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Patent Searching and Data


Title:
VIBRATION DEVICE AND PORTABLE TERMINAL USING SAME
Document Type and Number:
WIPO Patent Application WO/2013/145357
Kind Code:
A1
Abstract:
[Problem] To provide a vibration device and a portable terminal using the same that can be made thin, and whereby a strong vibration can be generated. [Solution] A vibration device and a portable terminal using the same, the vibration device having at least: a support body (11); a vibration plate (12) having a first portion (12a) joined to the support body (11), an edge of the first portion (12a) being joined to and supported by the support body (11), and a second portion (12b) positioned inside of the first portion (12a) and not joined to the support body (11); and a vibrating element (14) which undergoes bending vibration in a first direction so that the amplitude of vibration varies along a second direction perpendicular to the first direction in response to inputting of an electric signal, a surface on one side in the first direction of the vibrating element (14) being joined to the second portion (12b) on a principal surface on one side of the vibration plate (12); a spacing (d1) between the vibrating element (14) and the first portion (12a) in a third direction perpendicular to the first direction and the second direction being larger than a spacing (d2) between the vibrating element (14) and the first portion (12a) in the second direction.

Inventors:
IWASAKI SATORU (JP)
TAKAHASHI TOORU (JP)
FUJII YASUHITO (JP)
HAYASHI HARUMI (JP)
Application Number:
PCT/JP2012/069416
Publication Date:
October 03, 2013
Filing Date:
July 31, 2012
Export Citation:
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Assignee:
KYOCERA CORP (JP)
IWASAKI SATORU (JP)
TAKAHASHI TOORU (JP)
FUJII YASUHITO (JP)
HAYASHI HARUMI (JP)
International Classes:
H04R7/04; H04M1/02; H04R1/02; H04R3/00; H04R17/00
Foreign References:
JPS55107796U1980-07-28
JP2007082009A2007-03-29
JP2002330496A2002-11-15
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