Spectrophotometer for color printer color control with displacement insensitive optics

FF Hubble III, JA Kubby - US Patent 6,384,918, 2002 - Google Patents
3,910,701 A 10/1975 Henderson et al............ 356/39 4,553,033 A 11/1985 Hubble, III et
al......... 250/353 4,568,191 A* 2/1986 Barry......................... 356/446 4989, 985 A 2/1991 …

Method for continuous incremental color calibration for color document output terminals

SJ Harrington - US Patent 6,178,007, 2001 - Google Patents
This invention describes a method for maintaining the color calibration on a printer that has
a color sensor and uses a color look up table for the color correction. The idea is to print …

Full width array scanning spectrophotometer

LK Mestha, JC Tandon, SB Bolte - US Patent 6,975,949, 2005 - Google Patents
A full width array spectrophotometer for full width scanning color analysis of color test
targets, with one or two substantially linear elongated arrays of closely spaced multiple LED …

Color printer color control system with automatic spectrophotometer calibration system

LK Mestha - US Patent 6,351,308, 2002 - Google Patents
(US) A System for automatically re-calibrating a spectrophotom (*) Notice: Subject to any
disclaimer, the term of this eter which is mounted at one side of the printed sheets output …

Color printer color control system using dual mode banner color test sheets

LK Mestha - US Patent 6,538,770, 2003 - Google Patents
A dual mode banner sheet and color test sheet system for a color printer which is
automatically printing and outputting banner sheets ahead of respective print jobs with …

Uniformity compensation in halftoned images

Y Zhang, RP Loce, B Xu - US Patent 8,432,582, 2013 - Google Patents
G06K I5/00(2006.01)(57) ABSTRACT H04N L/40(2006.01) Compensation for rendering
device non-uniformities is pro (52) US Cl. vided for halftoned images. A spatially dependent …

Reference database and method for determining spectra using measurements from an LED color sensor, and method of generating a reference database

LK Mestha, SA Dianat, FG Polo, GW Skinner - US Patent 7,383,261, 2008 - Google Patents
To determine spectra, integrated multiple illuminant measurements from a non-fully
illuminant populated color sensor may be converted into a fully populated spectral curve …

On-line model prediction and calibration system for a dynamically varying color reproduction device

LK Mestha, OY Ramirez - US Patent 6,809,837, 2004 - Google Patents
The Subject invention pertains to the art of color man agement and image/text printing or
display Systems, and is especially applicable to a method and apparatus wherein a Sensor …

Adaptive exposure printing and printing system

CH Kuo, HT Tai, SM Munechika, C Sreekumar… - US Patent …, 2013 - Google Patents
One or more printers or printing systems are connected to a scanning device. Each printer
includes one or more color modules that are used during a printing operation. A printer …

Manual correction of an image color

PV Gruzdev, ME Tatarnikov, KA Zaklika - US Patent 7,009,733, 2006 - Google Patents
US 2003/0002095 A1 Jan. 2, 2003 coordinates for registering points in a first color Space of
at least one Standard point, the first color Space having (51) Int. Cl. axes for Specifying …