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Pat. 10715116 United States, Int. Cl.22 H03L 5/00, H02M 1/08, H02M 3/06, H03K 3/012, H03K 5/00, H03K 19/0175, G06G 7/163, H02M 1/00, H02M 1/34, H02M 7/06, H03H 5/12. Power control by direct drive : Appl. N 16/081932 : Filed 29.03.2017 : Pub. 14.07.2020 : / King Kuen Hau ; Assignee King Kuen Hau ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10715116/en?oq=US10715116.html (дата обращения: ДД.ММ.ГГГГ).