ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,926, issued on Feb. 10, was assigned to FANUC Corp. (Yamanashi, Japan).
"Object interference check method" was invented by Hsien-Chung Lin (Fremont, Calif.), Yongxiang Fan (Union City, Calif.) and Tetsuaki Kato (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object interference checking technique using point sets which uses CAD models of objects and obstacles and converts the CAD models to 3D points. The 3D point locations are updated based on object motion. The 3D points are then converted to 3D grid space indices defining space occupied by any point on any object or obstacle. The 3D grid space indices are then converted to 1D in...