(19)

(11)

EP 1 488 358 A2

(12)

(88) Date of publication A3: 05.02.2004 (43) Date of publication: 22.12.2004 Bulletin 2004/52 (21) Application number: 02807144.7 (22) Date of filing: 22.03.2002

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/US2002/009106 (87) International publication number: WO 2003/083602 (09.10.2003 Gazette 2003/41)

(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 (71) Applicant: Integral Development Corporation Mountain View, CA 94043 (US)	(72) Inventors: Sandhu, Harpal S. Palo Alto, CA 94301 (US) Tolat, Viral V. Menlo Park, CA 94025 (US) Rees, Stephen Sneyd Park,Bristol BS9 1QU (GB) (74) Representative: Johansson, Lars E.  Hynell Patenttjänst ABPatron Carls Väg 2 683 40 Hagfors/Uddeholm 683 40 Hagfors/Uddeholm (SE)