Optical disk unit

Details Optical disk unit Optical disk unit

1994-04-01

1996-02-13

Tupper, Robert S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369 4414, 369249, G11B 2102, G11B 2112

Patent

active

054916844

ABSTRACT:
There is disclosed an optical disk unit. Optical parts, including a laser unit and objective, are integrally mounted on a bobbin, and focusing coils and tracking and feed coils are mounted on the bobbin. The bobbin is resiliently supported, and is slidable along guide shafts extending radially of an optical disk loaded on the optical disk unit. The bobbin is moved by the focusing coils and the tracking and feed coils, thereby effecting a focusing drive, a tracking drive and a feed drive. With this construction, the optical disk unit can be compact in size, and light in weight.

REFERENCES:
patent: 5018033 (1991-05-01), Miyazaki et al.
patent: 5214630 (1993-05-01), Goto et al.

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