(19)

(11)

EP 1 851 688 A2

(12)

(88) Date of publication A3: 18.05.2007 (43) Date of publication: 07.11.2007 Bulletin 2007/45 (21) Application number: 06701670.9 (22) Date of filing: 02.02.2006

(51) International Patent Classification (IPC):  G06K 19/00(2006.01) G06K 19/06(2006.01) (86) International application number: PCT/IL2006/000131 (87) International publication number: WO 2006/085300 (17.08.2006 Gazette 2006/33)

(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 NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 14.02.2005 IL 16686105 10.05.2005 US 125183 (71) Applicant: Aladdin Knowledge Systems, Ltd. Tel Aviv 61110 (IL)	(72) Inventors: MARGALIT, Yanki Ramat Gan (IL) MARGALIT, Dany Ramat Gan (IL) (74) Representative: Papa, Elisabetta et al Società Italiana Brevetti S.p.A Piazza di Pietra, 38-39 00186 Roma 00186 Roma (IT)