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Pat. 9935538 United States, Int. Cl.22 H02M 1/12, H02M 1/42, H02M 1/00, H02M 3/335. Power factor correction circuit and driving method thereof : Appl. N 15/077280 : Filed 22.03.2016 : Pub. 03.04.2018 : / Hyun-Chul Eum, Taesung Kim, In-Ki Park, Young-Jong Kim ; Assignee Semiconductor Components Industries LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9935538/en?oq=US9935538.html (дата обращения: ДД.ММ.ГГГГ).