Adaptive illumination modulator
Aperture control mechanism, particularly for planetarium project
Arrangement for cutting off radiation in projectors and/or...
Asymmetric aperture diaphragm placing structure for...
Audience scanning laser display projector and associated...
Blanking device and projector having the same
Color component aperture stops in projection display system
Color component aperture stops in projection display system
Compact projection systems using multiple light sources
Contrast and brightness enhancing apertures for illumination...
Correcting apparatus for projection system
Correcting apparatus for projection system
Deep ultraviolet unit-magnification projection optical...
Device for adjusting light intensity for discharge lamp...
Device for adjusting light intensity for discharge lamp...
Device for the projection/reflection of images
Display apparatus
DMD equipped projector
Dynamically adjustable fold-mirror assembly for projection...
External projection lens aperture