Method for the evaluation of information stored in bar codes

Details Method for the evaluation of information stored in bar codes Method for the evaluation of information stored in bar codes

1997-02-06

1999-06-29

Le, Thien Minh

Registers

Coded record sensors

Readout control

23546229, 23546226, G06K 710

Patent

active

059171707

ABSTRACT:
A method for the evaluation of information stored in bar codes composed of characters is proposed, in which the bar code is exposed to light by means of a light source and the light reflected from the bar code is detected by means of a light receiving device during a relative movement between the bar code and the light receiving device in a scanning operation. The method is distinguished by the fact that the acceleration (a) of the relative movement during the scanning operation is assumed to be constant and can assume different values.

REFERENCES:
patent: 3959626 (1976-05-01), Vinal
patent: 4335303 (1982-06-01), Call
patent: 5047618 (1991-09-01), Kobayashi
patent: 5369260 (1994-11-01), Schuessler
patent: 5420849 (1995-05-01), Matsueda

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