ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,520, issued on May 19, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Optical fiber measurement system" was invented by Qiang Guo (Shenzhen, China), Rui Zhou (Shenzhen, China) and Zhiqun Yang (Tianjin, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical fiber measurement system includes an optical time-domain reflectometer, a wavelength division multiplexer, and a signal generator. The signal generator sends a signal light ray to the wavelength division multiplexer. The optical time-domain reflectometer sends two measurement light rays whose wavelengths are respectively longer than and shorter than a wavelength of the s...