EP0401691A2 - Vorrichtung und Verfahren zum Detektieren von Registermarken in einer Mehrfarbendruckpresse - Google Patents

Vorrichtung und Verfahren zum Detektieren von Registermarken in einer Mehrfarbendruckpresse Download PDF

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Publication number
EP0401691A2
EP0401691A2 EP90110405A EP90110405A EP0401691A2 EP 0401691 A2 EP0401691 A2 EP 0401691A2 EP 90110405 A EP90110405 A EP 90110405A EP 90110405 A EP90110405 A EP 90110405A EP 0401691 A2 EP0401691 A2 EP 0401691A2
Authority
EP
European Patent Office
Prior art keywords
color printing
field
geometric center
indicator
mark
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.)
Granted
Application number
EP90110405A
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English (en)
French (fr)
Other versions
EP0401691A3 (de
EP0401691B1 (de
Inventor
Roger Roch
Vaclav Vitous
Panayotis Kammenos
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.)
Bobst Mex SA
Original Assignee
Bobst SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bobst SA filed Critical Bobst SA
Publication of EP0401691A2 publication Critical patent/EP0401691A2/de
Publication of EP0401691A3 publication Critical patent/EP0401691A3/de
Application granted granted Critical
Publication of EP0401691B1 publication Critical patent/EP0401691B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41F33/0081—Devices for scanning register marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2233/00—Arrangements for the operation of printing presses
    • B41P2233/50—Marks on printed material
    • B41P2233/52—Marks on printed material for registering

Definitions

  • the subject of the present invention is a method and a device for detecting marks for printing in a multi-color printing press working on a material, in strip or in sheets, having an image printing area and an area for printing signs of print quality control.
  • One of the solutions which has been adopted consists in printing one or more registration marks, in relation to the printed image, in an unprinted area of the material, in strip or in sheets, worked by the printing press, by example in the edge of the sheet or the strip or sometimes, in a space separating two successive impressions.
  • These registration marks which must also serve to check the longitudinal and lateral registration errors, are generally trapezoidal in shape and are detected using a reading device.
  • To check the position of the registration mark affixed by a printing group with the position of the registration mark applied by another printing group it is first necessary to open a reading window in the area where the 'The location of the tracking mark is anticipated. It is then necessary to define the position of this reading window and to recognize, within this one, an image which is effectively the mark of reference.
  • the following operation consists in measuring the dimension of the mark, in an identical zone for all the successive marks parading in front of the reading device, so as to know the existing locating error. Finally, it is necessary to transform this measurement information into a corrective signal which can be used by the marking correction bodies. In this solution, the size of the registration marks is relatively large, in order to allow good reading.
  • a device for obtaining a reading window is described in detail in patent CH 548933 and a device for reading and recognizing registration marks is the subject of patent CH 556738.
  • the present invention aims to provide a solution to the problem of waste material when using registration marks to correct the longitudinal and lateral errors of printing, while considerably increasing the reliability of detection of registration marks. .
  • the invention provides a detection method in accordance with what is claimed in claim 1, as well as a device for implementing the method in accordance with what is stated in claim 5.
  • FIG. 1 shows the appearance of a first printed registration mark 1 carried by a strip material 2 such as, for example, cardboard.
  • This printed registration mark 1 is affixed in an area called the printing quality control signs of the printing area, for example the area between two images printed on the strip 2 or else in an area on the margin of strip 2 to be printed.
  • the reason for printing the printed registration mark 1 in the area reserved for print control signs is motivated by the fact that the print control signs are still on the strip 2 and that, by placing the printed registration marks 1 there, the area is removed specific area reserved exclusively for printing registration marks and thereby eliminating waste, also increasing the useful area to be printed.
  • the printed marking mark 1 in FIG. 1 is made up of 5 signs 3a to 3e. These signs 3a to 3e are represented here as being points distributed in staggered rows, in the manner of the number five carried by the face of a die.
  • the printed registration mark 1 also includes three color printing indicators 4a to 4c.
  • the color printing indicator 4a being that corresponding to the printing group applying the blue color
  • the color printing indicator 4b being that corresponding to the printing group applying the red color
  • the color printing indicator 4c being that corresponding to the printing group applying the color yellow.
  • the printing group applying the color black in this case being the first printing group, will be the reference group and its color printing indicator will be represented by the five signs 3a to 3e of the printed registration mark 1.
  • FIG. 1 also shows, in phantom, basic fields 5a to 5c which are assigned to each of the color print indicators 4a to 4c.
  • basic fields 5a to 5c represented here in a substantially square shape, a geometric center 6a to 6c for each of them. It is also possible to define the geometric center 7a to 7c of each of the color printing indicators 4a to 4c.
  • FIG. 2 represents a second registration mark 8, identical in all points to the registration mark 1 in FIG. 1 as regards the arrangement of the signs 9a to 9e.
  • the second registration mark differs from the first by the position occupied by the colored printing indicators 10 to 10c which are arranged here outside the five signs 9a to 9e making up the registration mark 8.
  • This arrangement of the registration indicators color printing 10a to 10c is encountered, for example, at the start of the machine, which can be assimilated to a transitional period during which the tracking error can be greater than in normal cruising conditions.
  • FIG. 3 represents the image of a reference virtual reference mark 13 which has been placed, for reasons of clarity of the figure, in a square in dotted lines 14.
  • This virtual reference reference mark 13 comprises the same number of signs 15a to 15e as the printed registration mark 1 or 8.
  • the arrangement of these signs 15a to 15e, in the reference virtual reference mark 13, is identical to that of the printed registration mark 1 or 8
  • an adaptation of the image comparator will be carried out in order to support an admissible difference value between these different signs.
  • FIG. 4 is a schematic view of a device for detecting registration marks intended for processing a double-sided printed web.
  • the device comprises a first high speed camera and low optical aberration 16 associated with a flash 17 for the front of the strip, and a second camera 23 associated with a flash 24 for the back of the strip.
  • the cameras 16 and 23 are connected to an image processing device 18 equipped with an image viewing monitor 19.
  • the image processing device is connected to a central unit 20 advantageously chosen as being a personal computer of the type PC - AT or similar.
  • the central unit 20 includes an interface 21 for processing information relating to the operating conditions of the machine which are themselves recorded in a conditioning unit 22 for "machine" information.
  • This conditioning member 22 receives, from the machine, "INDEX” information originating from a pulse generator mounted on the printing cylinder of the machine.
  • This "INDEX” information corresponds to a position “zero” of the pulse generator and will be used to calculate, using a pulse counter, the number of pulses separating this "INDEX” position relative to the image of the printing cylinder image.
  • the pulse generator and the counter have not been shown in this figure.
  • the conditioning unit 22 also receives information P relating to the time at which the flash 17 must be controlled respectively 24. This information comes from a pulse generator coupled to the counter (not shown) and will be defined as a function of the value issued for the "INDEX" information.
  • the conditioning unit 22 will emit, simultaneously and in order, a signal for choosing the camera SCAM, a signal for requesting a flash command DCFL and will receive, if the conditions are acceptable, a receipt signal SQ.
  • the receipt signal SQ having been received, the conditioning unit 22 will then issue the OFL1 flash order or the OFL2 flash order depending on whether camera 16 or camera 23 has been selected.
  • the OFL1 signal will be transmitted to the control circuit 25 of the flash 17 and the OFL2 signal will be transmitted to the control circuit 26 of the flash 24.
  • the connection between the image processing device 18 and the central unit 20 is made at l using an RS 232 cable while the central unit 20 is connected to the conditioning unit 22 using a BNET network.
  • FIG. 5 is a block diagram of the device of Figure 4, showing in detail the elements constituting the device for detecting registration marks.
  • This figure shows for memory the reading devices of the marking marks, that is to say the cameras 16 and 23, their respective flash 17 and 24 as well as their control circuit 25 and 26.
  • the central unit 20, its interface 21 and the packaging member 22 are also shown.
  • the image processing device 18 is shown in dotted lines.
  • This image processing device 18 comprises a digitizer 27 connected to a memory 28 in which a generator circuit 29 is provided for the reference virtual reference mark 13.
  • the image processing device 18 also comprises a discrimination unit 30 composed of a basic field generator 31, a basic field enlarger 32, an image comparator 33, a calculator of the geometric base field center 34, a color print indicator detector 35, a calculator of the geometric center of color print witness 36 and, finally, a position comparator of geometric centers 37 to establish the recognition of position errors between the geometric center of the base field and the geometric center of color print witness .
  • the discrimination unit 30 is followed by a signal transmitter 38 which will serve as its output stage.
  • Figure 6 is a functional flow diagram of the device of Figure 4 to which we will refer below to explain the operation of the device for detecting registration marks. This is how it works:

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
EP90110405A 1989-06-08 1990-06-01 Vorrichtung und Verfahren zum Detektieren von Registermarken in einer Mehrfarbendruckpresse Expired - Lifetime EP0401691B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2181/89 1989-06-08
CH2181/89A CH679990A5 (de) 1989-06-08 1989-06-08

Publications (3)

Publication Number Publication Date
EP0401691A2 true EP0401691A2 (de) 1990-12-12
EP0401691A3 EP0401691A3 (de) 1991-07-24
EP0401691B1 EP0401691B1 (de) 1994-03-16

Family

ID=4227783

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Application Number Title Priority Date Filing Date
EP90110405A Expired - Lifetime EP0401691B1 (de) 1989-06-08 1990-06-01 Vorrichtung und Verfahren zum Detektieren von Registermarken in einer Mehrfarbendruckpresse

Country Status (11)

Country Link
US (1) US5138667A (de)
EP (1) EP0401691B1 (de)
JP (1) JPH03184052A (de)
AT (1) ATE102871T1 (de)
AU (1) AU634241B2 (de)
BR (1) BR9002694A (de)
CA (1) CA2018449C (de)
CH (1) CH679990A5 (de)
DE (1) DE69007339T2 (de)
DK (1) DK0401691T3 (de)
ES (1) ES2050879T3 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0453974A3 (en) * 1990-04-26 1993-01-27 Bobst S.A. Controlling the print and cut quality in a machine for the production of packagings
DE4235393A1 (de) * 1992-10-21 1994-04-28 Heidelberger Druckmasch Ag Registerverstelleinrichtung an einer Bogendruckmaschine sowie Verfahren zur Registerverstellung
DE4335351A1 (de) * 1993-10-16 1995-04-20 Heidelberger Druckmasch Ag Einrichtung zur Kompensation von Passerabweichungen bei Druckprodukten
WO1997010955A1 (es) * 1995-09-20 1997-03-27 Fabrica Nacional De Moneda Y Timbre Procedimiento para detectar falta y/o desajuste de la impresión en documentos de valor y similares
RU2127450C1 (ru) * 1993-02-17 1999-03-10 Де ла рю Жиори С.А. Устройство для проверки отпечатанного материала, печатающее устройство и способ проверки изображения на листе
EP1219420A1 (de) 2000-12-27 2002-07-03 Bobst S.A. Vorrichtung zur Abtastung von Registermarken in einer Mehrfarbendruckmaschine
DE102007049679A1 (de) * 2007-10-17 2009-04-23 Robert Bosch Gmbh Markierungssensor und Verfahren zum Auswerten von Markierungen
CN109203629A (zh) * 2018-09-06 2019-01-15 武汉华茂自动化股份有限公司 一种用于双面淋膜复合机的图案套准方法及系统

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JPH0596700A (ja) * 1991-10-04 1993-04-20 Murata Mfg Co Ltd スクリーン印刷の位置合わせ方法
DE4321179A1 (de) * 1993-06-25 1995-01-05 Heidelberger Druckmasch Ag Verfahren und Einrichtung zur Steuerung oder Regelung von Betriebsvorgängen einer drucktechnischen Maschine
JPH0825616A (ja) * 1994-05-13 1996-01-30 Sagawa Insatsu Kk 多色印刷機における見当合わせの方法及び装置
US5638459A (en) * 1994-09-20 1997-06-10 Neopath, Inc. Method and apparatus for detecting a microscope slide coverslip
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US5857784A (en) * 1997-01-28 1999-01-12 Bayer Corp. Agfa Division Image position error detection technique
US6164847A (en) * 1997-01-28 2000-12-26 Agfa Corporation Imaging parameter detection
US6721061B1 (en) 1997-02-13 2004-04-13 Agfa Corporation Method and apparatus for display of banding
US6535307B1 (en) 1997-02-13 2003-03-18 Agfa Corporation Method and apparatus for display of imaging parameters
WO1998043788A1 (en) * 1997-03-28 1998-10-08 Preco Industries, Inc. Web or sheet-fed apparatus having high-speed positioning mechanism
US7640836B1 (en) 1997-03-28 2010-01-05 Preco Industries, Inc. Method for simultaneous x, y and θ registration of segment of continuous web with a processing station
CA2302197C (en) * 1997-09-02 2006-05-16 Innolutions, Inc. Method and apparatus for register mark identification
US6059705A (en) * 1997-10-17 2000-05-09 United Container Machinery, Inc. Method and apparatus for registering processing heads
US6275600B1 (en) * 1998-03-09 2001-08-14 I.Data International, Inc. Measuring image characteristics of output from a digital printer
US6266437B1 (en) * 1998-09-04 2001-07-24 Sandia Corporation Sequential detection of web defects
JP4794708B2 (ja) * 1999-02-04 2011-10-19 オリンパス株式会社 ３次元位置姿勢センシング装置
US6678067B1 (en) 1999-04-06 2004-01-13 Videk, Inc. Automated document inspection system
DE19919741A1 (de) * 1999-04-30 2000-11-02 Heidelberger Druckmasch Ag Verfahren zur Registersteuerung beim Übereinanderdruck mehrerer Teilfarben
ATE434522T1 (de) * 2000-05-17 2009-07-15 Eastman Kodak Co Verfahren zur registereinstellung an einer mehrfarbendruckmaschine
US6824638B1 (en) * 2000-07-27 2004-11-30 3M Innovative Properties Company Graphic image film registration systems and methods
WO2002014070A1 (en) * 2000-08-14 2002-02-21 Dainippon Screen Mfg. Co., Ltd. Printer
JP4387634B2 (ja) * 2001-03-27 2009-12-16 株式会社小森コーポレーション 画像焼付装置の制御装置
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DE10244437B4 (de) * 2002-09-24 2009-09-17 Maschinenfabrik Wifag Verfahren zur Bestimmung der Position und Form von Marken auf einer bedruckten Papierbahn
US7418114B2 (en) * 2003-06-11 2008-08-26 Dainippon Screen Mfg. Co., Ltd. Print tone measuring method
DE10349896B4 (de) * 2003-10-25 2005-11-17 Koenig & Bauer Ag Bogendruckmaschine und Verfahren zum Betreiben einer Bogendruckmaschine
ATE389537T1 (de) 2004-01-28 2008-04-15 Koenig & Bauer Ag Druckmaschine mit einer vorrichtung und einem verfahren zur kompensation der laengsdehnung und der querdehnung einer in verschiedenen druckwerken gedruckten bedruckstoffbahn
DE102004004264C5 (de) 2004-01-28 2011-02-24 Koenig & Bauer Aktiengesellschaft Verfahren zur Kompensation einer Querdehnung und/oder einer Längsdehnung eines Bedruckstoffes und Druckmaschine mit mehreren mindestens ein Druckbild auf einem Bedruckstoff erzeugenden Druckwerken
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CN103108753B (zh) * 2010-09-21 2016-03-16 鲍勃斯脱梅克斯股份有限公司 用于印刷机的颜色对准的方法和装置
US9399364B2 (en) * 2012-06-01 2016-07-26 Hewlett-Packard Development Company, L.P. Non-printed features on print media for printing with a desired resolution
US9091827B2 (en) 2012-07-09 2015-07-28 Luxtera, Inc. Method and system for grating couplers incorporating perturbed waveguides
US10782479B2 (en) 2013-07-08 2020-09-22 Luxtera Llc Method and system for mode converters for grating couplers
ES2982105T3 (es) * 2015-04-10 2024-10-14 Omet Srl Sistema de registro para unidades de impresión de una máquina de impresión rotativa con un registro de impresión de ajuste manual
JP6550194B2 (ja) * 2016-08-12 2019-07-24 太洋電機産業株式会社 見当誤差検出装置、見当誤差検出方法
US10657636B1 (en) 2017-03-24 2020-05-19 Digimarc Corporation Methods and systems to ensure correct printing plate usage for encoded signals
US10460161B1 (en) 2017-03-24 2019-10-29 Digimarc Corporation Methods and systems for ensuring correct printing plate usage and signal tolerances
CN116669920A (zh) * 2020-10-07 2023-08-29 鲍勃斯脱里昂公司 用于转换机的校准系统和校准方法

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0453974A3 (en) * 1990-04-26 1993-01-27 Bobst S.A. Controlling the print and cut quality in a machine for the production of packagings
DE4235393A1 (de) * 1992-10-21 1994-04-28 Heidelberger Druckmasch Ag Registerverstelleinrichtung an einer Bogendruckmaschine sowie Verfahren zur Registerverstellung
US5802973A (en) * 1992-10-21 1998-09-08 Heidelberger Druckmaschinen Aktiengesellschaft Device for register adjustment on a sheet-fed printing press
RU2127450C1 (ru) * 1993-02-17 1999-03-10 Де ла рю Жиори С.А. Устройство для проверки отпечатанного материала, печатающее устройство и способ проверки изображения на листе
DE4335351C2 (de) * 1993-10-16 2003-04-30 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zur Kompensation von Passerabweichungen in einer Offsetrotationsdruckmaschine
DE4335351A1 (de) * 1993-10-16 1995-04-20 Heidelberger Druckmasch Ag Einrichtung zur Kompensation von Passerabweichungen bei Druckprodukten
WO1997010955A1 (es) * 1995-09-20 1997-03-27 Fabrica Nacional De Moneda Y Timbre Procedimiento para detectar falta y/o desajuste de la impresión en documentos de valor y similares
EP1219420A1 (de) 2000-12-27 2002-07-03 Bobst S.A. Vorrichtung zur Abtastung von Registermarken in einer Mehrfarbendruckmaschine
US7170648B2 (en) 2000-12-27 2007-01-30 Bobst, S.A. Device for scanning register marks into a polychrome printing machine
DE102007049679A1 (de) * 2007-10-17 2009-04-23 Robert Bosch Gmbh Markierungssensor und Verfahren zum Auswerten von Markierungen
DE102007049679B4 (de) * 2007-10-17 2013-10-17 Robert Bosch Gmbh Markierungssensor und Verfahren zum Auswerten von Markierungen
CN109203629A (zh) * 2018-09-06 2019-01-15 武汉华茂自动化股份有限公司 一种用于双面淋膜复合机的图案套准方法及系统
CN109203629B (zh) * 2018-09-06 2020-10-02 武汉华茂自动化股份有限公司 一种用于双面淋膜复合机的图案套准方法及系统

Also Published As

Publication number Publication date
ATE102871T1 (de) 1994-04-15
EP0401691A3 (de) 1991-07-24
AU5689390A (en) 1990-12-13
CA2018449C (en) 1994-03-29
BR9002694A (pt) 1991-08-20
ES2050879T3 (es) 1994-06-01
AU634241B2 (en) 1993-02-18
DK0401691T3 (da) 1994-08-08
DE69007339T2 (de) 1994-06-23
CH679990A5 (de) 1992-05-29
CA2018449A1 (en) 1990-12-08
JPH03184052A (ja) 1991-08-12
DE69007339D1 (de) 1994-04-21
EP0401691B1 (de) 1994-03-16
US5138667A (en) 1992-08-11

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