Optical disc apparatus

Details Optical disc apparatus Optical disc apparatus

2006-09-26

2006-09-26

Tran, Thang V. (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044220, C369S071000

Reexamination Certificate

active

07113458

ABSTRACT:
In an optical disc apparatus for recording and/or reproducing data on an optical disc, a lens holder for holding an objective lens is dynamically moved not only in a direction perpendicular to a data recording face of an optical disc but also in a direction parallel to the data recording face and crossing substantially at right angle with data recording tracks on the data recording face when the optical disc is loaded on the optical disc apparatus so as to remove the sticking of the movement of the objective lens due to adhesion of dust, break or deformation of the components.

REFERENCES:
patent: 4965904 (1990-10-01), Tanaka et al.
patent: 5109368 (1992-04-01), Ohta et al.
patent: 5210735 (1993-05-01), Hoshino et al.
patent: 5352881 (1994-10-01), Matsueda
patent: 61-034735 (1986-02-01), None
patent: 62-052756 (1987-03-01), None
patent: 02-218026 (1990-08-01), None
patent: 04-302830 (1992-10-01), None
patent: 11-203684 (1999-07-01), None
English translation of the cited reference JP 04-302830.

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