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Patent Searching and Data


Title:
SOUND GENERATOR, SOUND GENERATION DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/029828
Kind Code:
A1
Abstract:
[Problem] To provide a sound generator, a sound generation device and an electronic apparatus which have excellent high-frequency sound reproduction capability. [Solution] The present invention is a sound generator 12 that is attached to a plate member 11 so as to face an opening 10 of the plate member 11. The sound generator 12 is provided with: a piezoelectric speaker 2 comprising a diaphragm 22 to which a piezoelectric element 23 is attached, and a frame 21 which supports an outer peripheral portion of at least one principal surface of the diaphragm 22; and a holding member 3 which secures an outer peripheral portion of the piezoelectric speaker 2 and has one end connected to the plate member 11 to thereby form an enclosed space between the plate member 11 and the piezoelectric speaker 2, and is characterized in that the holding member 3 is provided with a frame-shaped portion 32 configured to form an open portion 13 through which at least part of the space is opened.

Inventors:
NAGAOKA,Satofumi (6 Takeda Tobadono-cho, Fushimi-ku, Kyoto-sh, Kyoto 01, 〒6128501, JP)
Application Number:
JP2016/058072
Publication Date:
February 23, 2017
Filing Date:
March 15, 2016
Export Citation:
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Assignee:
KYOCERA CORPORATION (6 Takeda Tobadono-cho, Fushimi-ku Kyoto-sh, Kyoto 01, 〒6128501, JP)
International Classes:
H04R17/00; H04R1/02; H04R1/28; H04R1/34
Domestic Patent References:
WO2014024528A12014-02-13
Foreign References:
JPH10313499A1998-11-24
JPH08107594A1996-04-23
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