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Pat. 10050557 United States, Int. Cl.22 H02M 7/217, H02M 3/158, H02M 7/219. Energy harvesting apparatus and a method for operating an energy harvesting apparatus : Appl. N 14/020976 : Filed 09.09.2013 : Pub. 14.08.2018 : / Yuan Gao, I Made Darmayuda, San Jeow Cheng, Minkyu Je, Chun Huat Heng ; Assignee Agency For Science Technology and Research Singapore ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10050557/en?oq=US10050557.html (дата обращения: ДД.ММ.ГГГГ).