ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,855, issued on July 14, was assigned to VIAVI SOLUTIONS INC. (Chandler, Ariz.).
"High resolution time domain reflectometry (TDR) in fault location measurement in a cable network" was invented by Daniel Keith Chappell (Greenwood, Ind.) and Loren Eggert (Indianapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A test instrument connectable to a cable television (CATV) network to provide a high resolution time domain reflectometry (TDR) in a fault location measurement is disclosed. The test instrument may have a port connectable to a test point in the CATV network. The test instrument may also have a processing circuit to perform a calibration measu...