Photographic image precision reproportioning system

Details Photographic image precision reproportioning system Photographic image precision reproportioning system

1986-08-14

1987-12-29

Hix, L. T.

Photocopying

Contact printing

With scanning

355 52, G03B 2710, G03B 2768

Patent

active

047164433

ABSTRACT:
A photographic reproportioning apparatus for changing one dimension or edge configuration of a two dimension image contact print exposed on a photosensitive film moved by a support platen in a predetermined linear direction with respect to the image being reproduced by a reversible synchronous motor. A stationary overlying film carriage supports the original film image in contact with the photosensitive film. An opaque mask overlies the film support members and includes a motor moving an aperture bar assembly in a selected direction relative to the sensitive film. A light passing slit, in the aperture bar assembly, transversely of the direction of its movement, exposes the film from an overhead light source during movement of the mask.

REFERENCES:
patent: 3126809 (1964-03-01), Adams et al.
patent: 3445165 (1969-05-01), Dubbs
patent: 3767301 (1973-10-01), Solo
patent: 3992094 (1976-11-01), Adcock
patent: 4268166 (1981-05-01), Byers
patent: 4350437 (1982-09-01), Fishburn
patent: 4390272 (1983-06-01), Anderson
patent: 4396280 (1983-08-01), Parsons
patent: 4475809 (1984-10-01), Byers
patent: 4545673 (1985-10-01), Bergsma

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