Rapid data reproduction method and apparatus for optical disk

Details Rapid data reproduction method and apparatus for optical disk Rapid data reproduction method and apparatus for optical disk

1998-06-25

1999-09-14

Dinh, Tan

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 37, 369 4428, G11B 1722

Patent

active

059532920

ABSTRACT:
A data reproduction method and apparatus reads the tracks of an optical disk by means of a read unit having a plurality of optical beams. The method includes a first reproduction step for simultaneously playing back a first plurality of tracks on a disk using the plurality of optical beams; a first jump step for jumping a greater number of tracks than the number of optical beams in a forward direction; a second reproduction step for simultaneously playing back a second plurality of tracks on the optical disk using the plurality of beams after the first jump step; a second jump step for jumping a greater number of tracks than the number of optical beams in a backward direction opposite to the forward direction; and a third reproduction step for simultaneously playing back a third plurality of tracks on the optical disk using the plurality of optical beams after the second jump step.

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patent: 5757746 (1998-05-01), Matsui
patent: 5886964 (1999-03-01), Fujita

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