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(11)

EP 1 871 605 A1

(12)

(43) Date of publication: 02.01.2008 Bulletin 2008/01 (21) Application number: 05714349.7 (22) Date of filing: 04.04.2005

(51) International Patent Classification (IPC):  B41J 2/01(2006.01) G01F 23/22(2006.01) G01F 23/24(2006.01) B81B 7/02(2006.01) (86) International application number: PCT/AU2005/000480 (87) International publication number: WO 2006/105570 (12.10.2006 Gazette 2006/41)

(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 MC NL PL PT RO SE SI SK TR (71) Applicant: Silverbrook Research Pty. Limited Balmain, NSW 2041 (AU)

(72) Inventors: SILVERBROOK, Kia, Silverbrook Research PTY LTD Balmain, NSW 2041 (AU) NORTH, Angus John, Silverbrook Research PTY LTD Balmain, NSW 2041 (AU) MCAVOY, Gregory John, Silverbrook Research PTY LTD Balmain, NSW 2041 (AU) MALLINSON, Samuel George, Silverbrook Res. PTY LTD Balmain, NSW 2041 (AU) AZIMI, Mehdi, Silverbrook Research PTY LTD Balmain, NSW 2041 (AU) REICHL, Paul Justin, Silverbrook Research PTY LTD Balmain, NSW 2041 (AU) FISHBURN, Jennifer Mia, Silverbrook Res. PTY LTD Balmain, NSW 2041 (AU) (74) Representative: Moore, Barry et al Hanna, Moore & Curley 13 Lower Lad Lane Dublin 2 Dublin 2 (IE)