Apparatus for generating a screened reproduction of an image

Details Apparatus for generating a screened reproduction of an image Apparatus for generating a screened reproduction of an image

1990-05-18

1992-01-07

Evans, Arthur G.

G06K 1500

Patent

active

050797212

ABSTRACT:
A technique for generating a screened reproduction of an image comprising the steps of providing a representation of an original having input density values representing the grey levels of various locations of the original for a given color separation, defining a desired screen dot arrangement for the image, writing screen dots in a line by line fashion, wherein each screen dot is made up of a plurality of lines whose length and location determines the dot configuration and whose length and location is determined by an analog operation employing the input density values of the original and the desired screen dot arrangement. Apparatus employing the method is also provided.

REFERENCES:
patent: 3916096 (1975-10-01), Everett et al.
patent: 4040094 (1977-08-01), Everett et al.
patent: 4149183 (1979-04-01), Pellar et al.
patent: 4456924 (1984-06-01), Rosenfeld
patent: 4825298 (1989-04-01), Ikuta et al.

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