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Pat. 9887643 United States, Int. Cl.22 G05F 1/00, H02M 1/00, H02M 7/757, H02M 7/797, H02J 3/28, H02J 7/02, H02M 7/219, H02M 7/48. Bidirectional electrical signal converter : Appl. N 15/023228 : Filed 19.09.2014 : Pub. 06.02.2018 : / Afshin Izadian ; Assignee Indiana University Research and Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9887643/en?oq=US9887643.html (дата обращения: ДД.ММ.ГГГГ).