Bar code converter

Details Bar code converter Bar code converter

1977-10-03

1979-03-27

Cook, Daryl W.

Registers

Coded record sensors

Particular sensor structure

235494, G06K 714, G06K 1906

Patent

active

041461754

ABSTRACT:
Bar codes imprinted or otherwise applied to an object are read and decoded by focusing light reflected from the code by means of an object lens to a light responsive transducer. Electrical signals produced by the transducer are correlated and converted from a trinary code format into a binary code format. The trinary code utilizes bars and half bars made up of segments in one or more of four quadrants to represent a decimal equivalent number. This trinary code is applied to a converter where logic converts the trinary signals into equivalent binary signals which are then translated from a serial format into a parallel format for further processing by conventional binary code processors.

REFERENCES:
patent: 3529133 (1970-09-01), Kent et al.
patent: 3708655 (1973-01-01), Schanne
patent: 3780270 (1973-12-01), Faulkner et al.
patent: 3790756 (1974-02-01), Graves et al.
patent: 3868634 (1975-02-01), Dolch

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