Vibration motor
US10038362B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2016 |
| Grant date | Jul 31, 2018 |
| Priority date | — |
| Expiry date | Dec 9, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K1/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vibration motor includes a fixed member, a vibration unit, and an elastic member. The vibration unit includes a first weight, a second weight, and a magnet sandwiched by the first and second weights. The motor further includes a first positioning guiding member including a first weight guiding rail, a first base guiding rail, a first movement rail formed by the first weight guiding rail and the first base guiding rail, and a plurality of magnetic bodies disposed at two sides of the first movement rail; a second positioning guiding member including a second weight guiding rail, a second base guiding rail, a pair of second movement rails formed by the second weight guiding rail and the second base guiding rail, and a magnetic body disposed between the second movement rails.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.