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Pat. 10468975 United States, Int. Cl.22 H02M 3/335, H02M 1/34, H02M 1/00. Flyback converter, active clamp control circuit and active clamp control method : Appl. N 16/020365 : Filed 27.06.2018 : Pub. 05.11.2019 : / Xiangdong Yang, Yongjiang Bai, Zhiliang Hu, Wei Chen ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10468975/en?oq=US10468975.html (дата обращения: ДД.ММ.ГГГГ).