Title:
VIBRATION GENERATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/098250
Kind Code:
A1
Abstract:
This vibration generating device comprises: a casing; a vibrating body that is accommodated in the casing; an elastic body that vibratably holds the vibrating body along a first direction and a second direction intersecting the first direction; a magnetic drive unit that has a coil provided on the vibrating body and a magnet provided on the casing and uses magnetic force to drive the vibrating body along the first direction and the second direction; and an energizing means that is electrically connected to the coil in order to supply electric power to the coil from the outside. The elastic body is a leaf spring having a folded structure and has a surface shape cut off at least at a portion close to the energizing means so as to avoid coming into contact with the energizing means.
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Inventors:
WAUKE TOMOKUNI (JP)
Application Number:
PCT/JP2018/042189
Publication Date:
May 23, 2019
Filing Date:
November 14, 2018
Export Citation:
Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
H02K33/02; B06B1/04
Foreign References:
| JP2016096677A | 2016-05-26 | |||
| JP2017074571A | 2017-04-20 | |||
| JP2017018934A | 2017-01-26 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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