Optical pick-up actuator

Details Optical pick-up actuator Optical pick-up actuator

2006-02-07

2006-02-07

Miller, Brian E. (Department: 2652)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S053190, C720S683000

Reexamination Certificate

active

06996039

ABSTRACT:
Disclosed is an optical pick-up actuator configured to achieve a multiaxial driving operation using a combination of a moving magnet system and a moving coil system. The optical pick-up actuator includes a first magnet unit, and a second magnet unit. The first magnet unit serves to conduct a tilt compensation, and the second magnet serves to conduct focusing and tracking operations. The first magnet unit for the tilt compensation is configured to conduct a tilt compensation in a tangential direction and a tilt compensation in a radial direction in an independent fashion.

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patent: 6515947 (2003-02-01), Takishima
patent: 09231593 (1997-09-01), None

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