Film projection system

Details Film projection system Film projection system

1974-10-25

1976-04-20

Aegerter, Richard E.

Optics: image projectors

Cabinet encloses projector and one side of screen

Focus or variable magnification

353 26R, 353101, 352 78R, G03B 300, G03B 2110, G03B 2111

Patent

active

039515362

ABSTRACT:
A film projection viewing system employs a projector to receive cartridges loaded into the projector in a manner completing a light path through the projector to a viewing screen. A film projector and cartridge having a substantially self-contained film transport therein cooperates to provide a system having a lens system with a focal length setable to a predetermined position in response to insertion of a cartridge into the projector.

REFERENCES:
patent: 3271096 (1966-09-01), Blackmore
patent: 3715155 (1973-02-01), Grupp

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