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Pat. 11349350 United States, Int. Cl.22 H02J 7/00, H02J 5/00, H02J 7/02, H02J 7/04, H02J 50/10, H02J 50/12, H02J 50/80, H02M 3/07, H04B 5/00. Wireless charging method, wireless charging device, wireless charging system and device to be charged : Appl. N 16/579602 : Filed 23.09.2019 : Pub. 31.05.2022 : / Shangbo Lin, Shiming Wan, Jialiang Zhang ; Assignee Guangdong Oppo Mobile Telecommunications Corp Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11349350/en?oq=US11349350.html (дата обращения: ДД.ММ.ГГГГ).