(19)

(11)

EP 1 002 285 A1

(12)

(43) Date of publication: 24.05.2000 Bulletin 2000/21 (21) Application number: 98937896.3 (22) Date of filing: 12.08.1998

(51) International Patent Classification (IPC)7: G06F 17/30 (86) International application number: PCT/NZ9800/121 (87) International publication number: WO 9908/208 (18.02.1999 Gazette 1999/07)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.08.1997 NZ 32853897 (71) Applicant: Aoraki Corporation Limited Christchurch (NZ)	(72) Inventor: SEGARAN, Chendra Christchurch (NZ) (74) Representative: Brunner, Michael John  GILL JENNINGS & EVERYBroadgate House7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)