Overhead projection system

Details Overhead projection system Overhead projection system

G - Physics

03

B

G03B 21/10 (2006.01) G02B 27/18 (2006.01) G03B 21/132 (2006.01)

Patent

CA 2341918

An overhead projection system includes an overhead projector support assembly extending outwardly from a generally vertical support surface in a generally horizontal disposition. A display screen having a display surface is mounted on the support surface beneath the projector support assembly. A projector is mounted on the projector support assembly and is aimed to project images onto the display surface of the display screen. Preferably, the projector support assembly includes a governor in the form of a damper and spring arrangement to control downward pivotal movement of the projector support assembly when a load is placed on the projector support assembly and to return the projector support assembly to its generally horizontal disposition when the load is removed.

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