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Pat. 9985546 United States, Int. Cl.22 H02M 3/335, H02J 3/00. Method and apparatus for obtaining soft switching in all the switching elements through current shaping and intelligent control : Appl. N 15/068598 : Filed 13.03.2016 : Pub. 29.05.2018 : / Ionel Jitaru ; Assignee Rompower Technology Holdings LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9985546/en?oq=US9985546.html (дата обращения: ДД.ММ.ГГГГ).