(19)

(11)

EP 2 443 466 A1

(12)

(43) Date of publication: 25.04.2012 Bulletin 2012/17 (21) Application number: 09846298.9 (22) Date of filing: 19.06.2009

(51) International Patent Classification (IPC):  G01R 29/08(2006.01) G02B 27/00(2006.01) G01R 27/02(2006.01) (86) International application number: PCT/US2009/048010 (87) International publication number: WO 2010/147598 (23.12.2010 Gazette 2010/51)

(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 MK MT NL NO PL PT RO SE SI SK TR (71) Applicant: Dolphin Measurement Systems, LLC Providence, RI 02905 (US)	(72) Inventors: RAYKHMAN, Alexander, M. East Greenwich, RI (US) NAIDIS, Eugene 78751 Ashkelon (IL) WALDMAN, Ellis, S. Providence, RI 02906 (US) (74) Representative: Brophy, David Timothy  F. R. Kelly & Co. 27 Clyde Road Ballsbridge IRL-Dublin 4 IRL-Dublin 4 (IE)