(19)

(11)

EP 4 569 344 A1

(12)

(43) Date of publication: 18.06.2025 Bulletin 2025/25 (21) Application number: 23754300.4 (22) Date of filing: 09.08.2023

(51) International Patent Classification (IPC):  G01R 33/56(2006.01) G01R 33/48(2006.01) G01R 33/565(2006.01) (52) Cooperative Patent Classification (CPC): G01R 33/56509; G01R 33/5608; G01R 33/4828; G01R 33/56563 (86) International application number: PCT/EP2023/071991 (87) International publication number: WO 2024/033390 (15.02.2024 Gazette 2024/07)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 11.08.2022 EP 22189932 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventor: EGGERS, Holger 5656 AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)