Vibration generating device and electronic device
US10715020B2 · kind B2 · utility
7Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2017 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Dec 2, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.