Patent ID: 7475041
Filing Date: 2009-01-06
Classification: G06Q,G07B

Abstract:
1. A method for generating and printing an indicium on an object, said object having other material printed thereon, said method comprising the steps of: a) obtaining an image of said other printed material, said image being transformed in a manner corresponding to printing and scanning of said material, to generate characterizing information, said characterizing information being selected to fit within said indicium; b) cryptographically authenticating said characterizing information and other information; c) generating said indicium to be representative of said cryptographically authenticated information; d) printing said indicium on said object; and e) said object's relationship to said indicium verified by regenerating said characterizing information from said other printed material and comparing said regenerated characterizing information with characterizing information recovered from said indicium, and copies of said indicium cannot easily be used without detection on other objects which do not include said other printed material.