(19)

(11)

EP 1 859 226 A1

(12)

(43) Date of publication: 28.11.2007 Bulletin 2007/48 (21) Application number: 06704955.1 (22) Date of filing: 03.03.2006

(51) International Patent Classification (IPC):  G01B 7/30(2006.01) H03M 1/12(2006.01) (86) International application number: PCT/AU2006/000282 (87) International publication number: WO 2006/092026 (08.09.2006 Gazette 2006/36)

(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 NL PL PT RO SE SI SK TR (30) Priority: 04.03.2005 AU 2005901050 (71) Applicant: Rabit Joint Venture Limited East Bentleigh, VIC 3165 (AU)	(72) Inventors: HOSEINNEZHAD, Reza, Faculty of Eng. & Ind. Scie. Hawthorn, Victoria 3122 (AU) HARDING, Peter, Pacifica Group Techn. Pty Ltd. East Bentleigh, Victoria 3165 (AU) (74) Representative: Parnham, Kevin  Swindell & Pearson 48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)