Line printer for the digital output and colorimetric measurement

Details Line printer for the digital output and colorimetric measurement Line printer for the digital output and colorimetric measurement

1998-01-07

2000-07-11

Bennett, Christopher A.

Typewriting machines

Means auxiliary to typewriting function

Indicator means

400711, 347 19, B41J 2918

Patent

active

060862742

ABSTRACT:
The present invention is concerned with a line printer for the digital output and calorimetric measuring of colored images, comprising a housing, a paper feeder, a paper discharge means, a printer carriage movable in a direction transverse to the paper feed plus printing head and flexible printer cable, a transporting roller for the paper feed and a printer controller for the control of the printing functions. To enable a line printer of the afore-described type to be used not only for its inherent printing function but also for colorimetric measurements and for computing and using the color profile, to thereby automate the color characterizing process and to free the user from using manual and error-susceptible designs containing a color measuring instrument of the conventional type, in the practice of the invention, a color measuring head for reflection measurements is arranged to be fixed to the printer carriage in lieu of or in addition to the printing head, with the said color measuring head with the measuring aperture thereof being oriented toward the paper passage plane and being in communication with its amplifying, control and evaluating electronic units arranged internally or externally of the printer.

REFERENCES:
patent: 5748221 (1998-05-01), Castelli et al.
patent: 5781206 (1998-07-01), Edge
patent: 5841955 (1998-11-01), Wang
patent: 5877787 (1999-03-01), Edge

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