Projector

Details Projector Projector

1977-08-18

1978-12-26

Stephan, Steven L.

Optics: image projectors

With sound accompaniment

353 61, 353 70, 353 77, G03B 3100, G03B 2116, G03B 2128

Patent

active

041313461

ABSTRACT:
A projector for projecting a successive series of pictures and, in particular, an audiovisual information device, includes a housing, a projector disposed within the housing and a projection face which is provided in close proximity to the rear side of the housing for azimuthal projection. The projector face can be viewed by at least one window opening provided on the front side of the housing and the projector is arranged outside of the viewing range between the window opening and the projection face. The projector has a projection axis which is disposed at an angle with respect to the optic axis of its lens. The projector is especially suitable for both indoor and outdoor use.

REFERENCES:
patent: 1199460 (1916-09-01), Featherstone
patent: 3507571 (1970-04-01), White
patent: 3985430 (1976-10-01), Steiner
patent: 3997258 (1976-12-01), Omi
patent: 4002408 (1977-01-01), Amma

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