Data reproduction device

Details Data reproduction device Data reproduction device

2006-08-08

2006-08-08

Torres, Joseph (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07089482

ABSTRACT:
A data reproduction device in conformity to Viterbi decoding includes an inverted-selected path generation part for receiving a selected path and an inverted candidate, selecting and modifying the selected path corresponding to the inverted candidate so as to produce a inverted-selected path that is an inverted version of the selected path, and outputting a number of the inverted-selected paths in parallel, the number corresponding to a number of the inverted candidates selected for the selected path of a predetermined data length and a second candidate data generation part for generating second candidate data from the inverted candidate. The device further includes a data selection part for selecting between the first and the second candidate data based on error detecting results.

REFERENCES:
patent: 4015238 (1977-03-01), Davis
patent: 5905742 (1999-05-01), Chennakeshu et al.
patent: 6788750 (2004-09-01), Reuven et al.
patent: 11-330985 (1999-11-01), None
Japanese Office Action issued in priority Japanese Application No. 2001-336802 dated Mar. 28, 2006.

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