(19)

(11)

EP 1 029 391 A1

(12)

(43) Date of publication: 23.08.2000 Bulletin 2000/34 (21) Application number: 98951600.0 (22) Date of filing: 03.11.1998

(51) International Patent Classification (IPC)7: H02K 41/02, H02K 33/16 (86) International application number: PCT/GB9803/298 (87) International publication number: WO 9923/744 (14.05.1999 Gazette 1999/19)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 03.11.1997 GB 9723194 (71) Applicant: ISIS INNOVATION LIMITED Oxford OX1 3UB (GB)	(72) Inventor: DADD, Michael Parks RoadOxford OX1 3PJ (GB) (74) Representative: Perkins, Sarah  Stevens, Hewlett & PerkinsHalton House20/23 Holborn London EC1N 2JD London EC1N 2JD (GB)