ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,691, issued on March 25, was assigned to SUPREMA INC. (Seongnam-si, South Korea).

"Method and system for managing door access using beacon signal" was invented by Dong Mok Shin (Seongnam-si, South Korea), Seong Bin Choi (Seongnam-si, South Korea) and Jae Won Lee (Seongnam-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system allow management of access to a door using a beacon signal. A user access authority determination unit controls access of a user to a target door based beacon data from beacons installed near a door. The user carries a terminal that obtains the beacon data based on a proximity to the beacons. The me...