US 6,983,048 B2
Multi-section decoding lens
Alfred V. Alasia, Lake Worth, Fla. (US); Thomas C. Alasia, Lake Worth, Fla. (US); and Alfred J. Alasia, Royal Palm Beach, Fla. (US)
Assigned to Graphic Security Systems Corporation, Lake Worth, Fla. (US)
Filed on Jun. 06, 2002, as Appl. No. 10/165,162.
Prior Publication US 2003/0228014 A1, Dec. 11, 2003
Int. Cl. G09C 1/04 (2006.01)
U.S. Cl. 380—54 15 Claims
OG exemplary drawing
 
1. An authenticity verification apparatus comprising;
a lens including at least a first section and a second section, each said section containing distinct lenticular parameters,
said first section being constructed and arranged for decoding a first encoded latent image;
said second section being constructed and arranged for decoding a second encoded latent image;
whereby the authenticity of an object containing plural latent images, each defined by a distinct set of lenticular parameters, may be verified.