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EP 4 248 561 A1

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(43) Date of publication: 27.09.2023 Bulletin 2023/39 (21) Application number: 20853516.1 (22) Date of filing: 28.12.2020

(51) International Patent Classification (IPC):  H03H 9/02(2006.01) H03H 9/17(2006.01) H03H 9/13(2006.01) (52) Cooperative Patent Classification (CPC): H03H 9/02118; H03H 9/02062; H03H 9/171; H03H 9/132; H03H 9/173; H03H 9/175 (86) International application number: PCT/IB2020/001122 (87) International publication number: WO 2022/144564 (07.07.2022 Gazette 2022/27)

(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) Applicants: Huawei Technologies Co., Ltd. Shenzhen, Guangdong 518129 (CN) Commissariat à l'Energie Atomique et aux Energies Alternatives 75015 Paris (FR)	(72) Inventors: ERBES, Andreja Shenzhen, Guangdong 518129 (CN) SANSA PERNA, Marc 38054 Grenoble Cedex 9 (FR) BOUSQUET, Marie 38054 Grenoble Cedex 9 (FR) MERCIER, Denis 38054 Grenoble Cedex 9 (FR) (74) Representative: Roth, Sebastian  Mitscherlich PartmbB Patent- und Rechtsanwälte Karlstraße 7 80333 München 80333 München (DE)