Output stabilization for a laser matrix

Overhead projector

Overhead projector with pivoting lamp changer and color adjustme

Overlapping waveform utilization in projection systems and...

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