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