ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,793, issued on March 31, was assigned to EMRED SENSOR TECHNOLOGY Co. LTD (Guilin, China).

"Height measurement system" was invented by Mengying Shi (Guilin, China), Bing Liang (Guilin, China), Guanglu Yang (Guilin, China), Jinhua Lan (Guilin, China), Jingkun Zhou (Guilin, China) and Yue Wu (Guilin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A height measurement system includes: a first fixed assembly, configured to connect to an external fixing part so that the height measurement system is fixed on the external fixing part for use; a head plate, configured to move downwards from the first fixed assembly to the head of a user; a second fixe...