Method of monitoring and/or controlling dampening-medium feed in

Details Method of monitoring and/or controlling dampening-medium feed in Method of monitoring and/or controlling dampening-medium feed in

1989-09-11

1991-09-24

McGraw, Vincent P.

Optics: measuring and testing

Of light reflection

101147, 356446, G01N 2155, G01N 2147

Patent

active

050509942

ABSTRACT:
A method of monitoring dampening-medium feed in an offset printing machine includes scanning non-printed areas in a region of given inked areas by a device of an opto-electric transducer, and evaluating signals generated by the scanning; and a device for performing the foregoing method.

REFERENCES:
patent: 3053181 (1962-09-01), Jorgensen
patent: 3234871 (1966-02-01), Ostwald
patent: 4737035 (1988-04-01), Aoki et al.
patent: 4876457 (1989-10-01), Bose
Publication Fogra-Instituts Bulletin, Special Edition, Wirz et al: "Cooperation of Printing Ink and Water in Offset Printing"; 1979, pp. 45-60.
"Advances in Printing Science and Technology"; 17th International Conference of Printing Research Institutes, Saltsjobadan, Sweden, Jun. 1983, W. H. Banks, pp. 206-227.

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