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Patent Searching and Data


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 (1-7, Yukigaya-otsukamachi, Ota-k, Tokyo 01, 〒1458501, JP)
Application Number:
JP2018/042189
Publication Date:
May 23, 2019
Filing Date:
November 14, 2018
Export Citation:
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Assignee:
ALPS ALPINE CO., LTD. (1-7 Yukigaya-otsukamachi, Ota-ku Tokyo, 01, 〒1458501, JP)
International Classes:
H02K33/02; B06B1/04
Foreign References:
JP2016096677A2016-05-26
JP2017074571A2017-04-20
JP2017018934A2017-01-26
Attorney, Agent or Firm:
ITOH, Tadashige et al. (16th Floor, Marunouchi MY PLAZA 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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