Title:
VIBRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/198417
Kind Code:
A1
Abstract:
Provided is a vibration device capable of reliably removing a drop of water that is in the field of view of an imaging device and attached to a surface of a light transmission body disposed on a subject side of an imaging element. This vibration device 1 is provided with: a light transmission body 2 disposed on a subject side of an imaging element 9; a cylindrical body 3 having a first end portion 3a, a second end portion 3b on the opposite side as the first end portion 3a, and an outer surface 3d and an inner surface 3e connecting the first end portion 3a and the second end portion 3b, the cylindrical body 3 being connected to the light transmission body 2 so as to hold the light transmission body 2 on the side of the first end portion 3a; and a piezoelectric element 4 disposed along the circumferential direction of the cylindrical body 3 so as to torsionally vibrate the cylindrical body 3.
Inventors:
FUJIMOTO KATSUMI (JP)
HORIGUCHI CHIKAHIRO (JP)
NISHIYAMA KENJI (JP)
KURATANI YASUHIRO (JP)
ICHIGUCHI SHINICHIRO (JP)
HORIGUCHI CHIKAHIRO (JP)
NISHIYAMA KENJI (JP)
KURATANI YASUHIRO (JP)
ICHIGUCHI SHINICHIRO (JP)
Application Number:
PCT/JP2017/044348
Publication Date:
November 01, 2018
Filing Date:
December 11, 2017
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
G03B17/08; G02B7/02; G03B15/00; H02N2/00; H04N5/225
Domestic Patent References:
| WO2017022382A1 | 2017-02-09 | |||
| WO2017110563A1 | 2017-06-29 |
Foreign References:
| JP2013080177A | 2013-05-02 | |||
| JP2010181584A | 2010-08-19 | |||
| JP2006333679A | 2006-12-07 | |||
| JP2007189802A | 2007-07-26 | |||
| US20140036084A1 | 2014-02-06 | |||
| JP2017085276A | 2017-05-18 | |||
| JP2017170303A | 2017-09-28 | |||
| JP2013080177A | 2013-05-02 |
Other References:
See also references of EP 3617796A4
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (JP)
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