(19)

(11)

EP 4 473 744 A2

(12)

(88) Date of publication A3: 10.08.2023 (43) Date of publication: 11.12.2024 Bulletin 2024/50 (21) Application number: 23708605.3 (22) Date of filing: 02.02.2023

(51) International Patent Classification (IPC):  H04R 1/10(2006.01) A61B 5/00(2006.01) A61B 5/02(2006.01) (52) Cooperative Patent Classification (CPC): H04R 1/1016; H04R 1/1041; H04R 1/1091; A61B 5/6817; A61B 5/02 (86) International application number: PCT/US2023/012217 (87) International publication number: WO 2023/150228 (10.08.2023 Gazette 2023/32)

(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: 02.02.2022 US 202263305932 P 29.06.2022 US 202263356851 P 29.06.2022 US 202263356860 P 29.06.2022 US 202263356864 P 29.06.2022 US 202263356872 P 29.06.2022 US 202263356877 P 29.06.2022 US 202263356883 P 20.12.2022 US 202218069106 (71) Applicant: META PLATFORMS TECHNOLOGIES, LLC Menlo Park, CA 94025 (US)

(72) Inventors: LUNNER, Nils Thomas Fritiof Menlo Park, California 94025 (US) WEINER, Joshua Menlo Park, California 94025 (US) KHALEGHIMEYBODI, Morteza Menlo Park, California 94025 (US) OUDERKIRK, Andrew John Menlo Park, California 94025 (US) SILVERSTEIN, Barry David Menlo Park, California 94025 (US) RUMSFELD, John Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)