(19)

(11)

EP 2 671 126 A2

(12)

(88) Date of publication A3: 18.10.2012 (43) Date of publication: 11.12.2013 Bulletin 2013/50 (21) Application number: 12703036.9 (22) Date of filing: 31.01.2012

(51) International Patent Classification (IPC):  G05D 16/06(2006.01) (86) International application number: PCT/EP2012/051500 (87) International publication number: WO 2012/104274 (09.08.2012 Gazette 2012/32)

(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: 04.02.2011 LU 91787 (71) Applicant: Luxembourg Patent Company S.A. 7440 Lintgen (LU)	(72) Inventors: PINGER, Sascha 35582 Wetzlar (DE) VELTE, Mario 61267 Neu Anspach (DE) (74) Representative: Lecomte & Partners  P.O. Box 1623 1016 Luxembourg 1016 Luxembourg (LU)