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Pat. 10608522 United States, Int. Cl.22 H02M 1/08, H02M 1/088, H02M 3/335, H02M 1/00. Electrical circuit with auxiliary voltage source for zero-voltage switching in DC-DC converter under all load conditions : Appl. N 16/456254 : Filed 28.06.2019 : Pub. 31.03.2020 : / Rik W. De Doncker, Johannes Voss ; Assignee Rheinisch Westlische Technische Hochschuke Rwth ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10608522/en?oq=US10608522.html (дата обращения: ДД.ММ.ГГГГ).