Dual projection screen structure

Details Dual projection screen structure Dual projection screen structure

2011-08-09

2011-08-09

Mahoney, Christopher (Department: 2862)

Optical: systems and elements

Projection screen

With reflector or additional screen

C359S450000, C359S461000

Reexamination Certificate

active

07995273

ABSTRACT:
An integral, dual projection screen structure for displaying an image from a projection source. The projection screen structure comprises a frame; a fixed projection screen disposed within and mounted to the frame; a first masking panel disposed within the frame over the fixed projection screen; a movable projection screen disposed within the frame adjacent the first masking panel, the movable screen having an operable roller for rolling and unrolling the screen and being mounted at the top portion of the frame; and a second masking panel disposed within the frame over the movable projection screen.

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