(19)

(11)

EP 1 238 265 A2

(12)

(88) Date of publication A3: 21.03.2002 (43) Date of publication: 11.09.2002 Bulletin 2002/37 (21) Application number: 00976149.5 (22) Date of filing: 17.11.2000

(51) International Patent Classification (IPC)7: G01N 23/20 (86) International application number: PCT/GB0004/361 (87) International publication number: WO 0104/4792 (21.06.2001 Gazette 2001/25)

(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: 16.12.1999 GB 9929701 (71) Applicant: The Secretary of State for Defencein Her Britannic Majesty's Government ofThe United Kingdom of Great Britain Salisbury,Wiltshire SP4 0JQ (GB)	(72) Inventors: CARTER, Tony Sevenoaks,Kent TN14 7BP (GB) JUPP, Ian David Kent TN14 7BP (GB) DERMODY, Geraint Spencer Kent TN14 7BP (GB) BOYD, Andrew James Kent TN14 7BP (GB) BURROWS, John David Kent TN14 7BP (GB) (74) Representative: Skelton, Stephen Richard et al D/IPR Formalities Section,Poplar 2,MOD Abbey Wood, nr. 2218 Bristol BS34 8JH Bristol BS34 8JH (GB)