US Patent Issued to Rytec on Sept. 2 for "System and method for safety management in roll-up doors" (Wisconsin Inventor)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,714, issued on Sept. 2, was assigned to Rytec Corp. (Jackson, Wis.).

"System and method for safety management in roll-up doors" was invented by Daniel Gregoriou (Kewaskum, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A safety curtain and system includes multiple light emitters and multiple light receivers to detect traffic approaching a doorway. The safety curtain my include pairs of multiple light emitters and receivers positioned on both sides of a passageway (doorway) so as to detect approaching traffic. The multiple light emitters and light receivers may detect a height of an approaching traffic (e.g., person or vehicle) and initiate warn...