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US 11,901,788 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.
Claims6
A vibration generating device comprising:
- a base;
- a coil including an annular shape, the coil being attached to the base;
- a plate formed with a magnetic body;
- and
- an elastic member comprising a deformable gel member having a restoring force,
- the elastic member supporting the plate with respect to the base,
- wherein
- the plate includes a surface opposing the base and a projecting part provided with the surface opposing the base,
- the projecting part is a weight, and
- the projecting part is arranged inside the coil.
7 more elements
Dependencies are inferred from the claim text.