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EP 4 740 287 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 23738704.8 (22) Date of filing: 04.07.2023

(51) International Patent Classification (IPC):  H02J 50/00(2016.01) H02J 50/40(2016.01) H02J 50/20(2016.01) H02J 50/80(2016.01) (52) Cooperative Patent Classification (CPC): H02J 50/80; H02J 50/001; H02J 50/40; H02J 50/20 (86) International application number: PCT/EP2023/068441 (87) International publication number: WO 2025/008056 (09.01.2025 Gazette 2025/02)

(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 (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: ARVIDSON, Pontus 192 51 SOLLENTUNA (SE) SUNDMAN, Dennis 191 47 SOLLENTUNA (SE) WILHELMSSON, Leif 222 20 LUND (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)