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Pat. 11309796 United States, Int. Cl.22 H02M 3/158, H05B 45/375, H02J 7/00. Control method of single live line charging circuit, control circuit of single live line charging circuit and single live line charging circuit : Appl. N 16/847692 : Filed 14.04.2020 : Pub. 19.04.2022 : / Hao Long, Xunwei Zhou ; Assignee Joulwatt Technology Hangzhou Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11309796/en?oq=US11309796.html (дата обращения: ДД.ММ.ГГГГ).