(19)

(11)

EP 0 166 773 A1

(12)

(43) Date of publication: 08.01.1986 Bulletin 1986/02 (21) Application number: 85900533.0 (22) Date of filing: 17.12.1984

(51) International Patent Classification (IPC):  H02M 7/ 00( . ) H02M 7/ 40( . ) (86) International application number: PCT/US1984/002061 (87) International publication number: WO 1985/002728 (20.06.1985 Gazette 1985/14)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 16.12.1983 GR 19740000732 (71) Applicants: ZETEX LIMITED Georgetown Grand Cayman Island British West Indies (KY) GRAY, Edwin Vincent Sr. Council, ID 83612 (US)	(74) Representative: Smith, Norman Ian, et al  F.J. CLEVELAND & COMPANY 40-43 Chancery Lane London WC2A 1JQ London WC2A 1JQ (GB)