Information recording medium, recording apparatus,...

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – By medium defect indicative control signal

Reexamination Certificate

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Details

C369S053170, C714S701000, C714S710000

Reexamination Certificate

active

07630281

ABSTRACT:
An information recording medium is provided that includes a data area for recording user data and a defect management area for recording a defect list for managing N number of defect areas existing in the data area, where N is an integer satisfying N≧0. The defect list includes two or more blocks, and further includes a header located at a fixed position in the defect list and N number of defect entries, located subsequent to the header, including position information on the respective positions of the N number of defect areas. An anchor is located subsequent to the defect entries, and the header includes first update times information representing the number of times that the defect list has been updated. The anchor includes second update times information representing the number of times that the defect list has been updated.

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European Search Report for corresponding Application No. EP 03 00 5475, mailed Nov. 16, 2004.

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