Apparatus for recording and regenerating data

Details Apparatus for recording and regenerating data Apparatus for recording and regenerating data

2005-07-05

2005-07-05

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

C360S065000, C714S795000, C375S341000

Reexamination Certificate

active

06914737

ABSTRACT:
In an apparatus for recording and regenerating data, a pass metric is calculated based on a likelihood converted from a previous calculation result iteratively until all pass metrics of the same data recorded many times on a recording medium are calculated, and then data recorded on the recording medium is decoded.

REFERENCES:
patent: 5291524 (1994-03-01), Itakura et al.
patent: 5432820 (1995-07-01), Sugawara et al.

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