(19)

(11)

EP 1 264 292 A1

(12)

(43) Date of publication: 11.12.2002 Bulletin 2002/50 (21) Application number: 01914858.4 (22) Date of filing: 08.03.2001

(51) International Patent Classification (IPC)7: G08B 13/19, G08B 13/193 (86) International application number: PCT/CA0100/284 (87) International publication number: WO 0106/7414 (13.09.2001 Gazette 2001/37)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 10.03.2000 CA 2300644 (71) Applicant: DIGITAL SECURITY CONTROLS LTD. Concord,Ontario L4K 4L2 (CA)	(72) Inventor: Lee, Steven Toronto, Ontario M2N 3C9 (CA) (74) Representative: Brooks, Nigel Samuel  Nigel Brooks CPA,Hill HamptonEast Meon PetersfieldHampshire GU32 1QN PetersfieldHampshire GU32 1QN (GB)