US 12,192,704 B2
Microelectromechanical system microphone array capsule
Jeremy Parker, Chelmsford, MA (US)
Assigned to INVENSENSE, INC., San Jose, CA (US)
Filed by INVENSENSE, INC., San Jose, CA (US)
Filed on Dec. 8, 2022, as Appl. No. 18/063,374.
Claims priority of provisional application 63/289,165, filed on Dec. 14, 2021.
Prior Publication US 2023/0188904 A1, Jun. 15, 2023
Int. Cl. H04R 19/04 (2006.01)
CPC H04R 19/04 (2013.01) [H04R 2201/003 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A microelectromechanical system (MEMS) microphone comprising:
a MEMS microphone die;
an acoustic sensor array formed into the MEMS microphone die, the acoustic sensor array comprising a plurality of MEMS acoustic sensor elements, wherein respective ones of the plurality of MEMS acoustic sensor elements are tuned to different resonant frequencies; and
an interconnect that electrically couples the acoustic sensor array to an impedance converter circuit.