Polymer beads with material forming optical scannable indicia used in coatings applied to CDs and DVDs for authentication and anti-counterfeiting

encoded symbol labels for articles of manufacture

DISCS AND MAGNETIC TAPES CONTAINING PROGRAMS FOR DEVELOPING CODES, AND CODES ENCRYPTED ON ARTICLES OF MANUFACTURE

ELECTRONIC SCANNING SYSTEM FOR INSPECTING CODE BEARING ARTICLES, SUCH AS PACKAGES, LABELS, OR OTHER ITEMS