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Pat. 11456680 United States, Int. Cl.22 H02M 7/539, H02M 1/00, H02M 1/088, H02M 1/12, H02M 7/537, H02M 7/5395, H03K 3/017. Over-modulation pulse width modulation with maximum output and minimum harmonics : Appl. N 17/244178 : Filed 29.04.2021 : Pub. 27.09.2022 : / Huazhen Chai, Mustansir Kheraluwala ; Assignee Hamilton Sundstrand Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11456680/en?oq=US11456680.html (дата обращения: ДД.ММ.ГГГГ).