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Pat. 11139740 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/36, H02M 1/00. Systems and methods for power converters with self-regulated power supplies : Appl. N 16/674820 : Filed 05.11.2019 : Pub. 05.10.2021 : / Liqiang Zhu, Lieyi Fang ; Assignee On Bright Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11139740/en?oq=US11139740.html (дата обращения: ДД.ММ.ГГГГ).