Title:
振動発生装置及び電子機器
Document Type and Number:
Japanese Patent JP6664691
Kind Code:
B2
Abstract:
In accordance with one aspect of the present disclosure, a vibration generating device includes a protruding part; a base provided with the protruding part and formed of a magnetic body; an annular coil surrounding the protruding part; a plate facing the base and formed of a magnetic body; and an elastic member supporting the plate with respect to the base. The plate and the base constitute magnetic circuit.
Inventors:
Mikio Umehara
Yutaka Kamoki
Yutaka Kamoki
Application Number:
JP2016230688A
Publication Date:
March 13, 2020
Filing Date:
November 28, 2016
Export Citation:
Assignee:
MinebeaMitsumi Co., Ltd.
International Classes:
H02K33/02; B06B1/04
Domestic Patent References:
| JP5176498A | ||||
| JP2003053265A | ||||
| JP2015070731A |
Foreign References:
| US3404299 | ||||
| US3312841 |
Attorney, Agent or Firm:
Yutaka Tsubaki
Ishikawa Tatsuro
Tsuyoshi Shiraka
Ishikawa Tatsuro
Tsuyoshi Shiraka