Collection method of data on feed amount of printing ink and sys

Details Collection method of data on feed amount of printing ink and sys Collection method of data on feed amount of printing ink and sys

1985-07-24

1987-03-10

Perkey, W. B.

Boots, shoes, and leggings

358 75, 358101, 358107, 358298, 101170, G06F 1570, H04N 122, H04N 146, B41M 114

Patent

active

046495002

ABSTRACT:
Disclosed herein is a method for collecting data on the amounts of inks to be fed, said data being useful in adjusting the feed amounts of the inks in a printing machine. Desired regions of reproduced pictures, which regions are effective for reproduction, are identified by two-dimensionally arranged addresses of plural picture elements for respective color-separated printing plates, which are adapted to produce printed matter, upon preparation of the reproduced pictures for the color-separated printing plates, thereby to divide the regions into sections adapted to sample the amounts of inks required therefor; the average values of percent halftone dot areas or picture densities in the respective sections are determined; and the average values are then filed in combination with the addresses of the corresponding sections. Printed pictures of best quality can be economically obtained by either on-line or off-line adjusting the ink fountains of the printing machine in accordance with the ink amount data.

REFERENCES:
patent: 3958509 (1976-05-01), Murray et al.
patent: 4233663 (1980-11-01), Sugawara et al.
patent: 4319268 (1982-03-01), Yamada
patent: 4384337 (1983-05-01), Mamberger et al.
patent: 4446470 (1984-05-01), Sugiyama et al.
patent: 4470074 (1984-09-01), Yamada
patent: 4573190 (1986-02-01), Tsunoda et al.

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