(19)

(11)

EP 2 702 518 A1

(12)

(43) Date of publication: 05.03.2014 Bulletin 2014/10 (21) Application number: 12717821.8 (22) Date of filing: 12.04.2012

(51) International Patent Classification (IPC):  G06F 17/50(2006.01) G05B 23/02(2006.01) (86) International application number: PCT/GB2012/050799 (87) International publication number: WO 2012/146908 (01.11.2012 Gazette 2012/44)

(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 (30) Priority: 28.04.2011 GB 201107160 28.04.2011 EP 11275068 (71) Applicant: BAE Systems Plc London SW1Y 5AD (GB)	(72) Inventor: SNOOKE, Neal, Andrew Aberystwyth, Ceredigion SY23 2AX (GB) (74) Representative: BAE SYSTEMS plc Group IP Department  Farnborough Aerospace Centre Farnborough Hampshire GU14 6YU Farnborough Aerospace Centre Farnborough Hampshire GU14 6YU (GB)