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Pat. 11038416 United States, Int. Cl.22 H02M 1/42, H02M 1/14, H02M 3/157. Drive signal generating circuit and power supply circuit for improving power factor thereof : Appl. N 16/696688 : Filed 26.11.2019 : Pub. 15.06.2021 : / Ryuji Yamada ; Assignee Fuji Electric Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11038416/en?oq=US11038416.html (дата обращения: ДД.ММ.ГГГГ).