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(11)

EP 4 798 937 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 23801830.3 (22) Date of filing: 24.10.2023

(51) International Patent Classification (IPC):  G01F 23/2962(2022.01) G01N 29/00(2006.01) G01B 17/02(2006.01) G08C 23/04(2006.01) (52) Cooperative Patent Classification (CPC): G01F 23/2962; G01B 17/02; G01N 29/2418; G01N 29/2475; G01N 29/043; G01N 29/07; G01N 2291/0258; G01N 2291/02854; G01N 2291/2634; G01N 2291/2695 (86) International application number: PCT/GB2023/052778 (87) International publication number: WO 2025/088291 (01.05.2025 Gazette 2025/18)

(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 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 (71) Applicant: Inductosense Limited Bristol BS2 0TZ (GB)	(72) Inventors: CHEN, Yangjie Bristol Bristol BS2 0TZ (GB) ZHONG, Cheng-Huan Bristol Bristol BS2 0TZ (GB) CROXFORD, Anthony Bristol Bristol BS2 0TZ (GB) (74) Representative: Latham, Stuart Alexander  Withers & Rogers LLP 2 London Bridge London SE1 9RA London SE1 9RA (GB)