Binarizing circuit and bar-code reader using such

Details Binarizing circuit and bar-code reader using such Binarizing circuit and bar-code reader using such

1995-05-30

1997-02-04

Pitts, Harold

Registers

Coded record sensors

Particular sensor structure

235463, G06K 710

Patent

active

056001185

ABSTRACT:
A binarizing circuit includes a binary signal generating unit for generating a binary signal from an input signal, supplied from an external unit, in accordance with a processing characteristic, a detecting unit for detecting a state of the input signal, and a control unit for controlling, based on the state of the input signal detected by the detecting unit, the processing characteristic in accordance with which the binary signal generating unit generates the binary signal from the input signal. The bar-code reader includes a reading unit for optically reading an article on which a bar code is formed, the above binarizing circuit, and a decoding unit for decoding the binary signal output from the binarizing circuit so that data represented by the bar code is obtained.

REFERENCES:
patent: 5168148 (1992-12-01), Giebel

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