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Pat. 9924571 United States, Int. Cl.22 H05B 37/02, H02M 1/00, H02M 1/08, H02M 3/335, H05B 44/00. Operating circuit for energizing a lamp, LED converter, and method for operating an operating circuit : Appl. N 15/503091 : Filed 19.10.2015 : Pub. 20.03.2018 : / Mathias Duenser ; Assignee Tridonic Gmbh and Co Kg ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9924571/en?oq=US9924571.html (дата обращения: ДД.ММ.ГГГГ).