Overhead projection system

Details Overhead projection system Overhead projection system

H - Electricity

04

N

H04N 5/74 (2006.01) G03B 21/132 (2006.01) G03B 21/14 (2006.01)

Patent

CA 2501214

An overhead projection system comprises a generally horizontal projector assembly and a display screen having a display surface disposed beneath the projector assembly. The projector assembly includes a projector aimed to project images onto the display surface of the display screen. At least one tether acts between the projector assembly and at least one structural element above the projector assembly.

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