(19)

(11)

EP 1 586 031 A2

(12)

(88) Date of publication A3: 23.12.2004 (43) Date of publication: 19.10.2005 Bulletin 2005/42 (21) Application number: 04704390.6 (22) Date of filing: 22.01.2004

(51) International Patent Classification (IPC)7: G06F 9/44 (86) International application number: PCT/US2004/001549 (87) International publication number: WO 2004/066088 (05.08.2004 Gazette 2004/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 23.01.2003 US 350164 04.04.2003 US 407849 (71) Applicant: ELECTRONIC DATA SYSTEMS CORPORATION Plano, TX 75024 (US)	(72) Inventor: SADIQ, Waqar Plano, TX 75025 (US) (74) Representative: Lawrence, John  Barker Brettell, 138 Hagley Road, Edgbaston Birmingham B16 9PW Birmingham B16 9PW (GB)