Optical disk apparatus

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium

Reexamination Certificate

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Details

C369S047400, C369S030270

Reexamination Certificate

active

07460442

ABSTRACT:
An optical disk apparatus for controlling two optical pickups in an optimized way in response to operation modes for rotating the optical disk. When receiving a request for seeking one optical pickup from a HOST, a CPU judges whether to move the other optical pickup synchronously to satisfy positional restriction of the two optical pickups. Furthermore, when operating one optical pickup upon, for example, a read request. from the HOST, the CPU judges whether to move the other pickup to follow.

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patent: WO 97 28530 (1997-08-01), None

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