×

Method of identifying and authenticating products using an identification pattern and a bar code reader

  • US 7,204,421 B2
  • Filed: 10/27/2004
  • Issued: 04/17/2007
  • Est. Priority Date: 10/27/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method for authenticating an object, the steps of the method comprising:

  • providing a substrate coupled to the product that includes identification particles;

    imaging a region of interest of the substrate to identify identification particles;

    for identified identification particles in the region of interest, calculating a mathematical value representative of a position of the particle relative to at least one other identification particle;

    converting the mathematical values of the identified identification particles into an identification value representative of the identified identification particles; and

    comparing the identification value with a second identification value to authenticate the object.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×