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Pat. 10892678 United States, Int. Cl.22 H02M 1/34, H02M 1/36, H02M 3/335, H02M 1/00, H02M 7/521, H02M 7/5387. Method and apparatus for bidirectional operation of phase-shift full bridge converter using inductor pre-charging : Appl. N 15/672657 : Filed 09.08.2017 : Pub. 12.01.2021 : / Manuel Escudero Rodriguez, Matteo-Alessandro Kutschak, David Meneses Herrera ; Assignee Infineon Technologies Austria Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10892678/en?oq=US10892678.html (дата обращения: ДД.ММ.ГГГГ).