Flat linear vibrator
US8410642B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 6, 2010 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Mar 4, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K33/16
- 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 base has a bottom wall and a plurality of sidewalls extending vertically from the bottom wall. The vibrating unit has a magnet assembly and vibrates along a direction parallel to the bottom wall. The base further has a block located on the bottom wall. The block is located on a vibration path of the weight contacting the weight during vibration. An effective elastic displacement of the elastic member is not smaller than a distance between the block and a part contacting the block of the weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.