Lens driving unit for optical pickup and optical disc drive including the lens driving unit
US8619520B2 · kind B2 · utility
0Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2012 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Aug 2, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/0935
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a lens driving unit for an optical pickup and an optical disc drive employing the lens driving unit. First and second driving coils are directly wound around a coil winding unit included in the lens frame, which is different from a conventional lens frame in which a driving coil is manufactured as a separate element and is separately attached to a lens frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.