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Pat. 10349170 United States, Int. Cl.22 H04R 3/00, B81B 7/00, H02M 3/07, H03F 3/183, H03F 3/45, H04R 3/04, H04R 19/00, H04R 19/04. Microelectromechanical systems (MEMS) microphone bias voltage : Appl. N 16/030617 : Filed 09.07.2018 : Pub. 09.07.2019 : / Kieran Harney, Adrianus Maria Lafort, Brian Moss, Dion Ivo De Roo ; Assignee Invensense Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10349170/en?oq=US10349170.html (дата обращения: ДД.ММ.ГГГГ).