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1 February 1981 Omnidirectional Laser Scanner For Supermarkets
Paul. S. Wu, Jagdish C. Tandon
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Optical Engineering, Vol. 20, Issue 1, 201123 (February 1981). https://doi.org/10.1117/12.7972675
Abstract
A laser scanner for reading the Universal Product Code on grocery packages in a supermarket checkout lane is described. The problems associated with reading five sides (bottom and four sides) of a package are discussed in terms of the bit-rate, spot-size, and angle of incidence variations in different orientations. The optics, detection, signal processing, and decoding are also described.
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Paul. S. Wu and Jagdish C. Tandon "Omnidirectional Laser Scanner For Supermarkets," Optical Engineering 20(1), 201123 (1 February 1981). https://doi.org/10.1117/12.7972675
Published: 1 February 1981
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Cited by 2 scholarly publications.
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KEYWORDS
Laser scanners
Signal detection
Signal processing
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