Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 1, 2012
Patent Application Number
13205168
Date Filed
August 8, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
An integral, dual projection screen structure for displaying an image from a projection source. The projection screen structure comprises a frame; first and second movable projection screens disposed within the frame, each movable screen having an operable roller for rolling and unrolling the screen and being mounted at the top portion of the frame; and a masking system having at least two movable masking panels disposed within the frame over at least two of the top portion, bottom portion and first and second side portions of the front side of the sheet in the second screen.
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