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Pat. 9973095 United States, Int. Cl.22 H02M 1/08, H02M 1/32, H02M 1/36, H02M 3/335, H02M 1/00. Control method and device for quasi-resonant high-power-factor flyback converter : Appl. N 15/344288 : Filed 04.11.2016 : Pub. 15.05.2018 : / Claudio Adragna, Giovanni Gritti ; Assignee Stmicroelectronics Srl ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9973095/en?oq=US9973095.html (дата обращения: ДД.ММ.ГГГГ).