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Pat. 9899909 United States, Int. Cl.22 H02M 1/42, H02M 1/00, H02M 7/06, H02M 7/162, H02M 7/217, H02M 7/219. Control device and method of totem-pole bridgeless PFC soft switch : Appl. N 15/028131 : Filed 20.06.2014 : Pub. 20.02.2018 : / Guoxian Lin, Jianping Zhou, Tao Liu, Junming Zhang ; Assignee Zte Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9899909/en?oq=US9899909.html (дата обращения: ДД.ММ.ГГГГ).