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Pat. 11177800 United States, Int. Cl.22 H03K 17/16, H02J 50/12, H02M 7/537, H03K 17/60, H03K 17/687. Power transmission device and contactless power transmission device : Appl. N 16/954518 : Filed 03.12.2018 : Pub. 16.11.2021 : / Masato Sasaki, Keiichi Sakuno ; Assignee Sharp Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11177800/en?oq=US11177800.html (дата обращения: ДД.ММ.ГГГГ).