EP0319892A2 - Method and apparatus for driving a photosetter by video signals generated by a desk top publishing system (DTP) - Google Patents

Method and apparatus for driving a photosetter by video signals generated by a desk top publishing system (DTP) Download PDF

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Publication number
EP0319892A2
EP0319892A2 EP88120285A EP88120285A EP0319892A2 EP 0319892 A2 EP0319892 A2 EP 0319892A2 EP 88120285 A EP88120285 A EP 88120285A EP 88120285 A EP88120285 A EP 88120285A EP 0319892 A2 EP0319892 A2 EP 0319892A2
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EP
European Patent Office
Prior art keywords
laser printer
dtp
signals
laser
controlling
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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.)
Granted
Application number
EP88120285A
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German (de)
French (fr)
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EP0319892A3 (en
EP0319892B1 (en
Inventor
Jörg Bröning
Wolf-Ulrich Buchholz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELAPLAN BUCHHOLZ KG
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ELAPLAN BUCHHOLZ KG
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Publication date
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Priority to AT8888120285T priority Critical patent/ATE104817T1/en
Publication of EP0319892A2 publication Critical patent/EP0319892A2/en
Publication of EP0319892A3 publication Critical patent/EP0319892A3/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B23/00—Auxiliary devices for modifying, mixing or correcting text or layout in connection with photographic or photoelectronic composing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B19/00—Photoelectronic composing machines

Definitions

  • the invention relates to a method and a device for controlling a light set device with video signals generated by a desk top publishing system (DTP).
  • DTP desk top publishing system
  • the invention has for its object to provide a method and an interface that allow, with little technical effort, to control a light-setting device using video signals generated by a desk-top publishing system.
  • the method proposed according to the invention is characterized by outputting the DTP signals on a conventional laser printer, taking off the modulation signals for the laser diode of the laser printer, taking off the trigger signal of the mirror system of the laser printer and converting that from the laser diode the modulation signals taken from the laser printer to generate signals suitable for controlling the light-setting device using the trigger signals of the mirror system of the laser printer.
  • An interface for performing this method is characterized by a first input for receiving the modulation signal for the laser diode of a laser printer of the DTP system, a second input for receiving the trigger signal of the mirror system of the laser printer, a converter for converting the modulation signals taken from the laser diode of the laser printer into signals suitable for controlling the light set device using the trigger signals of the mirror system of the laser printer, and an output for inputting the video signal thus generated for controlling the light set device.
  • the desk-top publishing system consists of a personal computer 10 loaded with DTP software. Alpha-numeric characters can be entered in this using a keyboard. Images can also be read in via a scanner 26. Images and text are then brought into the desired arrangement in the personal computer 10.
  • the DTP system has a customary laser printer 14, which consists of a signal shaping unit 28 and a print unit 30 with a laser beam generation, an optical system, a mirror system and a drum.
  • the signals converted by the signal shaping unit 26 to control the laser diode of the print unit to control the light setting device.
  • this converter 20 is provided with a first input 12, which receives the signal coming from the signal adaptation unit 26 of the laser printer and used to control the laser diode.
  • the converter 20 is provided with a second input 16, which receives the trigger signal of the mirror system of the laser unit of the laser printer. Based on the line-by-line modulation signal and the trigger signal present at the beginning of each line, the converter 20 generates data in a data format that can be read by the light set device 22.
  • the proposed design thus makes it possible to reproduce data generated by a DTP system on a light set device.
  • the proposed method and the corresponding device have the advantage that the control signals for the laser printer, which are already present line by line, need only be converted slightly in order to be suitable for controlling the light setting device. It is also advantageous that adaptation to the DTP system used in each case is not necessary, since the commercially available DTP programs are already provided with an installation program which are used to adapt to the laser printer used in each case.
  • the modulation signals for the laser diode picked up by the laser printer are therefore completely independent of the respective DTP software.
  • the generators present in the laser printer can be used for the characters.
  • a hard copy can be generated using the laser printer before the print page generated in the DTP system is output. This print page is only output again if the result is satisfactory, this time via the interface to the light setting device.
  • the method and interface according to the invention thus make it easy to control a light-setting device using the video signals generated by the desk-top publishing system.

Abstract

This method is characterised by outputting the DTP video signals to a conventional laser printer, picking up the modulation signals for the laser diode of the laser printer, picking up the trigger signal for the mirror system of the laser printer and converting the modulation signals picked up in front of the laser diode of the laser printer into modulation signals suitable for controlling the photosetter by using the trigger signals of the mirror system of the laser printer and interface for carrying out this method.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrich­tung zum Ansteuern eines Lichtsatzgerätes mit von einem Desk-Top-Publishing System (DTP) erzeugten Videosigna­len.The invention relates to a method and a device for controlling a light set device with video signals generated by a desk top publishing system (DTP).

Desk-Top-Publishing Systeme finden zunehmend Anwendung, wobei üblicherweise Personal-Computer verwendet werden.Desk-top publishing systems are increasingly being used, usually using personal computers.

Es ist bekannt, DTP-Videosignale zur Ansteuerung von Lichtsatzgeräten zu verwenden.It is known to use DTP video signals to control light-setting devices.

Bei den bekannten Verfahren und Vorrichtungen ist der technische Aufwand erheblich, die bekannten Verfahren zur Umwandlung der DTP-Signale in zur Steuerung eines Lichtsatzgerätes geeignete Signale sind weiter zeitauf­ wendig.In the known methods and devices, the technical outlay is considerable; the known methods for converting the DTP signals into signals suitable for controlling a light setting device are still time-consuming agile.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren bzw. ein Interface zu schaffen, die es mit geringem technischen Aufwand ermöglichen, ein Lichtsatzgerät unter Verwendung von von einem Desk-Top-Publishing-­System erzeugten Videosignalen zu steuern.The invention has for its object to provide a method and an interface that allow, with little technical effort, to control a light-setting device using video signals generated by a desk-top publishing system.

Das erfindungsgemäß vorgeschlagene Verfahren zeichnet sich aus durch Ausgeben der DTP-Signale auf einen übli­chen Laser-Printer, Abnehmen der Modulationssignale für die Laser-Diode des Laser-Printers, Abnehmen des Trig­gersignals des Spiegelsystems des Laser-Printers und Konvertieren der von der Laser-Diode des Laser-Printers abgenommenen Modulationssignale zur Erzeugung von zur Steuerung des Lichtsatzgerätes geeigneten Signalen unter Verwendung der Triggersignale des Spiegelsystems des Laser-Printers.The method proposed according to the invention is characterized by outputting the DTP signals on a conventional laser printer, taking off the modulation signals for the laser diode of the laser printer, taking off the trigger signal of the mirror system of the laser printer and converting that from the laser diode the modulation signals taken from the laser printer to generate signals suitable for controlling the light-setting device using the trigger signals of the mirror system of the laser printer.

Ein Interface zur Durchführung dieses Verfahrens zeich­net sich aus durch einen ersten Eingang zum Aufnehmen des Modulationssignals für die Laser-Diode eines Laser-­Printers des DTP-Systems, einem zweiten Eingang zum Aufnehmen des Triggersignals des Spiegelsystems des Laser-Printers, einen Konverter zum Konvertieren der von der Laser-Diode des Laser-Printers abgenommenen Modulationssignale in zur Steuerung des Lichtsatzge­rätes geeignete Signale unter Verwendung der Trigger­signale des Spiegelsystems des Laser-Printers, und einen Ausgang zum Aufgeben des so erzeugten Videosig­nals zum Steuern des Lichtsatzgerätes.An interface for performing this method is characterized by a first input for receiving the modulation signal for the laser diode of a laser printer of the DTP system, a second input for receiving the trigger signal of the mirror system of the laser printer, a converter for converting the modulation signals taken from the laser diode of the laser printer into signals suitable for controlling the light set device using the trigger signals of the mirror system of the laser printer, and an output for inputting the video signal thus generated for controlling the light set device.

Die Erfindung wird anhand einer Zeichnung erläutert, in der die vorgeschlagene Anordnung schematisch darge­stellt ist.The invention is explained with reference to a drawing in which the proposed arrangement is shown schematically.

Das Desk-Top-Publishing Systems besteht aus einem mit einer DTP-Software geladenen Personal-Computer 10. In diesen können über eine Tastatur alpha-numerische Zei­chen eingegeben werden. Über einen Scanner 26 können auch Bilder eingelesen werden. In dem Personal-Comuter 10 werden Bilder und Text sodann in die gewünschte Anordnung gebracht.The desk-top publishing system consists of a personal computer 10 loaded with DTP software. Alpha-numeric characters can be entered in this using a keyboard. Images can also be read in via a scanner 26. Images and text are then brought into the desired arrangement in the personal computer 10.

Zur Ausgabe weist das DTP-System einen üblichen Laser-­Printer 14 auf, der aus einer Signalformeinheit 28 und einer Printeinheit 30 mit einer Laserstrahlerzeugung, einer Optik, einem Spiegelsystem und einer Trommel besteht.For output, the DTP system has a customary laser printer 14, which consists of a signal shaping unit 28 and a print unit 30 with a laser beam generation, an optical system, a mirror system and a drum.

Erfindungsgemäß wird vorgeschlagen, die von der Signal­formeinheit 26 gewandelten, die Laser-Diode der Print­einheit ansteuernden Signale zur Ansteuerung des Licht­satzgerätes zu verwenden. Um dies zu ermöglichen, ist lediglich ein Konverter 20 erforderlich, der die be­reits zeilenweise vorliegenden Signale lediglich ge­ringfügig umwandelt, um diese in ein von dem Licht­satzgerät 22 lesbares Datenformat zu bringen. Dieser Konverter 20 ist zu diesem Zweck mit einem ersten Eingang 12 versehen, der das von der Signalanpassungs­einheit 26 des Laser-Druckers kommende, zur Ansteuerung der Laser-Diode dienende Signal aufnimmt. Weiter ist der Konverter 20 mit einem zweiten Eingang 16 versehen, der das Triggersignal des Spiegelsystems der Laser-­Einheit des Laser-Druckers aufnimmt. Anhand des zeilen­weise vorliegenden Modulationssignals und des bei Be­ginn jeder Zeile anliegenden Triggersignals erzeugt der Wandler 20 Daten in einem Datenformat, das von dem Lichtsatzgerät 22 gelesen werden kann.According to the invention, it is proposed to use the signals converted by the signal shaping unit 26 to control the laser diode of the print unit to control the light setting device. In order to make this possible, only a converter 20 is required, which only slightly converts the signals already present line by line in order to convert them into a data format readable by the light setting device 22. For this purpose, this converter 20 is provided with a first input 12, which receives the signal coming from the signal adaptation unit 26 of the laser printer and used to control the laser diode. Furthermore, the converter 20 is provided with a second input 16, which receives the trigger signal of the mirror system of the laser unit of the laser printer. Based on the line-by-line modulation signal and the trigger signal present at the beginning of each line, the converter 20 generates data in a data format that can be read by the light set device 22.

Die vorgeschlagene Ausbildung ermöglicht es somit, von einem DTP-Systems erzeugte Daten auf einem Lichtsatzge­rät wiederzugeben.The proposed design thus makes it possible to reproduce data generated by a DTP system on a light set device.

Das vorgeschlagene Verfahren sowie die entsprechende Vorrichtung haben den Vorteil, daß die bereits zeilen­weise vorliegenden Steuersignale für den Laser-Printer lediglich geringfügig gewandelt zu werden brauchen, um zur Ansteuerung des Lichtsatzgerätes geeignet zu sein. Vorteilhaft ist weiter, daß eine Anpassung an das je­weils verwendete DTP-System nicht erforderlich ist, da die handelsüblichen DTP-Programme bereits mit einem Installationsprogramm versehen sind, die zur Anpassung an den jeweils verwendeten Laser-Printer dienen. Die von dem Laser-Printer abgenommenen Modulationssignale für die Laser-Diode sind also völlig unabhängig von der jeweiligen DTP-Software.The proposed method and the corresponding device have the advantage that the control signals for the laser printer, which are already present line by line, need only be converted slightly in order to be suitable for controlling the light setting device. It is also advantageous that adaptation to the DTP system used in each case is not necessary, since the commercially available DTP programs are already provided with an installation program which are used to adapt to the laser printer used in each case. The modulation signals for the laser diode picked up by the laser printer are therefore completely independent of the respective DTP software.

Weiter ist vorteilhaft, daß die in dem Laser-Printer vorhandenen Generatoren für die Schriftzeichen verwen­det werden können.It is also advantageous that the generators present in the laser printer can be used for the characters.

Bei Verwendung des vorgeschlagenen Interfaces kann vor dem Ausgeben der in dem DTP-System erzeugten Druckseite eine Hardcopy mit Hilfe des Laser-Printers erzeugt werden. Erst bei einem befriedigenden Ergebnis wird dieser Druckseite erneut ausgegeben, diesmal über das Interface auf das Lichtsatzgerät.When using the proposed interface, a hard copy can be generated using the laser printer before the print page generated in the DTP system is output. This print page is only output again if the result is satisfactory, this time via the interface to the light setting device.

Verfahren und Interface nach der Erfindung ermöglichen somit auf einfache Weise das Ansteuern eines Lichtsatz­gerätes unter Verwendung der von dem Desk-Top-Publish­ing-Systems erzeugten Videosignale.The method and interface according to the invention thus make it easy to control a light-setting device using the video signals generated by the desk-top publishing system.

Claims (2)

1. Verfahren zum Ansteuern eines Lichtsatzgerätes mit von einem Desk-Top-Publishing-Systems (DTP) erzeugten Videosignals, gekennzeichnet durch
- Ausgeben der DTP-Videosignale auf einen üblichen Laser-Printer,
- Abnehmen der Modulationssignale für die Laser-­Diode des Laser-Printers,
- Abnehmen des Triggersignals des Spiegelsystems des Laser-Printers, und
- Konvertieren der vor der Laser-Diode des Laser-­Printers abgenommenen Modulationssignale in zur Steue­rung des Lichtsatzgerätes geeignete Modulationssignale unter Verwendung der Triggersignale des Spiegelsystems des Laser-Printers.1. A method for controlling a light set device with video signals generated by a desk top publishing system (DTP), characterized by
Output of the DTP video signals on a conventional laser printer,
Decrease of the modulation signals for the laser diode of the laser printer,
- Decrease the trigger signal of the mirror system of the laser printer, and
- Converting the modulation signals taken in front of the laser diode of the laser printer into modulation signals suitable for controlling the light setting device, using the trigger signals of the mirror system of the laser printer. 2. Interface zum Ansteuern eines Lichtsatzgerätes mit von einem Desk-Top-Publishing-Sytems (DTP) erzeugten Videosignalen, gekennzeichnet durch
- einen ersten Eingang (12) zum Aufnehmen des Modu­lationssignals für die Laser-Diode eines Laser-Printers (14) des DTP-Systems,
- einem zweiten Eingang (16) zum Aufnehmen des Trig­gersignals des Spiegelsystems des Laser-Printers (18),
- einen Konverter (20) zum Konvertieren der von der Laser-Diode des Laser-Printers abgenommenen Modula­tionssignale in zur Steuerung des Lichtsatzgerätes (22) geeignete Signale unter Verwendung der Triggersignale des Spiegelsystems des Laser-Printers, und
- einen Ausgang (24) zum Aufgeben des so erzeugten Videosignals zum Steuern des Lichtsatzgerätes (22).2. Interface for controlling a light set device with video signals generated by a desk top publishing system (DTP), characterized by
- a first input (12) for receiving the modulation signal for the laser diode of a laser printer (14) of the DTP system,
- a second input (16) for receiving the trigger signal of the mirror system of the laser printer (18),
- A converter (20) for converting the modulation signals taken from the laser diode of the laser printer into signals suitable for controlling the light setting device (22) using the trigger signals of the mirror system of the laser printer, and
- An output (24) for giving up the video signal thus generated for controlling the light setting device (22).
EP88120285A 1987-12-07 1988-12-05 Method and apparatus for driving a photosetter by video signals generated by a desk top publishing system (DTP) Expired - Lifetime EP0319892B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT8888120285T ATE104817T1 (en) 1987-12-07 1988-12-05 METHOD AND DEVICE FOR CONTROLLING A LIGHT SETTING DEVICE WITH VIDEO SIGNALS GENERATED BY A DESK TOP PUBLISHING SYSTEM (DTP).

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873741356 DE3741356A1 (en) 1987-12-07 1987-12-07 METHOD AND DEVICE FOR DRIVING A LIGHTING DEVICE WITH VIDEO SIGNALS GENERATED BY A DESK TOP PUBLISHING SYSTEM (DTP)
DE3741356 1987-12-07

Publications (3)

Publication Number Publication Date
EP0319892A2 true EP0319892A2 (en) 1989-06-14
EP0319892A3 EP0319892A3 (en) 1991-01-30
EP0319892B1 EP0319892B1 (en) 1994-04-20

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Application Number Title Priority Date Filing Date
EP88120285A Expired - Lifetime EP0319892B1 (en) 1987-12-07 1988-12-05 Method and apparatus for driving a photosetter by video signals generated by a desk top publishing system (DTP)

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EP (1) EP0319892B1 (en)
AT (1) ATE104817T1 (en)
DE (2) DE3741356A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000493A (en) * 1971-04-12 1976-12-28 Eastman Kodak Company Acoustooptic scanner apparatus and method
GB1580249A (en) * 1977-12-20 1980-11-26 Hell Rudolf Dr Ing Gmbh Electronic photo-seting apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000493A (en) * 1971-04-12 1976-12-28 Eastman Kodak Company Acoustooptic scanner apparatus and method
GB1580249A (en) * 1977-12-20 1980-11-26 Hell Rudolf Dr Ing Gmbh Electronic photo-seting apparatus

Also Published As

Publication number Publication date
EP0319892A3 (en) 1991-01-30
DE3889205D1 (en) 1994-05-26
DE3741356A1 (en) 1989-06-15
EP0319892B1 (en) 1994-04-20
ATE104817T1 (en) 1994-05-15

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