DE102008010298A1 - Lautsprechermembran und Lautsprecher mit dieser Membran - Google Patents

Lautsprechermembran und Lautsprecher mit dieser Membran Download PDF

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Publication number
DE102008010298A1
DE102008010298A1 DE102008010298A DE102008010298A DE102008010298A1 DE 102008010298 A1 DE102008010298 A1 DE 102008010298A1 DE 102008010298 A DE102008010298 A DE 102008010298A DE 102008010298 A DE102008010298 A DE 102008010298A DE 102008010298 A1 DE102008010298 A1 DE 102008010298A1
Authority
DE
Germany
Prior art keywords
layer
layer structure
speaker
polyimide
thickness
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.)
Withdrawn
Application number
DE102008010298A
Other languages
German (de)
English (en)
Inventor
Toru Takebe
Kunihiko Tokura
Masaru Uryu
Takahisa Tagami
Emiko Ikeda
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE102008010298A1 publication Critical patent/DE102008010298A1/de
Withdrawn legal-status Critical Current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
    • 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
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
    • 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
    • H04R2307/029—Diaphragms comprising fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE102008010298A 2007-02-21 2008-02-21 Lautsprechermembran und Lautsprecher mit dieser Membran Withdrawn DE102008010298A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-041505 2007-02-21
JP2007041505A JP2008205974A (ja) 2007-02-21 2007-02-21 スピーカ用振動板

Publications (1)

Publication Number Publication Date
DE102008010298A1 true DE102008010298A1 (de) 2008-08-28

Family

ID=39646288

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102008010298A Withdrawn DE102008010298A1 (de) 2007-02-21 2008-02-21 Lautsprechermembran und Lautsprecher mit dieser Membran

Country Status (4)

Country Link
US (1) US8300875B2 (enExample)
JP (1) JP2008205974A (enExample)
CN (1) CN101252793B (enExample)
DE (1) DE102008010298A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009011485U1 (de) 2009-08-26 2009-12-24 Beyerdynamic Gmbh & Co. Kg Schallwandler-Magnetsystem
DE102009038593A1 (de) 2009-08-26 2011-03-03 Beyerdynamic Gmbh & Co. Kg Schallwandler-Magnetsystem
EP3240304A1 (en) 2016-04-26 2017-11-01 Isovolta AG Acoustic membrane

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102118671B (zh) * 2009-12-30 2015-08-12 富准精密工业(深圳)有限公司 音膜
CN101969593A (zh) * 2010-07-07 2011-02-09 瑞声声学科技(深圳)有限公司 振膜
US9332352B2 (en) * 2013-02-25 2016-05-03 Apple Inc. Audio speaker with sandwich-structured composite diaphragm
WO2014135620A1 (en) * 2013-03-08 2014-09-12 Isovolta Ag Multilayer-compound membrane for electroacoustic transducers
EP3593911B1 (en) 2013-10-22 2022-06-08 Resodyn Corporation Air-cooled voice coil actuator
CN205051859U (zh) * 2014-04-29 2016-02-24 楼氏国际采购中心（马来西亚）私人有限公司 声学换能器和用于声学换能器的薄膜
CN203883985U (zh) * 2014-05-26 2014-10-15 歌尔声学股份有限公司 扬声器振膜
EP3244634B1 (en) * 2015-01-09 2020-05-06 Pioneer Corporation Speaker device
GB2538809B (en) * 2015-05-29 2021-08-25 B & W Group Ltd Loudspeaker diaphragm
US10194248B2 (en) * 2016-02-19 2019-01-29 Apple Inc. Speaker with flex circuit acoustic radiator
US20190069092A1 (en) * 2016-02-23 2019-02-28 Innovation Sound Technology Co., Ltd. Speaker diaphragm
CN109691132B (zh) * 2016-09-06 2021-11-16 三菱化学株式会社 一种聚酰亚胺类树脂组合物及成型体
CN107318074B (zh) * 2017-07-28 2023-09-29 歌尔股份有限公司 一种球顶、振动系统以及扬声器
US11297438B2 (en) * 2018-10-19 2022-04-05 Sound Solutions International Co., Ltd. Electrodynamic acoustic transducer having a polygonal membrane with improved compliance
CN111849109B (zh) * 2019-04-24 2022-01-04 歌尔股份有限公司 一种用于微型发声装置的振膜和微型发声装置
CN110948988B (zh) * 2019-11-05 2022-04-01 浙江旗声电子科技股份有限公司 一种扬声器用膜片材料及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002374593A (ja) 2001-06-18 2002-12-26 Pioneer Electronic Corp スピーカ振動板
JP2007041505A (ja) 2005-04-22 2007-02-15 Konica Minolta Business Technologies Inc 画像形成システム及び後処理装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140203A (en) * 1976-05-17 1979-02-20 Matsushita Electric Industrial Co., Ltd. Acoustic diaphragm with polyurethane elastomer coating
JPS5358224A (en) * 1976-11-05 1978-05-26 Matsushita Electric Ind Co Ltd Composite diaphragm for speakers
JPS5794297U (enExample) 1980-11-28 1982-06-10
JPS58188999A (ja) 1982-04-28 1983-11-04 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPH0354476Y2 (enExample) 1986-06-27 1991-12-02
JPS6360743A (ja) * 1986-09-02 1988-03-16 東レ株式会社 軽量複合材料
JPH0174696U (enExample) 1987-11-05 1989-05-19
US5329072A (en) * 1991-05-23 1994-07-12 Yamaha Corporation Acoustic diaphragm
US5259036A (en) * 1991-07-22 1993-11-02 Shure Brothers, Inc. Diaphragm for dynamic microphones and methods of manufacturing the same
JPH05252588A (ja) 1992-03-04 1993-09-28 Dainichi Kasei Kogyo Kk 音響機器用振動板及びその製造方法
DE69725914T2 (de) * 1996-03-11 2004-11-04 Fuji Photo Film Co., Ltd., Minami-Ashigara Bilderzeugungsverfahren und System
JPH1199363A (ja) 1997-07-29 1999-04-13 Pi Gijutsu Kenkyusho:Kk 複合フィルム
JP2000202970A (ja) 1999-01-13 2000-07-25 Pi Gijutsu Kenkyusho:Kk ポリイミド被覆フィルム
JP3720242B2 (ja) * 2000-01-17 2005-11-24 桂子 武藤 プレーナ型ラウドスピーカー
JP4274842B2 (ja) 2002-04-18 2009-06-10 日東電工株式会社 Ｖａモードの液晶表示装置用の光学補償機能付き偏光板、及びそれを用いたｖａモードの液晶表示装置
JP3915600B2 (ja) 2002-05-29 2007-05-16 オンキヨー株式会社 スピーカー振動板
EP1429582B1 (en) * 2002-12-09 2013-01-16 Onkyo Corporation Loudspeaker diaphragm and method for manufacturing the same
JP3873960B2 (ja) * 2003-09-25 2007-01-31 オンキヨー株式会社 スピーカー振動板およびその製造方法
JP2005080098A (ja) * 2003-09-02 2005-03-24 Pioneer Electronic Corp スピーカ用の振動板及びそれを備えたスピーカ
JP2006203728A (ja) * 2005-01-24 2006-08-03 Matsushita Electric Ind Co Ltd スピーカ用ダンパーおよびその製造方法とこれを用いたスピーカおよび電子機器、装置
JP2006295245A (ja) 2005-04-05 2006-10-26 Sony Corp 音響振動板

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002374593A (ja) 2001-06-18 2002-12-26 Pioneer Electronic Corp スピーカ振動板
JP2007041505A (ja) 2005-04-22 2007-02-15 Konica Minolta Business Technologies Inc 画像形成システム及び後処理装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009011485U1 (de) 2009-08-26 2009-12-24 Beyerdynamic Gmbh & Co. Kg Schallwandler-Magnetsystem
DE102009038593A1 (de) 2009-08-26 2011-03-03 Beyerdynamic Gmbh & Co. Kg Schallwandler-Magnetsystem
EP3240304A1 (en) 2016-04-26 2017-11-01 Isovolta AG Acoustic membrane
WO2017186726A1 (en) 2016-04-26 2017-11-02 Isovolta Ag Acoustic membrane

Also Published As

Publication number Publication date
CN101252793B (zh) 2012-09-05
US8300875B2 (en) 2012-10-30
CN101252793A (zh) 2008-08-27
US20080199028A1 (en) 2008-08-21
JP2008205974A (ja) 2008-09-04

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Legal Events

Date Code Title Description
R005 Application deemed withdrawn due to failure to request examination
R005 Application deemed withdrawn due to failure to request examination

Effective date: 20150224