Control negative for use in setting up exposure condition of pho

Details Control negative for use in setting up exposure condition of pho Control negative for use in setting up exposure condition of pho

1996-07-02

1999-03-02

Codd, Bernard

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

430 15, 430 30, 430396, 428192, 428195, 428199, 428212, 428220, G03F 900, G03C 502

Patent

active

058768769

ABSTRACT:
A control negative for use in setting up exposure conditions for three colors in a photo-printer contains a mosaic pattern in a frame. The mosaic pattern is constituted of a plurality of segments of different densities and sizes. The segments are arranged such that the same area transmittance density can be obtained when density values are measured from different areas of the frame. The control negative is useful for different type photo-printers having different photometric areas for measuring the area transmittance density of the control negative.

REFERENCES:
patent: 2286779 (1942-06-01), Yule
patent: 3552288 (1971-01-01), Corley
patent: 5001512 (1991-03-01), Kubota
patent: 5426010 (1995-06-01), Morton

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