Linear vibrator having pole plate positioned in weight thereof
US9048718B2 · kind B2 · utility
11Cited by
0References
8Claims
0Family size
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Key dates
| Filing date | May 16, 2012 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Jun 24, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K33/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A linear vibrator is disclosed. The linear vibrator includes a housing having a base and a cover, a number of elastic members connected to the housing, a vibrating unit suspended in the housing by the elastic members, and a coil positioned in the housing. The vibrating unit includes a pole plate received in a recess formed in the vibrating unit, and a damper positioned on the pole plate by magnetic flux.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.