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Pat. 10015849 United States, Int. Cl.22 H02M 1/15, H02M 1/08, H02M 1/14, H02M 1/42, H02M 3/335, H05B 44/00, H02M 1/00. Ripple cancellation converter with high power factor : Appl. N 15/234526 : Filed 11.08.2016 : Pub. 03.07.2018 : / Yan-Fei Liu ; Assignee Queens University At Kingston ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10015849/en?oq=US10015849.html (дата обращения: ДД.ММ.ГГГГ).