(19)

(11)

EP 1 334 430 A2

(12)

(88) Date of publication A3: 20.06.2002 (43) Date of publication: 13.08.2003 Bulletin 2003/33 (21) Application number: 01975570.1 (22) Date of filing: 28.09.2001

(51) International Patent Classification (IPC)7: G06F 11/30, G06F 15/16, G06F 15/177, G06F 15/173 (86) International application number: PCT/US0130/488 (87) International publication number: WO 0202/7997 (04.04.2002 Gazette 2002/12)

(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: 29.09.2000 US 675708 (71) Applicant: ELECTRONIC DATA SYSTEMS CORPORATION Plano, TX 75024 (US)	(72) Inventors: MCMULLAN, Scott, R. San Diego, CA 92117 (US) MEAGHER, David, M. San Diego, CA 92117 (US) (74) Representative: Lawrence, John  Barker Brettell 138 Hagley RoadEdgbaston Birmingham B16 9PW Birmingham B16 9PW (GB)