Back to results
US 6,604,829 B2Granted
Compact integrated front projection system
Assignee3M Innovative Properties Company
InventorErnesto M. Rodriguez, Jr.
Life of this patent
Estimating the term…
Abstract
The present invention provides for a compact integrated front projection display system. The system comprises a frame having first and second portions and a foldable arm having first and second ends. The second end of the arm is connected to the first portion of the frame. The arm is moveable between a storage position and a projection position. The system also includes a retractable projection screen disposed on the second portion of the frame and a projection head mounted on the first end of the moveable arm.
Claims8
An integrated front projection display system comprising:
- (a) a frame comprising a first portion and a second portion;
- (b) a foldable arm comprising a first end and a second end, said second end of said arm connected to said first portion of said frame, wherein said arm is moveable between a storage position and a projection position;
- (c) a retractable projection screen disposed on said second portion of said frame;
- (d) a projection head mounted on said first end of said moveable arm such that said projection head does not substantially obstruct the view of said projection screen when said moveable arm is in the projection position;
- and
- (e) a keystone correction mechanism for projecting a rectilinear image onto said projection screen.
3 more elements
Dependencies are inferred from the claim text.