(19)

(11)

EP 3 072 292 A1

(12)

(43) Date of publication: 28.09.2016 Bulletin 2016/39 (21) Application number: 14803187.5 (22) Date of filing: 18.11.2014

(51) International Patent Classification (IPC):  H04N 7/18(2006.01) G01S 7/497(2006.01) G01S 7/40(2006.01) (86) International application number: PCT/GB2014/000476 (87) International publication number: WO 2015/075413 (28.05.2015 Gazette 2015/21)

(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: 19.11.2013 GB 201320369 (71) Applicant: The Secretary of State for Defence Salisbury, Wiltshire SP4 0JQ (GB)	(72) Inventors: DUNN-ROGERS, Juliet Marie Salisbury Wiltshire SP4 0JQ (GB) WILLIAMS, Stephen Charles Salisbury Wiltshire SP4 0JQ (GB) (74) Representative: Farnsworth, Alastair Graham  DIPR Formalities Section Poplar 2nr. 2214 MOD Abbey Wood (South) Bristol BS34 8JH Bristol BS34 8JH (GB)