ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,095, issued on Jan. 20, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Multifunctional sounding device" was invented by Bo Xiao (Changzhou, China) and Ronglin Linghu (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a multifunctional sounding device including a housing with an accommodating cavity and a sounding driver including a basket frame, a vibration system fixed to the basket frame, and a magnetic circuit system configured to drive the vibration system to vibrate along a first direction to generate sound. The multifunctional sounding device further includes a coil config...