ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,627, issued on May 19, was assigned to AAG Technologies (Nanjing) Co. Ltd. (Nanjing, China).

"Speaker displacement protection method and device, and computer-readable storage medium" was invented by Hongling Fu (Nanjing, China), Ruizhi Lan (Nanjing, China) and Lijian Ye (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A speaker displacement protection method, a speaker displacement protection device, and a computer-readable storage medium are provided. The speaker displacement protection method includes creating a target transfer function based on a real-time amplitude of the speaker and a fusion voltage relative to the combination devi...