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EP 4 352 859 A1

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(43) Date of publication: 17.04.2024 Bulletin 2024/16 (21) Application number: 22734233.4 (22) Date of filing: 03.06.2022

(51) International Patent Classification (IPC):  H02K 5/10(2006.01) H02K 7/14(2006.01) H02K 5/22(2006.01) A62B 18/00(2006.01) H02K 11/30(2016.01) (52) Cooperative Patent Classification (CPC): H02K 5/10; H02K 11/30; H02K 7/14; A62B 18/006; H02K 5/225; A62B 23/025 (86) International application number: PCT/EP2022/065272 (87) International publication number: WO 2022/258544 (15.12.2022 Gazette 2022/50)

(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: 08.06.2021 WO PCT/CN2021/098949 22.09.2021 EP 21198210 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: LIN, Fu-Lung 5656 AG Eindhoven (NL) GU, Wei 5656 AG Eindhoven (NL) LI, Bing 5656 AG Eindhoven (NL) HUANG, Haiyong 5656 AG Eindhoven (NL) TANG, Lijian 5656 AG Eindhoven (NL) CHEN, Weizhong 5656 AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)