Color calibration method and system having independent color sca

Details Color calibration method and system having independent color sca Color calibration method and system having independent color sca

1996-02-12

1998-06-02

Frahm, Eric

Facsimile and static presentation processing

Facsimile

Recording apparatus

358504, 358518, 358523, H04N 140, H04N 146, G03F 308

Patent

active

057609136

ABSTRACT:
A printer calibration method and system uses a personal computer equipped with a color laser server circuit card and a scanner to measure the color effects specific to a printer and to then calibrate print data to adjust for the measured printer effects. Each printer colorant is calibrated by printing a data file using the printer to be calibrated thereby generating a calibration image. The calibration image is next scanned using a scanner coupled to the printing system. The scanned data is compared to the data file which was sent to the printer to determine the relationship (an association) between the data file printed and the resulting calibration image. Color comparisons are made using an absolute density scale and thus the scanned data, being in RGB (Red, Blue, Green) format is converted to absolute density values. To determine the conversion from scanned RGB values to absolute density, a standard gray scale test strip is scanned and compared to a data file containing the known absolute density values which correspond to the test strip.

REFERENCES:
patent: 4636845 (1987-01-01), Alkofer
patent: 4941038 (1990-07-01), Walowit
patent: 5271096 (1993-12-01), Cook
patent: 5333069 (1994-07-01), Spence
patent: 5339176 (1994-08-01), Smilansky et al.
patent: 5416613 (1995-05-01), Rolleston et al.
patent: 5452112 (1995-09-01), Wan et al.
patent: 5481380 (1996-01-01), Bestmann
patent: 5508826 (1996-04-01), Lloyd et al.
patent: 5612902 (1997-03-01), Stokes

Affiliated with

Also associated with

Rating

Color calibration method and system having independent color sca does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Color calibration method and system having independent color sca, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Color calibration method and system having independent color sca will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1466930