Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – By medium defect indicative control signal
Reexamination Certificate
2006-04-18
2006-04-18
Tran, Thang V. (Department: 2653)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
By medium defect indicative control signal
C369S053170, C714S701000, C714S710000
Reexamination Certificate
active
07031239
ABSTRACT:
An information recording medium 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 a header located at a fixed position in the defect list, N number of defect entries respectively including position information on positions of the N number of defect areas, and an anchor. The header, the N number of defect entries, and the anchor are located in this order. The header includes a defect list identifier for identifying the defect list, first update times information, and a defect entry number representing the number of the defect entries. The anchor includes an anchor identifier for identifying the anchor, and second update times information.
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European Search Report for corresponding Application No. EP 03 00 5475, mailed Nov. 16, 2004.
Ito Motoshi
Takahashi Yoshihisa
Ueda Hiroshi
Goma Tawfik
Matsushita Electric - Industrial Co., Ltd.
Renner , Otto, Boisselle & Sklar, LLP
Tran Thang V.
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