Photographic film projection dissolve system for arc lamp projec
Portable device with illumination and method therefor
Presentation imaging system
Presentation imaging system
Project or having a self-aligning replaceable projection lamp me
Projection display apparatus
Projection display device
Projection display system with varying light source
Projection display with a detachable lamp
Projection equipment and a method of driving a light source...
Projection system
Projection system and method for operating a discharge lamp
Projection system using a high-pressure discharge lamp...
Projection system, and method of operating a projection system
Projection type display apparatus
Projection type image display apparatus and display device
Projection type video display
Projection type video display
Projection type video display
Projection-type display apparatus and multiscreen display...