(19)

(11)

EP 0 051 612 A1

(12)

(43) Date of publication: 19.05.1982 Bulletin 1982/20 (21) Application number: 81901125.0 (22) Date of filing: 08.05.1981

(51) International Patent Classification (IPC):  H02M 1/ 096( . ) (86) International application number: PCT/SE1981/000140 (87) International publication number: WO 1981/003246 (12.11.1981 Gazette 1981/27)

(84) Designated Contracting States: DE FR GB NL SE (30) Priority: 09.05.1980 SE 19800003513 (71) Applicant: LINDMARK, Magnus Carl Wilhelm S-114 59 Stockholm (SE)	(72) Inventor: LINDMARK, Magnus Carl Wilhelm S-114 59 Stockholm (SE)