(19)

(11)

EP 1 203 430 A1

(12)

(43) Date of publication: 08.05.2002 Bulletin 2002/19 (21) Application number: 00939239.0 (22) Date of filing: 02.06.2000

(51) International Patent Classification (IPC)7: H02G 3/04 (86) International application number: PCT/SE0001/144 (87) International publication number: WO 0076/042 (14.12.2000 Gazette 2000/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 04.06.1999 SE 9902080 04.06.1999 US 326765 (71) Applicant: Telefonaktiebolaget L M Ericsson (Publ) 126 25 Stockholm (SE)	(72) Inventors: ABERG, Göran S-132 36 Saltsjö-Boo (SE) IVARSSON, Thomas S-126 37 Hägersten (SE) (74) Representative: Bergentall, Annika Maria et al Cegumark AB,P.O. Box 53047 400 14 Göteborg 400 14 Göteborg (SE)