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Pat. 11277078 United States, Int. Cl.22 H02M 7/5387, H02M 1/14, H02M 1/00, H02M 1/34, H02M 1/44. Full-bridge inverter with unipolar switching scheme and its method of operation : Appl. N 17/080194 : Filed 26.10.2020 : Pub. 15.03.2022 : / Enea Bianda, Tin-Ho Li, Juha Huusari, Ngai-Man Ho ; Assignee Abb Schweiz Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11277078/en?oq=US11277078.html (дата обращения: ДД.ММ.ГГГГ).