Lens driving apparatus
US8009371B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2006 |
| Grant date | Aug 30, 2011 |
| Priority date | — |
| Expiry date | Jul 6, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K41/0356
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lens driving apparatus is disclosed. The lends driving apparatus may include a movable body holding lenses, a fixed body in which the movable body is mounted and movably along the lens optical axis direction, and a drive mechanism that moves the movable body in the lens optical axis direction. The drive mechanism may be equipped with a coil that is held by the movable body or the fixed body, a magnet that is held by the other body of the movable body and the fixed boy, and a regulatory means that regulates the movement of the movable body which is induced by an electromagnetic force generated when current is passed through the coil. The coil may be opposed to the magnet in the lens optical direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.