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Pat. 10819209 United States, Int. Cl.22 H02J 7/00, H02M 1/00, H02M 3/04, H02M 7/06, H03H 7/38. Multi-source energy harvester system and power conversion apparatus and method thereof : Appl. N 16/414811 : Filed 17.05.2019 : Pub. 27.10.2020 : / Kuo-Chi Liu, Chang-Yu Ho ; Assignee Richtek Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10819209/en?oq=US10819209.html (дата обращения: ДД.ММ.ГГГГ).