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Pat. 11476772 United States, Int. Cl.22 H02M 7/217, H02M 1/08. Voltage converter circuit for converting AC voltage to DC voltage : Appl. N 16/944742 : Filed 31.07.2020 : Pub. 18.10.2022 : / Sheng-Bo Wang, Chiao Fu, Chang-Hsieh Wu, Jai-Tai Kuo, Chao-Kai Chang, Yao-Zhong Liu, Yi-Ru Shen, Chen-Yu Wang ; Assignee Epistar Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11476772/en?oq=US11476772.html (дата обращения: ДД.ММ.ГГГГ).