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Pat. 10051696 United States, Int. Cl.22 H05B 44/00, H02M 1/42, H02M 3/335, H05B 41/288. Switching power supply device and light illuminating apparatus having the same : Appl. N 15/261756 : Filed 09.09.2016 : Pub. 14.08.2018 : / Lisong Wu ; Assignee Hoya Candeo Optronics Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10051696/en?oq=US10051696.html (дата обращения: ДД.ММ.ГГГГ).