(19)

(11)

EP 4 409 220 A2

(12)

(88) Date of publication A3: 06.07.2023 (43) Date of publication: 07.08.2024 Bulletin 2024/32 (21) Application number: 22871084.4 (22) Date of filing: 23.09.2022

(51) International Patent Classification (IPC):  F41G 7/22(2006.01) G02B 26/08(2006.01) G02B 27/00(2006.01) G02B 26/12(2006.01) G02B 26/06(2006.01) G01S 7/497(2006.01) (52) Cooperative Patent Classification (CPC): G01S 7/497; F41G 7/2246; F41G 7/2293; G02B 26/0833; G02B 27/0025 (86) International application number: PCT/US2022/044535 (87) International publication number: WO 2023/064085 (20.04.2023 Gazette 2023/16)

(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: 27.09.2021 US 202163248623 P 21.04.2022 US 202217725872 (71) Applicant: Raytheon Company Tewksbury, MA 01876 (US)	(72) Inventors: KELLER, Sean D. Tucson, Arizona 85750 (US) KNAPP, David J. Tucson, Arizona 85745 (US) LEIGH, Jon E. Tucson, Arizona 85747 (US) (74) Representative: Dentons UK and Middle East LLP  One Fleet Place London EC4M 7WS London EC4M 7WS (GB)