Dynamic projection screen

Details Dynamic projection screen Dynamic projection screen

2006-10-31

2006-10-31

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

C359S450000, C359S459000, C430S020000, C430S962000, C430S199000, C430S356000

Reexamination Certificate

active

07130118

ABSTRACT:
An enhanced-contrast projection screen and method of controlling such screens are disclosed. An embodiment of a dynamic projection screen includes a passive layer and at least one active layer. The active layer is superimposed on at least a portion of the passive layer and is adapted to selectively toggle between being transparent and being opaque. A method of controlling such a screen includes determining desired dimensions of a reflective region, and activating at least a portion of an active layer superimposed on at least a portion of a passive layer. The active layer is adapted to selectively toggle between being transparent and opaque.

REFERENCES:
patent: 6221543 (2001-04-01), Guehler et al.

Affiliated with

Also associated with

Rating

Dynamic projection screen does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3631725