CN101919268A - 扬声器用振动板及扬声器装置 - Google Patents

扬声器用振动板及扬声器装置 Download PDF

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Publication number
CN101919268A
CN101919268A CN2008801240791A CN200880124079A CN101919268A CN 101919268 A CN101919268 A CN 101919268A CN 2008801240791 A CN2008801240791 A CN 2008801240791A CN 200880124079 A CN200880124079 A CN 200880124079A CN 101919268 A CN101919268 A CN 101919268A
Authority
CN
China
Prior art keywords
density portion
high density
speaker
diaphragm
oscillating plate
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.)
Pending
Application number
CN2008801240791A
Other languages
English (en)
Chinese (zh)
Inventor
川田一春
佐藤喜浩
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.)
VICTORY CO Ltd
Mogami Denki Corp
Pioneer Corp
Original Assignee
VICTORY CO Ltd
Mogami Denki Corp
Pioneer 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 VICTORY CO Ltd, Mogami Denki Corp, Pioneer Corp filed Critical VICTORY CO Ltd
Publication of CN101919268A publication Critical patent/CN101919268A/zh
Pending legal-status Critical Current

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Classifications

    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CN2008801240791A 2008-01-17 2008-02-29 扬声器用振动板及扬声器装置 Pending CN101919268A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPPCT/JP2008/050549 2008-01-17
PCT/JP2008/050549 WO2009090746A1 (ja) 2008-01-17 2008-01-17 スピーカ用振動板、およびスピーカ装置
PCT/JP2008/053661 WO2009090761A1 (ja) 2008-01-17 2008-02-29 スピーカ用振動板、およびスピーカ装置

Publications (1)

Publication Number Publication Date
CN101919268A true CN101919268A (zh) 2010-12-15

Family

ID=40885156

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008801240791A Pending CN101919268A (zh) 2008-01-17 2008-02-29 扬声器用振动板及扬声器装置

Country Status (3)

Country Link
JP (1) JPWO2009090761A1 (ja)
CN (1) CN101919268A (ja)
WO (2) WO2009090746A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102118672A (zh) * 2011-03-28 2011-07-06 苏州上声电子有限公司 扬声器振动膜片及扬声器
CN102340725A (zh) * 2011-07-28 2012-02-01 苏州上声电子有限公司 扬声器振动膜片及扬声器
WO2014162411A1 (ja) * 2013-04-01 2014-10-09 パイオニア株式会社 スピーカ装置用振動板
GB2534859B (en) * 2015-01-30 2020-06-10 B&W Group Ltd Diaphragm for a loudspeaker drive unit or a microphone
US11289786B2 (en) * 2020-06-03 2022-03-29 Acoustic Metamaterials LLC Metamaterial loudspeaker diaphragm
WO2022217226A1 (en) * 2021-04-06 2022-10-13 Sonos, Inc. Variable stiffness diaphragm for a playback device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002218585A (ja) * 2001-01-18 2002-08-02 Matsushita Electric Ind Co Ltd スピーカ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5895494A (ja) * 1981-12-01 1983-06-07 Matsushita Electric Ind Co Ltd スピーカ用振動板の製造方法
JPS60189199U (ja) * 1984-05-24 1985-12-14 ヤマハ株式会社 電気音響変換器用振動板
JPS63176096A (ja) * 1987-01-16 1988-07-20 Foster Denki Kk スピ−カ用振動板
JPH0681353B2 (ja) * 1987-04-20 1994-10-12 松下電器産業株式会社 スピ−カ用振動板
JPH0690495A (ja) * 1992-09-08 1994-03-29 Matsushita Electric Ind Co Ltd 動電型スピーカ
JP3947321B2 (ja) * 1999-03-04 2007-07-18 パイオニア株式会社 発泡成形体およびその成形方法およびそれによるスピーカ振動板
JP2005295354A (ja) * 2004-04-02 2005-10-20 Pioneer Electronic Corp 振動板、その製造方法、および、スピーカ装置
JP2007043522A (ja) * 2005-08-04 2007-02-15 Pioneer Electronic Corp スピーカー装置用振動板

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002218585A (ja) * 2001-01-18 2002-08-02 Matsushita Electric Ind Co Ltd スピーカ

Also Published As

Publication number Publication date
WO2009090761A1 (ja) 2009-07-23
JPWO2009090761A1 (ja) 2011-05-26
WO2009090746A1 (ja) 2009-07-23

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20101215