(19)

(11)

EP 2 106 644 A1

(12)

(43) Date of publication: 07.10.2009 Bulletin 2009/41 (21) Application number: 07784873.7 (22) Date of filing: 30.08.2007

(51) International Patent Classification (IPC):  H04L 9/22(2006.01) H04L 9/00(2006.01) (86) International application number: PCT/AU2007/001253 (87) International publication number: WO 2008/031143 (20.03.2008 Gazette 2008/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 12.09.2006 AU 2006905032 (71) Applicant: Microlatch Pty Ltd Hurstville, NSW 2220 (AU)	(72) Inventors: BURKE, Christopher John Ramsgate, NSW 2217 (AU) MURRAY, David Victor Hurstville, NSW 2220 (AU) (74) Representative: Schumacher, Dirk  Schumacher & Willsau Patentanwaltsgesellschaft mbH Nymphenburger Strasse 42 80335 München 80335 München (DE)