WO2009013868A1 - スピーカとそれを用いた電子機器 - Google Patents

スピーカとそれを用いた電子機器 Download PDF

Info

Publication number
WO2009013868A1
WO2009013868A1 PCT/JP2008/001879 JP2008001879W WO2009013868A1 WO 2009013868 A1 WO2009013868 A1 WO 2009013868A1 JP 2008001879 W JP2008001879 W JP 2008001879W WO 2009013868 A1 WO2009013868 A1 WO 2009013868A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnets
poles
speaker
magnetic gap
same
Prior art date
Application number
PCT/JP2008/001879
Other languages
English (en)
French (fr)
Inventor
Takeshi Shimokawatoko
Koji Sano
Kazuki Honda
Mitsukazu Kuze
Shinya Mizone
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to EP08776838A priority Critical patent/EP2173113A4/en
Priority to US12/595,548 priority patent/US20100111334A1/en
Priority to CN200880025680A priority patent/CN101785323A/zh
Publication of WO2009013868A1 publication Critical patent/WO2009013868A1/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
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts
    • 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
    • H04R9/046—Construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; 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
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

　スピーカでは、ボイスコイルを配置する磁気ギャップを介して３つの磁石が配置されている。両側の磁石の磁極は同極が対向するように着磁されている。中央の磁石は両側の磁石の磁極を結ぶ方向と直交する方向に両極が設けられている。振動板の、中央の磁石に対向する位置には孔が設けられている。中央の磁石の、磁気ギャップに面する側面部とボイスコイルとの間には磁性流体が介在している。
PCT/JP2008/001879 2007-07-25 2008-07-14 スピーカとそれを用いた電子機器 WO2009013868A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08776838A EP2173113A4 (en) 2007-07-25 2008-07-14 SPEAKER AND ELECTRONIC DEVICE THEREFOR
US12/595,548 US20100111334A1 (en) 2007-07-25 2008-07-14 Speaker and electronic apparatus using the same
CN200880025680A CN101785323A (zh) 2007-07-25 2008-07-14 扬声器和使用该扬声器的电子设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-192810 2007-07-25
JP2007192810A JP4967892B2 (ja) 2007-07-25 2007-07-25 スピーカとそれを用いた電子機器

Publications (1)

Publication Number Publication Date
WO2009013868A1 true WO2009013868A1 (ja) 2009-01-29

Family

ID=40281130

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001879 WO2009013868A1 (ja) 2007-07-25 2008-07-14 スピーカとそれを用いた電子機器

Country Status (7)

Country Link
US (1) US20100111334A1 (ja)
EP (1) EP2173113A4 (ja)
JP (1) JP4967892B2 (ja)
KR (1) KR20090127379A (ja)
CN (1) CN101785323A (ja)
TW (1) TW200922364A (ja)
WO (1) WO2009013868A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011042436A1 (en) * 2009-10-05 2011-04-14 Pulse Hvt Aps Customized audio/antenna module and method for making the same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103856875B (zh) * 2014-03-12 2017-10-24 美律电子(深圳)有限公司 一种外磁式磁路改良结构
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
CN208353580U (zh) * 2018-06-12 2019-01-08 瑞声科技(新加坡)有限公司 扬声器箱
KR102668405B1 (ko) * 2019-03-15 2024-05-23 삼성디스플레이 주식회사 표시 장치 및 표시 장치의 구동 방법
CN109889959B (zh) * 2019-05-09 2019-07-26 瑞声光电科技(常州)有限公司 发声器件

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0739197U (ja) * 1991-02-01 1995-07-14 三洋電機株式会社 スピーカ
JP2005051283A (ja) 2003-05-30 2005-02-24 Pioneer Electronic Corp スピーカ装置およびその製造方法
JP2007104626A (ja) * 2005-01-28 2007-04-19 Matsushita Electric Ind Co Ltd 動電型電気音響変換器および電子機器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5461677A (en) * 1993-09-16 1995-10-24 Ferrofluidics Corporation Loudspeaker
US6815063B1 (en) * 1996-11-16 2004-11-09 Nanomagnetics, Ltd. Magnetic fluid
CN1943272B (zh) * 2005-01-28 2012-06-27 松下电器产业株式会社 电动电声换能器和电子装置
US7729504B2 (en) * 2006-02-14 2010-06-01 Ferrotec Corporation Ferrofluid centered voice coil speaker
US8160292B2 (en) * 2006-09-29 2012-04-17 Panasonic Corporation Loudspeaker and electronic apparatus using the same
JP2009033281A (ja) * 2007-07-25 2009-02-12 Panasonic Corp スピーカの組立方法とそれを用いた電子機器
JP4967891B2 (ja) * 2007-07-25 2012-07-04 パナソニック株式会社 スピーカとそれを用いた電子機器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0739197U (ja) * 1991-02-01 1995-07-14 三洋電機株式会社 スピーカ
JP2005051283A (ja) 2003-05-30 2005-02-24 Pioneer Electronic Corp スピーカ装置およびその製造方法
JP2007104626A (ja) * 2005-01-28 2007-04-19 Matsushita Electric Ind Co Ltd 動電型電気音響変換器および電子機器

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011042436A1 (en) * 2009-10-05 2011-04-14 Pulse Hvt Aps Customized audio/antenna module and method for making the same
CN102835131A (zh) * 2009-10-05 2012-12-19 共达欧洲研究与发展有限责任公司 定制的音频/天线模块及其制造方法
US8838189B2 (en) 2009-10-05 2014-09-16 Gettop Europe R&D ApS Customized audio/antenna module and method for making the same
CN102835131B (zh) * 2009-10-05 2015-03-18 共达欧洲研究与发展有限责任公司 定制的音频/天线模块及其制造方法

Also Published As

Publication number Publication date
JP2009033280A (ja) 2009-02-12
JP4967892B2 (ja) 2012-07-04
US20100111334A1 (en) 2010-05-06
KR20090127379A (ko) 2009-12-10
CN101785323A (zh) 2010-07-21
EP2173113A4 (en) 2010-07-07
EP2173113A1 (en) 2010-04-07
TW200922364A (en) 2009-05-16

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