Title:
VIBRATION ACTUATOR AND CONTACT-TYPE INPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/210823
Kind Code:
A1
Abstract:
A vibration actuator according to the present invention comprises a plate that is a magnetic body, an electromagnet that is provided on the plate and is formed by providing a coil to a center part of a core, and an elastic body that supports the core on both sides of the coil and is connected to the plate. Magnetic force generated by energization of the coil causes one of the coil or the plate to be displaced toward the other and vibrate.
Inventors:
SATO SOICHI
KINOSHITA YOSUKE
AZUMAI KOICHI
AITA KOJI
KINOSHITA YOSUKE
AZUMAI KOICHI
AITA KOJI
Application Number:
PCT/JP2023/016957
Publication Date:
November 02, 2023
Filing Date:
April 28, 2023
Export Citation:
Assignee:
MINEBEA MITSUMI INC (JP)
SATO SOICHI
KINOSHITA YOSUKE
AZUMAI KOICHI
AITA KOJI
SATO SOICHI
KINOSHITA YOSUKE
AZUMAI KOICHI
AITA KOJI
International Classes:
B06B1/04; H02K33/02
Domestic Patent References:
| WO2016185900A1 | 2016-11-24 |
Foreign References:
| JP2022056149A | 2022-04-08 | |||
| JP2021164923A | 2021-10-14 | |||
| JP2021081876A | 2021-05-27 | |||
| JP2021169096A | 2021-10-28 | |||
| JP2013187928A | 2013-09-19 | |||
| JP2012181050A | 2012-09-20 | |||
| US20190319568A1 | 2019-10-17 | |||
| US20170341108A1 | 2017-11-30 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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