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Pat. 9899881 United States, Int. Cl.22 H01F 27/42, H01F 37/00, H01F 38/00, H02J 50/12, H02J 50/40, H02M 7/537, H02J 7/02, H02M 1/00. Wireless power transmitting device : Appl. N 15/130028 : Filed 15.04.2016 : Pub. 20.02.2018 : / In Wha Jeong, Young Woon Choi, Tae Won Heo ; Assignee Samsung Electro Mechanics Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9899881/en?oq=US9899881.html (дата обращения: ДД.ММ.ГГГГ).