ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,236, issued on March 24, was assigned to TMEIC Corp. (Tokyo).
"SCADA web HMI client device and 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: "A SCADA web HMI client device comprises a processor and a memory. The memory stores a user access level, image data for an HMI screen, and screen access authority information, all received from a web server. The screen access authority information includes an operation access level of the HMI screen and operation permission/prohibition of the HMI screen by the web browser. The processor draws the HMI scree...