Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Patent
1993-12-30
1999-09-14
Moise, Emmanuel L.
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
714796, 375262, 375341, 3401462, 326 52, G06F 1110, H03M 1312
Patent
active
059517115
ABSTRACT:
A Hamming distance calculation device (10) includes a bit comparator (12) for determining nonmatching bit positions between two digital words. A current signal is generated for each nonmatching bit position by a nonmatching current generator (14). The current signals created are combined to produce a summed current signal that drives a first reference current comparator (18), a second reference current comparator (20), and an nth reference current comparator (22). The first reference current comparator (18) compares the summed current signal with a reference current signal to produce an output and a select signal that determines a reference current signal used in the second reference current comparator (20). The second reference current comparator (20) compares the summed current signal with a reference current signal as selected by the first reference current comparator (18) and produces an output in response thereof. The Nth reference current comparator (22) compares the summed current signal with a reference current signal as selected by the previous reference current comparator (20) and produces an output in response thereof. Each reference current comparator provides an output that collectively establish a digital output word indicating the Hamming distance between the two input digital words.
REFERENCES:
patent: 2885149 (1959-05-01), Clapper
patent: 3656109 (1972-04-01), Conway
patent: 4119946 (1978-10-01), Taylor
patent: 5046019 (1991-09-01), Basehore
patent: 5148431 (1992-09-01), Hayashi
patent: 5218562 (1993-06-01), Basehore et al.
patent: 5272657 (1993-12-01), Basehore et al.
Selviah, D.R. et al; Extension of the Hamming Neural Network to a Multilayer Architecture for Optical Implementation; Artificial Neural Networks, 1989.
Mahant-Shetti Shivaling S.
Pawar Vivek G.
Brady W. James
Donaldson Richard L.
Hoel Carlton H.
Moise Emmanuel L.
Texas Instruments Incorporated
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