(19)

(11)

EP 1 051 695 A1

(12)

(43) Date of publication: 15.11.2000 Bulletin 2000/46 (21) Application number: 99906605.3 (22) Date of filing: 22.01.1999

(51) International Patent Classification (IPC)7: G08B 13/02, G08B 13/12 (86) International application number: PCT/SE9900/088 (87) International publication number: WO 9938/134 (29.07.1999 Gazette 1999/30)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 22.01.1998 SE 9800150 (71) Applicant: Svensson, Leif 360 75 Alstermo (SE)	(72) Inventor: Svensson, Leif 360 75 Alstermo (SE) (74) Representative: Johansson Webjörn, Ingmari  L.A. Groth & Co KB Patentbyra,P.O. Box 6107 102 32 Stockholm 102 32 Stockholm (SE)