Apparatus and method for searching for defective address of...

Details Apparatus and method for searching for defective address of... Apparatus and method for searching for defective address of...

2005-06-14

2005-06-14

Edun, Muhammad (Department: 2655)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S047100, C369S059100, C369S053150, C369S053420

Reexamination Certificate

active

06906989

ABSTRACT:
An apparatus for searching for defective address of recording medium includes a recording unit, a converter, and a comparator. The recording unit is configured to record a defect list recorded in an recording medium using physical addresses. The defect list includes defective addresses indicating the addresses of defects present in the recording medium, and the defective addresses are described using physical addresses. The converter is configured to convert a request address received in an access command to the recording medium from a logical address to a physical address. The comparator is configured to compare the defective address in the defect list recorded in the recording unit with the request address that has been converted into the physical address. A defective address present immediately after the request address is searched for on the basis of the comparison result of the comparator.

REFERENCES:
patent: 4434487 (1984-02-01), Rubinson et al.
patent: 5319627 (1994-06-01), Shinno et al.
patent: 6167461 (2000-12-01), Keats et al.
patent: 6249884 (2001-06-01), Joo

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