Methods and apparatuses for printer recalibration

Details Methods and apparatuses for printer recalibration Methods and apparatuses for printer recalibration

2004-09-29

2008-10-28

Zimmerman, Mark (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003010, C358S406000, C358S504000, C358S521000, C358S003230

Reexamination Certificate

active

07443537

ABSTRACT:
A test pattern printed by a printer is assessed—without colorimetric equipment—to provide data used in recalibrating the printer. The assessment may be made by an unskilled operator, and can include discerning whether a particular pattern is visible in the printed test pattern, or whether a feature in the test pattern is relatively wider or narrower. From such assessment, needed changes to the printer's calibration data are inferred and implemented. A variety of other printer calibration techniques are disclosed. The technology is illustrated in the context of dye sublimation printers, and is particularly useful in optimizing printing of digitally-watermarked graphics.

REFERENCES:
patent: 5293539 (1994-03-01), Spence
patent: 5838465 (1998-11-01), Satou et al.
patent: 7130076 (2006-10-01), Shibuya et al.
patent: 7224820 (2007-05-01), Inomata et al.
patent: 2003/0112455 (2003-06-01), Ueda et al.
patent: 2004/0135878 (2004-07-01), Mizes et al.

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