Camera module and autofocus method thereof
US9086613B1 · kind B1 · utility
3Cited by
1References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 20, 2014 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Jun 20, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B3/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera module in which a focal distance is adjusted by an actuator may include a permanent magnet and a coil. A neutral zone spatially dividing first and second polarities of the permanent magnet may be formed at a portion of the permanent magnet facing a sensing sensor sensing magnetic flux.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.