Rear projection facetted dome

Details Rear projection facetted dome Rear projection facetted dome

1991-05-13

1993-01-12

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358231, H04N 574

Patent

active

051794403

ABSTRACT:
A multi-facetted dome imaging system (10) utilizes rear projection imaging techniques to present a moving or still image to each screen facet (12). The trapezoidal facets (12) are arranged with a series of lower facets (16), upper facets (18), and a top facet (20) generally forming a dome (11). Each facet (12) has a projector (30) disposed at its rear to project the image. Visibility of facet joints is minimized by joining the facets (12) by a pair of transparent stiffeners (42, 44) which hold the mating portions of the screen facets (12). The stiffeners (42, 44) are suspended by springs (48), which are held by a support structure (50).

REFERENCES:
patent: 3370505 (1968-02-01), Bryan
patent: 3514871 (1970-06-01), Tucker
patent: 4646506 (1987-04-01), Ritchey
patent: 4962420 (1990-10-01), Judenich
patent: 4974073 (1990-11-01), Inova
patent: 4991955 (1991-02-01), Vetter
patent: 5023725 (1991-06-01), McCutchen

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