(19)

(11)

EP 4 569 305 A1

(12)

(43) Date of publication: 18.06.2025 Bulletin 2025/25 (21) Application number: 23758361.2 (22) Date of filing: 11.08.2023

(51) International Patent Classification (IPC):  G01L 21/30(2006.01) G01L 19/14(2006.01) H05K 3/28(2006.01) G01L 19/00(2006.01) H05K 1/14(2006.01) (52) Cooperative Patent Classification (CPC): H05K 1/144; G01L 19/148; G01L 21/30; G01L 19/0061; H05K 3/284; H05K 1/141; H05K 2201/09027 (86) International application number: PCT/GB2023/052123 (87) International publication number: WO 2024/033655 (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: 12.08.2022 GB 202211804 (71) Applicant: Edwards Limited Burgess Hill, Sussex RH15 9TW (GB)

(72) Inventors: LORD, Gary Michael George Hampden Park, Eastbourne Sussex BN22 9BA (GB) REEVE-FOWKES, Jonathan Hampden Park, Eastbourne Sussex BN22 9BA (GB) SCHJERVE, Jayne Marie Hampden Park, Eastbourne Sussex BN22 9BA (GB) CROFT, Glen Hampden Park, Eastbourne Sussex BN22 9BA (GB) DONIKU, Ylber Hampden Park, Eastbourne Sussex BN22 9BA (GB) ZAKARIA, Bishoy Hampden Park, Eastbourne Sussex BN22 9BA (GB) KRISTOF, Janos Gabor Eastbourne Sussex BN22 9BA (GB) HUTTON, Nicholas Daniel Hampden Park, Eastbourne Sussex BN22 9BA (GB) (74) Representative: Arnold, Emily Anne  Edwards Limited Innovation Drive Burgess Hill, West Sussex RH15 9TW Burgess Hill, West Sussex RH15 9TW (GB)