Voice coil motor
US8368256B2 · kind B2 · utility
13Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2011 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Jul 3, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K41/0356
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A voice coil motor (VCM) is disclosed. The VCM includes a base formed with an opening; a movable body including a bobbin arranged on the base and formed with a hollow hole and a coil arranged along a periphery of the bobbin; a stator including a frame-shaped magnet arranged on the base, the magnet being discrete from the coil and wrapping a periphery of the coil; and a case covering an upper surface and an outer surface of the magnet, the case being coupled to the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.