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Pat. 9917502 United States, Int. Cl.22 G04G 19/02, B60K 35/00, F02D 41/02, H02M 1/14, H02M 7/219, F02D 41/22, F02N 11/08, G04G 11/00, H02M 1/00. Universal signal processing system and method : Appl. N 14/950115 : Filed 24.11.2015 : Pub. 13.03.2018 : / Michael Mcmahon, Isaac Kirbawy ; Assignee Delta Systems Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9917502/en?oq=US9917502.html (дата обращения: ДД.ММ.ГГГГ).