Optics: measuring and testing – By shade or color – With sample responsive to plural colors applied simultaneously
Patent
1978-10-13
1981-09-15
Corbin, John K.
Optics: measuring and testing
By shade or color
With sample responsive to plural colors applied simultaneously
250226, G01N 2127
Patent
active
042894050
ABSTRACT:
The present invention provides a means for readily monitoring the optical densities of colors which make up a display or particular arrangement (such as pictures in a magazine which are printed with colored inks), and includes means for automatically detecting which of the basic colors predominant in a color is being monitored. In addition the present invention includes means to indicate to the user that the optical density of a predominant basic color detected is satisfactory with respect to, or different from, a desired reference value and provides information to enable the user to correct the optical densities of the basic colors being used prior to creating future displays, for instance the system provides information to enable the user to readily adjust the ink flow in a printing press during a printing "run."
REFERENCES:
patent: 3210552 (1965-10-01), Young
patent: 4003660 (1977-01-01), Christie, Jr. et al.
patent: 4194839 (1980-03-01), Knop
patent: 4203671 (1980-05-01), Takahashi et al.
Arnold Bruce Y.
Cleaver William E.
Corbin John K.
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