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Pat. 10985665 United States, Int. Cl.22 H02M 3/335, H02M 3/158, H02M 1/00, H02M 1/34, H03K 17/0814. Voltage sensing of an active clamp switching power converter circuit using an auxiliary winding having a same polarity as a primary winding : Appl. N 16/734160 : Filed 03.01.2020 : Pub. 20.04.2021 : / Liang Yan, Richard M. Myers, Junjie Zheng ; Assignee Huayuan Semiconductor Shenzhen Ltd Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10985665/en?oq=US10985665.html (дата обращения: ДД.ММ.ГГГГ).