Apparatus for estimating a necessary amount of ink

Details Apparatus for estimating a necessary amount of ink Apparatus for estimating a necessary amount of ink

1978-12-12

1980-11-11

Ruggiero, Joseph F.

Boots, shoes, and leggings

101170, 358196, H04N 122, B41M 110

Patent

active

042336635

ABSTRACT:
There is provided an apparatus for estimating a necessary amount of ink for printing which comprises a reading head for scanning an original print to produce analog signals representing the optical densities of the picture dots of the original print, an A-D converter for converting the analog signal from the reading head into digital signal representing one of 256 optical density levels of the picture dot on the original print, a plurality of level counters for classifying the digital signals from the A-D converter into 256 groups each including the digital signals representing the same optical density level and counting the digital signals for each group, and a system controller for multiplying the number of digital signals in each group and the amount of ink required to print the picture dot at a corresponding optical density level to produce the total amount of ink required to print all the picture dots on the original print.

REFERENCES:
patent: 3751159 (1973-08-01), Fisher
patent: 3944726 (1976-03-01), Ito
patent: 4112469 (1978-09-01), Paranjpe et al.
patent: 4135212 (1979-01-01), Pugsley et al.

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