ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,328, issued on April 29, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Operation display device for elevator" was invented by Yumiko Yamazaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "In order to make an operation display device that performs floor setting or maintenance work remotely with a remote controller smaller and better in design, it is equipped with: a faceplate 6 having a display opening 6a; a transmissive plate 7 closing the display opening 6a; an internal sheet metal 9 having a wiring opening 9a and disposed on the back side of the faceplate 6; a liquid crystal display 8 fixed to the front face of the internal sheet meta...