(19)

(11)

EP 1 163 674 A1

(12)

(43) Date of publication: 19.12.2001 Bulletin 2001/51 (21) Application number: 00908829.5 (22) Date of filing: 14.03.2000

(51) International Patent Classification (IPC)7: G11B 33/04, G11B 23/02 (86) International application number: PCT/AU0000/186 (87) International publication number: WO 0055/858 (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: 15.03.1999 AU PP914199 26.11.1999 AU PP434399 (71) Applicant: Cooke, Michael Charles Ascot, QLD 4053 (AU)	(72) Inventor: Cooke, Michael Charles Ascot, QLD 4053 (AU) (74) Representative: Spierenburg, Pieter et al Spierenburg Helmle-Kolb & Partner AG Patent- und Markenanwälte Mellingerstrasse 12 5443 Niederrohrdorf 5443 Niederrohrdorf (CH)