ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,299, issued on March 31, was assigned to SLZ Inc. (Siheung, South Korea).

"Method, server and device for outputting XR content corresponding to a target within a construction site based on voice recognition" was invented by Jae Heon Jung (Seoul, South Korea) and Yu Mi Lee (Incheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an electronic device of wearable form worn on a user's head and outputting XR content in front of the user including a sensing unit including at least one sensor a display unit, and a processor configured to map BIM data of a construction site in which the user is located to a sp...