Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gary A. Ross0
Date of Patent
October 28, 2008
0Patent Application Number
113679740
Date Filed
March 3, 2006
0Patent Primary Examiner
Patent abstract
A system and method are provided for identifying a one- or multi-dimensional spatial code comprising a plurality of security tags with one or more characteristic emission profiles. The spatial codes are identified on the basis of the combined spatial and spectral information. The system for identifying such spatial codes is comprised of a beam source, a detector, and a processor. The method includes illuminating the code, recording the light emission at a plurality of wavelengths, decoding the spatial information, resolving the spectral profiles, and identifying the code based on the spatial and spectral information. The system and method are applicable to validating a spatial code.
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