(19)

(11)

EP 0 947 045 A1

(12)

(43) Date of publication: 06.10.1999 Bulletin 1999/40 (21) Application number: 97950553.0 (22) Date of filing: 15.12.1997

(51) International Patent Classification (IPC):  H03B 5/ 24( . ) H03B 1/ 00( . ) (86) International application number: PCT/SE1997/002099 (87) International publication number: WO 1998/027643 (25.06.1998 Gazette 1998/25)

(84) Designated Contracting States: GB (30) Priority: 19.12.1996 SE 19960004691 (71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON 126 25 Stockholm (SE)	(72) Inventor: BLADH, Mats S-146 53 Tullinge (SE) (74) Representative: Sandström, Staffan Sven, et al  Bergenstrahle & Lindvall AB, P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)