Bar cord information input confirming method

Details Bar cord information input confirming method Bar cord information input confirming method

1987-09-04

1988-05-03

Atkinson, Charles E.

Excavating

235437, G06F 1110

Patent

active

047425210

ABSTRACT:
A method and apparatus for confirming bar code information in a bar code printer. The information to be printed includes informational digits and two check digits. The first check digit is manually inputted by the operator along with the informational digits. The second check digit is automatically calculated and should have the same value as the first check digit. The data is further confirmed by comparing the first check digit with a calculated value obtained by performing an automatic calculation based on the informational digits.

REFERENCES:
patent: 2888199 (1959-05-01), Reumermann et al.
patent: 3098994 (1963-07-01), Brown, Jr.
patent: 3418630 (1968-12-01), Van Duuren
patent: 3753227 (1973-08-01), Patel
patent: 4085670 (1978-04-01), Poole
patent: 4265173 (1981-05-01), Takahashi et al.
patent: 4440248 (1984-04-01), Teraoka

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