(19)

(11)

EP 4 182 499 A1

(12)

(43) Date of publication: 24.05.2023 Bulletin 2023/21 (21) Application number: 21799281.7 (22) Date of filing: 26.10.2021

(51) International Patent Classification (IPC):  D06F 73/00(2006.01) (52) Cooperative Patent Classification (CPC): D06F 73/00 (86) International application number: PCT/EP2021/079731 (87) International publication number: WO 2022/090262 (05.05.2022 Gazette 2022/18)

(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: 29.10.2020 EP 20204577 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventor: SIN, Hee, Poh 5656 AE Eindhoven (NL) (74) Representative: Vollering, Stefanus Franciscus Maria  Philips Domestic Appliances IP Department High Tech Campus 42 5656 AE Eindhoven 5656 AE Eindhoven (NL)