(19)

(11)

EP 1 008 040 A2

(12)

(88) Date of publication A3: 21.10.1999 (43) Date of publication: 14.06.2000 Bulletin 2000/24 (21) Application number: 97949014.1 (22) Date of filing: 19.12.1997

(51) International Patent Classification (IPC)7: G06F 9/44 (86) International application number: PCT/GB9703/374 (87) International publication number: WO 9828/682 (02.07.1998 Gazette 1998/26)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 20.12.1996 GB 9626576 (71) Applicant: Honeywell Oy 023020 Espoo 32 (FI)	(72) Inventor: BACON, Paul FIN-78310 Varkaus (FI) (74) Representative: Powell, Timothy John et al Eric Potter Clarkson,Park View House,58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)