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EP 1 730 008 A1

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(43) Date of publication: 13.12.2006 Bulletin 2006/50 (21) Application number: 04775444.5 (22) Date of filing: 16.09.2004

(51) International Patent Classification (IPC):  B61L 23/00(2006.01) G01S 17/02(2006.01) G01C 3/00(2006.01) G01S 7/481(2006.01) G08B 23/00(2006.01) (86) International application number: PCT/SE2004/001341 (87) International publication number: WO 2005/025963 (24.03.2005 Gazette 2005/12)

(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: 16.09.2003 SE 0302465 (71) Applicant: Safe Rail Scandinavia AB 170 77 Solna (SE)	(72) Inventors: EKLUND, Börje S-170 77 Solna (SE) UNDIN, Hans S-184 51 Österskär (SE) (74) Representative: Berglund, Stefan  Bjerkéns Patentbyra KB Östermalmsgatan 58 S-114 50 Stockholm S-114 50 Stockholm (SE)