Rear projection screen

Details Rear projection screen Rear projection screen

1983-06-09

1984-12-25

Wintercorn, Richard A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 60, G03B 2160

Patent

active

044900104

ABSTRACT:
A rear projection screen has a rear side consisting of an array of convex lenses and a front side consisting of also convex lenses whose optic axes are substantially in line with those of the convex lenses at the rear side. Projections or raised portions are provided which surround the front convex lenses and are extended forwardly thereof and light masking strips or layers are formed over the projections or raised portions.

REFERENCES:
patent: 3830556 (1974-08-01), Bratkowski
patent: 4172219 (1979-10-01), Deml et al.
patent: 4298246 (1981-11-01), Iwamura
patent: 4431266 (1984-02-01), Mori et al.
patent: 4432608 (1984-02-01), Grup
patent: 4443814 (1984-04-01), Mori et al.

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