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EP 2 016 532 A1

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(43) Date of publication: 21.01.2009 Bulletin 2009/04 (21) Application number: 07719704.4 (22) Date of filing: 04.05.2007

(51) International Patent Classification (IPC):  G06K 9/78(2006.01) G01N 23/04(2006.01) G06K 9/74(2006.01) G01N 21/90(2006.01) G01N 23/10(2006.01) G06K 9/80(2006.01) (86) International application number: PCT/CA2007/000779 (87) International publication number: WO 2007/131328 (22.11.2007 Gazette 2007/47)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 11.05.2006 US 431627 11.05.2006 CA 2546296 (71) Applicant: Optosecurity Inc. Québec QC G1P 4S9 (CA)

(72) Inventors: PERRON, Luc Charlesbourg, Quebec G2L 1A1 (CA) BOUCHARD, Michel, R. G3A 2B9 - Saint-Augustin-de-desmaures, Quebec (CA) XU, Chen G1V 4Z9 (CA) ROY, Sébastien G1P 4G5 (CA) BERGERON, Alain Sainte-Foy, Québec G1W 1T2 (CA) BERGERON, Eric Quebec, Quebec G1S 3E1 (CA) (74) Representative: Callon de Lamarck, Jean-Robert  Cabinet Regimbeau 20 rue de Chazelles 75847 Paris cedex 17 75847 Paris cedex 17 (FR)