ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,276, issued on Oct. 21, was assigned to AAC Kaitai Technologies (Wuhan) Co. LTD (Wuhan, China).
"MEMS microphone including a cross beam assembly" was invented by Kaijie Wang (Shenzhen, China) and Bei Tong (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A MEMS microphone includes a substrate having a back cavity, a vibration diaphragm system, and a housing. The vibration diaphragm system includes at least two sub-vibration diaphragm assemblies, a slit is formed between adjacent two of the at least two sub-vibration diaphragm assemblies, one end, distal from the housing, of each of the at least two sub-vibration diaphragm assemblies is...