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 PDFInfo
- 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
Links
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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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
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)
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)
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)
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 |
-
2008
- 2008-01-17 WO PCT/JP2008/050549 patent/WO2009090746A1/ja active Application Filing
- 2008-02-29 CN CN2008801240791A patent/CN101919268A/zh active Pending
- 2008-02-29 WO PCT/JP2008/053661 patent/WO2009090761A1/ja active Application Filing
- 2008-02-29 JP JP2009549949A patent/JPWO2009090761A1/ja active Pending
Patent Citations (1)
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 |