Adjusting mechanism of light integration rod module, optical...
Architecture for a projector
Condenser lens system for overhead projector
Condenser lens, polarizing element, light source apparatus, and
Condenser system
Condensers for illumination systems
Condensers for overhead projectors
Displaying optical system and image projection apparatus
Dual grooved Fresnel lens for overhead projection
Efficient illumination for display systems and in methods...
Focusing system for videoprojector
Illuminating apparatus
Illuminating apparatus and projecting apparatus
Illumination apparatus and image projection apparatus
Illumination apparatus and image projection apparatus
Illumination apparatus and image projection apparatus
Illumination apparatus and image projection apparatus
Illumination apparatus and projection type display apparatus
Illumination apparatus and video projection display system
Illumination optical apparatus and projection type display...