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Pat. 10886845 United States, Int. Cl.22 H02M 3/156, H02M 1/08, H02M 1/00. Detection method, detection circuit, controller and switching power supply : Appl. N 16/737466 : Filed 08.01.2020 : Pub. 05.01.2021 : / Bo Cai ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10886845/en?oq=US10886845.html (дата обращения: ДД.ММ.ГГГГ).