(19)

(11)

EP 2 304 646 A1

(12)

(43) Date of publication: 06.04.2011 Bulletin 2011/14 (21) Application number: 09770858.0 (22) Date of filing: 23.06.2009

(51) International Patent Classification (IPC):  G06K 9/20(2006.01) (86) International application number: PCT/US2009/048222 (87) International publication number: WO 2009/158324 (30.12.2009 Gazette 2009/53)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 23.06.2008 US 74857 P 13.02.2009 US 152402 P (71) Applicant: Graphic Security Systems Corporation Lake Worth, FL 33467 (US)	(72) Inventors: ALASIA, Alfred, V. Wellington FL 33449 (US) ALASIA, Alfred, J. Royal Palm Beach FL 33411 (US) ALASIA, Thomas, C. Wellington FL 33449 (US) CVETKOVIC, Slobodan Lake Worth FL 33467 (US) ILIC, Igor Boca Raton FL 33433 (US) (74) Representative: Ashton, Gareth Mark et al Baron Warren Redfern 19 South End Kensington London W8 5BU Kensington London W8 5BU (GB)