Reflection type overhead projector

Details Reflection type overhead projector Reflection type overhead projector

G - Physics

03

B

G03B 21/132 (2006.01) G02F 1/1335 (2006.01)

Patent

CA 2047772

-33- ABSTRACT OF THE DISCLOSURE A mirror Fresnel lens (12) is disposed on a base (11), on which a liquid crystal display (18) is mounted. The liquid crystal display (18) is provided with a polarization plate (24) only in the mirror Fresnel lens (12) side. Light from a light source (15) passes through the liquid crystal display (18), is reflected by the mirror Fresnel lens (12), again passes through the liquid crystal display (18), is converged by a projection lens 16 and reflected by the mirror (17) and eventually arrives at a screen (20). A separated polarization plate (25) is provided in a manner to overlap with the projection lens 16. The separated polarization plate (25) is paired with the polarization plate (24).

Affiliated with

Also associated with

Rating

Reflection type overhead projector does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reflection type overhead projector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reflection type overhead projector will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1407927