Determining angle of incidence with respect to workpiece
Device with infrared search head for detection and engagement of
Direction indicating device
Direction-sensing virtual aperture radiation detector
Distributed laser obstacle awareness system
Doppler tracking optical monopulse
Doppler tracking optical monopulse
Elevation-angle sensing, celestial navigation and surveying
Error cancelling scanning optical angle measurement system
Fiber optic guidance system for laser guided missiles
Fiber optical laser detection and ranging system
Flight trajectory and observation theodolite
G-hardened optical alignment sensor
Geodetic instrument
Geodetic instrument
Gimbaled system with optical coudé path and method...
High precision GPS/RTK and laser machine control
Holographic field lens detector
Horizon indicating device for marine sextant
Hybrid orthogonal localization and orientation system