Projection-type liquid crystal display device with even color
Projection-type multi-color liquid crystal display device
Projector and method
Projector using guest-host liquid crystal cells for improved col
Quick change lens system
Radiation concentrating system
Rear projection screen
Rear-projection viewing screen
Remote stereo microscope with field mirror reflected ocular path
Rotary screen for receiving optical images particularly advertis
Screen microscope with variable illumination
Semiconductor device having an improved dual-gate field effect t
Ship's maneuvering simulator
Single eyepiece binocular microscope
Single substrate semiconductor device for image sensing and prin
Solar lighting system
Speckle elimination by random spatial phase modulation
Spectral-zonal color reconnaissance system
Stereo imaging system
Stereoscopic projection microscopy