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Pat. 10291137 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/36. Flyback power converter circuit and high voltage start-up circuit thereof : Appl. N 16/040501 : Filed 19.07.2018 : Pub. 14.05.2019 : / Chien-Fu Tang, Isaac Y. Chen, Tzu-Chen Lin, Kun-Yu Lin, Li-Yang Hsiao, Yung-Chih Lai ; Assignee Richtek Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10291137/en?oq=US10291137.html (дата обращения: ДД.ММ.ГГГГ).