ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,770, issued on Nov. 4, was assigned to SEW-EURODRIVE GMBH & Co. KG (Bruchsal, Germany).

"Method for operating a technical installation, and technical installation" was invented by Thomas Schafer (Karlsdorf-Neuthard, Germany) and Andreas Wanjek (Waghausel, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for operating a technical installation that includes an outer zone, a danger zone, an access zone which provides for access from the outer zone to the danger zone, a light curtain for monitoring the access zone, and at least one mobile system: a protective field is generated and activated in the access zone by the light curtain befor...