Control computer for a printing machine

US6522422B1 · kind B1 · utility

Assignee

• MAN Roland Druckmaschinen AG · DE

Inventors

• Horst Klingler · Mühlheim, DE
• Hans-Martin Reinert · Wächtersbach, DE
• Johannes Tenfelde · Großkrotzenburg, DE
• Karsten Wendt · Obertshausen, DE
• Matthias Zoll · Mainz, DE
• Sven Olaf Cabus · Frankfurt, DE
• Gerold Wende · Frankfurt am Main, DE
• Michael Hess · Mainz, DE
• Heiner Sirowitzki · Wiesbaden, DE
• Heiner Schilling · Darmstadt, DE

Key dates

• Filing date: Apr 1, 1999
• Grant date: Feb 18, 2003
• Expiry date: Apr 1, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41F33/0009
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A computer controlled sheet-fed offset printing machine is described which includes an Interpreter-program for obtaining an image of the signal-state of specified interfaces of the many interfaces that are needed for the operation of the computerized printing press. The Interpreter-program has access to a reserved region of memory for storing and manipulating, if desired, the image of the signal-state. Furthermore, the Interpreter-program has very limited and defined access to the inputs and resources used by the control programs used to operate the computerized printing press. This ensures that the control programs can execute in real-time unaffected by the execution of the Interpreter-program while data is acquired by the Interpreter-program while the computerized printing press is in operation. The Interpreter-program can execute diagnostic routines and provide data for detecting and correcting errors that are otherwise hard to localize in a complex system with complex software.