US 7,469,828 B2
Configuration system and method
Peter C. Baker, Minneapolis, Minn. (US); and Eric Roach, North Oaks, Minn. (US)
Assigned to Computype, Inc., St. Paul, Minn. (US)
Filed on May 20, 2005, as Appl. No. 11/134,065.
Prior Publication US 2006/0261158 A1, Nov. 23, 2006
Int. Cl. G06F 19/00 (2006.01)
U.S. Cl. 235—385  [235/383] 19 Claims
OG exemplary drawing
 
1. An authentication method comprising:
reading a random covert identifier associated with a product;
reading a unique overt identifier associated with the product; and
combining the random covert identifier with the unique overt identifier to authenticate the product to form a pair of identifiers; and
comparing the unique overt identifier and the random covert identifier respectively to a unique overt number and a random covert number stored in a database, wherein the unique overt identifier is not a function of the random covert identifier.