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Pat. 11289994 United States, Int. Cl.22 H02M 1/08, H02M 3/156, H02M 1/00, H02M 3/158. Circuit arrangement and power electronic converter circuit having a driver circuit and a coil : Appl. N 16/862954 : Filed 30.04.2020 : Pub. 29.03.2022 : / Jens Friebe, Oliver Prior, Thomas Wappler ; Assignee Sma Solar Technology Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11289994/en?oq=US11289994.html (дата обращения: ДД.ММ.ГГГГ).