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Pat. 11201565 United States, Int. Cl.22 H02M 7/487, H02J 3/38, H02M 1/08, H02M 3/07, H02M 7/483, H02M 7/515, H02M 7/5387, H02J 9/06, H02M 1/00. Conversion circuit, control method, and power supply device : Appl. N 16/785225 : Filed 07.02.2020 : Pub. 14.12.2021 : / Zhaohui Wang, Lei Shi, Dianbo Fu ; Assignee Huawei Technologies Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11201565/en?oq=US11201565.html (дата обращения: ДД.ММ.ГГГГ).