Authentication system and method

An authentication system using a correlator that correlates an input with a reference wherein at least one of the input and reference comprises a phase volume mask having structures, preferably points, that are each less than about six microns in size and can have an aspect ratio (AR) greater than 1...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Kostrzewski, Andrew A, Savant, Gajendra D, Jannson, Tomasz P, Jannson, Joanna L
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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