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Pat. 10186972 United States, Int. Cl.22 H02M 3/335. Controller applied to a secondary side of a power convertor and operation method thereof : Appl. N 15/963114 : Filed 26.04.2018 : Pub. 22.01.2019 : / Hsiang-Feng Yu, Ching-Tsan Lee ; Assignee Leadtrend Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10186972/en?oq=US10186972.html (дата обращения: ДД.ММ.ГГГГ).