(19)

(11)

EP 2 359 177 A1

(12)

(43) Date of publication: 24.08.2011 Bulletin 2011/34 (21) Application number: 08878822.9 (22) Date of filing: 17.12.2008

(51) International Patent Classification (IPC):  G02B 26/08(2006.01) B81B 7/04(2006.01) G03B 21/28(2006.01) (86) International application number: PCT/AU2008/001849 (87) International publication number: WO 2010/068962 (24.06.2010 Gazette 2010/25)

(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 (71) Applicant: Silverbrook Research Pty Ltd Balmain, NSW 2041 (AU)	(72) Inventors: MCAVOY, Gregory John Balmain New South Wales 2041 (AU) O'REILLY, Ronan Padraig Sean Balmain New South Wales 2041 (AU) LAWLOR, Vincent Patrick Balmain New South Wales 2041 (AU) SILVERBROOK, Kia Balmain New South Wales 2041 (AU) (74) Representative: Keane, Paul Fachtna et al Hanna, Moore & Curley 13 Lower Lad Lane 2 Dublin 2 Dublin (IE)