(19)

(11)

EP 4 208 763 A1

(12)

(43) Date of publication: 12.07.2023 Bulletin 2023/28 (21) Application number: 21739566.4 (22) Date of filing: 15.06.2021

(51) International Patent Classification (IPC):  G05D 1/02(2020.01) (52) Cooperative Patent Classification (CPC): G05D 1/0274; G05D 1/024 (86) International application number: PCT/EP2021/066003 (87) International publication number: WO 2021/254975 (23.12.2021 Gazette 2021/51)

(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 Designated Validation States: KH MA MD TN (30) Priority: 19.06.2020 DE 102020003769 (71) Applicant: MetraLabs GmbH Neue Technologien und Systeme 98693 Ilmenau (DE)	(72) Inventors: MARTIN, Christian 98693 Ilmenau (DE) SCHRÖTER, Christof 98693 Ilmenau (DE) ARENKNECHT, Robert 98693 Ilmenau (DE) STERNITZKE, Christian 04105 Leipzig (DE) TRABERT, Johannes 98693 Ilmenau (DE)