(19)

(11)

EP 1 264 294 A2

(12)

(88) Date of publication A3: 08.08.2002 (43) Date of publication: 11.12.2002 Bulletin 2002/50 (21) Application number: 01913451.9 (22) Date of filing: 14.03.2001

(51) International Patent Classification (IPC)7: G08C 17/02, G08C 23/02, G08C 23/04, H04N 7/173 (86) International application number: PCT/CA0100/323 (87) International publication number: WO 0106/9567 (20.09.2001 Gazette 2001/38)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 15.03.2000 US 189487 P 29.11.2000 US 253727 P 12.03.2001 US 804619 12.03.2001 US 804620 12.03.2001 US 804623 12.03.2001 US 804624 12.03.2001 US 804718 (71) Applicants: Harris, Glen McLean Mississauga,Ontario L5B 3Y9 (CA) Henry, Justin M. Mississauga,Ontario L5L 3S8 (CA)

(72) Inventors: Harris, Glen McLean Mississauga,Ontario L5B 3Y9 (CA) Henry, Justin M. Mississauga,Ontario L5L 3S8 (CA) (74) Representative: Jehan, Robert et al Williams Powell4 St Paul's Churchyard London EC4M 8AY London EC4M 8AY (GB)