Optical pickup actuator and optical disk drive using the same and method
US7266055B2 · kind B2 · utility
4Cited by
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45Claims
0Family size
Assignee
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Key dates
| Filing date | May 20, 2004 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Sep 30, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/0935
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical pickup actuator and optical disc drive using the same. The optical pickup actuator includes a blade holding an objective lens and supported on a base by a plurality of suspension wires so that it is elastically movable, a magnetic element positioned on the base, and a coil positioned horizontally on the blade to generate electromagnetic force in a focusing direction and/or a tilting direction through interaction with the magnetic element. The coil is divided into a plurality of subcoils separated vertically from one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.