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Pat. 9941799 United States, Int. Cl.22 H02M 3/158, H02M 3/335, H02M 1/00, H02M 3/156. Cascade power system with isolated Class-E resonant circuit : Appl. N 14/821449 : Filed 07.08.2015 : Pub. 10.04.2018 : / Mark Telefus, Peter Ramos Yeo, Aldimarl Mantilla Navarro, Bahman Sharifipour ; Assignee Flextronics Ap LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9941799/en?oq=US9941799.html (дата обращения: ДД.ММ.ГГГГ).