(19)

(11)

EP 4 405 529 A1

(12)

(43) Date of publication: 31.07.2024 Bulletin 2024/31 (21) Application number: 22872274.0 (22) Date of filing: 20.09.2022

(51) International Patent Classification (IPC):  E01F 9/615(2016.01) G09F 13/04(2006.01) (52) Cooperative Patent Classification (CPC): G09F 2007/1878; G09F 13/005; G09F 13/0431; G09F 13/0472; G09F 15/005; E01F 9/615; G08G 1/095 (86) International application number: PCT/FI2022/050631 (87) International publication number: WO 2023/047019 (30.03.2023 Gazette 2023/13)

(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: 24.09.2021 FI 20214102 U 11.11.2021 FI 20214114 U (71) Applicant: InnoTrafik Oy 00180 Helsinki (FI)	(72) Inventor: HÄNNINEN, Jouni 00180 Helsinki (FI) (74) Representative: Kolster Oy Ab  Salmisaarenaukio 1 P.O. Box 204 00181 Helsinki 00181 Helsinki (FI)