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Pat. 11159087 United States, Int. Cl.22 H02M 3/158, G01D 21/00, H04L 12/40. Switching regulator circuit, field device and power supply method : Appl. N 16/829328 : Filed 25.03.2020 : Pub. 26.10.2021 : / Bjorn Haase, Manuel Schmittner ; Assignee Endress and Hauser Conducta Gmbh and Co Kg ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11159087/en?oq=US11159087.html (дата обращения: ДД.ММ.ГГГГ).