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Pat. 10651725 United States, Int. Cl.22 H02M 3/156, H02M 1/12, H02M 1/00. Control system and control method for reducing total harmonic distortion : Appl. N 16/427503 : Filed 31.05.2019 : Pub. 12.05.2020 : / Longqi Wang, Jianxin Wang ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10651725/en?oq=US10651725.html (дата обращения: ДД.ММ.ГГГГ).