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Pat. 11394242 United States, Int. Cl.22 H02J 50/12, A47B 21/06, G01R 33/00, G01R 33/02, G01R 33/07, G01R 33/10, G06F 1/18, H02J 50/00, H02J 50/10, H02J 50/60, H02J 50/80, H02M 3/158. Wireless power transfer in-band communication circuit and method : Appl. N 17/020494 : Filed 14.09.2020 : Pub. 19.07.2022 : / Petru Emanuel Stingu, Kenneth Moore, Yulong Hou, Ruwanga Dassanayake ; Assignee Spark Connected LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11394242/en?oq=US11394242.html (дата обращения: ДД.ММ.ГГГГ).