Lens driving apparatus and its manufacturing method
US7589922B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 8, 2007 |
| Grant date | Sep 15, 2009 |
| Priority date | — |
| Expiry date | Nov 8, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens driving apparatus and method may include a movable body holding lenses; a fixed body for supporting the movable body via a spring member to move in the optical axis direction; and a magnetic drive mechanism which has coils held by the movable body and which drives said movable body in the optical axis direction. Additionally, the spring member may be configured with a plurality of spring pieces which are electrically divided at one location in the optical axis direction, and a plurality of coil end portions pulled out from the coils are respectively and electrically connected to different spring pieces of a plurality of spring pieces from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.