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Pat. 9899915 United States, Int. Cl.22 H02J 3/12, G05F 1/00, G05F 5/00, H02M 1/08, H02M 1/32, H02M 3/156, H02M 1/00. Quasi universal feed forward DC to DC converter and method : Appl. N 15/384893 : Filed 20.12.2016 : Pub. 20.02.2018 : / Yi-Kuang Lu, Ton-Churo Huang ; Assignee National Taiwan Normal University Ntnu ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9899915/en?oq=US9899915.html (дата обращения: ДД.ММ.ГГГГ).