Stiles Enrique M Selectable impedance, constant efficiency electromagnetic transducer
JP4781432B2 (ja) * 2006-07-03 2011-09-28 パイオニア株式会社 スピーカ装置、およびスピーカユニット

Also Published As

Publication number Publication date
JP4898958B2 (ja) 2012-03-21
US20110116662A1 (en) 2011-05-19
EP2302949A1 (en) 2011-03-30
CN102057690A (zh) 2011-05-11
WO2010004641A1 (ja) 2010-01-14
JPWO2010004641A1 (ja) 2011-12-22
EP2302949A4 (en) 2012-10-31

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