(19)

(11)

EP 2 394 252 A1

(12)

(43) Date of publication: 14.12.2011 Bulletin 2011/50 (21) Application number: 10739271.4 (22) Date of filing: 08.02.2010

(51) International Patent Classification (IPC):  G08B 1/08(2006.01) (86) International application number: PCT/US2010/023643 (87) International publication number: WO 2010/091412 (12.08.2010 Gazette 2010/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 09.02.2009 US 368194 20.03.2009 US 408562 (71) Applicant: Blackridge Technology Holdings, Inc. Reno, NV 89511 (US)	(72) Inventor: GREENE, Paul, L Sterling, VA 20166 (US) (74) Representative: Exell, Jonathan Mark  Williams Powell Staple Court 11 Staple Inn Buildings London WC1V 7QH London WC1V 7QH (GB)