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Pat. 10491115 United States, Int. Cl.22 H02M 3/156, H05B 44/00, G05F 1/445, G05F 1/67, H02J 1/10, H02J 3/38, H02J 9/06, H02M 1/08, H02M 7/217. Arrangement and method for delivering a current-controlled voltage : Appl. N 15/845139 : Filed 18.12.2017 : Pub. 26.11.2019 : / Miikka Karna, Tuomas Heikkila ; Assignee Tactotek Oy ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10491115/en?oq=US10491115.html (дата обращения: ДД.ММ.ГГГГ).