Printing screen and method of making same

Details Printing screen and method of making same Printing screen and method of making same

1981-08-03

1985-01-22

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

350316, 350322, 353 84, H04N 146

Patent

active

044955170

ABSTRACT:
A printing plate is made in accordance with a particular method and is used in a printing process wherein it is effective to produce a substantially continuous tone printing effect. A negative screen having an overall pattern defined by rows of closely spaced substantially square-shaped areas is exposed a plurality of times on an image carrier. An image screen pattern is developed on the image carrier wherein each of the plurality of exposures of the overall pattern on the negative screen is effected at a different angle with respect to each other. A unique printing screen pattern is obtained which is then used for printing a reproduced image.

REFERENCES:
patent: 4084183 (1978-04-01), Keller et al.
patent: 4342046 (1982-07-01), Kamata

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