ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,572, issued on Sept. 9, was assigned to FANUC Corp. (Yamanashi, Japan).

"Safety vision device, and safety vision system" was invented by Youhei Nakada (Yamanashi, Japan) and Takeshi Motodaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robot decelerates or stops, without using an area sensor, when a worker enters a robot operating area. The safety vision device includes a human three-dimensional skeleton estimation model, a robot three-dimensional skeleton estimation model, an input unit for inputting a two-dimensional image of a worker and a robot captured by an external camera, and a distance and a tilt between the camera and the robot...