Authentication method and system

Details Authentication method and system Authentication method and system

2011-08-09

2011-08-09

Toatley, Gregory J (Department: 2877)

Optics: measuring and testing

Document pattern analysis or verification

C382S135000

Reexamination Certificate

active

07995196

ABSTRACT:
A method for authenticating an object, comprising determining a physical dispersion pattern of a set of elements, determining a physical characteristic of the set of elements which is distinct from a physical characteristic producible by a transfer printing technology, determining a digital code associated with the object defining the physical dispersion pattern, and authenticating the object by verifying a correspondence of the digital code with the physical dispersion pattern, and verifying the physical characteristic.

REFERENCES:
patent: 7773749 (2010-08-01), Durst et al.
patent: 2005/0038756 (2005-02-01), Nagel

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