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Pat. 11223275 United States, Int. Cl.22 H02M 1/42, H02M 1/08, H02M 1/36, H02M 1/44, H02M 3/156, H02M 7/06, H02M 1/00. Switching mode power supply circuit : Appl. N 16/915635 : Filed 29.06.2020 : Pub. 11.01.2022 : / Renhong Li, Zhuo Shen ; Assignee Shanghai Tuituo Technology Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11223275/en?oq=US11223275.html (дата обращения: ДД.ММ.ГГГГ).