Integrated photoscreen for making a halftone reproduction printi

Details Integrated photoscreen for making a halftone reproduction printi Integrated photoscreen for making a halftone reproduction printi

1984-01-05

1986-07-15

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Screen other than for cathode-ray tube

430396, 350322, 355125, G03F 900, G03F 500

Patent

active

046006664

ABSTRACT:
The photoscreen for making a halftone reproduction from a photograph is used in a process where the photograph is placed in a reproducing position relative to a reproducing apparatus and the screen is interposed between the photograph and the reproducing means of the reproducing apparatus so that upon operation of the reproducing apparatus, a halftone reproduction is created. The photoscreen comprises a sheet of transparent material having on the bottom surface thereof an array of light modulating, varying density, light gray, vignetting dots mixed with an array of light modulating white dots preferably printed on the top surface thereof.

REFERENCES:
patent: 3912510 (1975-10-01), Marks
Southworth, "How to Make a Halftone Negative", Reproductions Review, vol. 16, No. 5, May 1966, p. 28.

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