(19)

(11)

EP 1 108 253 A1

(12)

(43) Date of publication: 20.06.2001 Bulletin 2001/25 (21) Application number: 99942336.1 (22) Date of filing: 20.08.1999

(51) International Patent Classification (IPC)7: G08G 1/123 (86) International application number: PCT/US9918/934 (87) International publication number: WO 0014/697 (16.03.2000 Gazette 2000/11)

(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: 02.09.1998 US 145863 (71) Applicant: Smith, Donald Wayne Sacramento, CA 95838-1853 (US)	(72) Inventor: Smith, Donald Wayne Sacramento, CA 95838-1853 (US) (74) Representative: Israelsson, Stefan et al Bjerkéns Patentbyra KBÖstermalmsgatan 58 114 50 Stockholm 114 50 Stockholm (SE)