Multi-layered information recording medium with spare defect...

Details Multi-layered information recording medium with spare defect... Multi-layered information recording medium with spare defect...

2006-10-17

2006-10-17

Patel, Gautam R. (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

By medium defect indicative control signal

C369S094000, C711S004000

Reexamination Certificate

active

07123556

ABSTRACT:
A multi-layered information recording medium comprising a plurality of recording layers, a user data area for recording user data, provided in at least two of the plurality of recording layers, and a defect list storing area for storing a defect list. When at least one defective area is detected in the user data area, the defect list is used to manage the at least one defective area.

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European Search Report, Application No. EP 03 00 0696, dated Feb. 21, 2003.
Japanese Office Action for corresponding Application No. 2003-001589 dated Jan. 27, 2006.

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