Radiation responsive integrating amplifier
Radiometer
Radiometer for detecting and measuring low levels of pulsed...
Radiometer including means for alternately measuring both power
Real time reflectometer
Reflectometer optical system
Remote pointing system, device, and methods for identifying...
Sample support with a non-reflecting sample supporting surface
Scalar irradiance meter
Scanning imaging system having reduced detected signal aliasing
Self-targeting reader system for remote identification
Semiconductor storage apparatus
Sensing system
Solar energy device and method
Solar energy flux integrator
Solar energy metering and recording system
Spatial scanning means for a photometer
Specific density detector with electro mechanical actuator...
Spectrophotometer and subassemblies thereof
Storage circuit for photometer