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Pat. 10320303 United States, Int. Cl.22 H02M 3/335, H02M 1/42. Frequency controlled dummy load to stabilize PFC operation at light load conditions : Appl. N 16/120930 : Filed 04.09.2018 : Pub. 11.06.2019 : / Wei Xiong ; Assignee Universal Lighting Technologies Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10320303/en?oq=US10320303.html (дата обращения: ДД.ММ.ГГГГ).