(19)

(11)

EP 2 370 788 A2

(12)

(88) Date of publication A3: 16.06.2011 (43) Date of publication: 05.10.2011 Bulletin 2011/40 (21) Application number: 09774916.2 (22) Date of filing: 23.10.2009

(51) International Patent Classification (IPC):  G01D 3/02(2006.01) G08C 17/00(2006.01) (86) International application number: PCT/GB2009/051433 (87) International publication number: WO 2010/046711 (29.04.2010 Gazette 2010/17)

(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 SM TR (30) Priority: 24.10.2008 GB 0819605 (71) Applicant: Transense Technologies PLC Oxon, Oxfordshire OX25 5HD (GB)	(72) Inventors: VICKERY, Paul, Edward Northamptonshire NN12 6QQ (GB) BECKLEY, John, Peter Oxfordshire OX5 2EJ (GB) (74) Representative: Blower, Timothy John  IP-Active.com Ltd Birmingham Science Park Aston Faraday Wharf Holt St Birmingham B7 4BB Birmingham B7 4BB (GB)