METHOD AND APPARATUS FOR VARIABLE SPEED SCANNING OF BAR CODES

METHOD AND APPARATUS FOR VARIABLE SPEED SCANNING OF BAR CODES

Method and apparatus are provided for scanning an optically readable code such as a bar code at a variable scanning velocity. Such variable velocity scanning has the effect of normalizing the density of code elements to be scanned thereby eliminating the need for the scanner operator during the cour...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: LOUIS J. FRONTINO
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:Method and apparatus are provided for scanning an optically readable code such as a bar code at a variable scanning velocity. Such variable velocity scanning has the effect of normalizing the density of code elements to be scanned thereby eliminating the need for the scanner operator during the course of bar code decoding to vary the distance between the scanner and the optical code for a predetermined range of code element densities.