Библиографическая ссылка на патент
Pat. 11469609 United States, Int. Cl.22 H02M 3/335, G05F 1/10, H02H 9/00, H02J 7/02, H02M 7/00, H02M 7/12, H02M 7/155. Power supply circuit, power supply device and control method : Appl. N 17/017376 : Filed 10.09.2020 : Pub. 11.10.2022 : / Chen Tian, Jialiang Zhang ; Assignee Guangdong Oppo Mobile Telecommunications Corp Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11469609/en?oq=US11469609.html (дата обращения: ДД.ММ.ГГГГ).