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Pat. 9906169 United States, Int. Cl.22 H02M 7/72, H02M 1/44, H02M 3/28. DC-AC conversion circuit having a first double ended DC pulse stage and a second AC stage : Appl. N 15/466470 : Filed 22.03.2017 : Pub. 27.02.2018 : / Alexander Isurin, Alexander Cook ; Assignee Vanner Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9906169/en?oq=US9906169.html (дата обращения: ДД.ММ.ГГГГ).