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Pat. 11444546 United States, Int. Cl.22 H02M 7/217, H02M 1/00, H02M 1/42, H02M 7/04, H02M 7/06, H01F 30/12. Power supply device, charging system and charge scheduling method : Appl. N 16/851095 : Filed 17.04.2020 : Pub. 13.09.2022 : / Chao Yan, Hongyang Wu, Liping Sun, Jianjun Ni ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11444546/en?oq=US11444546.html (дата обращения: ДД.ММ.ГГГГ).