(19)

(11)

EP 1 169 690 A2

(12)

(88) Date of publication A3: 15.03.2001 (43) Date of publication: 09.01.2002 Bulletin 2002/02 (21) Application number: 00914548.3 (22) Date of filing: 08.02.2000

(51) International Patent Classification (IPC)7: G08B 21/00, G08B 1/08 (86) International application number: PCT/US0003/206 (87) International publication number: WO 0055/825 (21.09.2000 Gazette 2000/38)

(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: 18.03.1999 US 271517 (71) Applicant: Statsignal Systems, Inc. Atlanta, GA 30328 (US)	(72) Inventor: PETITE, Thomas, D. Douglasville, GA 30135 (US) (74) Representative: Patentanwälte Rehberg + Hüppe  Nikolausberger Weg 62 37073 Göttingen 37073 Göttingen (DE)