Catadioptric projection lantern

Centrifugal illumination system

Cylindrical lens array for scrolling colors, projection...

Desk level overhead projector

Device with micro-filters for selecting colors and images

Distortion correction for an overhead projector system

Distortion correction for an overhead projector system

Illuminating apparatus and projecting apparatus

Illuminating apparatus and projecting apparatus

Illuminating device and projection type video display apparatus

Illuminating optical system and projection type display

Illuminating optical system and projector

Illuminating system, projection apparatus and detecting apparatu

Illumination apparatus and a projection type image display...

Illumination apparatus and projection apparatus compensating...

Illumination device and projection display device

Illumination device and projector equipped therewith

Illumination device, projection video display device, and...

Illumination optical apparatus and projection type display...

Illumination optical system and image display apparatus...