WO2009011102A1 - スピーカ用振動板、その振動板を用いたスピーカならびにこのスピーカを用いた装置 - Google Patents

スピーカ用振動板、その振動板を用いたスピーカならびにこのスピーカを用いた装置 Download PDF

Info

Publication number
WO2009011102A1
WO2009011102A1 PCT/JP2008/001817 JP2008001817W WO2009011102A1 WO 2009011102 A1 WO2009011102 A1 WO 2009011102A1 JP 2008001817 W JP2008001817 W JP 2008001817W WO 2009011102 A1 WO2009011102 A1 WO 2009011102A1
Authority
WO
WIPO (PCT)
Prior art keywords
speaker
diaphragm
polylactic acid
speakers
enables
Prior art date
Application number
PCT/JP2008/001817
Other languages
English (en)
French (fr)
Inventor
Yoshimichi Kajihara
Kazuaki Nishimura
Hiroshi Shinkoda
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
Priority claimed from JP2007183965A external-priority patent/JP5018298B2/ja
Priority claimed from JP2007183964A external-priority patent/JP5023853B2/ja
Priority claimed from JP2007259595A external-priority patent/JP5018383B2/ja
Priority claimed from JP2007259594A external-priority patent/JP2009089302A/ja
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to CN200880024502.0A priority Critical patent/CN101743760B/zh
Priority to US12/602,017 priority patent/US8406452B2/en
Publication of WO2009011102A1 publication Critical patent/WO2009011102A1/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • 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
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • 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
    • H04R2231/001—Moulding aspects of diaphragm or surround
    • 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
    • H04R2307/021—Diaphragms comprising cellulose-like materials, e.g. wood, paper, linen
    • 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
    • H04R2307/025—Diaphragms comprising polymeric materials
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

　スピーカ用振動板は、ポリ乳酸と、そのポリ乳酸に混入する竹炭とを含有する。この振動板は環境負荷が小さく、高音質なスピーカを実現できる。
PCT/JP2008/001817 2007-07-13 2008-07-08 スピーカ用振動板、その振動板を用いたスピーカならびにこのスピーカを用いた装置 WO2009011102A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200880024502.0A CN101743760B (zh) 2007-07-13 2008-07-08 扬声器用振动板、使用该振动板的扬声器及使用该扬声器的装置
US12/602,017 US8406452B2 (en) 2007-07-13 2008-07-08 Diaphragm for speaker, speaker using the diaphragm, and system using the speaker

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2007-183964 2007-07-13
JP2007-183965 2007-07-13
JP2007183965A JP5018298B2 (ja) 2007-07-13 2007-07-13 スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置
JP2007183964A JP5023853B2 (ja) 2007-07-13 2007-07-13 スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置
JP2007-259595 2007-10-03
JP2007-259594 2007-10-03
JP2007259595A JP5018383B2 (ja) 2007-10-03 2007-10-03 スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置
JP2007259594A JP2009089302A (ja) 2007-10-03 2007-10-03 スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置

Publications (1)

Publication Number Publication Date
WO2009011102A1 true WO2009011102A1 (ja) 2009-01-22

Family

ID=40259451

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001817 WO2009011102A1 (ja) 2007-07-13 2008-07-08 スピーカ用振動板、その振動板を用いたスピーカならびにこのスピーカを用いた装置

Country Status (3)

Country Link
US (1) US8406452B2 (ja)
CN (1) CN101743760B (ja)
WO (1) WO2009011102A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010206340A (ja) * 2009-03-02 2010-09-16 Panasonic Corp スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008084641A1 (ja) * 2006-12-22 2008-07-17 Panasonic Corporation スピーカ用振動板と、スピーカ用フレームと、スピーカ用ダストキャップと、これらを用いたスピーカと装置と、スピーカ用部品の製造方法
US20110007931A1 (en) * 2008-07-25 2011-01-13 Panasonic Corporation Speaker diaphragm, speaker, and method for manufacturing speaker diaphragm
US8877841B2 (en) * 2008-07-31 2014-11-04 Kyoto University Molding material containing unsaturated polyester resin and microfibrillated plant fiber
US8774449B2 (en) 2009-12-28 2014-07-08 Panasonic Corporation Speaker diaphragm, speaker dust cap, speaker frame, speaker using said parts, and electronic equipment and device using said speaker
JP5387429B2 (ja) 2010-01-27 2014-01-15 パナソニック株式会社 スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置
WO2012140880A1 (ja) * 2011-04-15 2012-10-18 パナソニック株式会社 スピーカ用樹脂成形部品およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および移動体装置
JP2015185946A (ja) 2014-03-20 2015-10-22 キヤノン株式会社 アンテナ装置
JP1625749S (ja) * 2018-06-06 2019-03-04
JP7234585B2 (ja) * 2018-11-06 2023-03-08 ヤマハ株式会社 スピーカー振動板及びスピーカー
CN112511957A (zh) * 2020-11-02 2021-03-16 歌尔股份有限公司 用于发声装置的振动板及发声装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003253011A (ja) * 2002-03-05 2003-09-10 Shigemi Sakai 繊維補強プラスチック成形体
JP2005002174A (ja) * 2003-06-10 2005-01-06 Toray Ind Inc 樹脂組成物およびそれからなる成形品
JP2005146261A (ja) * 2003-10-20 2005-06-09 Toray Ind Inc 射出成形品
JP2005154479A (ja) * 2003-11-20 2005-06-16 Toray Ind Inc 樹脂組成物およびそれからなる成形品
JP2005236497A (ja) * 2004-02-18 2005-09-02 Matsushita Electric Ind Co Ltd スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置
JP2005260546A (ja) * 2004-03-11 2005-09-22 Kenwood Corp スピーカ振動板およびスピーカ振動板の製造方法
JP2006016461A (ja) * 2004-06-30 2006-01-19 Fa M Inc 天然系充填材を含有する樹脂組成物の製造方法およびそれにより製造された樹脂組成物

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2892707B2 (ja) 1989-10-03 1999-05-17 オンキヨー株式会社 スピーカ振動板
JP3055712B2 (ja) 1991-06-13 2000-06-26 パイオニア株式会社 スピーカ用振動板
CN100436539C (zh) 2003-12-02 2008-11-26 株式会社钟化 聚(3-羟基链烷酸酯)组合物及其成型体
WO2005079110A1 (ja) 2004-02-18 2005-08-25 Matsushita Electric Industrial Co., Ltd. スピーカ、スピーカ用振動板、ダストキャップ、それらの製造方法および製造装置
JP4039378B2 (ja) 2004-03-19 2008-01-30 ソニー株式会社 スピーカ用の音響紙振動板及び音響トランスジューサ機器
US20080027158A1 (en) * 2004-08-19 2008-01-31 Hiroyuki Ishida Speaker Diaphragm
JP2007196384A (ja) 2006-01-23 2007-08-09 Matsushita Electric Works Ltd 植物繊維ボード
US8199964B2 (en) * 2006-02-20 2012-06-12 Panasonic Corporation Speaker diaphragm, speaker dust cap, speaker sub-cone, speaker using these components, and electronic apparatus using the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003253011A (ja) * 2002-03-05 2003-09-10 Shigemi Sakai 繊維補強プラスチック成形体
JP2005002174A (ja) * 2003-06-10 2005-01-06 Toray Ind Inc 樹脂組成物およびそれからなる成形品
JP2005146261A (ja) * 2003-10-20 2005-06-09 Toray Ind Inc 射出成形品
JP2005154479A (ja) * 2003-11-20 2005-06-16 Toray Ind Inc 樹脂組成物およびそれからなる成形品
JP2005236497A (ja) * 2004-02-18 2005-09-02 Matsushita Electric Ind Co Ltd スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置
JP2005260546A (ja) * 2004-03-11 2005-09-22 Kenwood Corp スピーカ振動板およびスピーカ振動板の製造方法
JP2006016461A (ja) * 2004-06-30 2006-01-19 Fa M Inc 天然系充填材を含有する樹脂組成物の製造方法およびそれにより製造された樹脂組成物

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010206340A (ja) * 2009-03-02 2010-09-16 Panasonic Corp スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置

Also Published As

Publication number Publication date
US8406452B2 (en) 2013-03-26
CN101743760A (zh) 2010-06-16
US20100172533A1 (en) 2010-07-08
CN101743760B (zh) 2013-12-25

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