US Patent Issued to SHENZHEN SHOKZ on March 18 for "Bone conduction speaker and compound vibration device thereof" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,209, issued on March 18, was assigned to SHENZHEN SHOKZ Co. LTD. (Shenzhen, China).

"Bone conduction speaker and compound vibration device thereof" was invented by Xin Qi (Shenzhen, China), Fengyun Liao (Shenzhen, China), Jinbo Zheng (Shenzhen, China), Qian Chen (Shenzhen, China) and Hao Chen (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to...