(19)

(11)

EP 1 281 143 A1

(12)

(43) Date of publication: 05.02.2003 Bulletin 2003/06 (21) Application number: 01923248.7 (22) Date of filing: 10.04.2001

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/US0111/633 (87) International publication number: WO 0108/0121 (25.10.2001 Gazette 2001/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 12.04.2000 US 547967 (71) Applicant: ELECTRONIC DATA SYSTEMS CORPORATION Plano, TX 75024 (US)	(72) Inventors: HASAN, Sibty Dallas, TX 75243 (US) MCLEMORE, Sandra, A. Frisco, TX 75035 (US) TENEYCK, Dirk, A. Garland, TX 75040 (US) (74) Representative: Beresford, Keith Denis Lewis et al 2-5 Warwick CourtHigh Holborn London WC1R 5DH London WC1R 5DH (GB)