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Pat. 10291043 United States, Int. Cl.22 H02J 7/06, H02J 7/00, H02J 7/02, H02J 7/04, H02M 1/08, H02M 3/335, H02J 7/16, H02M 1/00. Charging system, charging method, and power adapter : Appl. N 15/961764 : Filed 24.04.2018 : Pub. 14.05.2019 : / 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/US10291043/en?oq=US10291043.html (дата обращения: ДД.ММ.ГГГГ).