(19)

(11)

EP 4 377 942 A1

(12)

(43) Date of publication: 05.06.2024 Bulletin 2024/23 (21) Application number: 22753792.5 (22) Date of filing: 23.07.2022

(51) International Patent Classification (IPC):  G09B 23/28(2006.01) G09B 23/30(2006.01) G09B 23/34(2006.01) (52) Cooperative Patent Classification (CPC): G09B 23/285; G09B 23/303 (86) International application number: PCT/IB2022/056817 (87) International publication number: WO 2023/007339 (02.02.2023 Gazette 2023/05)

(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: 25.07.2021 US 202163225547 P (71) Applicant: Mentice AB 411 03 Gothenburg (SE)	(72) Inventors: PIRLOT, Pierre-Benoit 75011 Paris (FR) BRÉGEARD, Pierre 75011 Paris (FR) (74) Representative: Alatis  3, rue Paul Escudier 75009 Paris 75009 Paris (FR)