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Patent Searching and Data


Title:
VEHICULAR SPEAKER
Document Type and Number:
WIPO Patent Application WO/2021/153742
Kind Code:
A1
Abstract:
Provided is a vehicular speaker that is capable of achieving acoustic output of constant characteristics irrespective of the dimension or configuration of overall interior materials in use, and that can be constructed with a smaller number of components and assembling steps. The vehicular speaker according to the present invention has a plate-like vibration member 1. A vibrating surface portion 10 is formed in a part of the vibration member 1. A non-vibrating surface portion 11 is formed in a part of the vibration member 1. The vibrating surface portion 10 and the non-vibrating surface portion 11 are partitioned into separate compartments by a partition part 12. A voice coil 3 is fixed to the vibrating surface portion 10. A holding member 8 is fixed to the non-vibrating surface portion 11. A magnetic circuit 2 is fixed to the holding member 8 in such a manner as to correspond to the voice coil 3.

Inventors:
TABATA TAKAYUKI (JP)
Application Number:
PCT/JP2021/003274
Publication Date:
August 05, 2021
Filing Date:
January 29, 2021
Export Citation:
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Assignee:
FOSTER ELECTRIC CO LTD (JP)
International Classes:
B60R11/02; H04R1/02; H04R7/04; H04R7/18; H04R7/26; H04R9/04
Foreign References:
JPS57171368U1982-10-28
JP2007124005A2007-05-17
JPS599693U1984-01-21
JPS54139718A1979-10-30
JP2007221638A2007-08-30
JPS63254896A1988-10-21
JP2009159104A2009-07-16
JPS57104396A1982-06-29
Attorney, Agent or Firm:
KIUCHI Mitsuharu et al. (JP)
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