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Pat. 9899908 United States, Int. Cl.22 H02M 1/36, H02J 7/02, H02J 50/12, H02M 7/217. High frequency wireless power rectifier startup circuit design : Appl. N 15/440463 : Filed 23.02.2017 : Pub. 20.02.2018 : / Lijie Zhao, Yue Wang, Stephen Ulbrich ; Assignee Integrated Device Technology Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9899908/en?oq=US9899908.html (дата обращения: ДД.ММ.ГГГГ).