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Pat. 10560031 United States, Int. Cl.22 H02M 1/08, H02M 3/335, H02M 1/00. Bi-directional DC to DC signal conversion using observer based estimated current sensor : Appl. N 15/839650 : Filed 12.12.2017 : Pub. 11.02.2020 : / John Duward Sagona ; Assignee Hamilton Sundstrand Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10560031/en?oq=US10560031.html (дата обращения: ДД.ММ.ГГГГ).