Radiation source position detection method, radiation source...
Reentry vehicle interceptor with IR and variable FOV laser...
Relative azimuth measuring method and apparatus
Relative-angle detection apparatus
Remote control surveying
Remote controlled land surveying assistance device for path resp
Remote controlled, CRT digital display, LLLTV camera-sextant
Remote position sensing apparatus and method
Response ratioing angle of arrival sensor that is responsive to
Retroreflectors
Rotary laser irradiating system
Rotating head optical transmitter for position measurement...
Rotating head optical transmitter for position measurement...
Self-aligning laser transmitter having a dual slope grade mechan
Self-leveling system for optical distance measuring instruments
Sensor for determining the angular position of a radiating...
Shot simulator using laser light for simulating guided missiles
Single multiple aperture (“SMART”) lens system
Single wheel celestial navigator
Spatially resolving range-finding system