(19)

(11)

EP 0 364 571 A1

(12)

(43) Date of publication: 25.04.1990 Bulletin 1990/17 (21) Application number: 89905041.0 (22) Date of filing: 19.04.1989

(51) International Patent Classification (IPC):  H05B 6/ 78( . ) (86) International application number: PCT/AU1989/000171 (87) International publication number: WO 1989/010678 (02.11.1989 Gazette 1989/26)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 19.04.1988 AU 19870000078 (71) Applicant: DEAKIN UNIVERSITY Geelong, VIC 3217 (AU)	(72) Inventor: TRAN, Van Nguyen Belmont, VIC 3216 (AU) (74) Representative: Fruchard, Guy, et al  CABINET BOETTCHER 23, rue la Boetie F-75008 Paris F-75008 Paris (FR)