ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,885, issued on Nov. 3, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Plant control protection device" was invented by Susumu Okuda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This plant control protection device includes: monitoring operation circuitry to perform monitoring operation for keeping a plant component in a normal state; and a protection control circuitry which performs process control by transmitting an automatic control signal to the plant component in accordance with the state of the plant component. The monitoring operation circuitry includes a manual transmission circuitry for manually transmitting a manual block signa...