ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,509, issued on July 7.

"Structure for automatically measuring paper width for printer" was invented by Zhuo Jia (Guangzhou, China), Jinpeng Yuan (Guangzhou, China), Shuzhong Liu (Guangzhou, China), Dongrui Li (Guangzhou, China) and Qi Wang (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is a structure for automatically measuring a paper width for a printer, including: a width adjustment mechanism installed in the printer and at least one restraint arm driven by the width adjustment mechanism, where an inductor is also arranged inside the printer, the width adjustment mechanism or the restraint arm comes into contact wit...