(19)

(11)

EP 1 355 817 A1

(12)

(43) Date of publication: 29.10.2003 Bulletin 2003/44 (21) Application number: 01983048.8 (22) Date of filing: 14.11.2001

(51) International Patent Classification (IPC)7: B61L 3/02, B61L 27/00 (86) International application number: PCT/SE0102/520 (87) International publication number: WO 0204/6019 (13.06.2002 Gazette 2002/24)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 04.12.2000 SE 0004486 (71) Applicant: Novosignal AB 200 25 Malmö (SE)	(72) Inventor: GATENFJORD, Göran S-231 99 Klagstorp (SE) (74) Representative: Andersson, Björn  Awapatent AB,P.O. Box 5117 200 71 Malmö 200 71 Malmö (SE)