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Pat. 10298137 United States, Int. Cl.22 H02M 3/335, H02M 1/00. Advanced frequency reduction of quasi-resonant converters : Appl. N 15/711112 : Filed 21.09.2017 : Pub. 21.05.2019 : / Chien-Tsun Hsu, Li Lin, Youngbae Park ; Assignee Semiconductor Components Industries LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10298137/en?oq=US10298137.html (дата обращения: ДД.ММ.ГГГГ).