US Patent Issued to AAG Microtech (Changzhou) on Sept. 22 for "Sound-absorbing particle, preparation method thereof, and speaker" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,022, issued on Sept. 22, was assigned to AAG Microtech (Changzhou) Co. Ltd. (Changzhou City, China).

"Sound-absorbing particle, preparation method thereof, and speaker" was invented by Jie Zhang (Changzhou, China), Hezhi Wang (Changzhou, China), Chao Wang (Changzhou, China) and Zhongyang Wang (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a sound-absorbing particle, a preparation method thereof, and a speaker. The sound-absorbing particle is formed by combing a molecular sieve and an adhesive, and includes a first flat surface and a second flat surface symmetrically distributed to each other, and ...