(19)

(11)

EP 2 599 065 A2

(12)

(88) Date of publication A3: 29.03.2012 (43) Date of publication: 05.06.2013 Bulletin 2013/23 (21) Application number: 11745572.5 (22) Date of filing: 27.07.2011

(51) International Patent Classification (IPC):  G08B 25/04(2006.01) G08B 25/14(2006.01) (86) International application number: PCT/GB2011/051433 (87) International publication number: WO 2012/013976 (02.02.2012 Gazette 2012/05)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 29.07.2010 GB 201012742 (71) Applicant: Cooper Security Limited Mitcheldean Gloucestershire GL17 0SZ (GB)	(72) Inventor: WARD, David Mitcheldean Gloucestershire GL17 0SZ (GB) (74) Representative: Kensett, John Hinton  Saunders & Dolleymore LLP 9 Rickmansworth Road Watford WD18 0JU Watford WD18 0JU (GB)