RECORD MEDIUM HAVING BACKUP FAULT-CONTROL AREA AND FAULT CONTROL INFORMATION; BACKUP AREA ALLOCATION AND FAULT CONTROL PROCESSES Russian patent published in 2004 - IPC

Abstract RU 2232437 C2

FIELD: optical data record media.

SUBSTANCE: record medium carries first backup area allocated in the course of initialization. It also has additional backup area allocated after initialization and/or expansion. Faulty blocks residing in backup area and respective substitution sectors recorded already in secondary fault list are not meant for use as backup ones. Size of primary and additional backup areas depends on number of faults detected in the course of initialization.

EFFECT: elimination of double substitutes and definition of serviceable blocks as faulty ones.

22 cl, 11 dwg

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RU 2 232 437 C2

Authors

Ko Dzung-Van

Dates

2004-07-10—Published

1999-11-10—Filed