(19)

(11)

EP 1 488 397 A1

(12)

(43) Date of publication: 22.12.2004 Bulletin 2004/52 (21) Application number: 03706848.3 (22) Date of filing: 21.03.2003

(51) International Patent Classification (IPC)7: G08B 27/00, G08B 25/00 (86) International application number: PCT/IB2003/001067 (87) International publication number: WO 2003/081555 (02.10.2003 Gazette 2003/40)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 26.03.2002 GB 0207043 13.08.2002 US 402818 P (71) Applicants: Burns, Paul Preston, Lancashire PR2 3HN (GB) Burns, Timothy Guthrie, OK 73044 (US)	(72) Inventors: Burns, Paul Preston, Lancashire PR2 3HN (GB) Burns, Timothy Guthrie, OK 73044 (US)