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US 12,224,640 B2Granted
Vibration generating device and electronic device
AssigneeMINEBEA MITSUMI Inc.
InventorsMikio Umehara, Yutaka Kamogi
Life of this patent
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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.
Claims3
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.
5 more elements
Dependencies are inferred from the claim text.