ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,391, issued on Aug. 4, was assigned to SHENZHEN SHOKZ Co. LTD. (Shenzhen, China).

"Acoustic devices and methods for determining transfer functions thereof" was invented by Jinbo Zheng (Shenzhen, China), Chengqian Zhang (Shenzhen, China), Le Xiao (Shenzhen, China), Fengyun Liao (Shenzhen, China) and Xin Qi (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses an acoustic device and a method for determining a transfer function thereof. The acoustic device includes a sound production unit, a first detector, a processor, and a fixing structure. The sound production unit is configured to generate a first sound si...