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Pat. 10277049 United States, Int. Cl.22 H02J 7/00, H02J 7/34, H02M 3/07, H02M 3/335. Hold-up capacitor charging using fly-back power supply : Appl. N 15/889249 : Filed 06.02.2018 : Pub. 30.04.2019 : / Rodrigo Fernandez-Mattos, Priya Kakarla Naga Lakshmi, Sesh Mohan Rao, Sridhar Katakam, Somasekhar Valleru, Shobhit Agrawal ; Assignee Hamilton Sundstrand Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10277049/en?oq=US10277049.html (дата обращения: ДД.ММ.ГГГГ).