(19)

(11)

EP 4 434 059 A1

(12)

(43) Date of publication: 25.09.2024 Bulletin 2024/39 (21) Application number: 21815173.6 (22) Date of filing: 16.11.2021

(51) International Patent Classification (IPC):  G21G 4/02(2006.01) G01T 3/00(2006.01) G01N 23/09(2018.01) (52) Cooperative Patent Classification (CPC): G01N 23/09; G21G 4/02 (86) International application number: PCT/EP2021/081894 (87) International publication number: WO 2023/088543 (25.05.2023 Gazette 2023/21)

(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 Designated Validation States: KH MA MD TN (71) Applicant: Photonis France 19100 Brive (FR)	(72) Inventor: DUARTE PINTO, Serge 9300 AB Roden (NL) (74) Representative: Cabinet Laurent & Charras  Le Contemporain 50 Chemin de la Bruyère 69574 Dardilly Cedex 69574 Dardilly Cedex (FR)