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EP 4 348 296 A1

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(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 22748604.0 (22) Date of filing: 05.07.2022

(51) International Patent Classification (IPC):  G01S 7/481(2006.01) G01S 7/4863(2020.01) G01S 17/931(2020.01) G02B 26/12(2006.01) G01S 7/484(2006.01) G01S 17/89(2020.01) G02B 26/10(2006.01) (52) Cooperative Patent Classification (CPC): G01S 7/4817; G01S 7/4818; G01S 7/484; G01S 7/4863; G01S 17/89; G01S 17/931; G02B 26/101; G02B 26/12 (86) International application number: PCT/US2022/036152 (87) International publication number: WO 2023/283205 (12.01.2023 Gazette 2023/02)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 09.07.2021 US 202163220455 P 01.07.2022 US 202217856910 (71) Applicant: Seyond, Inc. Sunnyvale, CA 94086 (US)

(72) Inventors: LI, Yufeng Sunnyvale, CA 94086 (US) WANG, Ning-Yi Sunnyvale, CA 94086 (US) WANG, Haosen Sunnyvale, CA 94086 (US) WAN, Peng Sunnyvale, CA 94086 (US) LI, Yimin Sunnyvale, CA 94086 (US) BAO, Junwei Sunnyvale, CA 94086 (US) SALMAN, Gil Sunnyvale, CA 94086 (US) (74) Representative: Sackin, Robert  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)