Reproducing machine and a method of determining reproducing cond

Details Reproducing machine and a method of determining reproducing cond Reproducing machine and a method of determining reproducing cond

1997-12-24

1999-11-30

Metjahic, Safet

Photocopying

Projection printing and copying cameras

Multicolor picture

355 40, G03B 2772, G03B 2752

Patent

active

059951940

ABSTRACT:
By the present invention, on the basis of information read from a magnetic recording section of a negative film (Step 200), when it is judged that there are a plurality of negative images to be exposed by the same exposure amount (the judgment in Step 212 is affirmative), a film type is identified to determine the film base density thereof, and a predetermined reference density value is added to the film base density so as to obtain a density control amount which controls the density of a print image (Steps 216 through 220). Thereafter, a color balance mean value of a large number of negative images of the same type is detected and a weighted mean value of a color balance mean value among a plurality of negative images to be exposed and the detected color balance value to obtain a color control amount (Step 222). Then, a common exposure amount is computed from the thus obtained density control amount and the color control amount (Step 224) for exposing the negative images to be exposed by the same exposure amount onto a printing paper by the common exposure amount (Step 278).

REFERENCES:
patent: 5223892 (1993-06-01), Ikenoue et al.
patent: 5337130 (1994-08-01), Satoh
patent: 5353095 (1994-10-01), Terashita
patent: 5729284 (1998-03-01), Ishii et al.
patent: 5729327 (1998-03-01), Narita
patent: 5729329 (1998-03-01), Ajimu et al.

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