ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,730, issued on Dec. 23, was assigned to TMEIC Corp. (Tokyo).
"Scada web HMI system" was invented by Ryo Shimizu (Tokyo), Akira Nojima (Tokyo) and Nobuo Shimizu (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a SCADA web HMI system that can reduce a load for processing an alarm signal in a large-scale system. An HMI server apparatus performs buffering processing and alarm filtering processing. In the buffering processing, in a case where a received block data includes a set of alarm signals, at least the set of alarm signals included in the block data is temporarily stored in an alarm buffer memo...