(19)

(11)

EP 1 350 170 A2

(12)

(88) Date of publication A3: 14.11.2002 (43) Date of publication: 08.10.2003 Bulletin 2003/41 (21) Application number: 01994816.5 (22) Date of filing: 19.12.2001

(51) International Patent Classification (IPC)7: G06F 15/02 (86) International application number: PCT/EP0115/059 (87) International publication number: WO 0205/0692 (27.06.2002 Gazette 2002/26)

(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: 20.12.2000 GB 0031133 (71) Applicant: Sema UK Ltd London E14 9SH (GB)	(72) Inventor: JONES, Adrian London E14 9SH (GB) (74) Representative: Weihs, Bruno  Rosenthal & Osha,121, avenue des Champs Elysées 75008 Paris 75008 Paris (FR)