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Pat. 10148185 United States, Int. Cl.22 H02M 3/335, H02M 1/42, H02M 1/00. Systems and methods for extension of power supply hold-up time : Appl. N 14/551339 : Filed 24.11.2014 : Pub. 04.12.2018 : / Stuart Allen Berke, Mehran Mirjafari, Lei Wang ; Assignee Dell Products Lp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10148185/en?oq=US10148185.html (дата обращения: ДД.ММ.ГГГГ).