Spectrally broadband instruments like densitometers and most colorimeters serve a variety
of useful applications, though their usefulness is limited to a dedicated output or small sets of …

US PATENT DOCUMENTS 5,717,978 A 2f1998 Mestha 6,351,308 B1 2/2002 Mestha
6,366,358 B1* 4/2002 Satou et al................... 358,114 6,384,918 B1 5/2002 Hubble, III et al …

A spectral characteristic obtaining apparatus including a light irradiation unit configured to
emit light onto a reading object; a spectroscopic unit configured to separate at least a part of …

The present disclosure relates to a system and a method for automated image quality based
diagnosis of a document printing system. In particular, the present disclosure provides a …

The present disclosure is directed to a system and method to render spatially uniform
memory colors when images printed with CMYK primaries are not rendered uniformly due to …

Spectral, densitometric, or color measured values are detected on sheet printing materials
during the printing process in a sheet-fed printing press. The measured values are …

US8797589B2 - Color management and calibration using a scanner or camera - Google
Patents US8797589B2 - Color management and calibration using a scanner or camera …

Disclosed are a system and method are directed to efficient image based color calibration
and improving color consistency performance, and more particularly to the use of continuous …

A system for providing color analysis of a toner image on an image bearing surface with a
spectrophotometer is provided. The system includes an illuminator positioned adjacent to …

Perot array may be used as a spectral filter to light sensing array, such as a CCD or CMOS
photodetector. Applying different voltages to the electrodes of individual Fabry-Perot cells …