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Pat. 11456676 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 7/217, H02M 1/00. Power conversion circuit and method thereof : Appl. N 17/155528 : Filed 22.01.2021 : Pub. 27.09.2022 : / Shun-Gen Sun, Wei-Jia Yu, Sheng-Hong Wu ; Assignee Shanghai Bright Power Semiconductor Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11456676/en?oq=US11456676.html (дата обращения: ДД.ММ.ГГГГ).