Adjustable reflective mirror module and projection apparatus...
Anamophic optical system
Apparatus and method for displaying floor, ceiling and wall cove
Apparatus and method for displaying floor, ceiling, and wall cov
Apparatus and method to display images from projection...
Arrangement for, and method of, enhancing image projection...
Assembly for projecting an image onto a projection surface
Asymmetrical tunnel for spatially integrating light
Automatic focus for overhead projector