LONG RANGE BARCODE SCANNING THROUGH CONVERSION OF COHERENT LIGHT

A method of optically scanning indicia on an object includes providing a coherent light source for illuminating the object with coherent light. The object is marked with indicia including a first feature and a second feature, with the first feature including reflection of coherent light and said sec...

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Bibliographic Details
Main Author Rueb, Kurt D
Format Patent
LanguageEnglish
Published 13.02.2020
Subjects
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Summary:A method of optically scanning indicia on an object includes providing a coherent light source for illuminating the object with coherent light. The object is marked with indicia including a first feature and a second feature, with the first feature including reflection of coherent light and said second feature including emittance of non-coherent light when illuminated. An imaging device is capable of distinguishing coherent light from non-coherent light. The indicia are illuminated with coherent light generated by the coherent light source causing the indicia to reflect coherent light and emit non-coherent light. The coherent light is distinguished from the non-coherent light emitted from the indicia by a controller for identifying a pattern of one of said first feature and said second feature.
Bibliography:Application Number: US201916536771