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Pat. 10476389 United States, Int. Cl.22 H02M 3/158, H02M 1/00, H02M 1/08, H02M 1/14, H02M 1/15, H02M 1/44, H02M 3/157. Switching power supply apparatus : Appl. N 15/923422 : Filed 16.03.2018 : Pub. 12.11.2019 : / Masafumi Otsuka ; Assignee Toshiba Corp, Toshiba Electronic Devices and Storage Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10476389/en?oq=US10476389.html (дата обращения: ДД.ММ.ГГГГ).