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Pat. 10381929 United States, Int. Cl.22 H02M 3/158, H02M 1/08, H02M 1/36, H02P 9/30, H02M 1/00. Voltage control utilizing multiple PWM patterns : Appl. N 16/111350 : Filed 24.08.2018 : Pub. 13.08.2019 : / Andrew Ferencz, Todd E. Takken, Paul W. Coteus, Xin Zhang ; Assignee International Business Machines Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10381929/en?oq=US10381929.html (дата обращения: ДД.ММ.ГГГГ).