(19)

(11)

EP 0 237 551 A1

(12)

(43) Date of publication: 23.09.1987 Bulletin 1987/39 (21) Application number: 86905685.0 (22) Date of filing: 02.10.1986

(51) International Patent Classification (IPC):  H02M 5/ 32( . ) H02M 5/ 14( . ) (86) International application number: PCT/AU1986/000287 (87) International publication number: WO 1987/002200 (09.04.1987 Gazette 1987/08)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 02.10.1985 AU 19850002721 15.07.1986 AU 19860006923 (71) Applicant: INNOVATIVE ELECTRICS PTY. LIMITED Bowral, NSW 2567 (AU)	(72) Inventor: LING, Ping Marsfield, NSW 2122 (AU) (74) Representative: Woodin, Anthony John  Fitzpatricks Europe House Box No. 88 World Trade Centre East Smithfield London E1 9AA London E1 9AA (GB)