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Pat. 10886855 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/00. Resonant converters power supplies and control methods for reducing unbalanced currents in resonant converter power supplies : Appl. N 16/086245 : Filed 12.12.2017 : Pub. 05.01.2021 : / Yongtao Xie, Zhanwu Wang, Sudhakarababu Chakkirala ; Assignee Astec International Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10886855/en?oq=US10886855.html (дата обращения: ДД.ММ.ГГГГ).