(19)

(11)

EP 1 161 784 A1

(12)

(43) Date of publication: 12.12.2001 Bulletin 2001/50 (21) Application number: 00911035.4 (22) Date of filing: 20.03.2000

(51) International Patent Classification (IPC)7: H02B 1/30 (86) International application number: PCT/GB0000/950 (87) International publication number: WO 0055/951 (21.09.2000 Gazette 2000/38)

(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: 18.03.1999 GB 9906082 (71) Applicant: Mektron Systems Limited Bedford MK42 9TW (GB)	(72) Inventors: DAY, Ian, James Wootton,Northampton NN4 6AU (GB) EVANS, James, Patrick Old Farm Park,Milton Keynes MK6 8PG (GB) (74) Representative: Burrows, Anthony Gregory  Business Centre WestAvenue One, Business Park Letchworth Garden CityHertfordshire SG6 2HB Letchworth Garden CityHertfordshire SG6 2HB (GB)