System for accepting wide ranges of universal product code syste

Details System for accepting wide ranges of universal product code syste System for accepting wide ranges of universal product code syste

1976-05-20

1977-07-12

Cook, Daryl W.

Registers

Calculators

Input-output calculator to indicator, printer, etc.

250555, 3401463F, 329106, G06K 710, G08C 906, G06K 918, H03K 908

Patent

active

040356159

ABSTRACT:
The invention pertains to an optical scanning technique which is capable of reading and accepting a wide range of out-of-tolerance symbols. The technique provides that if a successful scan occurs, the signal circuits maintain a status that indicates a true signal is being processed. However, if an unsuccessful scan takes place the signal circuits introduce a distortion therein in order that the symbol may be read successfully.

REFERENCES:
patent: 3890597 (1975-06-01), Hanchett
patent: 3893077 (1975-07-01), Myren
patent: 3916154 (1975-10-01), Hare et al.
patent: 4000397 (1976-12-01), Hebert et al.

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