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Pat. 11349344 United States, Int. Cl.22 H02J 50/12, H02J 50/80, H02M 1/32, H02M 7/06. Safe operation in wireless power transmission systems : Appl. N 17/262675 : Filed 23.07.2019 : Pub. 31.05.2022 : / Johannes Tritschler, Benriah Goeldi ; Assignee Wiferion Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11349344/en?oq=US11349344.html (дата обращения: ДД.ММ.ГГГГ).