Patent ID: 7865722
Filing Date: 2011-01-04
Classification: G06K

Abstract:
1. A method of identifying an object having identification information, and wherein said identification information is used to verify the identity of the object, said method comprising: (a) determining at least one characteristic of a magnetic field of at least a portion of a tag, thereby obtaining a first specific magnetic signal, wherein the tag comprises (i) a host material inherently having a disordered plurality of pores on a surface thereof, said pores having a size of at least 10 nm, said host material being at least substantially non-magnetic, and (ii) a magnetic material positioned within at least some of the inherently existing disordered plurality of pores, wherein the specific magnetic signal providing identification information for the object represents the disorder of the plurality of pores, and (b) storing signal information relating to said first specific magnetic signal, said stored signal information forming the identification information of the object.