Method and system for updating mapping flag in optical...

Details Method and system for updating mapping flag in optical... Method and system for updating mapping flag in optical...

2006-07-04

2006-07-04

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C369S053170

Reexamination Certificate

active

07073091

ABSTRACT:
This invention is for updating a straight mapping flag in an optical recording medium having defect table blocks (DTBs) in a detect table (DT). When data that should be recorded in a predetermined block in one data area is later recorded in a replacement block in one spare area because the predetermined block is defective, record associated information in a entry in one DTB, and the entry is marked as recorded and sequentially arranged. Determine an examining sequence of the DTBs with a predetermined block-sequence determination procedure and perform a predetermined block-examining procedure to the DTBs one by one with the determined examining sequence. Examine whether the DTB comprises any recorded entries. Examine the recorded entries with a predetermined entry-examining procedure, to acquire the associated information of the defective blocks in recorded entries and update the corresponding straight mapping flag to be non-straight mapping based on the acquired associated information.

REFERENCES:
patent: 5526335 (1996-06-01), Tamegai
patent: 2001/0021983 (2001-09-01), Ono et al.
patent: 2004/0073832 (2004-04-01), Ko
patent: 2005/0166088 (2005-07-01), Yamagami et al.

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