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Pat. 11088624 United States, Int. Cl.22 H02M 3/335, H02M 3/155. Voltage conversion apparatus for implementing zero-voltage switching based on recovering leakage inductance energy : Appl. N 16/831835 : Filed 27.03.2020 : Pub. 10.08.2021 : / Tso-Min Chen ; Assignee Power Forest Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11088624/en?oq=US11088624.html (дата обращения: ДД.ММ.ГГГГ).