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Pat. 10504641 United States, Int. Cl.22 H01F 27/00, H01F 3/10, H01F 37/00, H02M 3/158. Magnetic assembly and power supply system with same : Appl. N 14/970174 : Filed 15.12.2015 : Pub. 10.12.2019 : / Zengyi Lu, Yajiang Yan, Haijun Yang, Jun Sun ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10504641/en?oq=US10504641.html (дата обращения: ДД.ММ.ГГГГ).