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Pat. 9974123 United States, Int. Cl.22 G05F 1/00, G05F 1/56, H05B 44/00, H05B 37/02, H05B 39/04, H05B 41/36, H02M 3/156, H02M 3/335, H05B 41/282. Power supply system and method and circuit using the same : Appl. N 15/320313 : Filed 26.06.2015 : Pub. 15.05.2018 : / Shan Wang, Kai Qi Tian, Gang Wang ; Assignee Philips Lighting Holding Bv ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9974123/en?oq=US9974123.html (дата обращения: ДД.ММ.ГГГГ).