Negative film masking apparatus

Details Negative film masking apparatus Negative film masking apparatus

1995-04-19

1997-01-14

Grimley, Arthur T.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355 40, 355 41, G03B 2762, G03B 2752

Patent

active

055945279

ABSTRACT:
A negative film masking apparatus for use in printing of a negative film has patterns of latent image data recorded thereon outside of frames and is held between a negative holder and a mask cover for an exposure operation. A view window is provided in one of either of the negative holder and the mask cover to allow each desired one of the latent image patterns of the negative film to be viewed. A light emitter is mounted on the other of the negative holder and the mask cover opposite to the view window.

REFERENCES:
patent: 4189228 (1980-02-01), Farrell
patent: 4455082 (1984-06-01), Lepist
patent: 4933716 (1990-07-01), Imamura et al.
patent: 4994850 (1991-02-01), Imamura et al.
patent: 5285237 (1994-02-01), Parulski et al.
patent: 5453817 (1995-09-01), Oka et al.

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