G - Physics – 06 – K
Patent
G - Physics
06
K
352/53.76
G06K 7/10 (2006.01)
Patent
CA 2039225
A portable scanning head emits and receives light from a light-emitting diode to read symbols, such as bar-code symbols. The optics within the scanner are operative for focusing a light beam and the view of a light sensor in different planes exteriorly of a scanner housing, Imaging means are provided in the unit for imaging a viewing window. The viewing window has an area smaller than that of the scan spot. The system can employ an LED as a light source and tolerate the relatively large-sized (on the order of millimeters) scan spot without sacrificing reading performance since the photodiode "sees" only that portion of the scan spot visible through the viewing window.
Barkan Edward
Biuso Tony
Goren David P.
Metlitsky Boris
Shepard Howard M.
Barkan Edward
Biuso Tony
Goren David P.
Kirby Eades Gale Baker
Metlitsky Boris
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