ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,142, issued on Dec. 2, was assigned to KONE Corp. (Helsinki).
"Monitoring objects in an elevator shaft using an UAV" was invented by Otto Pekander (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a system monitor a movable object in an elevator shaft by an unmanned aerial vehicle (UAV). The UAV is positioned into a wanted location within the elevator shaft, in which the movable object to be monitored is within view of an imaging sensor of the UAV, and movement of the UAV is automatically synchronized with the movement of the movable object based on UAV's on position and movement characteristics and received status data. Imaging s...