Method of determining defects in information storage medium,...

Details Method of determining defects in information storage medium,... Method of determining defects in information storage medium,...

2005-11-16

2009-02-10

Le, Dieu-Minh (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S005110

Reexamination Certificate

active

07490262

ABSTRACT:
A method of determining whether a defect exists on an information storage medium is provided along with a recording/reproducing apparatus using the same. Such a method comprises: seeking a defect entry whose state information indicates that a defect block or a replacement block has been re-initialized without certification from a defect list for managing an information storage medium and including state information of the defect block and state information of the replacement block, wherein the medium includes a spare area for recording the replacement block to replace the defect block occurring in a user data area on the medium; and certifying the defect block or the replacement block registered in the sought defect entry. As a result, defect information can be effectively rearranged for quick re-initialization without certification in order to improve the performance of a drive system.

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International Search Report issued in International Application No. PCT/KR 2005/3890 on Feb. 14, 2006.

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