ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,737, issued on March 24, 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 shell including an inner cavity and a sound inlet that communicates the inner cavity with outside; a MEMS module including a diaphragm suspended in the inner cavity, a light flap is formed in the diaphragm, when an acoustic pressure is applied, an aperture is formed by opening of the light flap, and a size of the aperture increases or decreases with a magnitude of the acoustic pressure applied; an...