EP0763427B2 - Method for controlling the production of images on a printing plate carrier for a printing machine - Google Patents

Method for controlling the production of images on a printing plate carrier for a printing machine Download PDF

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Publication number
EP0763427B2
EP0763427B2 EP96114356A EP96114356A EP0763427B2 EP 0763427 B2 EP0763427 B2 EP 0763427B2 EP 96114356 A EP96114356 A EP 96114356A EP 96114356 A EP96114356 A EP 96114356A EP 0763427 B2 EP0763427 B2 EP 0763427B2
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EP
European Patent Office
Prior art keywords
printing
control elements
image data
print control
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96114356A
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German (de)
French (fr)
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EP0763427B1 (en
EP0763427A3 (en
EP0763427A2 (en
Inventor
Gerhard Dr. Fischer
Roland Pudimat
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Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
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Publication of EP0763427A3 publication Critical patent/EP0763427A3/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices

Definitions

  • the invention relates to a method for control the illustration of a printing form carrier for a Printing press, in which the to produce the printing form serving image signals a memory of a Computer can be removed and to a facility can be fed for imaging.
  • the image data of the subject, which is printed and the image data of the selected one Print control elements are made with the help of the calculator 4 to a uniform image data set for the printed image merged.
  • From the information about the scheduled printing machines 10, 11 is the location of the print control elements in the print image.
  • the location the print control elements must match the scanning locations photoelectric sensors correspond to those based on the pressure control elements actual value signals for the control or regulation of operations of the respective deliver printing machine 10, 11.
  • said Program processes data of the print control elements from the memory 8 and data of the subject the memory 7.
  • the merged data can be stored in the memory 7 as a postscript file.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Steuern der Bebilderung eines Druckformträgers für eine Druckmaschine, bei dem die zur Erzeugung der Druckform dienenden Bildsignale einem Speicher eines Rechners entnommen werden und zu einer Einrichtung für die Bebilderung zugeführt werden.The invention relates to a method for control the illustration of a printing form carrier for a Printing press, in which the to produce the printing form serving image signals a memory of a Computer can be removed and to a facility can be fed for imaging.

Es ist Stand der Technik, Bilder, Schrift und Grafiken in Form digitaler Daten mit Hilfe eines Computers und eines Programms zu einem Ganzseitenlayout zusammenzuführen. Das Ganzseitenlayout liegt danach als sogenanntes Postscript-Data-File in einem Speicher des Computers. Im Postscript-Data-File können ebenso Druckkontrollelemente, wie z. B. Druckkontrollstreifen mit zonal angeordneten Kontrollfeldern, Registermarken und Paßkreuze, enthalten sein. Die Druckkontrollelemente sind standardisiert und können nur bei Druckmaschinen verwendet werden, bei denen die Druckkontrollelemente verwendbar sind. Mit Hilfe eines Raster-Image-Prozessors werden die Daten des Postscript-Files in sogenannte Bitmap-Daten transformiert. Die Bitmap-Daten werden einer Einrichtung für die Bebilderung einer Druckform zugeführt, wofür jede der verwendeten Prozeßfarben eine Druckform erzeugt wird.It is state of the art, pictures, writing and Graphics in the form of digital data using a computer and a program for a full page layout merge. The full page layout is after that as a so-called Postscript data file in one Computer memory. In the postscript data file also pressure control elements, such as. B. Print control strips with zonally arranged control fields, register marks and registration marks. The Print control elements are standardized and can can only be used on printing machines where the pressure control elements can be used. With help of a Raster image processor is the data of the Postscript files transformed into so-called bitmap data. The bitmap data is a facility for the illustration fed to a printing form, for which each a printing form of the process colors used becomes.

Es ist ein Nachteil, daß mit einem einmal erstellten Postscript-Data-File wegen der vorgesehenen Druckkontrollelemente die Art der zu verwendeten Druckmaschinen festgelegt ist. Gerade in Druckereien, die zum Beispiel Druckmaschinen von verschiedenen Herstellern verwenden, die mit Druckkontrollelementen verschiedener Standards arbeiten, wäre es wünschenswert, jeden beliebigen Auftrag auf einer beliebigen Maschine abzuarbeiten, vorrausgesetzt, die Druckmaschine wäre in Bezug auf die Qualität für den Auftrag geeignet.It is a disadvantage that with a once created Postscript data file because of the intended Pressure control elements the type of used Printing press is set. Especially in print shops, which for example printing presses of different Manufacturers use that with pressure control elements different standards, it would be desirable any job on any machine to complete, provided the printing press would be suitable for the job in terms of quality.

Um diesen Nachteil zu umgehen, wäre es möglich, in jedes zu druckende Layout alle für eine Druckerei in Frage kommenden Druckkontrollelemente zu integrieren. Bei dieser Methode würden die nicht benötigten Druckkontrollelemente unnötig Platz auf dem Druckprodukt einnehmen, der nicht mehr für das letztendlich weiterverwendbare Sujet zur Verfügung steht.To get around this disadvantage, it would be possible in every layout to be printed all for one Print shop eligible print control elements to integrate. With this method, those would not be needed Print control elements take up unnecessary space on the Ingest print product that is no longer for that ultimately reusable subject is available.

Es ist Aufgabe der Erfindung, ein Verfahren zum Steuern der Bebilderung eines Druckformträgers anzugeben, das eine flexible Fertigung eines Druckproduktes ermöglicht und daß die Disponibilität der in einer Druckerei verwendeten drucktechnischen Maschinen verbessert.The object of the invention is a method for controlling the imaging of a printing form carrier to indicate the flexible manufacture of a printed product enables and that the availability of the in a Printing house used printing machines improved.

Die Aufgabe wird mit einem Verfahren nach den Merkmalen des Anspruchs 1 gelöst.The task is followed by a procedure solved the features of claim 1.

Dadurch, daß das Zusammenführen der Bilddaten für die ausgewählten Druckkontrollelemente mit den Bilddaten für das Sujet erst nach der Disposition des Druckauftrages erfolgt, ist es möglich, zu einem späten Zeitpunkt die Entscheidung zu treffen, auf welchen drucktechnischen Maschinen der Auftrag laufen soll.Because the merging of the image data for the selected print control elements with the image data for the subject only after the disposition of the print job, it is possible to make a late decision on which one printing machines run the job should.

Das besagte Zusammenführen kann im Postscript-Dateiformat oder im Bitmap-Datenformat erfolgen, wozu der Speicher für die auszuwählenden Druckkontrollelemente Daten im Postscript- oder Bitmapformat enthält. Das Zusammenführen der Daten kann mit dem Rechner und dem Programm geschehen, mit dem das Postscript-Data-File erstellt wird oder mit einem Raster-Image-Prozessor oder mit dem Rechner, der die Einrichtung für die Bebilderung steuert.Said merging can be in the Postscript file format or in bitmap data format, including the memory for the print control elements to be selected Data in postscript or bitmap format contains. The data can be merged with the computer and the program with which the Postscript data file is created or with a raster image processor or with the computer that the Imaging device controls.

Der Speicher für die Daten der auszuwählenden Druckkontrollelemente kann im Bereich der Druckvorstufe oder direkt im Drucksaal untergebracht sein. Zum Zusammenführen der Daten können die Daten für die auszuwählenden Druckkontrollelemente über ein lokales Netzwerk übertragen werden, an das alle datenverarbeitungstechnischen Einrichtungen und drucktechnischen Maschinen angeschlossen sein können.The memory for the data of the ones to be selected Print control elements can be used in prepress or be accommodated directly in the press room. To merge the data, the data for the print control elements to be selected via a local one Network to which all data processing technology Facilities and printing Machines can be connected.

Die Erfindung soll anhand einer Figur noch näher erläutert werden:The invention is intended to be explained in more detail with reference to a figure are explained:

In der Figur ist ein Schema einer Druckerei dargestellt, die die zur Durchführung des Verfahrens notwendigen Einrichtungen enthält.The figure shows a diagram of a printing house, the necessary to carry out the procedure Includes facilities.

über ein lokales Netzwerk 1 sind die Einrichtungen aus dem Vorstufenbereich 2 mit den Einrichtungen im Maschinenraum 3 verbunden. Im Vorstufenbereich 2 befindet sich ein Rechner 4 mit einer Eingabeeinheit 5, wie zum Beispiel einer Tastatur oder einer Maus, mit einem Bildschirm 6, einem Speicher 7 für die Daten der Druckbilder und einem Speicher 8 für Daten zu Druckkontrollelementen. Die Bilddatensätze für die Druckkontrollelemente und für die Druckbilder besitzen im Ausgangszustand keine feste Zuordnung zueinander. Die Bilddatensätze besitzen aber das gleiche Datenformat, zum Beispiel Postscriptformat, so daß sie zusammen verarbeitbar sind. Der Ort der Speicherung der Bilddatensätze ist prinzipiell unerheblich. Zum Beispiel können die Speicher auch außerhalb der Druckerei angeordnet sein und über ein Modem 9 und das lokale Netzwerk 1 aus der Ferne übertragen werden.The facilities are via a local network 1 from prepress area 2 with the facilities connected in the engine room 3. In the prepress area 2 there is a computer 4 with an input unit 5, such as a keyboard or one Mouse, with a screen 6, a memory 7 for the Data of the printed images and a memory 8 for data to pressure control elements. The image records for the Have print control elements and for the print images in the initial state, no fixed assignment to one another. The image data sets have the same data format, for example postscript format so that they are together are processable. The place of storage of the In principle, image data sets are irrelevant. For example the store can also be located outside the print shop be and via a modem 9 and the local Network 1 can be transmitted remotely.

In der Druckerei befinden sich drucktechnische Einrichtungen, bei denen zur Steuerung der Betriebsvorgänge Druckkontrollelemente Verwendung finden, die nach verschiedenen Standards aufgebaut sind. Im Ausführungsbeispiel sind zwei Druckmaschinen 10, 11 mit je vier Druckwerken (Y, C, M, B) für deren Arbeitsweise es erforderlich ist, unterschiedliche Druckkontrollstreifen und Registermarken im Druckbild zur Verfügung zu haben. In den Druckmaschinen 10, 11 sind in jedem Druckwerk (Y, C, M, B) Imaging-Einheiten 12, 13 vorgesehen, mit denen Druckformträger bebildert werden können. Im Druckbild sind das eigentliche Sujet und die Druckkontrollelemente enthalten. Außer den Druckkontrollelementen, die für die Arbeitsweisen der Druckmaschinen 10, 11 erforderlich sind, können auch Druckkontrollelemente vorgesehen werden, die für die Arbeitsweise von drucktechnischen Einrichtungen erforderlich sind, die den Druckmaschinen nachgeordnet sind. Zum Beispiel können die Druckprodukte Falz- und Schneideinrichtungen zugeführt werden, die spezielle Falz- und Schneidmarken für die Steuerung des Falzoder Schnittregisters verwenden. Für drucktechnische Maschinen verschiedener Hersteller können völlig verschiedene Markenkonfigurationen erforderlich werden. Die Druckmaschinen 10, 11 sind mit Maschinenrechnern 14, 15 verbunden, die neben den Steuerdaten für die Druckmaschinen 10, 11 auch die Bitmapdaten für die Steuerung der Imaging-Einheiten 12, 13 liefern. Ein Bediener hat die Möglichkeit, über Eingabeeinheiten 16, 17 Steuerbefehle an die Druckmaschinen 10, 11 zu senden. Im Maschinenraum befindet sich weiterhin ein Proofer 18, mit dem vor dem Inbetriebsetzen der Imaging-Einheiten 12, 13 Hardcopys vom Druckbild erzeugt werden können.
Raster-Image-Prozessoren 19, 20 dienen dazu, aus Bilddaten im Postscript-Format Daten im Bitmap-Format zu generieren, mit denen die Imaging-Einheiten 12, 13 direkt ansteuerbar sind.The print shop has printing facilities that use pressure control elements to control the operations, which are constructed according to different standards. In the exemplary embodiment, two printing presses 10, 11, each with four printing units (Y, C, M, B), for whose mode of operation it is necessary to have different print control strips and register marks in the printed image. Imaging units 12, 13 are provided in the printing presses 10, 11 in each printing unit (Y, C, M, B), with which printing form carriers can be imaged. The actual subject and the print control elements are contained in the print image. In addition to the print control elements that are required for the working methods of the printing presses 10, 11, pressure control elements can also be provided that are required for the functioning of printing technology devices that are arranged downstream of the printing presses. For example, the printed products can be fed to folding and cutting devices that use special folding and cutting marks for controlling the folding or cutting register. Completely different brand configurations may be required for printing presses from different manufacturers. The printing presses 10, 11 are connected to machine computers 14, 15 which, in addition to the control data for the printing presses 10, 11, also supply the bitmap data for the control of the imaging units 12, 13. An operator has the option of sending control commands to the printing presses 10, 11 via input units 16, 17. In the machine room there is also a proofer 18 with which hard copies of the printed image can be generated before the imaging units 12, 13 are put into operation.
Raster image processors 19, 20 are used to generate data in bitmap format from image data in postscript format, with which the imaging units 12, 13 can be controlled directly.

Nach dem feststeht, auf welcher Druckmaschine 10, 11 und auf welchen der nachgeordneten Maschinen ein Auftrag abgewickelt werden soll, werden die Bilddaten, die das Sujet wiedergeben und die Bilddaten, welche Druckkontrollelemente wiedergeben zusammengeführt. Zur Disposition der drucktechnischen Maschinen 10, 11 kann ein Verfahren verwendet werden, welches in DE 39 14 238 A1 beschrieben ist. Die Entscheidung, welche Maschinen 10, 11 den Auftrag abarbeiten sollen, kann zu einem späten Zeitpunkt getroffen werden. Entsprechend den disponierten drucktechnischen Maschinen 10, 11 werden die erforderlichen Druckkontrollelemente mit Hilfe der Eingabeeinheit 5 und dem Bildschirm 6 ausgewählt. Dies kann manuell geschehen oder selbsttätig, wenn das in dem Rechner 4 befindliche Programm auf eine Liste zugreift, aus der eine Zuordnung der erforderlichen Druckkontrollelemente zu einer disponierten drucktechnischen Maschine 10, 11 hervorgeht.After which it is clear on which printing press 10, 11 and on which of the downstream machines an order is to be processed, the Image data that represent the subject and the image data, which print control elements reflect merged. For disposition of the printing machines 10, 11 a method can be used which is described in DE 39 14 238 A1. The decision, which machines 10, 11 process the order should be taken late become. According to the arranged printing technology Machines 10, 11 are required Print control elements using the input unit 5 and the screen 6 selected. This can be done manually happen or automatically if that is in the calculator 4 current program accesses a list from which an assignment of the required pressure control elements to a scheduled printing machine 10, 11 emerges.

Die Bilddaten des Sujets, welches gedruckt werden soll, und die Bilddaten, der ausgewählten Druckkontrollelemente, werden mit Hilfe des Rechners 4 zu einem einheitlichen Bilddatensatz für das Druckbild zusammengeführt. Aus der Information über die disponierten drucktechnischen Maschinen 10, 11 liegt die Lage der Druckkontrollelemente im Druckbild fest. Die Lage der Druckkontrollelemente muß mit den Abtastorten fotoelektrischer Sensoren korrespondieren, die anhand der Druckkontrollemente Istwert-Signale für die Steuerung oder Regelung von Betriebsvorgängen der jeweiligen drucktechnischen Maschine 10, 11 liefern. Besagtes Programm verarbeitet Daten der Druckkontrollelemente aus dem Speicher 8 und Daten des Sujets aus dem Speicher 7. Die zusammengeführten Daten können als Postscript-File im Speicher 7 abgelegt sein.The image data of the subject, which is printed and the image data of the selected one Print control elements are made with the help of the calculator 4 to a uniform image data set for the printed image merged. From the information about the scheduled printing machines 10, 11 is the location of the print control elements in the print image. The location the print control elements must match the scanning locations photoelectric sensors correspond to those based on the pressure control elements actual value signals for the control or regulation of operations of the respective deliver printing machine 10, 11. said Program processes data of the print control elements from the memory 8 and data of the subject the memory 7. The merged data can be stored in the memory 7 as a postscript file.

Nachdem alle Vorbereitungen für das Neubebildern der Druckformen in den Druckwerken (Y, C, M, B) getroffen sind, wird das Postscript-File des Druckbildes über das lokale Netzwerk 1 an den Raster-Image-Prozessor 19 übertragen. Im Raster-Image-Prozessor 19 erfolgt die Umwandlung der Daten des Druckbildes von Postscript-Format in das Bitmap-Format. Ab diesem Zeitpunkt können die Bilddaten mit Hilfe des Maschinenrechners 14 den Imaging-Einheiten 12 der Druckwerke (Y, C, M, B) zugeführt werden.After all preparations for the new imaging the printing forms in the printing units (Y, C, M, B) are met, the postscript file of the print image via the local network 1 to the raster image processor 19 transferred. In the raster image processor 19 the data of the printed image are converted from postscript format to bitmap format. From this The image data can be saved with the help of the machine computer 14 the imaging units 12 of the Printing units (Y, C, M, B) are fed.

Hilfsweise kann vor dem Bebildern mit dem Proofer 18 ein Probedruck vom gesamten Druckbild erzeugt werden. Dem Proofer 18 können die zusammengeführten Daten z. B. in Bitmap-Format zugeführt werden.Alternatively, you can use the Proofer 18 generates a test print of the entire printed image become. The Proofer 18 can the merged Data e.g. B. in bitmap format.

Die gleiche Prozedur kann für die Druckmaschine 11 und alle weiteren drucktechnischen Maschinen durchgeführt werden. In jeder Druckmaschine werden mit den Imaging-Einheiten 12, 13 die Druckkontrollelemente erzeugt, die für die Steuerung oder Regelung, allgemein also für den Betrieb der Druckmaschinen 10 bzw. 11 nützlich oder erforderlich sind. Auf den die Druckmaschine 10 bzw. 11 verlassenden Druckprodukten sind ebenfalls alle die Druckkontrollelemente enthalten, die für den Betrieb von bereits disponierten, nachgeordneten Falz-, Schneid- oder Falteinrichtungen erforderlich sind.The same procedure can be done for the printing press 11 and all other printing machines be performed. Be in every press with the imaging units 12, 13, the print control elements generated that for control or regulation, generally for the operation of the printing presses 10 or 11 are useful or necessary. To the Printing machine 10 or 11 leaving printed products all the pressure control elements are also included, those for the operation of already scheduled, subordinate Folding, cutting or folding equipment required are.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Lokales NetzwerkLocal network
22
Vorstufenbereichprepress
33
Maschinenraumengine room
44
Rechnercomputer
55
Eingabeeinheitinput unit
66
Bildschirmscreen
7, 87, 8
SpeicherStorage
99
Modemmodem
10, 1110, 11
Druckmaschinenprinting presses
12, 1312, 13
Imaging-EinheitImaging Unit
14, 1514, 15
Maschinenrechnermachine computer
16, 1716, 17
Eingabeeinheitinput unit
1818
Prooferproofer
19, 2019, 20
Raster-Image-ProzessorRaster image processor

Claims (1)

  1. Method for controlling the imaging of a printing forme carrier for a printing press wherein
    a computer (4) is connected to imaging devices (12, 13) integrated in a plurality of printing presses (10, 11) via a local area network (1),
    in a first section of a memory (7) of the computer (4), image data are stored representing the subject to be used after the printing operation,
    in a memory for digital control elements (8), image data are stored representing a plurality of digital print control elements to be used in the printing presses (10, 11),
    after a job has been assigned to a particular printing press (10, 11), a selection of the image data of digital print control elements is made to select those with which the job can be best controlled at the selected printing press (10, 11), the selection being performed by a programme in the computer (4), the programme automatically accessing a list that represents an allocation of the required print control elements to a selected printing press (10, 11),
    with the aid of the computer (4), the image data for the selected print control elements and the image data representing the subject of the job are combined in a further section of the memory (7) to form an image data set, and
    the image data set for producing the printing forme is transmitted from the further section of the memory (7) to one of the imaging devices (12, 13).
EP96114356A 1995-09-13 1996-09-07 Method for controlling the production of images on a printing plate carrier for a printing machine Expired - Lifetime EP0763427B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19533810A DE19533810B4 (en) 1995-09-13 1995-09-13 Method for controlling an imaging of a printing form support for a printing press
DE19533810 1995-09-13

Publications (4)

Publication Number Publication Date
EP0763427A2 EP0763427A2 (en) 1997-03-19
EP0763427A3 EP0763427A3 (en) 1997-07-16
EP0763427B1 EP0763427B1 (en) 2000-05-10
EP0763427B2 true EP0763427B2 (en) 2003-09-03

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ID=7771982

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Application Number Title Priority Date Filing Date
EP96114356A Expired - Lifetime EP0763427B2 (en) 1995-09-13 1996-09-07 Method for controlling the production of images on a printing plate carrier for a printing machine

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US (1) US6029576A (en)
EP (1) EP0763427B2 (en)
DE (1) DE19533810B4 (en)

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CA2236897A1 (en) * 1997-05-15 1998-11-15 Presstek, Inc. Distributed imaging and control architecture for digital printing presses and platesetters
DE19961605A1 (en) 1999-01-18 2000-07-20 Heidelberger Druckmasch Ag Printing press for multiple color printing has image transfer process which prepares print masters for subsequent application to transfer rollers while previous images are being printed
US6507848B1 (en) * 1999-03-30 2003-01-14 Adobe Systems Incorporated Embedded dynamic content in a static file format
DE19946585A1 (en) 1999-09-29 2001-04-12 Heidelberger Druckmasch Ag Process for adapting the printing process while maintaining the black structure
DE10023945A1 (en) * 2000-05-17 2001-11-22 Heidelberger Druckmasch Ag Printing process control
US6722279B2 (en) 2001-12-05 2004-04-20 Heidelberger Druckmaschinen Ag Device and corresponding method for rapid image data transfer in printing presses
DE10317187B4 (en) * 2002-05-31 2017-05-24 Heidelberger Druckmaschinen Ag Automatic transfer of data from prepress to press
JP4657618B2 (en) * 2003-05-28 2011-03-23 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト Method for generating digital imaging data and raster image processor
US20050080750A1 (en) * 2003-10-14 2005-04-14 Eastman Kodak Company Integrated job accounting in a printing press environment
DE102007009091A1 (en) * 2007-02-24 2008-08-28 Man Roland Druckmaschinen Ag System for imaging of printing forms
US20090067911A1 (en) * 2007-09-12 2009-03-12 Seiko Epson Corporation Printing method, printing device, and method of producing printing material

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EP0505323A1 (en) † 1991-03-21 1992-09-23 Maschinenfabrik Wifag Method of adjusting the screendot sizes of a rotary offset printing machine
EP0639456A1 (en) † 1993-08-20 1995-02-22 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Method and system of communication for computer aided printing

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DE3914238A1 (en) * 1989-04-29 1990-10-31 Heidelberger Druckmasch Ag METHOD AND ARRANGEMENT FOR CONTROLLING PRINTING MACHINES
IL98453A (en) * 1991-06-11 1996-06-18 Scitex Corp Ltd Method and apparatus for creating a control strip
JP3026677B2 (en) * 1992-05-20 2000-03-27 株式会社リコー Stencil printing machine
US5375516A (en) * 1992-07-16 1994-12-27 Riso Kagaku Corporation Stencil printing device having a plurality of printing drums arranged on an incline
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Publication number Priority date Publication date Assignee Title
EP0495563A2 (en) † 1991-01-15 1992-07-22 Scitex Corporation Ltd. Apparatus and techniques for computerized printing
EP0505323A1 (en) † 1991-03-21 1992-09-23 Maschinenfabrik Wifag Method of adjusting the screendot sizes of a rotary offset printing machine
EP0639456A1 (en) † 1993-08-20 1995-02-22 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Method and system of communication for computer aided printing

Also Published As

Publication number Publication date
US6029576A (en) 2000-02-29
EP0763427B1 (en) 2000-05-10
EP0763427A3 (en) 1997-07-16
DE19533810B4 (en) 2006-04-20
EP0763427A2 (en) 1997-03-19
DE19533810A1 (en) 1997-03-20

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