Библиографическая ссылка на патент
Pat. 9906125 United States, Int. Cl.22 H02M 3/156, H02M 3/157, H02M 3/158. Power circuit with switching frequency control circuit and control method thereof : Appl. N 14/624250 : Filed 17.02.2015 : Pub. 27.02.2018 : / Chen Kong Teh ; Assignee Toshiba Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9906125/en?oq=US9906125.html (дата обращения: ДД.ММ.ГГГГ).