Method and apparatus for variable speed scanning of bar codes

Details Method and apparatus for variable speed scanning of bar codes Method and apparatus for variable speed scanning of bar codes

G - Physics

06

K

352/53.74

G06K 7/10 (2006.01) G06K 7/016 (2006.01)

Patent

CA 2032136

2032136 9013875 PCTABS00002 Method and apparatus are provided for scanning an optically readable code such as a bar code (20) at a variable scanning velocity. Such variable velocity scanning has the effect of normalizing the density of code elements (21) to be scanned thereby eliminating the need for the scanner operator during the course of bar code (20) decoding to vary the distance between the scanner (10) and the optical code (20) for a predetermined range of code elements (21) densities.

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