(19)

(11)

EP 1 836 640 A2

(12)

(88) Date of publication A3: 23.11.2006 (43) Date of publication: 26.09.2007 Bulletin 2007/39 (21) Application number: 05855098.9 (22) Date of filing: 21.12.2005

(51) International Patent Classification (IPC):  G06F 21/02(2006.01) (86) International application number: PCT/US2005/046478 (87) International publication number: WO 2006/069194 (29.06.2006 Gazette 2006/26)

(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 (30) Priority: 21.12.2004 US 638804 P 20.12.2005 US 314410 20.12.2005 US 314411 (71) Applicants: SanDisk Corporation Milpitas, CA 95035 (US) Discretix Technologies Ltd. 8718 Netanya (IL)	(72) Inventors: JOGAND-COULOMB, Fabrice San Carlos, California 94070 (US) HOLTZMAN, Michael Cupertino, CA 95014 (US) QAWAMI, Bahman San Jose, California 95138 (US) BARZILAI, Ron 25147 Cfar-vradim (IL) HAGAI, Bar-el 76574 Rehovot (IL) (74) Representative: Frost, Alex John  Boult Wade Tennant, Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)