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EP 4 798 943 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24798268.9 (22) Date of filing: 16.10.2024

(51) International Patent Classification (IPC):  G01J 3/02(2006.01) G01J 3/44(2006.01) G02B 21/36(2006.01) G01J 3/28(2006.01) G02B 21/24(2006.01) (52) Cooperative Patent Classification (CPC): G01J 3/0208; G01J 3/0229; G01J 3/0237; G01J 3/0289; G01J 3/44; G01J 3/2823; G01J 3/0235; G02B 21/248 (86) International application number: PCT/GB2024/052649 (87) International publication number: WO 2025/088296 (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: GE KH MA MD TN (30) Priority: 25.10.2023 GB 202316322 (71) Applicant: Renishaw plc Wotton-under-Edge, Gloucestershire GL12 8JR (GB)	(72) Inventors: SMITH, Brian, John, Edward Wotton-under-Edge Gloucestershire GL12 8JR (GB) PARKER, James Roderick Wotton-under-Edge Gloucestershire GL12 8JR (GB) (74) Representative: Matthews, Paul et al Renishaw plc Patent Department New Mills Wotton-under-Edge, Gloucestershire GL12 8JR Wotton-under-Edge, Gloucestershire GL12 8JR (GB)