(19)

(11)

EP 2 555 960 A1

(12)

(43) Date of publication: 13.02.2013 Bulletin 2013/07 (21) Application number: 11764942.6 (22) Date of filing: 05.04.2011

(51) International Patent Classification (IPC):  B61L 29/30(2006.01) B61L 23/24(2006.01) B61L 29/32(2006.01) G08G 1/16(2006.01) (86) International application number: PCT/AU2011/000385 (87) International publication number: WO 2011/123885 (13.10.2011 Gazette 2011/41)

(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: 05.04.2010 AU 2010901429 (71) Applicant: Cohda Wireless Pty Ltd Kent Town, SA 5067 (AU)	(72) Inventors: ALEXANDER, Paul, Dean Crafers, South Australia 5152 (AU) HALEY, David, Victor, Lawrie Stepney, South Australia 5069 (AU) (74) Representative: Piotrowicz, Pawel Jan Andrzej et al Venner Shipley LLP Byron House Cambridge Business Park Cowley Road Cambridge CB4 0WZ Cambridge CB4 0WZ (GB)