Dual mode spectrometer test station
Dual sample cell gas analyzer
Dual sensor radiation detector
Dual spectral range target tracking seeker
Dual spectrum infrared fire detector
Dual spectrum infrared fire sensor
Dual use RF directed energy weapon and imager
Dual wavelength microbend sensor
Dual-band optoelectronic imaging apparatus including "venetian b
Dual-chamber gas sampling device
Dual-wavelength thermal infrared sensor
Duplicative detector sensor
Dusk delay system for outdoor motion detection
Dynamic offset correction in detector arrays
Dynamically standardized radiant energy method and apparatus for