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Pat. 10243475 United States, Int. Cl.22 H02M 3/337, H02M 1/12, H02M 1/42, G05F 1/565, H02M 7/162, H02M 7/48. Power conversion device and method of operating a power conversion device : Appl. N 15/662202 : Filed 27.07.2017 : Pub. 26.03.2019 : / Yutaka Usami ; Assignee Toshiba Tec Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10243475/en?oq=US10243475.html (дата обращения: ДД.ММ.ГГГГ).