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Pat. 11329547 United States, Int. Cl.22 H02M 3/158, H02M 1/14, H02M 1/15, H02M 3/335, H02M 7/219, H02M 1/00. Primary controller applied to a primary side of a power converter and operational method thereof : Appl. N 17/012062 : Filed 04.09.2020 : Pub. 10.05.2022 : / Hsin-Hung Lu, San-Yi Li ; Assignee Leadtrend Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11329547/en?oq=US11329547.html (дата обращения: ДД.ММ.ГГГГ).