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Pat. 11336118 United States, Int. Cl.22 H02J 50/12, G01R 27/26, H02J 7/02, H02J 50/60, H02M 7/44. Q-factor determination in wireless charging system having complex resonant circuit : Appl. N 16/244066 : Filed 09.01.2019 : Pub. 17.05.2022 : / Dengyu Jiang, Dechang Wang, Li Wang, Huan Mao ; Assignee Nxp Usa Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11336118/en?oq=US11336118.html (дата обращения: ДД.ММ.ГГГГ).