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(11)

EP 4 059 323 A1

(12)

(43) Date of publication: 21.09.2022 Bulletin 2022/38 (21) Application number: 20821264.7 (22) Date of filing: 15.12.2020

(51) International Patent Classification (IPC):  H05B 47/20(2020.01) H05B 47/185(2020.01) H05B 47/19(2020.01) (52) Cooperative Patent Classification (CPC): H05B 47/20; H05B 47/19; H05B 47/185 (86) International application number: PCT/EP2020/086085 (87) International publication number: WO 2021/130048 (01.07.2021 Gazette 2021/26)

(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: 23.12.2019 EP 19219188 (71) Applicant: Tridonic GmbH & Co. KG 6851 Dornbirn (AT)	(72) Inventors: BLUM, Jürgen 6850 Dornbirn (AT) OLARIU, Laura 6850 Dornbirn (AT) AMANN, Günter 6850 Dornbirn (AT) (74) Representative: Rupp, Christian  Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstraße 33 80331 München 80331 München (DE)