Methods for providing transparent originals for printing plate p

Details Methods for providing transparent originals for printing plate p Methods for providing transparent originals for printing plate p

1976-01-26

1979-04-24

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 27R, 96 27E, 96 44, 355 40, 355 46, 355 56, 355 77, G03C 504, G03C 506

Patent

active

041509919

ABSTRACT:
Methods are described for the preparation of a light sensitive collection surface for use in directly or indirectly printing copies on which text and images are arranged according to a predetermined layout. The methods include the steps of preparing first and second surfaces on which reproducible text and images, respectively, are arranged; defining the respective locations and sizes of the image areas provided in the layout with at least two pairs of first position coordinates and defining the respective locations of the reproducible images with at least one pair of second position coordinates; positioningthe image bearing surface with respect to the collection surface by calculating the coordinate relationship between the corresponding ones of the first and second position coordinates so as to align at least one of the reproducible images with the unexposed area provided therefor on the collection surface; and exposing the aligned reproducible image(s) onto the collection surface with a sharply defined light beam which is automatically sized in dependence on the corresponding pairs of the first position coordinates so as to fall within the area(s) of the collection surface intended for the aligned reproducible image(s).

REFERENCES:
patent: 2153212 (1939-04-01), Spray
patent: 3639059 (1972-02-01), Staumor et al.
patent: 3667364 (1972-06-01), Mann
patent: 3682540 (1972-08-01), Oxberry et al.
J. W. Burden, "Graphic Reproduction Photography", 4-74, pp. 399-402.

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