ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,493, issued on March 24, was assigned to CASCO SIGNAL LTD. (Shanghai).

"Automatic adjustment method for train operation diagram, storage medium, and electronic device" was invented by Yongtao Qiao (Shanghai), Chiyue Liu (Shanghai) and You Sun (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic adjustment method includes: drawing a closing symbol in case of emergency during train operation, and determining a closed section for adjusting a train operation diagram and adjustment conditions for the operation diagram by the closing symbol; obtaining a train set to be adjusted based on the adjustment conditions for the operation diagram...