Projector for visual images

Details Projector for visual images Projector for visual images

1976-10-21

1978-06-27

Stephan, Steven L.

Optics: image projectors

Selective projection on distant or cabinet screen

339 21R, 353 79, 355 63, G03B 2122, G03B 2752, H01R 900

Patent

active

040971368

ABSTRACT:
A projector for visual images which may be used for projection upon its own base or a wall. The projector has a base, an upstanding column, an adjustable arm and a projection housing. The projector is battery powered and the batteries are connected to the projection lamp through contacts disposed on the base and in the vertical column. The projector is operable at any column height setting.

REFERENCES:
patent: 2501469 (1950-03-01), Korzminsky
patent: 2977566 (1961-03-01), Neumann et al.
patent: 3227039 (1966-01-01), Simmon
patent: 3880511 (1975-04-01), Astarloa
patent: 3989373 (1976-11-01), Craig

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