ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,993, issued on Oct. 20, was assigned to AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co. LTD. (Shenzhen, China).
"Bone conduction microphone" was invented by Zhenkui Meng (Shenzhen, China), Xing Yu (Shenzhen, China) and Ting Kang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bone conduction microphone is disclosed. The bone conduction microphone includes a circuit board, a housing engaged with the circuit board, a metal cover engaged with the circuit board for forming a first cavity, a vibration assembly, and a MEMS chip disposed in the first cavity. The metal cover includes a top wall and a side wall. The vibration assembly engages with...