Comparator unit for data discrimination

Details Comparator unit for data discrimination Comparator unit for data discrimination

1989-03-17

1990-09-18

Harkcom, Gary V.

Communications: electrical

Digital comparator systems

G06F 704

Patent

active

049581406

ABSTRACT:
A comparator unit for discriminating input data bit groups has a first logical circuit to compare an input data bit group with a reference data bit group and produce a consistent data bit group or an inconsistent data bit group. A second logical circuit responds to a masking data bit group and converts the inconsistent data bit group into the consistent data bit group when the masking data bit group specifies a part of the input data bits where the inconsistency takes place. Therefore, a plurality of predetermined data bit groups are detectable on the basis of the single reference data bit group.

REFERENCES:
patent: 4012714 (1977-03-01), Lohmann
patent: 4031511 (1977-06-01), Britton
patent: 4255740 (1981-03-01), Ferrie
patent: 4857882 (1989-08-01), Wagner et al.

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