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Pat. 10148174 United States, Int. Cl.22 H02M 3/157, G01R 19/165, H02M 1/08, H02M 3/156, H02M 1/00. Duty cycle estimator for a switch mode power supply : Appl. N 15/348923 : Filed 10.11.2016 : Pub. 04.12.2018 : / Ajay Kumar Kosaraju, Guolei Yu, Yi-Cheng Wan, Sugato Mukherjee ; Assignee Qualcomm Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10148174/en?oq=US10148174.html (дата обращения: ДД.ММ.ГГГГ).