Film projection system

Details Film projection system Film projection system

1978-09-01

1980-10-07

Hayes, Monroe H.

Optics: motion pictures

Optical rectifier type

Refractor

352129, G03B 2100, G03B 4104

Patent

active

042265126

ABSTRACT:
A film projection system comprising a film guiding path, a light source, a projection screen and a rotatable optical system. The optical system comprises a support carrying equidistant identical object lenses whose nodal points traverse a path spaced from the film guiding path a distance substantially equal to the focal distance of the object lenses. The beam or beams emanating from the object lenses are projected and brought into register, respectively, on the projection screen by means of a projection lens. Each object lens may have a given distortion for substantially eliminating any residual unintended motion of the projection of each individual point of the film on the screen.

REFERENCES:
patent: 1957457 (1934-05-01), Holman
patent: 2410069 (1946-10-01), Holman
patent: 3138057 (1964-06-01), Castedello et al.

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