Title:
SPEAKER DIAPHRAGM, SPEAKER, AND SPEAKER DIAPHRAGM MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2010/095704
Kind Code:
A1
Abstract:
A speaker diaphragm (1) includes a material wherein a cyclic olefin resin is added to a carbon fiber reinforced liquid crystal polymer. It is thereby possible to obtain a speaker diaphragm (1) with high sound velocity, a speaker (5), and a manufacturing method for the speaker diaphragm (1).
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Inventors:
MITANI TETSUO (JP)
MURAKAMI OSAMU (JP)
HARA MASASHI (JP)
FUJITA AKIHIRO (JP)
MURAKAMI OSAMU (JP)
HARA MASASHI (JP)
FUJITA AKIHIRO (JP)
Application Number:
PCT/JP2010/052500
Publication Date:
August 26, 2010
Filing Date:
February 19, 2010
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
MITANI TETSUO (JP)
MURAKAMI OSAMU (JP)
HARA MASASHI (JP)
FUJITA AKIHIRO (JP)
MITANI TETSUO (JP)
MURAKAMI OSAMU (JP)
HARA MASASHI (JP)
FUJITA AKIHIRO (JP)
International Classes:
H04R7/02; H04R31/00
Foreign References:
| JPH0247999A | 1990-02-16 | |||
| JPH06225383A | 1994-08-12 | |||
| JP2003319488A | 2003-11-07 | |||
| JP2006233161A | 2006-09-07 | |||
| JPH02276399A | 1990-11-13 | |||
| JPH09284884A | 1997-10-31 | |||
| JPS62202699A | 1987-09-07 | |||
| JP2004015194A | 2004-01-15 | |||
| JPH05153692A | 1993-06-18 | |||
| JPH01121357A | 1989-05-15 | |||
| JP2004274661A | 2004-09-30 | |||
| JPH06178385A | 1994-06-24 | |||
| JP2004238469A | 2004-08-26 |
Attorney, Agent or Firm:
FUKAMI, Hisao et al. (JP)
Hisao Fukami (JP)
Hisao Fukami (JP)
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