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Pat. 11090105 United States, Int. Cl.22 A61B 18/12, H02M 3/158, A61B 18/00, A61B 18/14, A61B 18/16, H02M 1/00. Ancillary circuit to induce zero voltage switching in a power converter : Appl. N 16/699854 : Filed 02.12.2019 : Pub. 17.08.2021 : / Steven C. Rupp, Robert B. Smith, Daniel A. Friedrichs ; Assignee Covidien Lp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11090105/en?oq=US11090105.html (дата обращения: ДД.ММ.ГГГГ).