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Pat. 11411503 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 17/127440 : Filed 18.12.2020 : Pub. 09.08.2022 : / Liang Yan, Richard M. Myers, Junjie Zheng ; Assignee Huayuan Semiconductor Shenzhen Ltd Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11411503/en?oq=US11411503.html (дата обращения: ДД.ММ.ГГГГ).