ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,689, issued on June 16, was assigned to TMEIC Corp. (Tokyo).
"Motor control device and motor control method" was invented by Kenshi Takao (Tokyo) and Shunsuke Tobayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motor control device includes a signal identifying unit and an overvoltage detecting unit. The signal identifying unit includes an optical isolator that converts an electrical signal supplied via a terminal to which an external device is connected and a switch that turns off a connection circuit connected to the terminal. The overvoltage detecting unit is configured to turn off the switch when a voltage applied to the connection...