Method and apparatus for error correction of read data in a...

Details Method and apparatus for error correction of read data in a... Method and apparatus for error correction of read data in a...

2007-10-16

2007-10-16

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S765000, C714S763000

Reexamination Certificate

active

10448329

ABSTRACT:
A disk drive comprising a read channel including a decoder and an EP unit, and a disk controller including an error correction unit is disclosed. The EP unit generates error positional information showing an error position among data output from the decoder. The disk controller has an EP buffer memory accumulating the error positional information. The error correction unit executes error correction by using highly accurate error positional information from the EP buffer memory.

REFERENCES:
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patent: 6088825 (2000-07-01), Ikushima et al.
patent: 7171607 (2007-01-01), Tsunoda
patent: 2003/0066017 (2003-04-01), Kuwamura
patent: 0782138 (1997-07-01), None
patent: 62-236185 (1987-10-01), None
patent: 11-163739 (1999-06-01), None
patent: 2001-67783 (2001-03-01), None
Austrian Search Report dated Nov. 30, 2004 for Appln. No. 200303246-3.

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