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Pat. 10097051 United States, Int. Cl.22 H02J 7/02, H02J 50/27, H02J 50/50, H02M 1/32, H02M 7/217, H03H 7/38. Rectenna circuit elements, circuits, and techniques for enhanced efficiency wireless power transmission or ambient RF energy harvesting : Appl. N 14/767125 : Filed 27.02.2014 : Pub. 09.10.2018 : / Yong Xin Guo, Zheng Zhong, Hucheng Sun ; Assignee National University of Singapore ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10097051/en?oq=US10097051.html (дата обращения: ДД.ММ.ГГГГ).