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Pat. 10303108 United States, Int. Cl.22 G03G 15/00, H02M 1/36, H02M 3/335, H02M 1/00. Switching power supply for enabling switching element to be soft-started in burst mode, image forming apparatus and soft start method of switching element : Appl. N 15/674578 : Filed 11.08.2017 : Pub. 28.05.2019 : / Takuya Ogishima ; Assignee Toshiba Corp, Toshiba Tec Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10303108/en?oq=US10303108.html (дата обращения: ДД.ММ.ГГГГ).