ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,909, issued on June 3, was assigned to Salunda Ltd. (Oxfordshire, Great Britain).
"Personnel safety sensing system" was invented by Alan Patrick John Finlay (Hereford, Great Britain) and Andrew Henry John Larkins (Berkshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A location system for locating workers including a plurality of light detectors mounted at known locations and configured to detect light from one or more workers, and a processing system configured to determine locations of the workers using the light detected by the light detectors. There is also disclosed a wearable device for locating a worker including a wireless t...