Apparatus and method for reproducing optical disk

Details Apparatus and method for reproducing optical disk Apparatus and method for reproducing optical disk

2007-11-29

2010-10-26

Dinh, Tan X (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S047160, C369S053200

Reexamination Certificate

active

07821907

ABSTRACT:
An optical disk reproducing apparatus to equalize and reproduce a signal optically read from an optical disk includes a controller to determine a number of regions to divide the optical disk into according to a reproduction frequency variation corresponding to a signal quality variation, and an equalizer to filter signals optically read from the divided regions with a cut-off frequency corresponding to the reproduction frequency variation.

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International Search Report and Written Opinion issued in corresponding International Application No. PCT/KR2008/000409 dated Apr. 24, 2008.

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