(19)

(11)

EP 1 386 281 A1

(12)

(43) Date of publication: 04.02.2004 Bulletin 2004/06 (21) Application number: 02729063.4 (22) Date of filing: 30.04.2002

(51) International Patent Classification (IPC)7: G06K 9/00 (86) International application number: PCT/US2002/013548 (87) International publication number: WO 2002/089043 (07.11.2002 Gazette 2002/45)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 30.04.2001 US 287525 P 31.12.2001 US 345898 P (71) Applicant: YEDA RESEARCH AND DEVELOPMENT CO. LTD. Rehovot 76100 (IL)	(72) Inventors: ULLMAN, Shimon 76100 Rehovot (IL) ZUR, Dror 46485 Herzlia (IL) (74) Representative: Rapp, Bertram, Dr.  Charrier Rapp & LiebauPatentanwältePostfach 31 02 60 86063 Augsburg 86063 Augsburg (DE)