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Pat. 10734826 United States, Int. Cl.22 H02J 7/00, H02J 7/02, H02J 9/00, H02M 3/158. Power supply including bi-directional DC converter and control method thereof : Appl. N 16/274494 : Filed 13.02.2019 : Pub. 04.08.2020 : / Chen Zhao, Lingdong Zhang ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10734826/en?oq=US10734826.html (дата обращения: ДД.ММ.ГГГГ).