ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,535, issued on May 6, was assigned to SEEGRID Corp. (Pittsburgh).
"Method and system for calibrating a light-curtain" was invented by Erich L. Foster (Pittsburgh).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of calibrating a light-curtain system of an autonomous mobile robot (AMR) is provided. The method includes providing a scanner set at a height above a ground surface and outputting a laser scanning beam downwardly reflect from at least one mirror; providing and/or determining initial mirror angles, mirror positions, and lidar height; calculating a lidar height from scanner data; determining a gradient vector as a byproduct of the lidar...