(19)

(11)

EP 1 153 379 A1

(12)

(43) Date of publication: 14.11.2001 Bulletin 2001/46 (21) Application number: 99906960.2 (22) Date of filing: 11.02.1999

(51) International Patent Classification (IPC)7: G08B 1/00 (86) International application number: PCT/US9903/042 (87) International publication number: WO 0048/149 (17.08.2000 Gazette 2000/33)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Wilfong, Dennis Scott Brooksville, FL 34613 (US)	(72) Inventor: Wilfong, Dennis Scott Brooksville, FL 34613 (US) (74) Representative: Biehl, Christian, Dipl.-Phys.  Boehmert & Boehmert,Anwaltssozietät,Niemannsweg 133 24105 Kiel 24105 Kiel (DE)