ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,716, issued on Dec. 16, was assigned to Assa Abloy Entrance Systems AB (Landskrona, Sweden).

"System and method for controlling the operation of a door" was invented by Stefan Paulsson (Odakra, Sweden) and Patrik Lerpard (Limhamn, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system, method and computer program product for controlling the operation of a door (1) to a room, the method comprising (S1) obtaining at least a first air pressure data (1ap) based on an air pressure on the inside of the door (1), (S2) obtaining at least a second air pressure data (2ap) based on the air pressure on the outside of the door (1), and (S5) determining a...