(19)

(11)

EP 1 328 873 A1

(12)

(43) Date of publication: 23.07.2003 Bulletin 2003/30 (21) Application number: 01927060.2 (22) Date of filing: 10.04.2001

(51) International Patent Classification (IPC)7: G06F 17/21 (86) International application number: PCT/US0112/343 (87) International publication number: WO 0201/9154 (07.03.2002 Gazette 2002/10)

(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: 29.08.2000 US 650976 (71) Applicant: Contivo, Inc. Montain View, CA 94043 (US)	(72) Inventor: LINDSAY, Walter San Jose, CA 95123 (US) (74) Representative: W.P. Thompson & Co.  Coopers Building,Church Street Liverpool L1 3AB Liverpool L1 3AB (GB)