Библиографическая ссылка на патент
Pat. 10879808 United States, Int. Cl.22 H02M 3/335, H02M 1/00, H02M 3/07, H02M 3/337. Switched-tank DC transformer and voltage ratio switching method thereof : Appl. N 16/676382 : Filed 06.11.2019 : Pub. 29.12.2020 : / Ming Li, Yiqing Ye ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10879808/en?oq=US10879808.html (дата обращения: ДД.ММ.ГГГГ).