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EP 4 824 598 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24829590.9 (22) Date of filing: 12.12.2024

(51) International Patent Classification (IPC):  G02B 7/08(2021.01) G02B 7/10(2021.01) G02B 27/00(2006.01) G02B 21/06(2006.01) G01N 21/954(2006.01) G02B 13/24(2006.01) G02B 21/00(2006.01) (52) Cooperative Patent Classification (CPC): G02B 13/24; G02B 27/0075; G02B 7/08; G02B 7/102; G01N 21/954; G02B 21/0016; G02B 21/06 (86) International application number: PCT/IB2024/062567 (87) International publication number: WO 2025/126104 (19.06.2025 Gazette 2025/25)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 14.12.2023 IT 202300026673 (71) Applicant: Opto Engineering S.p.A. 46100 Mantova (IT)	(72) Inventors: BERTOLUCCI, Andrea 46100 Mantova (IT) RIZZOTTO, Luca 46100 Mantova (IT) PANSIERI, Alessio 46100 Mantova (IT) (74) Representative: Chimini, Francesco et al Jacobacci & Partners S.p.A. Piazza della Vittoria 11 25122 Brescia 25122 Brescia (IT)