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Pat. 10257625 United States, Int. Cl.22 H04R 25/00, H02M 3/07, H02M 3/18, H03H 19/00, H04B 5/00, H04R 1/00, H04R 9/06, H04R 11/02. Hearing device comprising switched capacitor DC-DC converter with low electromagnetic emission : Appl. N 15/816600 : Filed 17.11.2017 : Pub. 09.04.2019 : / Dennis Oland Larsen, Ivan Riis Nielsen ; Assignee Gn Hearing As ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10257625/en?oq=US10257625.html (дата обращения: ДД.ММ.ГГГГ).