(19)

(11)

EP 4 128 464 A1

(12)

(43) Date of publication: 08.02.2023 Bulletin 2023/06 (21) Application number: 20715353.7 (22) Date of filing: 27.03.2020

(51) International Patent Classification (IPC):  H02J 3/00(1968.09) H02J 3/38(1968.09) (52) Cooperative Patent Classification (CPC): H02J 3/004; H02J 3/381; H02J 13/00001; H02J 2203/20; H02J 2300/20; Y04S 10/40; Y04S 10/123; Y04S 10/50; Y04S 40/20; Y02E 40/70; Y02E 60/00 (86) International application number: PCT/EP2020/058768 (87) International publication number: WO 2021/190764 (30.09.2021 Gazette 2021/39)

(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 (71) Applicant: Winji AG 8049 Zürich (CH)	(72) Inventors: BRODBECK, Bernhard 8049 Zürich (CH) MEYER, Angela 8400 Winterthur (CH) (74) Representative: Herzog, Markus  Weickmann & Weickmann Patent- und Rechtsanwälte PartmbB Postfach 860 820 81635 München 81635 München (DE)