ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,795, issued on March 24, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Electromagnetic microphone" was invented by Bo Li (Changzhou, China), Zhuanzhuan Zhao (Changzhou, China), Kaijie Wang (Changzhou, China), Yu Chen (Singapore), Rui Zhang (Changzhou, China) and Yang Li (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses an electromagnetic microphone including: a housing; a circuit board; and a sound transducer, including: a substrate including a back cavity, a vibrator mounted on a side of the substrate away from the circuit board and covering the back cavity, including: a mem...