Title:
DIAPHRAGM FOR SPEAKER, SPEAKER, AND METHOD FOR PRODUCING DIAPHRAGM FOR SPEAKER
Document Type and Number:
WIPO Patent Application WO/2010/010701
Kind Code:
A1
Abstract:
A diaphragm for a speaker is formed by making a sheet by using fibers extracted from bamboo leaves in a content of at least 5 wt%. Consequently, a high-sound-quality diaphragm for a speaker that has improved rigidity and a light environmental load, and is capable of reducing costs can be obtained.
Inventors:
JIN YOHEI
MIMURA KAZUYOSHI
MIZONE SHINYA
FUJII TORU
MIMURA KAZUYOSHI
MIZONE SHINYA
FUJII TORU
Application Number:
PCT/JP2009/003453
Publication Date:
January 28, 2010
Filing Date:
July 23, 2009
Export Citation:
Assignee:
PANASONIC CORP (JP)
JIN YOHEI
MIMURA KAZUYOSHI
MIZONE SHINYA
FUJII TORU
JIN YOHEI
MIMURA KAZUYOSHI
MIZONE SHINYA
FUJII TORU
International Classes:
H04R7/02; H04R31/00
Domestic Patent References:
| WO2007105454A1 | 2007-09-20 |
Foreign References:
| JP2000324591A | 2000-11-24 | |||
| JP2004274661A | 2004-09-30 | |||
| JPH04340896A | 1992-11-27 | |||
| JP2008118330A | 2008-05-22 | |||
| JPH06303695A | 1994-10-28 | |||
| JP2005236497A | 2005-09-02 |
Attorney, Agent or Firm:
NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)
Hiroki Naito (JP)
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