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(11)

EP 1 854 078 A1

(12)

(43) Date of publication: 14.11.2007 Bulletin 2007/46 (21) Application number: 06716927.6 (22) Date of filing: 23.02.2006

(51) International Patent Classification (IPC):  G08B 5/00(2006.01) G02B 5/12(2006.01) (86) International application number: PCT/SE2006/000237 (87) International publication number: WO 2006/091153 (31.08.2006 Gazette 2006/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 28.02.2005 SE 0500441 (71) Applicant: Andersson, Hakan 441 60 Alingsas (SE)	(72) Inventor: Andersson, Hakan 441 60 Alingsas (SE) (74) Representative: Lind, Urban Arvid Oskar  AWAPATENT AB P.O. Box 11394 404 28 Göteborg 404 28 Göteborg (SE)