Compact densitometer device

Details Compact densitometer device Compact densitometer device

1996-02-26

1997-11-25

Hantis, K.

Optics: measuring and testing

By shade or color

G01J 346

Patent

active

056918160

ABSTRACT:
The invention relates to a device for universal quality inspection of material to be exposed, especially of technical films and x-ray films, using an exposure means designed as a sensitometer, and a densitometer, which are combined into a single device. A densitometer is combined with a light source for individual measurements for determining the behavior of the density curve of a film with a densitometer designed as a measurement arm. A luminescent film which can be excited in two colors and which lies in one plane is used as a light source for the sensitometer.

REFERENCES:
patent: 4518234 (1985-05-01), Lamere
patent: 4907036 (1990-03-01), Morita
patent: 5051654 (1991-09-01), Nativi et al.
patent: 5063583 (1991-11-01), Galkin
patent: 5141323 (1992-08-01), Kipphan et al.

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