ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,155, issued on March 31, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Speaker box" was invented by Xin Jin (Changzhou, China), Wei Song (Changzhou, China), Yun Tang (Changzhou, China) and Jie Ma (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a speaker box including: a housing and a speaker, including: a frame; a vibration system, including: a diaphragm; and a coil; a magnet system, including: a main yoke; a main magnet; and an elastic support member, including: a bottom wall surrounding the main yoke; and a side wall; a metal mesh cover surrounding the elastic support mem...