System and method for identifying a spatial code

Details System and method for identifying a spatial code System and method for identifying a spatial code

2006-03-03

2008-10-28

St.Cyr, Daniel (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S491000

Reexamination Certificate

active

07441704

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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patent: WO 96/18972 (1996-06-01), None
patent: WO 2006/053685 (2006-05-01), None

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