ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,277, issued on March 24, was assigned to Tampnet AS (Stavanger, Norway).
"Locating disturbances in optical fibres" was invented by Steinar Bjornstad (Stavanger, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for determining a position of a disturbance to an optical fibre assembly comprises two monitoring units each comprising a respective light detector and a respective clock. The first monitoring unit receives a first digital optical signal from the optical fibre assembly. The second monitoring unit receives a second digital optical signal from the optical fibre assembly. The apparatus monitors the state of polarisation of the ...