LENS driving unit and optical pickup including the same
US8861320B2 · kind B2 · utility
0Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2012 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Nov 13, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/0932
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a lens driving unit for an optical pickup and an optical disc drive that employs the lens driving unit. The lens driving unit includes a lens frame in which an object lens and a plurality of driving coils are installed, and a plurality of suspension wires connected to the driving coils. The lens frame also includes a plurality of winding posts disposed on opposing sides of the lens frame and extending in a direction in which the suspension wires extend. According to various examples, coil ends of the driving coils are wound around the winding posts to electrically connect the driving coils to the suspension wires.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.