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EP 3 004 831 A1

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(43) Date of publication: 13.04.2016 Bulletin 2016/15 (21) Application number: 14808392.6 (22) Date of filing: 06.06.2014

(51) International Patent Classification (IPC):  G01L 23/18(2006.01) (86) International application number: PCT/US2014/041220 (87) International publication number: WO 2014/197760 (11.12.2014 Gazette 2014/50)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 06.06.2013 US 201361831846 P 06.06.2013 US 201313457023 06.06.2013 US 201313457041 21.08.2013 US 201361868293 P 10.02.2014 US 201414481735 (71) Applicant: Advanced Sensor Design Technologies, LLC Houston, Texas 77098 (US)

(72) Inventor: JENKINS, Keith Houston, Texas 77098 (US) (74) Representative: Müller Schupfner & Partner Patent- und Rechtsanwaltspartnerschaft mbB  Schellerdamm 19 21079 Hamburg 21079 Hamburg (DE)