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Pat. 10396671 United States, Int. Cl.22 H02M 3/335, H02M 3/337, H02M 1/00. Power supplies having power switches controllable with a varying frequency, duty cycle and/or phase to regulate outputs : Appl. N 15/411458 : Filed 20.01.2017 : Pub. 27.08.2019 : / Israel Gomez Beltran, Siu Lun Wu ; Assignee Astec International Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10396671/en?oq=US10396671.html (дата обращения: ДД.ММ.ГГГГ).