ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,695, issued on Nov. 25, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Emergency report system for elevator" was invented by Sho Ishihara (Tokyo) and Mitsumasa Mori (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide an emergency report system (1) that may detect that pressing of a phone call button (13) is continued based on a calling state retained even after pressing of the phone call button (13) is finished. The calling state is stored when the phone call button (13) of an interphone extension unit (8) is pressed inside a car (6). Storing of the calling state is retained even after pressing...