Scrolling projection system and method

Scrolling unit and projection system using the same

Scrolling unit, color illuminating system, and projection...

Sealed lamp device and projector

Securing device for transparent documents in a flatbed...

Securing device for transparent documents in a flatbed...

Segment type color wheel and manufacturing method of same

Segmented ellipsoidal projection system

Segmented light pipe apparatus and method for increasing...

Segmented torus screen

Selectable projector and imaging modes of display table

Selection for microfiche cartridge

Selective real estate display systems

Selectively positionable slide tray position sensing arrangement

Selector interlock for microfiche cartridge

Self correcting projector

Self-configurable ad-hoc projector cluster

Self-contained cool-down system for a video projector

Self-illuminating concave video screen system

Self-protected imageable presentation transparency assembly