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(11)

EP 2 370 959 A1

(12)

(43) Date of publication: 05.10.2011 Bulletin 2011/40 (21) Application number: 09809085.5 (22) Date of filing: 21.05.2009

(51) International Patent Classification (IPC):  G08B 13/14(2006.01) G08B 21/16(2006.01) G08B 21/14(2006.01) (86) International application number: PCT/AU2009/000633 (87) International publication number: WO 2010/022432 (04.03.2010 Gazette 2010/09)

(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 TR (30) Priority: 26.08.2008 AU 2008100802 (71) Applicant: Sec Eng Systems Pty Ltd Caringbah, New South Wales 2229 (AU)	(72) Inventor: CRONIN, Shaun Lilli Pilli New South Wales 2229 (AU) (74) Representative: Watson, Robert James et al Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS London EC2V 8AS (GB)