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(11)

EP 3 864 871 A1

(12)

(43) Date of publication: 18.08.2021 Bulletin 2021/33 (21) Application number: 19871693.8 (22) Date of filing: 02.10.2019

(51) International Patent Classification (IPC):  H04W 4/80(2018.01) H04N 21/422(2011.01) H04W 12/06(2021.01) (86) International application number: PCT/US2019/054315 (87) International publication number: WO 2020/076585 (16.04.2020 Gazette 2020/16)

(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: 10.10.2018 US 201816156766 (71) Applicant: Universal Electronics Inc. Scottsdale, AZ 85254 (US)

(72) Inventors: OWRANG, Maryam Santa Ana, California 92707 (US) AHMADI, Nicu Santa Ana, California 92707 (US) VAN EE, Jan Santa Ana, California 92707 (US) CHAMBERS, Chris Santa Ana, California 92707 (US) HATAMBEIKI, Arsham Santa Ana, California 92707 (US) BARNETT, Brian Oakland, California 94619 (US) (74) Representative: CMS Cameron McKenna Nabarro Olswang LLP  Cannon Place 78 Cannon Street London EC4N 6AF London EC4N 6AF (GB)