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WO2009066415A1 - スピーカ、映像機器、および携帯型情報処理装置 - Google Patents

スピーカ、映像機器、および携帯型情報処理装置 Download PDF

Info

Publication number
WO2009066415A1
WO2009066415A1 PCT/JP2008/003074 JP2008003074W WO2009066415A1 WO 2009066415 A1 WO2009066415 A1 WO 2009066415A1 JP 2008003074 W JP2008003074 W JP 2008003074W WO 2009066415 A1 WO2009066415 A1 WO 2009066415A1
Authority
WO
WIPO (PCT)
Prior art keywords
diaphragm
speaker
information processing
mobile information
magnetic gap
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.)
Ceased
Application number
PCT/JP2008/003074
Other languages
English (en)
French (fr)
Inventor
Shuji Saiki
Hiroyuki Takewa
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
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to US12/523,201 priority Critical patent/US8542861B2/en
Priority to CN2008800026447A priority patent/CN101584225B/zh
Priority to JP2009542463A priority patent/JP5441710B2/ja
Publication of WO2009066415A1 publication Critical patent/WO2009066415A1/ja
Anticipated expiration legal-status Critical
Priority to US13/927,332 priority patent/US9247349B2/en
Ceased 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
    • H04R9/027—Air gaps using a magnetic fluid
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • 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
    • H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
    • H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/207—Shape aspects of the outer suspension of loudspeaker diaphragms
    • 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
    • H04R7/04—Plane diaphragms
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/24—Tensioning by means acting directly on free portions of diaphragm or cone
    • 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
    • H04R9/022—Cooling arrangements
    • 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
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • 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)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Telephone Set Structure (AREA)
  • Television Receiver Circuits (AREA)

Abstract

　本発明のスピーカは、前後に振動して音を放射する振動板と、振動板の後方に設けられ、振動板側に磁気空隙を有する磁気回路と、振動板に直接的または間接的に接合され、磁気空隙内に配置されるボイスコイルと、磁気空隙内に充填された磁性流体と、振動板の外周部であって互いに異なる位置に設けられて振動板を振動可能に支持し、かつ、断面形状が非直線形状となる複数の第１エッジ片とを備える。
PCT/JP2008/003074 2007-11-20 2008-10-28 スピーカ、映像機器、および携帯型情報処理装置 Ceased WO2009066415A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/523,201 US8542861B2 (en) 2007-11-20 2008-10-28 Loudspeaker, video device, and portable information processing apparatus
CN2008800026447A CN101584225B (zh) 2007-11-20 2008-10-28 扬声器、视频设备、以及便携式信息处理装置
JP2009542463A JP5441710B2 (ja) 2007-11-20 2008-10-28 スピーカ、映像機器、および携帯型情報処理装置
US13/927,332 US9247349B2 (en) 2007-11-20 2013-06-26 Loudspeaker, video device, and portable information processing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007300129 2007-11-20
JP2007-300129 2007-11-20

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/523,201 A-371-Of-International US8542861B2 (en) 2007-11-20 2008-10-28 Loudspeaker, video device, and portable information processing apparatus
US13/927,332 Division US9247349B2 (en) 2007-11-20 2013-06-26 Loudspeaker, video device, and portable information processing apparatus

Publications (1)

Publication Number Publication Date
WO2009066415A1 true WO2009066415A1 (ja) 2009-05-28

Family

ID=40667250

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003074 Ceased WO2009066415A1 (ja) 2007-11-20 2008-10-28 スピーカ、映像機器、および携帯型情報処理装置

Country Status (4)

Country Link
US (2) US8542861B2 (ja)
JP (1) JP5441710B2 (ja)
CN (2) CN103648071B (ja)
WO (1) WO2009066415A1 (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011114688A1 (ja) * 2010-03-18 2011-09-22 パナソニック株式会社 スピーカ、補聴器、イヤホン及び携帯型端末装置
JP2011223559A (ja) * 2010-03-24 2011-11-04 Panasonic Corp スピーカ、および、それを備える電子機器
WO2013114872A1 (ja) 2012-01-30 2013-08-08 パナソニック株式会社 スピーカ、スピーカを備えたインナーイヤーヘッドホンおよび補聴器
WO2013190811A1 (ja) * 2012-06-21 2013-12-27 パナソニック株式会社 スピーカ装置及びスピーカ搭載装置
WO2014097632A1 (ja) * 2012-12-20 2014-06-26 パナソニック株式会社 スピーカ装置、映像音響機器、携帯型情報処理装置、移動体、およびイヤーホン
US9131304B2 (en) 2012-06-20 2015-09-08 Panasonic Intellectual Property Management Co., Ltd. Loudspeaker and equipment including the same
US9432773B2 (en) 2013-12-27 2016-08-30 Panasonic Intellectual Property Management Co., Ltd. Speaker and audio-visual system
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JPWO2011114688A1 (ja) * 2010-03-18 2013-06-27 パナソニック株式会社 スピーカ、補聴器、イヤホン及び携帯型端末装置
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EP2811760A4 (en) * 2012-01-30 2015-07-15 Panasonic Ip Man Co Ltd SPEAKER, INTERIOR EARPHONES WITH SPEAKER AND HEARING DEVICE
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US9131304B2 (en) 2012-06-20 2015-09-08 Panasonic Intellectual Property Management Co., Ltd. Loudspeaker and equipment including the same
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JPWO2014097632A1 (ja) * 2012-12-20 2017-01-12 パナソニックＩｐマネジメント株式会社 スピーカ装置、映像音響機器、携帯型情報処理装置、移動体、およびイヤーホン
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US9247349B2 (en) 2016-01-26
CN101584225B (zh) 2013-11-06
CN103648071A (zh) 2014-03-19
JPWO2009066415A1 (ja) 2011-03-31
US8542861B2 (en) 2013-09-24
US20130294640A1 (en) 2013-11-07
JP5441710B2 (ja) 2014-03-12
CN103648071B (zh) 2018-11-02
US20110044489A1 (en) 2011-02-24
CN101584225A (zh) 2009-11-18

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