US Patent Issued to II-VI Delaware on Sept. 1 for "Circulator cable for use with a pluggable optical time domain reflectometer" (British, American, Chinese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,946, issued on Sept. 1, was assigned to II-VI Delaware Inc. (Wilmington, Del.).

"Circulator cable for use with a pluggable optical time domain reflectometer" was invented by Ian Peter McClean (Brixham, Great Britain), Sigfried Fleischer (Los Gatos, Calif.) and Vincent Ouyang (Fuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circulator cable configured to couple an optical time domain reflectometer (OTDR) to an optical fiber span under test is provided. The circulator cable includes a bandpass optical filter configured to be coupled to an optical input port of the OTDR; and a directional optical coupling device coupled to the bandpass o...