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Patent Searching and Data


Title:
SOUND GENERATOR, SOUND GENERATING APPARATUS, AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2014/034250
Kind Code:
A1
Abstract:
The present invention addresses the issue of obtaining frequency characteristics with excellent sound pressure. In order to solve the issue, a sound generator (1) of an embodiment of the present invention is provided with a piezoelectric element (exciter) (5), a flat vibrating body (3a), and a resin layer (7). The piezoelectric element (5) vibrates when electric signals are inputted thereto. The vibrating body (3a) has the piezoelectric element (5) attached thereto, and vibrates with the piezoelectric element (5) due to the vibration of the piezoelectric element (5). The resin layer (7) is disposed to cover the surface of the piezoelectric element (5) and the surface of the vibrating body (3a) having the piezoelectric element (5) attached thereto, and the resin layer is integrated with the vibrating body (3a) and the piezoelectric element (5). Furthermore, the resin layer (7) is provided with recesses and projections.

Inventors:
OKAMURA TAKESHI (JP)
NAKAMURA SHIGENOBU (JP)
Application Number:
PCT/JP2013/067892
Publication Date:
March 06, 2014
Filing Date:
June 28, 2013
Export Citation:
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Assignee:
KYOCERA CORP (JP)
International Classes:
H04R17/00; H01L41/083; H01L41/09; H04R1/02; H04R1/28; H04R7/04
Foreign References:
JP2012110018A2012-06-07
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
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