US Patent Issued to EXFO on June 30 for "Method and apparatus of distributed acoustic sensing" (Canadian Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,626, issued on June 30, was assigned to EXFO Inc. (Quebec, Canada).

"Method and apparatus of distributed acoustic sensing" was invented by Hongxin Chen (Montreal), Michel Leblanc (Quebec, Canada) and Michel Leclerc (Quebec, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a method and an apparatus of fiber optic distributed acoustic sensing (DAS) which can use low-cost coherent laser as well as low-cost acquisition and processing electronics and which can still provide reliable monitoring results for optical fiber monitoring and troubleshooting applications in optical fiber telecommunication networks. Such low-cost solution is...