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Pat. 10910852 United States, Int. Cl.22 H02J 7/00, G01R 31/3842, H02J 7/02, H02M 3/335. Charging system, charging method, and power adapter : Appl. N 15/657572 : Filed 24.07.2017 : Pub. 02.02.2021 : / Jialiang Zhang, Chen Tian, Jun Zhang, Shebiao Chen, Shiming Wan, Jiada Li ; Assignee Guangdong Oppo Mobile Telecommunications Corp Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10910852/en?oq=US10910852.html (дата обращения: ДД.ММ.ГГГГ).