(19)

(11)

EP 1 214 627 A1

(12)

(43) Date of publication: 19.06.2002 Bulletin 2002/25 (21) Application number: 01917265.9 (22) Date of filing: 30.03.2001

(51) International Patent Classification (IPC)7: G03B 17/53 (86) International application number: PCT/GB0101/468 (87) International publication number: WO 0175/519 (11.10.2001 Gazette 2001/41)

(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: 01.04.2000 GB 0007975 (71) Applicant: Nemesis Group PLC Chichester,Sussex P019 1SD (GB)	(72) Inventors: WILSON, Nicholas, James Sussex BN16 4JH (GB) COKER, James, David Surrey RH9 5EW (GB) (74) Representative: Butler, Lance et al Barker Brettell10-12 Priests Bridge London SW15 5JE London SW15 5JE (GB)