Voice coil motor
US8836177B2 · kind B2 · utility
27Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2011 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | May 7, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/55
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a lens-accommodating, both ends opened cylindrical bobbin and a coil block including a coil wound on a periphery of the bobbin; a stator including a cylindrical yoke formed with a lens-exposing opening, a plurality of magnets disposed inside the yoke and opposite to the coil block, and a magnet fixing member disposed inside the yoke to fix the plurality of magnets; and an elastic member elastically supporting the bobbin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.