(19)

(11)

EP 4 565 903 A1

(12)

(43) Date of publication: 11.06.2025 Bulletin 2025/24 (21) Application number: 23754822.7 (22) Date of filing: 03.08.2023

(51) International Patent Classification (IPC):  G01S 19/26(2010.01) G01S 19/30(2010.01) G01S 19/29(2010.01) (52) Cooperative Patent Classification (CPC): G01S 19/26; G01S 19/29; G01S 19/30 (86) International application number: PCT/GB2023/052055 (87) International publication number: WO 2024/028607 (08.02.2024 Gazette 2024/06)

(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: 03.08.2022 US 202263394667 P 10.11.2022 US 202263424185 P (71) Applicant: Focal Point Positioning Ltd. Cambridge CB4 3NP (GB)	(72) Inventors: FARAGHER, Ramsey Cambridge CB4 3NP (GB) DUFFETT-SMITH, Peter James Cambridge CB4 3NP (GB) CROCKETT, Robert Mark Cambridge CB4 3NP (GB) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)