(19)

(11)

EP 1 476 871 A2

(12)

(88) Date of publication A3: 04.09.2003 (43) Date of publication: 17.11.2004 Bulletin 2004/47 (21) Application number: 03734770.5 (22) Date of filing: 31.01.2003

(51) International Patent Classification (IPC)7: G11B 33/04, G11B 23/023 (86) International application number: PCT/GB2003/000432 (87) International publication number: WO 2003/065375 (07.08.2003 Gazette 2003/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 01.02.2002 GB 0202424 (71) Applicant: ORIGGIO LIMITED Holmfirth,Huddersfield,Yorkshire HD7 1JT (GB)	(72) Inventor: HUTCHEON, Morag Melbourn,Hertfordshire SG8 6DX (GB) (74) Representative: Brunner, Michael John  GILL JENNINGS & EVERY,Broadgate House,7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)