ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,835, issued on July 21, was assigned to OKUMA Corp. (Niwa-Gun, Japan).
"Servo system" was invented by Motozumi Yura (Niwa-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A servo unit includes a main controller, inverter units configured to control different motors in accordance with a command from the main controller, and a power unit that is configured to supply direct current power to each of the inverter units and that is communicable with the inverter units in parallel. The inverter units include a single key inverter unit. The main controller and the power unit communicate with each other via the key inverter unit that is a relay. The...