Title:
SOUND GENERATOR, SOUND GENERATION DEVICE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/103951
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, a frame, and a resin material. 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 body. The resin material is positioned in the space formed between the inner-circumferential surface of the frame and the surface of the vibrating plate on the side thereof on which the exciter is positioned. The resin material is integrally formed with the vibrating body and the exciter. In addition, the resin material is also positioned in at least one section of the surface of the frame other than the inner-circumferential surface thereof.
Inventors:
NAKAMURA SHIGENOBU (JP)
Application Number:
PCT/JP2013/084311
Publication Date:
July 03, 2014
Filing Date:
December 20, 2013
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
H04R17/00; H04R1/02; H04R3/00; H04R7/04; H04R7/26
Domestic Patent References:
| WO2009110575A1 | 2009-09-11 |
Foreign References:
| JP2012110018A | 2012-06-07 | |||
| JPS61288506A | 1986-12-18 |
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