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Pat. 10122282 United States, Int. Cl.22 H02M 3/335, H02M 1/42, H02M 1/44, H02M 5/257, H02M 7/217, H05B 37/02, H05B 44/00, H02M 1/00. Isolation of secondary transformer winding current during auxiliary power supply generation : Appl. N 15/336835 : Filed 28.10.2016 : Pub. 06.11.2018 : / John L. Melanson, Prashanth Drakshapalli, Siddharth Maru ; Assignee Philips Lighting Holding Bv ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10122282/en?oq=US10122282.html (дата обращения: ДД.ММ.ГГГГ).