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Pat. 10560028 United States, Int. Cl.22 H02M 3/335, H02J 7/00, H02M 1/08, H02M 1/32, H02M 1/00, H02M 7/06. Switching mode power supply with dynamic high-voltage charging to maintain operating voltage : Appl. N 15/949118 : Filed 10.04.2018 : Pub. 11.02.2020 : / Chun-Teh Chen, Yi Lun Shen, Ren Yi Chen ; Assignee Weltrend Semiconductor Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10560028/en?oq=US10560028.html (дата обращения: ДД.ММ.ГГГГ).