Photography – With data recording – Data for control of subsequent processing of film
Reexamination Certificate
2007-08-07
2007-08-07
Perkey, W. B. (Department: 2851)
Photography
With data recording
Data for control of subsequent processing of film
Reexamination Certificate
active
11017515
ABSTRACT:
A photographic film with a row of sprocket holes formed along each edge thereof includes one or more sensitometric step wedges of different light intensity values exposed adjacent one of the rows of sprocket holes on the photosensitive emulsion surface of the film. The light intensity values from one or more of the weges are sensed, and a film process may be adjusted in accordance with the sensed values.
REFERENCES:
patent: 4335956 (1982-06-01), Findeis et al.
patent: 5617213 (1997-04-01), Shih
patent: 5667944 (1997-09-01), Reem et al.
patent: 6683981 (2004-01-01), Matama
patent: 2003/0170017 (2003-09-01), Prigent et al.
Nirgudkar Ujwal Narayan
Popa Robert
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