(19)

(11)

EP 2 140 396 A1

(12)

(43) Date of publication: 06.01.2010 Bulletin 2010/01 (21) Application number: 08714484.6 (22) Date of filing: 10.04.2008

(51) International Patent Classification (IPC):  G06K 7/08(2006.01) G06K 7/10(2006.01) (86) International application number: PCT/AU2008/000502 (87) International publication number: WO 2008/124866 (23.10.2008 Gazette 2008/43)

(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 MT NL NO PL PT RO SE SI SK TR (30) Priority: 11.04.2007 AU 2007911260 P (71) Applicant: Silverbrook Research Pty. Ltd Balmain, New South Wales 2041 (AU)	(72) Inventor: SHIPTON, Gary Balmain, New South Wales 2041 (AU) (74) Representative: Moore, Barry et al Hanna Moore & Curley 13 Lower Lad Lane Dublin 2 Dublin 2 (IE)