Title:
APPROACHING VEHICLE NOTIFICATION SOUND SPEAKER DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/145776
Kind Code:
A1
Abstract:
The approaching vehicle notification sound speaker device is equipped with a diaphragm for generating sound, an edge section that is joined to the outer edge of the diaphragm, and a frame for supporting the outer periphery of the edge section. Also, the diaphragm is made of a polyimide-containing film, and the edge section comprises a base material that is made of fibers and rubber-containing waterproof layers that are formed on either surface of the base material.
Inventors:
WATANABE KAZUAKI (JP)
SATO JUNICHI (JP)
SATO JUNICHI (JP)
Application Number:
PCT/JP2014/059364
Publication Date:
October 01, 2015
Filing Date:
March 28, 2014
Export Citation:
Assignee:
PIONEER CORP (JP)
PIONEER TOHOKU CORP (JP)
PIONEER TOHOKU CORP (JP)
International Classes:
H04R1/00; H04R1/02; H04R7/02; H04R7/20
Foreign References:
| JP2002125291A | 2002-04-26 | |||
| JP2008172479A | 2008-07-24 | |||
| JP2014049786A | 2014-03-17 | |||
| JP2013246351A | 2013-12-09 | |||
| JP2004007357A | 2004-01-08 |
Attorney, Agent or Firm:
TAKINO, Hideo et al. (JP)
Hideo Takino (JP)
Hideo Takino (JP)
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