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Pat. 11444603 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 16/888853 : Filed 01.06.2020 : Pub. 13.09.2022 : / King Kuen Hau ; Assignee Individual ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11444603/en?oq=US11444603.html (дата обращения: ДД.ММ.ГГГГ).