ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,785, issued on March 24, was assigned to EAGLE TECHNOLOGY LLC (Melbourne, Fla.).

"Distributed acoustic sensing (DAS) system for acoustic event detection based upon covariance matrices and related methods" was invented by Chad Lau (Melbourne, Fla.), Mark D. Rahmes (Melbourne, Fla.), Austin Brigham (Melbourne, Fla.), Kevin Gustke (Merritt Island, Fla.), Stephen Bauman (Palm Bay, Fla.), John Gallo (Jacksonville, Fla.) and Shawn Patrick Gallagher (Grant, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A distributed acoustic sensing (DAS) system may include an optical fiber, a phase-sensitive OTDR (Phi-OTDR) coupled to the optical fiber, and a proce...