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(11)

EP 2 880 648 A1

(12)

(43) Date of publication: 10.06.2015 Bulletin 2015/24 (21) Application number: 13824890.1 (22) Date of filing: 13.02.2013

(51) International Patent Classification (IPC):  G09F 19/22(2006.01) E01F 11/00(2006.01) (86) International application number: PCT/AU2013/000122 (87) International publication number: WO 2014/019012 (06.02.2014 Gazette 2014/06)

(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 Designated Extension States: BA ME (30) Priority: 30.07.2012 AU 2012903258 (71) Applicant: CTA Australia Pty Ltd. Tullamarine, Victoria 3043 (AU)	(72) Inventor: DEDOMENICO, Daniel Tullamarine, Victoria 3043 (AU) (74) Representative: Edson, Russell Gregory et al Withers & Rogers LLP 4 More London Riverside London SE1 2AU London SE1 2AU (GB)