MAGNETIC CIRCUIT DEVICE PROVIDED WITH A CURRENT COIL

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(11)

EP 0 252 141 A1

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(43)	Date of publication:
	13.01.1988 Bulletin 1988/02

(21)	Application number: 87900812.0

(22)	Date of filing: 09.01.1987

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International Patent Classification (IPC):

H01F^{( . )}
H01F 3/ 14^{( . )}
H01F 27/ 24^{( . )}
H01F 38/ 08^{( . )}

H01F 3/ 04^{( . )}
H01F 5/ 00^{( . )}
H01F 27/ 28^{( . )}

(86)	International application number:
	PCT/FI1987/000002

(87)	International publication number:
	WO 1987/004298 (16.07.1987 Gazette 1987/15)

(84)	Designated Contracting States:
	DE FR GB SE

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Priority:

10.01.1986 FI 19860000106

(71)	Applicant: Oy Helvar
	SF-00380 Helsinki 38 (FI)

(72)	Inventor:
	LILJA, Pertti SF-00320 Helsinki (FI)

(74)	Representative: Patentanwälte Wenzel & Kalkoff
	Postfach 73 04 66, Grubesallee 26 D-22124 Hamburg D-22124 Hamburg (DE)

(54)	MAGNETIC CIRCUIT DEVICE PROVIDED WITH A CURRENT COIL