Optical pickup actuator and optical disk drive using the...

Details Optical pickup actuator and optical disk drive using the... Optical pickup actuator and optical disk drive using the...

2007-09-04

2007-09-04

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

Reexamination Certificate

active

10849190

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.

REFERENCES:
patent: 2002/0006090 (2002-01-01), Kawano
patent: 1335613 (2002-02-01), None
patent: 2002-140828 (2002-05-01), None
patent: 2000-39836 (2000-07-01), None
Office Action issued by the Korean Patent Office on Feb. 24, 2005 (including English translation).
Chinese Office Action for corresponding Chinese Patent Application No.: 2004100684337 dated Mar. 30, 2007.

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