Trimming device for use with photographic paper printer

Details Trimming device for use with photographic paper printer Trimming device for use with photographic paper printer

1989-04-26

1990-06-05

Hix, L. T.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355 74, G03B 2753

Patent

active

049318292

ABSTRACT:
Disclosed is a trimming device for use with a photographic printer having a fixed window mask unchangeable in size and a variable window mask having a movable window frame for changing a window size. Each window of the fixed window mask and the variable window mask is shaped symmetrically in the optical axis of exposure light so that exposure light is projected through smaller window among the fixed window mask and the variable window mask. There is provided a film guide plate for guiding a film frame to be printed into exposure light. The film guide plate is adapted to allow a film frame to move in X and Y directions, and the movable window frame is also adapted to change a window size in the both X and Y direction, Symmetrically in the optical axis of exposure light.

REFERENCES:
patent: 4417810 (1983-11-01), Ueda et al.
patent: 4727399 (1988-02-01), Matsumoto

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