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Pat. 11108325 United States, Int. Cl.22 H02M 3/158, H02M 3/07, H02M 3/156, H02M 3/157, H02M 1/00. Electronic circuit and method of controlling three-level switching converters : Appl. N 16/791623 : Filed 14.02.2020 : Pub. 31.08.2021 : / Parisa Mahmoudidaryan, Sayfe Kiaei, Bertan Bakkaloglu ; Assignee Arizona Board of Regents On Bbehalf of Arizona State University ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11108325/en?oq=US11108325.html (дата обращения: ДД.ММ.ГГГГ).