Means and method of scaling time interval measurements from an o

Details Means and method of scaling time interval measurements from an o Means and method of scaling time interval measurements from an o

1985-11-15

1988-08-02

Trafton, David L.

Registers

Coded record sensors

Particular sensor structure

235466, 235470, 235472, G06K 710

Patent

active

047615443

ABSTRACT:
A bar code decoder transforms the output from a wand scanner so that it has the same characteristics as the output from a laser scanner. Once this transformation is accomplished, decoding is done using the same process and hardware to decode wand or laser scanner data. The transformation includes scaling and compensation of the wand data by a digital filter in which the input values are divided by a dynamic scaling factor to produce the output values.

REFERENCES:
patent: 3864548 (1975-02-01), O'Neil et al.
patent: 4578570 (1986-03-01), Mazumder et al.

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