Check digit generation and verification apparatus

Details Check digit generation and verification apparatus Check digit generation and verification apparatus

1975-10-10

1977-12-27

Dildine, Jr., R. Stephen

Communications: electrical

Digital comparator systems

H03K 1334, G06F 1110, G06K 502, H04L 110

Patent

active

040657523

ABSTRACT:
The specification discloses a check digit verification apparatus having the following novel concepts

REFERENCES:
patent: 3384902 (1968-05-01), Schroder
patent: 3544776 (1970-12-01), Fischer

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