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Pat. 11152847 United States, Int. Cl.22 H02M 1/08, H02M 1/42, H02M 3/155, H02M 3/335, H01F 38/42, H02M 1/00, H02M 1/34. Energy injection in a resonant circuit with initial conditions : Appl. N 15/825647 : Filed 29.11.2017 : Pub. 19.10.2021 : / Ionel Jitaru ; Assignee Rompowertechnology Holdings LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11152847/en?oq=US11152847.html (дата обращения: ДД.ММ.ГГГГ).