Method and apparatus for computing data for producing photo prin

Details Method and apparatus for computing data for producing photo prin Method and apparatus for computing data for producing photo prin

1981-06-03

1984-01-03

Gellner, Michael L.

Photocopying

Projection printing and copying cameras

Multicolor picture

G03B 2780

Patent

active

044239521

ABSTRACT:
A method and apparatus as described for determining the correct exposure time for either black and white or color negatives or positives. The apparatus fully automates the printing process by taking into account all necessary factors thus assuring first print capability. The density of the equipment light, the film and the filters are all measured at the same time and result in a single readout which will be the correct density-exposure time.

REFERENCES:
patent: 4025190 (1977-05-01), Hughes
patent: 4286868 (1981-09-01), Laska
patent: 4299479 (1981-11-01), Harvey et al.

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