Title:
SOUND GENERATOR, SOUND GENERATION DEVICE, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/025061
Kind Code:
A1
Abstract:
Provided are a sound generator, and a sound generation device and electronic device that use the sound generator. The sound generator is provided with a frame, a vibrating body disposed on the frame in a state in which tension is applied, and a piezoelectric element disposed on the vibrating body. With regard to a first direction and a second direction, which are in line with the main surfaces of the vibrating body and intersect each other, tension in the first direction and tension in the second direction differ from each other.
Inventors:
KUSHIMA NORIYUKI (JP)
FUKUOKA SHUICHI (JP)
HIRAYAMA TAKESHI (JP)
MURAHASHI MASATO (JP)
NINOMIYA HIROSHI (JP)
FUKUOKA SHUICHI (JP)
HIRAYAMA TAKESHI (JP)
MURAHASHI MASATO (JP)
NINOMIYA HIROSHI (JP)
Application Number:
PCT/JP2013/071834
Publication Date:
February 13, 2014
Filing Date:
August 12, 2013
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
H04R17/00; H01L29/84; H04R7/04; H04R7/16
Foreign References:
| JP2012110018A | 2012-06-07 | |||
| JP2001119790A | 2001-04-27 | |||
| JP2001275187A | 2001-10-05 |
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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