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Pat. 11050350 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/00, H02M 1/34. Controlling an active clamp switching power converter circuit based on a sensed voltage drop on an auxiliary winding : Appl. N 16/826132 : Filed 20.03.2020 : Pub. 29.06.2021 : / Jinho Choi, Richard M. Myers, Liang Yan, Wanfeng Zhang, Junjie Zheng ; Assignee Huayuan Semiconductor Shenzhen Ltd Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11050350/en?oq=US11050350.html (дата обращения: ДД.ММ.ГГГГ).