Device for projecting a film picture

Optics: motion pictures – Panoramic picture type

Patent

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Details

353122, 354 94, G03B 3700

Patent

active

041858980

ABSTRACT:
A projector for projecting images of an image bearing film which has marginal edges and a central image bearing portion, comprises a film guide which includes vertically spaced, substantially cylindrical guide members. The image bearing film is guided radially to the periphery of said guide and is passed around the peripheries of the guides with the marginal edges engaged thereon and the image bearing portion disposed between the guides. A light source is arranged centrally of the guides and its rays pass through the image bearing film to a cylindrical interceptor surface which is arranged radially outwardly of the guide. The light source is advantageously arranged in connection with a rotary slotted housing in which the slots are spaced circumferentially around its periphery and project the light rays periodically to the image to give moving image effect. In another arrangement, the light source is disposed to project first to a mirror arranged radially outwardly of the guides and then back through the image and through a lens system disposed centrally of the guides and arranged to project to an interceptor surface arranged exteriorly of the guides and to one side thereof.

REFERENCES:
patent: 2438137 (1948-03-01), Waller et al.
patent: 3051041 (1962-08-01), Lehmann et al.
patent: 3166973 (1965-01-01), Healey
patent: 3441347 (1969-04-01), Lassig et al.
patent: 3850516 (1974-11-01), Mallinson et al.
patent: 4078860 (1978-03-01), Globus et al.

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