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Pat. 11489434 United States, Int. Cl.22 H02M 1/08, H02M 1/00, H02M 7/539, G01R 19/12, H02M 1/32. Power transducer including a rate of voltage change detection circuit : Appl. N 16/948234 : Filed 09.09.2020 : Pub. 01.11.2022 : / Kentaro Ikeda ; Assignee Toshiba Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11489434/en?oq=US11489434.html (дата обращения: ДД.ММ.ГГГГ).