ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,278, issued on Oct. 21, was assigned to AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co. LTD. (Shenzhen, China).
"MEMS optical microphone" was invented by Taimoor Ali (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "An MEMS optical microphone, including a casing including an inner cavity and a sound inlet that communicates the inner cavity with outside; an MEMS module including a diaphragm suspended in the inner cavity, an aperture is provided penetrating through the diaphragm, and a size of the aperture increases or decreases with acoustic pressure applied to the diaphragm; an optoelectronic module including an electromagnetic radiation source and a ...