Seek method of optical disks and optical storage device

Details Seek method of optical disks and optical storage device Seek method of optical disks and optical storage device

2008-04-22

2008-04-22

Neyzari, Ali (Department: 2627)

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

C369S053250

Reexamination Certificate

active

07362665

ABSTRACT:
An optical disk includes a first area, a second area having time information undistinguishable from time information of the first area and a third area having unique time information. The third area is divided into a plurality of sub-areas. Peculiar zone numbers are assigned to zones each representing the first area, the second area or any of the sub-areas and recorded in an associative-relation table memory for a management purpose. A zone number assigned to a zone of the present position of an optical pickup or a zone number assigned to a zone of a target position serving as a seek destination of the optical pickup is stored in a zone-number-storing memory for the purpose of managing the position of the optical pickup. Before a seek operation is carried out to move the optical pickup, a zone number stored in the zone-number-storing memory as a zone number assigned to a zone of the present position of the optical pickup is first changed to a zone number assigned to a zone of a target position serving as a seek destination of the optical pickup and, then, the seek operation is actually implemented to move the optical pickup to the zone identified by the newly stored zone number.

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