Title:
SOUND GENERATOR, SOUND GENERATION DEVICE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/103424
Kind Code:
A1
Abstract:
[Problem] To provide a sound generator capable of producing frequency properties of a favorable sound pressure, a sound generation device, and an electronic device. [Solution] A sound generator according to an embodiment has at least an exciter, a vibrating plate and a frame. The exciter vibrates as a result of an electrical signal. The vibrating plate has the exciter attached thereto, and vibrates with the exciter as a result of the vibration of the exciter. The frame is positioned along the outer-circumferential section of the vibrating plate. In addition, the frame comprises two different thickness or width frame members, and supports the vibrating plate by sandwiching the same between the two frame members.
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Inventors:
NAKAMURA SHIGENOBU (JP)
Application Number:
PCT/JP2013/072584
Publication Date:
July 03, 2014
Filing Date:
August 23, 2013
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
H04R7/04; H01L41/053; H01L41/083; H04R1/02; H04R1/28; H04R7/18; H04R17/00
Foreign References:
| JP2012110018A | 2012-06-07 | |||
| JP2004023436A | 2004-01-22 |
Other References:
See also references of EP 2941016A4
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