Bar code recognition apparatus

Details Bar code recognition apparatus Bar code recognition apparatus

1983-06-15

1985-08-06

Trafton, David L.

Registers

Coded record sensors

Particular sensor structure

382 12, G06K 710

Patent

active

045338256

ABSTRACT:
A bar code recognition apparatus comprises a manual scanner for reading each code bar, a comparison circuit for comparing a width value detection signal to a reference value to produce a width value amplitude comparison signal, a ratio circuit for making a ratio between one and another of said width value detection signals to produce a ratio signal, and a character decoder for decoding the comparison signal and the ratio signal. Accordingly, one character output is provided corresponding to the width value detection signal of a detected code bar.

REFERENCES:
patent: 3988573 (1976-10-01), Hayosh et al.
patent: 4354101 (1982-10-01), Hester et al.
patent: 4379224 (1983-04-01), Engstrom

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