(19)

(11)

EP 1 969 531 A2

(12)

(88) Date of publication A3: 29.11.2007 (43) Date of publication: 17.09.2008 Bulletin 2008/38 (21) Application number: 06848773.5 (22) Date of filing: 21.12.2006

(51) International Patent Classification (IPC):  G06K 19/07(2006.01) G06K 19/077(2006.01) (86) International application number: PCT/US2006/062520 (87) International publication number: WO 2007/076456 (05.07.2007 Gazette 2007/27)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 28.12.2005 US 321833 28.12.2005 US 320915 (71) Applicant: Sandisk Corporation Milpitas, CA 95035 (US)	(72) Inventors: JOGAND-COULOMB, Fabrice San Carlos, California 94070 (US) PINTO, Yosi 25147 Kfar-vradim (IL) (74) Representative: Hitchcock, Esmond Antony  Marks & Clerk 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)