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Pat. 10199948 United States, Int. Cl.22 H02M 3/335. Standby power control for a flyback USB device using primary side frequency and data port sensing : Appl. N 15/965996 : Filed 30.04.2018 : Pub. 05.02.2019 : / Yao-Tsung Chen, Mao-Shih Li, San-Yi Li, Hung-Ching Lee ; Assignee Leadtrend Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10199948/en?oq=US10199948.html (дата обращения: ДД.ММ.ГГГГ).