ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,227, issued on March 17, was assigned to SHENZHEN SHOKZ Co. LTD. (Shenzhen, China).
"Vibration plates" was invented by Guangyuan Zhu (Shenzhen, China), Peigeng Tong (Shenzhen, China), Fengyun Liao (Shenzhen, China) and Xin Qi (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure provide a vibration plate including a ring structure, vibrating member, and a plurality of rods. A central region of the ring structure is a hollow-out region. The vibrating member is configured to be connected with a magnetic circuit system, and the vibrating member is located in the hollow-out region of the ring structure. T...