ALEXANDRIA, Va., June 25 -- United States Patent no. 12,342,113, issued on June 24, was assigned to Nokia Technologies Oy (Espoo, Finland).
"Microphone apparatus" was invented by Ian Davis (Wicklow, Ireland), Oliver Burns (Oldcastle, Ireland), Diarmuid O'Connell (Athy, Ireland), Akshat Agarwal (Clonmagaddan, Ireland) and Nicholas Jeffers (Wicklow, Ireland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microphone apparatus including: a casing; a composite material located within the casing, the composite material including at least in part conductive particles, the composite material configured to alter an internal impedance based on a surface disturbance transmitted by an acoustic wave, and wherein the mic...