ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,468, issued on Oct. 20, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Condition monitoring device, ground wireless device, on-board wireless device, failure risk determination method, control circuit, and storage medium" was invented by Tetsuya Aoyama (Tokyo) and Yuji Miyake (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A condition monitoring device monitors conditions of ground wireless devices and an on-board wireless device which constitute a wireless train control system adopting a time-division multiplexing scheme. The device includes: a wired connection unit that acquires a result of measurement of an error between a transmission...