Formatting projector
Framing projector with adjustable shutter
High contrast projection
High contrast projection
Illumination aperture for projection display
Illumination attenuation system
Illumination system and projection system incorporating same
Illumination system with non-radially symmetrical aperture
Illuminator and projector
Image display control panel for overhead projectors
Image mask for microfiche
Image pick-up device
Image projecting apparatus
Image projecting system
Image projector
Interface tube with stepped configuration
Lens device and projector having diaphragm mechanisms with...
Lens device and projector having diaphragm mechanisms with...
Lens device and projector having diaphragm mechanisms with...
Lens device and projector having diaphragm mechanisms with...