(19)

(11)

EP 1 706 726 A1

(12)

(43) Date of publication: 04.10.2006 Bulletin 2006/40 (21) Application number: 05700067.1 (22) Date of filing: 14.01.2005

(51) International Patent Classification (IPC):  G01N 21/35(2006.01) G01J 3/45(2006.01) G01J 3/42(2006.01) G08G 5/04(2006.01) (86) International application number: PCT/AU2005/000035 (87) International publication number: WO 2005/068977 (28.07.2005 Gazette 2005/30)

(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 (30) Priority: 16.01.2004 AU 2004900213 (71) Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION Campbell, Australian Capital Territory 2612 (AU)	(72) Inventor: PRATA, Alfredo Jose MT ELIZA, Victoria 3930 (AU) (74) Representative: Jenkins, Peter David  Page White & Farrer 54 Doughty Street GB-London WC1N 2LS GB-London WC1N 2LS (GB)