ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,275, issued on March 24.

"Methods and apparatus for implementing a fiber optic reflectance standard" was invented by Lance S Doddridge (Ontario, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, and systems are disclosed for implementing a fiber optic reflectance standard (FORS) for testing and/or calibration of a test instrument (TI), which provides a traceable means to calibrate the making optical return loss measurements (ORLM). The apparatus for implementing the FORS may include an optical splitter, first and second optical inputs coupled to the optical splitter, and an optical fiber having first and second ends, and cou...