Portable card motion picture viewer

Details Portable card motion picture viewer Portable card motion picture viewer

1979-06-11

1980-05-27

Hayes, Monore H.

Optics: motion pictures

With pictures in transverse rows

G03B 4100

Patent

active

042047528

ABSTRACT:
A photographic viewing system for use with a film unit having images formed in arcuate, or crescent-shaped, rows thereon. The system utilizes a fixed light source for directing light to a selected arcuate row of images which are to be sequentially viewed and an optics system moves along an arcuate path which corresponds to such selected arcuate row of images so as to produce sequential optical images representing the image on the film unit. A viewing means, such as a monocular eyepiece member or a projection system, provides for the viewing of the optical images that are so produced. The rate of image production is controlled by control of a variable speed motor by the operator. The overall system can be fabricated as a compact, lightweight hand-held unit.

REFERENCES:
patent: 1210887 (1917-01-01), Bettini
patent: 1231961 (1917-07-01), Stoffels
patent: 1933057 (1933-10-01), Harkin
patent: 2950644 (1960-08-01), Land et al.
patent: 3438698 (1969-04-01), Triggs
patent: 3450468 (1969-06-01), Davidson et al.
patent: 3721491 (1973-03-01), Downey
patent: 4104659 (1978-08-01), Douglas

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