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Pat. 9875860 United States, Int. Cl.22 H01H 9/54, H02J 3/46, H02M 1/32, H02M 5/458, H02M 7/00, H02M 7/49, H02M 7/493, H02M 1/00. Fiber optic ring for bypass system in multi-cell power supply : Appl. N 15/028952 : Filed 18.09.2013 : Pub. 23.01.2018 : / Paolo Malapelle, Vance Mcmichael, Peter Hammond ; Assignee Siemens Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9875860/en?oq=US9875860.html (дата обращения: ДД.ММ.ГГГГ).