(19)

(11)

EP 0 960 458 A1

(12)

(43) Date of publication: 01.12.1999 Bulletin 1999/48 (21) Application number: 98901985.0 (22) Date of filing: 26.01.1998

(51) International Patent Classification (IPC):  H02H 7/ 18( . ) H02J 7/ 00( . ) (86) International application number: PCT/FI1998/000069 (87) International publication number: WO 1998/036483 (20.08.1998 Gazette 1998/33)

(84) Designated Contracting States: BE DE FR GB IT SE (30) Priority: 27.01.1997 FI 19970000337 (71) Applicant: NOKIA TELECOMMUNICATIONS OY 02150 Espoo (FI)	(72) Inventors: MÄKINEN, Yrjö FIN-04300 Tuusula (FI) BAARMAN, Gösta FIN-02570 Siuntio kk. (FI) BJÖRKAS, Mikael FIN-02700 Kauniainen (FI) (74) Representative: Holmström, Stefan Mikael, et al  Oy Kolster Ab, Iso Roobertinkatu 23, P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)