Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2007-10-02
2007-10-02
Lamb, Twyler (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S504000, C358S534000, C358S518000
Reexamination Certificate
active
10342873
ABSTRACT:
A system and method for printer control and color balance calibration. The system and method address the image quality problems of print engine instability, low quality of color balance and contouring from the calibration. The method includes defining combinations of colorants, such as inks or toners that will be used to print images, defining a desired response for the combinations that are to be used and, in real time, iteratively printing CMY halftone color patches, measuring the printed patches via an in situ sensor and iteratively performing color-balance calibration based on the measurements, accumulating corrections until the measurements are within a predetermined proximity of the desired response. The calibration is performed on the halftones while they are in a high quantization resolution form.
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Bala Raja
Crean Peter A.
Loce Robert P.
Maltz Martin S.
Mestha Lalit K.
Fay Sharpe LLP
Lamb Twyler
Xerox Corporation
Zheng Jacky X.
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