Systems and methods for obtaining a spatial color profile, and calibrating a marking system

LK Mestha, S Bolte, E Saber, S Updegraff - US Patent 7,295,340, 2007 - Google Patents
US7295340B2 - Systems and methods for obtaining a spatial color profile, and calibrating a
marking system - Google Patents US7295340B2 - Systems and methods for obtaining a spatial …

methods for producing device and illumination independent color reproduction

LK Mestha, SA Dianat - US Patent 6,934,053, 2005 - Google Patents
Spectrally matched color outputs are obtained using data from a real-time Sensor, Such as,
for example, a spectropho tometer on the output trays of a marking devices to deter mine the …

System architecture and method for verifying process correctness in a document processing system

DM Murray - US Patent 7,061,630, 2006 - Google Patents
A document processing system is provided that renders digital image data in individual
pages, where each individual page is rendered to a bitmap page and a corresponding …

Toner age calculation in print engine diagnostic

PJ Donaldson - US Patent 6,047,142, 2000 - Google Patents
According to one embodiment of the present invention, measuring and controlling toner age
in a developer housing includes the Steps of providing a maximum toner age in a memory; …

Spot color printing with non-standard gamuts achieved with process set point adjustment

LK Mestha, TL Love, TC Hsu - US Patent 8,599,432, 2013 - Google Patents
BACKGROUND To meet customer demand, the commercial printing indus try requires the
capability of producing spot colors accurately and consistently. Spot colors can be defined …

Methods to control appearance of gloss levels for printed text and images

LK Mestha, PA Crean - US Patent 8,417,135, 2013 - Google Patents
BACKGROUND Digital production color printers, such as the Xerox Corp. DocuColorTM
5000 and 8000 Digital Presses, may show excessive gloss levels in color prints particularly …

Systems and methods for device independent color control to achieve accurate color proofing and reproduction

LK Mestha, FF Hubble III, MR Furst - US Patent 6,757,076, 2004 - Google Patents
This invention relates to color reproduction. 2. Description of Related Art Generally,
documents, including color documents, can be transmitted and received over a network …

Single pass printing of text among interleaved printing of non-text material

SJ Bloomberg - US Patent 6,425,653, 2002 - Google Patents
A method of printing a subject on a medium by use of a printing device including a printhead
assembly, wherein the printhead assembly has at least one printhead having an array of …

Method, apparatus and system for matching color gamuts of multiple image transfer devices

LK Mestha, PK Gurram, AE Gil, P Ramesh - US Patent 8,054,505, 2011 - Google Patents
BACKGROUND The exemplary embodiments are directed to a method and system for
employing a control algorithm to converge desired colorimetric color space targets by …

Image-based color printer fractal gamut extensions achieved with process set point adjustment

LK Mestha, P Ramesh - US Patent 8,294,948, 2012 - Google Patents
BACKGROUND To meet customer demand, the commercial printing indus try requires the
capability of producing spot colors accurately and consistently. Spot colors can be defined …