(19)

(11)

EP 4 479 802 A1

(12)

(43) Date of publication: 25.12.2024 Bulletin 2024/52 (21) Application number: 23709264.8 (22) Date of filing: 30.01.2023

(51) International Patent Classification (IPC):  G04B 21/08(2006.01) G10D 13/10(2020.01) G04B 23/02(2006.01) G04B 21/12(2006.01) (52) Cooperative Patent Classification (CPC): G04B 21/08; G04B 23/028; G04B 21/12; G10D 13/25 (86) International application number: PCT/IB2023/050776 (87) International publication number: WO 2023/156862 (24.08.2023 Gazette 2023/34)

(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: KH MA MD TN (30) Priority: 16.02.2022 IT 202200002861 (71) Applicant: Politecnico di Milano 20133 Milano (IT)	(72) Inventors: BRAGHIN, Francesco 20133 Milano (IT) QUADRELLI, Davide Enrico 20133 Milano (IT) (74) Representative: Di Bernardo, Antonio et al Thinx S.r.l. P.le Luigi Cadorna, 10 20123 Milano 20123 Milano (IT)