Error detection and correction circuit

Details Error detection and correction circuit Error detection and correction circuit

2006-12-26

2006-12-26

Lamarre, Guy J. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S781000, C714S758000, C714S746000, C714S800000, C714S752000, C714S762000, C375S340000, C360S053000, C370S216000

Reexamination Certificate

active

07155659

ABSTRACT:
A signal separation circuit (11) normally outputs a main signal, but outputs a TMCC signal when an error detection and correction unit (4) sets a completion flag. Main signals are input via a selection circuit (3) to an execution unit (4), where error correction of the main signals is performed. The error-corrected main signals are supplied via a switching circuit (8) to a first data output circuit (9). Meanwhile, TMCC signals are input via the selection circuit (3) to an execution unit (4), error correction is carried out to the TMCC signals. The error-corrected TMCC signals are supplied via switching circuit (8) to a second data output circuit (10).

REFERENCES:
patent: 4077565 (1978-03-01), Nibby et al.
patent: 5095417 (1992-03-01), Hagiwara et al.
patent: 5383205 (1995-01-01), Makihara et al.
patent: 5737022 (1998-04-01), Yamaguchi et al.
patent: 6618450 (2003-09-01), Hatta
patent: 06-77844 (1994-03-01), None

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