Vibration generating device
US8937411B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2012 |
| Grant date | Jan 20, 2015 |
| Priority date | — |
| Expiry date | Jul 16, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K33/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is provided a vibration generating device, including: a housing including an inner space; a shaft provided in the inner space of the housing in an axial direction; a frame including a shaft hole into which the shaft is fitted; a bearing member mounted on the frame to be vibrated in a state of contact with the shaft; a vibrating part mounted on an outer surface of the frame and including a magnetic field generation part; elastic members mounted on both ends of the vibrating part in the axial direction; and a coil provided in the inner space and vibrating the vibrating part by interaction with the magnetic field generation part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.