Title:
SOUND GENERATOR, SOUND GENERATION DEVICE, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/024736
Kind Code:
A1
Abstract:
In order to obtain good sound frequency characteristics, the sound generator (1) of the embodiments has at least a plurality of piezoelectric elements (5) and a vibrating body (3a). The plurality of piezoelectric elements (5) vibrates as a result of an electrical signal being inputted. The plurality of piezoelectric elements (5) is attached to the vibrating body (3a). Furthermore, the plurality of piezoelectric elements (5) is attached to the vibrating body (3a) in such a manner as to be, in a plan view, asymmetrical in relation to all of the axes of symmetry of the shape rendered by the contour of the vibrating body (3a).
Inventors:
KUSHIMA NORIYUKI (JP)
FUKUOKA SHUICHI (JP)
HIRAYAMA TAKESHI (JP)
YAMAKAWA KENJI (JP)
NINOMIYA HIROSHI (JP)
FUKUOKA SHUICHI (JP)
HIRAYAMA TAKESHI (JP)
YAMAKAWA KENJI (JP)
NINOMIYA HIROSHI (JP)
Application Number:
PCT/JP2013/070641
Publication Date:
February 13, 2014
Filing Date:
July 30, 2013
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
H04R17/00; H04R7/04
Domestic Patent References:
| WO2010106736A1 | 2010-09-23 |
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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