Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2004-12-28
2008-08-05
Feild, Joseph (Department: 2627)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
Reexamination Certificate
active
07408848
ABSTRACT:
An objective lens actuator which mainly using an objective lens holder with a flat form facilitates manufacture and fabrication. Also the objective lens actuator controls the focusing direction, tracking direction and radial tilt direction of the optical pickup head. And, the objective lens actuator not only controls but also drives the optical pickup head.
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9th Joint MMM/Intermag Conference, Anaheim, California, Jan. 5-9, 2004.
Chau-Yuan Ke et al.,IEEE Transactions on Magnetics, vol. 40, Issue 4, Jul. 2004 pp. 2071-2073.
Chang Chi-Lone
Ke Chau-Yuan
Agustin Peter Vincent
Birch & Stewart Kolasch & Birch, LLP
Feild Joseph
Industrial Technology Research Institute
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