Method of and apparatus for printing a photograph

Details Method of and apparatus for printing a photograph Method of and apparatus for printing a photograph

1990-10-01

1992-03-31

Hix, L. T.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355 77, G03B 2752

Patent

active

051012278

ABSTRACT:
Determined is a degree of correction in accordance with a length of at least one of two periods from film manufacturing to photographing or from photographing to film developing. A printing light quantity is corrected in accordance with this degree, and a film image is printed on photographic paper, thereby optimizing the printing light quantity to all films by correcting time-elapsed variations in film characteristics.

REFERENCES:
patent: 3790275 (1974-02-01), Huboi et al.
patent: 4173401 (1979-11-01), Harvey
patent: 4420236 (1983-12-01), Taniguchi et al.
patent: 4641959 (1987-02-01), Terashita
patent: 4855769 (1989-08-01), Slavitter et al.
patent: 4965627 (1990-10-01), Robison

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