Granted Patent B2

US 12,224,640 · App. 18/525,955 · Granted Feb 11, 2025

Inventors: Mikio Umehara (Yonago, JP); Yutaka Kamogi (Yonago, JP)

Assignee: MINEBEA MITSUMI Inc.

H02K33/02H01F7/20

Abstract

Claims (14)

1. A vibration generating device comprising:

a base;

a coil attached to the base;

a plate formed with a magnetic body, the plate opposing the base;

a plurality of elastic members fixed to a part of the plate outside the coil and a part of the base outside the coil,

a gap between the plate and the base corresponds to a thickness of the elastic member,

a space between the plurality of elastic members in a circumferential direction, wherein

the plurality of elastic members includes a first elastic member,

the space can accommodate a part of the deformed first elastic member.

2. The vibration generating device according to claim 1 , wherein

the first elastic member is deformable in the circumferential direction.

3. An electronic device comprising:

a housing; and

the vibration generating device according to claim 1 .

Priority Claims (1)

Continuity (5)

References Cited (86)