Method and apparatus for scanning an optical disk using track ju

Details Method and apparatus for scanning an optical disk using track ju Method and apparatus for scanning an optical disk using track ju

1997-08-29

1999-11-30

Hindi, Nabil

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 54, G11B 700

Patent

active

059954582

ABSTRACT:
A method of scanning an optical disk having a land area and a groove area arranged in a double spiral configuration is disclosed. Either the land area or the groove area is continuously scanned radially inward or radially outward. The groove area, if the land area is so scanned first, or the land area, if the groove area is so scanned first, is scanned with a track jump repeated outward or inward from the end of the previous scanning. In this manner, one of the land area and groove area is subjected to continuous scanning without any track jump while the other area is subjected to scanning causing a track jump to occur within the same area.

REFERENCES:
patent: 4539664 (1985-09-01), Deguchi et al.
patent: 4814903 (1989-03-01), Kulakowski et al.
patent: 5606546 (1997-02-01), Best et al.
patent: 5619387 (1997-04-01), Ottesen et al.
patent: 5650984 (1997-07-01), Yamaguchi et al.
patent: 5754506 (1998-05-01), Nagasawa et al.

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