(19)

(11)

EP 0 587 622 A1

(12)

(43) Date of publication: 23.03.1994 Bulletin 1994/12 (21) Application number: 92910878.0 (22) Date of filing: 22.05.1992

(51) International Patent Classification (IPC):  A63B 24/ 00( . ) A63B 69/ 00( . ) G07C 1/ 22( . ) A63B 69/ 36( . ) A63B 26/ 00( . ) A63B 71/ 06( . ) G10L 13/ 00( . ) (86) International application number: PCT/AU1992/000237 (87) International publication number: WO 1992/021106 (26.11.1992 Gazette 1992/29)

(84) Designated Contracting States: DE FR GB IT NL SE (30) Priority: 22.05.1991 AU 19910006276 (71) Applicant: DAWSON, Ronald, Gerry Nedlands, WA 6009 (AU)	(72) Inventor: DAWSON, Ronald, Gerry Nedlands, WA 6009 (AU) (74) Representative: Skone James, Robert Edmund, et al  GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)