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Pat. 11196306 United States, Int. Cl.22 H01M 10/44, H01M 10/46, H02J 5/00, H02J 7/00, H02J 7/02, H02J 7/04, H02J 50/10, H02J 50/12, H02J 50/80, H02M 3/07, H04B 5/00. Device to be charged, wireless charging device and control method thereof : Appl. N 16/589074 : Filed 30.09.2019 : Pub. 07.12.2021 : / Shiming Wan ; Assignee Guangdong Oppo Mobile Telecommunications Corp Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11196306/en?oq=US11196306.html (дата обращения: ДД.ММ.ГГГГ).