ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,328, issued on May 12, was assigned to CyberSecure Innovations LLC (Prince Frederick, Md.).

"Activity detection in fiber optic network" was invented by Bobby Nakanelua (Elizabethtown, Ky.), Stephen Sohn (Cummings, Ga.) and Scott Rye (Prince Frederick, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, local intensity extrema at different wavelengths of a wavelength range reflected across a first cable of a first mode may be determined, the wavelength range being reflected by a second cable of a second mode different from the first mode. Reference locations for sampling windows of the wavelength range may be determined based on th...