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Title:
SPEAKER DIAPHRAGM, SPEAKER DEVICE AND MOBILE UNIT
Document Type and Number:
WIPO Patent Application WO/2017/046874
Kind Code:
A1
Abstract:
Provided is a speaker diaphragm achieving excellent sound characteristics, a speaker device provided with such speaker diaphragm, or a mobile unit provided with such speaker device. The speaker diaphragm is provided with a fiber-intermingled body (21) and a resin film (25) formed on a surface of the fiber-intermingled body (21), wherein the resin film (25) is provided with a resin, a plurality of spheres and a plurality of polyhedrons.

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JPS57148494MANUFACTURING METHOD OF DIAPHRAGM FOR SPEAKER
WO/2013/137362SPEAKER VIBRATING PLATE AND METHOD FOR PRODUCING SPEAKER VIBRATING PLATE
Inventors:
KAWATA KAZUHARU (JP)
SATO YOSHIHIRO (JP)
SATO KEISHI (JP)
Application Number:
PCT/JP2015/076173
Publication Date:
March 23, 2017
Filing Date:
September 15, 2015
Export Citation:
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Assignee:
PIONEER CORP (JP)
MOGAMI DENKI CORP (JP)
International Classes:
H04R7/02
Foreign References:
JPS62108698A1987-05-19
JP2014187643A2014-10-02
JPH03277000A1991-12-09
Attorney, Agent or Firm:
TAKINO, Hideo et al. (JP)
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