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Pat. 9954461 United States, Int. Cl.22 G01R 19/00, H02H 7/122, H02M 1/12, H02M 1/32, H02M 1/44, H02M 7/12, H02M 7/162. Multiple stage gate drive for cascode current sensing : Appl. N 15/620018 : Filed 12.06.2017 : Pub. 24.04.2018 : / Rajko Duvnjak ; Assignee Power Integrations Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9954461/en?oq=US9954461.html (дата обращения: ДД.ММ.ГГГГ).