Apparatus for concentrating solar energy

Apparatus for controlling projection of optical layup template

Apparatus for controlling slide projectors

Apparatus for detecting a projection angle in a projection syste

Apparatus for displaying a color image from digital data

Apparatus for displaying a color image from digital data

Apparatus for facilitating correlation with a transparency image

Apparatus for fine-adjusting orientation of optical device

Apparatus for fixing a reflective or transmissive...

Apparatus for fixing a reflective or transmissive...

Apparatus for fixing an optical system

Apparatus for image projecting having a matrix type of...

Apparatus for indicating a line and for producing and visually d

Apparatus for indicating mounting positions of components

Apparatus for mounting a data/video projector in a portable...

Apparatus for positioning and adjusting a light pipe

Apparatus for presentation of three-dimensional images

Apparatus for projecting an image having a convoluted focal plan

Apparatus for projecting any selected image in a recording mediu

Apparatus for projecting enlarged video images