(19)

(11)

EP 1 631 973 A1

(12)

(43) Date of publication: 08.03.2006 Bulletin 2006/10 (21) Application number: 04741775.3 (22) Date of filing: 10.06.2004

(51) International Patent Classification (IPC):  H01F 27/22(1968.09) H02J 3/18(1968.09) H01F 27/24(1968.09) (86) International application number: PCT/EP2004/051085 (87) International publication number: WO 2004/112064 (23.12.2004 Gazette 2004/52)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 10.06.2003 EP 03101688 (71) Applicant: SCHAFFNER EMV AG 4542 Luterbach (CH)	(72) Inventors: KULL, Peter CH-4522 Rüttenen (CH) SIPPOLA, Mika Matti FIN-00150 Helsinki (FI) (74) Representative: P&TS Patents & Technology Surveys SA  Rue des Terreaux 7, Postfach 2848 2001 Neuchâtel 2001 Neuchâtel (CH)