ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,921, issued on Dec. 9, was assigned to BYD Co. Ltd. (Shenzhen, China).
"Method for preventing turnout conflict and target control device" was invented by Chujun Chen (Shenzhen, China), Kaikuo Zhuo (Shenzhen, China) and Weihua Liu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preventing a turnout conflict of a railway is applicable to a railway controller and includes: receiving a first request from a first train and a second request from a second train for using a turnout within a time period; determining whether a first distance between a current position of the first train and the turnout is equal to a second distance...