Overhead image projecting optical system

Details Overhead image projecting optical system Overhead image projecting optical system

G - Physics

03

B

240/74, 88/46.5

G03B 21/132 (2006.01) G02B 27/18 (2006.01) G03B 21/28 (2006.01)

Patent

CA 1050312

ABSTRACT A compact portable overhead projector providing improved uniformity and efficiency of illumination employs an off-focus light source within a truncated light- diffusing ellipsoidal reflector in conjunction with an off-focus aperture plate adjacent the open end of the reflector.

246891

Affiliated with

Also associated with

Rating

Overhead image projecting optical system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Overhead image projecting optical system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Overhead image projecting optical system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1118857