Reduction of pitch errors between points of a print image

US8208174B2 · kind B2 · utility

Assignee

• Francotyp-Postalia GmbH · DE

Inventors

• Axel Kieser · Berlin, DE
• Olaf Turner · Berlin, DE

Key dates

• Filing date: Nov 3, 2008
• Grant date: Jun 26, 2012
• Expiry date: Nov 27, 2030

Classification

• Technology area (CPC G): Physics
• CPC primary: G07B2017/00564
• WIPO field: Control
• WIPO sector: Instruments

Abstract

In a method and printing device, a deviation from a predetermined desired pitch that occurs between at least two points of at least one print image in a print direction is reduced. In a printing step, the at least one print image is generated on a substrate with at least one print head of the printing device with a relative movement between the at least print head and the substrate. In a determination step preceding the printing step, an initial deviation from a desired pitch between the two points is determined first and correction information to reduce the deviation is determined from the determined initial deviation. In the printing step, control signals for the at least one print head are generated depending on the correction information to generate the at least one print image. A variable delay of at least one of the control signals is predetermined by the correction information.