(19)

(11)

EP 1 169 689 A1

(12)

(43) Date of publication: 09.01.2002 Bulletin 2002/02 (21) Application number: 00911546.0 (22) Date of filing: 02.03.2000

(51) International Patent Classification (IPC)7: G08B 17/00 (86) International application number: PCT/SE0000/410 (87) International publication number: WO 0054/235 (14.09.2000 Gazette 2000/37)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 05.03.1999 SE 9900801 (71) Applicant: Kobusinskiehn, Ann-Christin 605 91 Norrköping (SE)	(72) Inventor: KOBUSINSKI, Karl S-60591 Norrköping (SE) (74) Representative: Berglund, Erik Wilhelm et al Berglunds Patentbyra AB Aspebraten 590 55 Sturefors 590 55 Sturefors (SE)