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Pat. 11152880 United States, Int. Cl.22 H02P 21/22, H02M 1/38, H02M 7/5387, H02P 27/08. Control apparatus and brushless motor : Appl. N 16/837079 : Filed 01.04.2020 : Pub. 19.10.2021 : / Motohiro Tokairin, Yukitoshi Takano, Yukio Kontani, Toyohiko Hoshino, Hitoshi Mikami ; Assignee Fujifilm Business Innovation Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11152880/en?oq=US11152880.html (дата обращения: ДД.ММ.ГГГГ).