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Pat. 9948192 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/00. Quasi-resonant operation of a power conversion circuit including switches symmetrically arranged about a transformer : Appl. N 15/146379 : Filed 04.05.2016 : Pub. 17.04.2018 : / Jongwon Shin, Masanori Ishigaki ; Assignee Toyota Motor Engineering and Manufacturing North America Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9948192/en?oq=US9948192.html (дата обращения: ДД.ММ.ГГГГ).