Scanner approximation of an in-line spectrophotometer (ILS) in duplex systems

Scanner approximation of an in-line spectrophotometer (ILS) in duplex systems

A color management system acquires first color data for a color patch of a test pattern printed by a first image forming device on a recto side of a sheet, acquires second color data for the color patch in the test pattern printed by the first image forming device; and acquires third color data for...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Schweid, Stuart A, Monahan, Michael B
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COLORIMETRY
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PRESENTATION OF DATA
RADIATION PYROMETRY
RECOGNITION OF DATA
RECORD CARRIERS
TESTING
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Beschreibung
Zusammenfassung:A color management system acquires first color data for a color patch of a test pattern printed by a first image forming device on a recto side of a sheet, acquires second color data for the color patch in the test pattern printed by the first image forming device; and acquires third color data for a corresponding color patch in the test pattern printed by a second image forming device on a recto side of a sheet which has passed through the first image forming device. The system applies a correction to the third color data, which is a function of a difference between the first color data and the second color data and which may also be a function of a difference between the second color data and the third color data.