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Pat. 10897241 United States, Int. Cl.22 H03K 3/00, H02M 7/537, H03K 3/0233. Hysteresis control method for inverter and an inverter with hysteresis control : Appl. N 16/718104 : Filed 17.12.2019 : Pub. 19.01.2021 : / Qikang Wei, Feidong Xu, Xuancai Zhu ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10897241/en?oq=US10897241.html (дата обращения: ДД.ММ.ГГГГ).