ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,835, issued on Feb. 10, was assigned to Hitachi Ltd. (Tokyo).
"Failure detection device and failure detection method for electric actuator for emergency stop device" was invented by Yuki Saito (Tokyo), Akira Iwamoto (Tokyo), Hiroki Matsuura (Tokyo) and Hiroyuki Yamamoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a failure detection device for an electric actuator for an emergency stop device that can improve maintainability of an electric device portion. The failure detection device for the electric actuator for the emergency stop device detects a failure of the electric actuator (10). The electric actuator actuates a drive me...