Method and apparatus for maintaining processing performance in a

Details Method and apparatus for maintaining processing performance in a Method and apparatus for maintaining processing performance in a

1992-12-24

1994-06-07

Rutledge, D.

354324, 354334, G03D 1300, G03D 302

Patent

active

053194080

ABSTRACT:
A method and apparatus for maintaining the developing performance of an automatic developing and printing system which develops a photographic film exposed, and automatically makes a print from the developed film by using a photographic paper. A photosensitive material is employed on which the pattern having portions different in the quantity of light has been formed by exposure and by development. This photosensitive material functions in the same way the photographic material having the control strips. Hence, the processing performance of the apparatus can be determined without use of the photographic material having the control strips which is expensive and troublesome to handle.

REFERENCES:
patent: 3995959 (1976-12-01), Shaber
patent: 4293211 (1981-10-01), Kaufmann
patent: 4885705 (1989-12-01), Choi

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