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Pat. 11522463 United States, Int. Cl.22 H02M 1/42, G01R 19/165, H02M 1/08, H02M 3/335, H03F 3/213, H02M 1/00. System and method to extend low line operation of flyback converters : Appl. N 17/182965 : Filed 23.02.2021 : Pub. 06.12.2022 : / Abhiman Ananthakrishna Hande ; Assignee Harman Professional Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11522463/en?oq=US11522463.html (дата обращения: ДД.ММ.ГГГГ).