Patent Number:
7,089,420
Title:
Authentication method and system
Abstract:
The present invention provides a method and apparatus for the production and labeling of objects in a manner suitable for the prevention and detection of counterfeiting. Thus, the system incorporates a variety of features that make unauthorized reproduction difficult. In addition, the present invention provides an efficient means for the production of labels and verification of authenticity, whereby a recording apparatus which includes a recording medium, having anisotrophic optical domains, along with a means for transferring a portion of the recording medium to a carrier, wherein a bulk portion of the recording medium has macroscopically detectable anisotrophic optical properties and the detecting apparatus thereon.
Inventors:
Durst; David I. (Syosset, NY), Kaish; Norman (Whitestone, NY), Fraser; Jay (Merrick, NY)
Assignee:
Tracer Detection Technology Corp.
International Classification:
G09C 5/00 (20060101); H04L 9/32 (20060101)
Expiration Date:
8/08/02018