ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,666, issued on June 23, was assigned to CACI, Inc.-Federal (Reston, Va.).

"System and methods of detecting loss of signal in free space optical communications" was invented by Craig Darren Howland (Neptune, N.J.) and Leonid Ayzenshtat (Succasunna, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application at least describes a system for detecting loss in free space optical communications (FSOCs). The FSOC may include a sensor located downstream of the power supply unit. The FSOC may also include a signal conditioning unit (SCU) located downstream of the sensor. The FSOC may also include a comparator located downstream of the SCU. Th...