EP0505323B2 - Verfahren zur Einstellung der Rasterpunktgrössen für eine Offset-Rotationsdruckmaschine - Google Patents
Verfahren zur Einstellung der Rasterpunktgrössen für eine Offset-Rotationsdruckmaschine Download PDFInfo
- Publication number
- EP0505323B2 EP0505323B2 EP92810205A EP92810205A EP0505323B2 EP 0505323 B2 EP0505323 B2 EP 0505323B2 EP 92810205 A EP92810205 A EP 92810205A EP 92810205 A EP92810205 A EP 92810205A EP 0505323 B2 EP0505323 B2 EP 0505323B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- values
- color
- colour
- deviations
- 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
Links
- 238000000034 method Methods 0.000 title claims description 64
- 238000007645 offset printing Methods 0.000 title claims description 19
- 238000007639 printing Methods 0.000 claims description 76
- 238000004088 simulation Methods 0.000 claims description 41
- 238000000926 separation method Methods 0.000 claims description 35
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 230000009897 systematic effect Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 9
- 238000011088 calibration curve Methods 0.000 claims description 8
- 238000011217 control strategy Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 32
- 239000003086 colorant Substances 0.000 description 27
- 239000000976 ink Substances 0.000 description 19
- 238000012937 correction Methods 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- 238000003908 quality control method Methods 0.000 description 10
- 238000004040 coloring Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 230000015654 memory Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000006399 behavior Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003326 Quality management system Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000007774 anilox coating Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009365 direct transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 235000019615 sensations Nutrition 0.000 description 2
- 241000533901 Narcissus papyraceus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 235000019646 color tone Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000326 densiometry Methods 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000003703 image analysis method Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000011958 production data acquisition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000010206 sensitivity analysis Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
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
- B41F33/0036—Devices for scanning or checking the printed matter for quality control
Definitions
- the invention relates to a method for adjustment the dot sizes for an offset rotary press.
- these measuring and control elements are essentially independent of print templates Measuring and control elements used.
- these measuring and control elements become one Set for each inking zone and across the printing width too so-called control strips composed, the outside the printed image in the "white" border of the Printed sheet to be arranged.
- These control strips are either on-line, i.e. directly in the current Printing press, or off-line on the Substrate scanned, i.e., printing samples are checked outside the press, so then appropriate adjustments are made can.
- measuring and control elements have the disadvantage that there is no direct relation to those sensitive to tolerance Image areas of the print template created can be. As a result, there are more control elements per printed page to use than actually required would be, and there are no templates specific to these elements Setpoints. It also requires Handling of measuring and control elements is not insignificant effort for printing form production.
- EP-OS 0 136 542 is concerned with a method to determine the solid color density and the dot gain on two three-color halftone elements using densitometric measurements, calculation formulas and calibration curves. This process is very complex and in practice only with an extremely large one Realizing effort.
- a method is known from DE-OS 39 25 011 to monitor the print quality multi-colored Print templates of an offset printing machine, at with the help of a camera with color-selective sensor fields
- Color separation images of the image segment to be checked in the spectral ranges red, green and blue generated and this by means of image analysis methods in an image processing system are processed so that the color layer thickness via a gray value measurement the color grid points of the individual primary colors are determined can be.
- This procedure is based on the Desired mean color dot density in the measuring segment but does not take into account the Perception of the human eye allowable tolerances.
- DE-OS 28 29 341 deals with data acquisition for color control systems, using a hand-held densitometer is connected to a color control system.
- a display device coupled to the densitometer intended.
- the hand densitometer can be printed on a sheet in freely selectable image zones be measured, which are adapted to the subject; there the measuring points can be in the image area, there is no need for the color control strips mentioned above.
- DE-OS 33 19 941 shows a method to display a replica of a multicolor print Color image on a screen where data, which are determined for the production of a colored print, retrieved from a storage device and for everyone Printing inks are added selectively, namely to Generation of a density signal that after its processing a color picture tube for displaying the multicolor print controls color image controls.
- U.S. Patent 4,414,636 shows a color control simulator, a variation with the help of table memories made of different color signals can be.
- Japanese Patent Application 1-131568 published in Patents Abstract of Japan P-922 August 22, 1989, vol. 13 / no. 377, shows a pressure simulator, at the signals for the yellow, magenta and black Color processed and stored digitally.
- the Output signals of the memories are switched so that the read signals are each half in horizontal and vertical lines. Therefore can, for example, two images of two Save displayed at the same time and on the screen of the color monitor can be compared.
- the DE-OS describes this 35 43 444 a process in which on within the color zones printed measuring fields repeated halftone dot sizes, if necessary also solid color densities, be determined and when they fall out tolerance ranges assigned to them by actuation of actuators correcting in the printing process is intervened. Every print job with the help of a catalog of typical test pictures and Color charts classified in an image contrast class. Because of the classification in this class can then tolerance to be observed.
- the corresponding Target values relate to the image-independent standardized control elements for full and Grid densities.
- this method has the following Disadvantages: For each print template, a must first Test image can be searched and found; if yourself based on this test picture shows that the tolerance range for the intended printing process is tight, the estimate becomes difficult like the print template when "pushing" the printing process-related Tolerances responded when the limit values of the tolerance range can be reached; Moreover this method does not take into account the different Colored structures of the color separations; and finally it becomes very expensive when the artwork is in Regarding different image zone sensitivities must be classified.
- the invention has for its object a method for setting the grid point sizes for a To create offset rotary printing press where the disadvantages mentioned above do not occur.
- a procedure that systematic deviations in color rendering avoids is proposed.
- this task in a method for setting the screen dot sizes for an offset rotary printing press solved the features of claim 1.
- the printing form manufactured in accordance with these standards which then causes deviations in the current pressure result in the so-called "pressure characteristics".
- pressure characteristics consist of the differences between the Process pressure characteristic means according to the standard and the current printing characteristics per inking unit, i.e. statements about the actual pressure and the occurring systematic deviations from the Norm values, especially with the dot gain.
- the average target values of the screen dot sizes taking into account the expected Actual changes during production and the Print template-specific dependencies of the inking units be adapted to each other.
- the second aspect of the invention has in claim 2 found its precipitation.
- this color simulation calculator can the figure to be analyzed, for example a newspaper page on theirs Deviation sensitivities are checked, by the halftone dot sizes of the color separations varies within specified tolerances become.
- This image influencing is expedient in the same way as on the offset rotary printing press made, namely analog to the color zones and, alternatively, with appropriate input keyboards.
- both the target submission as well as the test image for the deviations on the screen are shown as a comparison between Images on paper and on the screen too little can be done exactly and also lighting technology cannot be carried out properly.
- the printer receives during production data acquisition and evaluation via a tolerance monitoring timely warning if the automated supported Settling the limits of their possibilities has reached.
- the conversion software of the main simulation computer exploited the subtractive process colors cyan, magenta and yellow alternately in the additive process colors violet blue, orange-red and can implement green; this allows the print template relatively very precisely in the sense of a visual target specification display on a high resolution screen; the necessary image information about the Color separations of the three subtractive process colors and black can from the corresponding film or printing plates with the help of a scanner or through the direct transmission of the image information can be obtained from a color separation calculator.
- Another problem can be pressure disorders, which is the area coverage of the raster image undesirably change.
- the related changes the screen dot sizes can in principle be two have different causes, namely irregularities in color flow behavior, which can vary up to one degree to the color guide actuators of the Let offset rotary press influence, and so-called "processing errors" that affect the printed image due to errors in the convergence between paper and Affect impression cylinders. This leads to deformations the grid point and thus also changes the dot size.
- the conventional control gauges via special Analysis elements, the so-called pushing and / or detect duplication of the halftone dots.
- the measures to reduce the deviations between target and actual values are based the priorities for action when specifying the target values be determined.
- the provided color separation computer 1 disassembles the originals in the color separations for the four process colors cyan, magenta, yellow and black, which then transferred to the printing forms for the four process colors should be. Then with this Information and the corresponding text in the page break designed the entire page to be printed.
- the Color separation calculator 1 becomes synonymous with color separation and page break system understood.
- the page to be printed with the four color separations is from the color separation computer 1 via a data line 11 fed to a color simulation computer 9, the further input signals from a color simulation tablet 21, via a data line 16 from a Densitometer or spectrophotometer 14, over a Data line 19 from an electronic planimeter 18, via a data line 17 from an online measurement Densitometer or spectrophotometer or / and electronic planimeter 15, via a Data line 22 from an AVOR (job preparation) computer 4, and via a data line 10 from receives a film or plate scanner 2.
- AVOR job preparation
- the color simulation computer 9 is via a data line 30 connected to the printing form production 31.
- the output signals of the color simulation calculator 9 via a data line 20 a control station 6 of the rotary printing press 8 and fed to a monitor 13 via a data line 12, which is usually located near the control center 6 located.
- the film or plate scanner 2 is one Data line 3 to the AVOR (work preparation) computer 4 connected to the control center 6 a data line supplies 5 further input signals.
- the control center 6 serving as rotation control controls those to be acted upon via a data line 7 Actuators (not shown) in the individual Printing units 8 of the offset rotary printing press on.
- Color volume For color dosing in offset printing now from the ink layer thickness and the area coverage all halftone dots and solid areas the corresponding within a coloring zone Color volume can be determined. Basically according to the principle of so-called normal coloring method. Then the contrast function for a certain color, a certain color formula (Color batch) and a particular paper maximized. This contrast function is defined as the percentage difference in density related to the corresponding full tone of full tone and screen tone with 3/4 film surface coverage. The contrast maximum is limited at given Materials and pressure ratios the coloring or the solid density upwards as far as at an additional color layer thickness Halftone dots, especially in three-quarter tone, for Tend to go and thus the share of paper white reduce.
- the solid density is basically defined, so that the Theoretically, the printing process can only be based on the acquisition / monitoring of area coverage and point size can be controlled. In practice, however the relationship between solid density and dot size not constant, so that the dot size during the printing process and solid tone density are monitored have to; however, the full-tone density has a relevance less important than the dot size.
- the first problem is known to be fluctuations the screen dot sizes and the ink layer thicknesses first as disturbances in the color balance, i.e. overprinting of the inks in the midtones, be perceived.
- systemic tolerances depending on the Analyze and monitor print template.
- Ink types available, namely gap inking units controlled by ink zone and ink zoneless Short inking units. These have ink types specific advantages and disadvantages, but for the present Considerations are not relevant and consequently need not be discussed further. However, it is essential that the quality management system presented here optimally used for both ink types can be.
- inking zone controlled controlled inking unit is the color dosage in the sense of normal coloring template specific to several Color screws in corresponding color zones and accordingly the color requirements of the artwork via the Print width set.
- offset printing then apply the appropriate dampening adjusted to the dampening system assigned to the inking unit become. For setting and regulating the coloring at the inking unit must therefore depend on the artwork Actuators both on the inking unit and on the dampening unit be operated.
- the ink is dosed in the sense of normal coloring using a doctored anilox roller basically independent of artwork.
- Color guide irregularities within the circulation cannot be influenced here in practice unless, to some extent, with Variable humidification.
- Explanation of the system functioning is based on the Differences in zone-oriented and zoneless inking units.
- the color separation calculator 1 Original originals in the reproduction department in the Color separations for the four process colors cyan, magenta, yellow and black decomposed. Each can different principles based on order and print template used for the color structure, e.g. "achromatic” or "under color reduction". After that with the so-called page break, the entire printing page designed with text and image. Recently this can be done completely computer-aided, so that the information relevant to the printing technology of the printing pages are available in digital form and about the data line 11 can be passed on. In this sense, the computer 1 is shown schematically here representative of the color separation calculator and electronic Typesetting system.
- the pages prepared for printing with the Four-color separations are then placed in the printing forms implemented (at 31).
- an offset printing plate can this is done for example with the help of raster films or after a more recent development direct laser exposure of a light-sensitive plate layer with the digitized stored raster image information.
- This raster image information are exactly in the reproduction department Screen fineness (lines / cm), screen angulation, screen dot shape and grid point size. In the The reproduction department must determine the grid point size also for an offset printing process pre-compensate for typical dot gain. You needed the relevant press room Tolerant specifications (e.g. optical Halftone dot magnification in the midtone 30 +/- 3%)
- the Color simulation computer 9 from the offset printing press the current actual values in the form of pressure characteristics. From these pressure characteristics one can derive systematic errors in the color simulation calculator 9 when checking the mean setpoints of the Screen dot sizes can be taken into account.
- the printing form is produced in the device 31 So with mean setpoints for the screen dot sizes, which are the deviations of the updated printing characteristics per inking unit of the offset rotary printing press consider.
- the color simulation computer 9 is equipped with conversion software equipped which the subtractive Process colors cyan-blue, magenta-red and yellow alternately in the additive process colors violet blue, can implement orange-red and green; thereby becomes the print template in the sense of a visual target specification on the high-resolution screen of the color simulation computer 9 reproduced.
- the image information required for this conversion from the color separations of the three subtractive ones Process colors and black can be created using the Scanners 2 from the corresponding films or Printing plates entered in the color simulation computer 9 become. Another possibility is the direct transmission of the corresponding image information from the color separation calculator 1.
- the second solution has the advantage of quality control of the disk copy by comparing the information on the Data lines 10 from the scanner 2 and 11 from the Color separation calculator 1 is possible. This can in particular the exact functioning of the plate exposure be checked.
- a use objective quality control and the printing press system-related Monitor tolerances exactly to be able to are at least one more Densitometer or spectrophotometer provided namely either as an off-line system 14 or as an on-line system 15; the corresponding signals will be the color simulation computer 9 via the data line 16 or 17 supplied as actual values for quality control.
- the printed paper on the rotary press scanning on-line devices 15 work much faster and automate the quality control loop full, but have the disadvantage that they are per web side to be monitored at least one measuring head each and need a uniaxial positioning device; for machines for multi-line production the on-line devices 15 are therefore very expensive.
- off-line devices 14 which in the simplest version from a measuring table and a manually operated measuring device (densitometer or spectrophotometer) exist; a direct one Measuring point location display using, for example, a Light point is very recommendable.
- a much more convenient solution for capturing of the actual value for the quality control consists in the assembly of the densimetric or spectrophotometric working measuring head on an automatic controlled cross slide.
- the required per picture Measuring point coordinates are directly from the software of the color simulation computer 9 specified.
- Another recording device should be placed used for the actual values of quality control are, namely an electronic planimeter 18; this The device can have the appropriate optics Halftone dots of the individual process colors in the finished Feel the pressure and describe its size and shape.
- the relevant information will be also the color simulation computer 9 for the target / actual comparison fed.
- a particularly noteworthy The possibility that arises with this device is Monitoring and, if necessary, correcting the so-called color register or color register. This is the positional accuracy of the one above the other printed color separations to each other and on the Sheet meant.
- An advantageous embodiment of the devices 14 and 18 also consists of a combination of the corresponding Measuring heads on only one cross slide unit.
- the Digital wedge consists of precisely defined control elements, especially for the dot size and Full tone density, and can be digital in one Computer system can be saved. At the film or This digital wedge is then also used for direct plate exposure transmitted to the printing form. It can be Elements can be part of the picture or outside the actual printed image on the white edge of the image be applied. In the procedure described here can this digital wedge in terms of composition, Design and arrangement of its Control elements in an optimal way to the print template on the one hand and on the color metering technology on the other adapted and from the color simulation computer 9 on the film or platesetter 31 are transmitted.
- a particular problem in quality management is the collective production of double cut machines.
- This Problem can be dealt with effectively, that both templates on the monitor of the Color simulation calculator 9 simultaneously on their tolerance sensitivity examined and accordingly optimal target values and control elements are defined become.
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Description
Claims (11)
- Verfahren zur Einstellung der Rasterpunktgrößen für eine Offset-Rotationsdruckmaschine mit den folgenden Merkmalen:a) die aktuellen Druckkennlinien der Offset-Rotationsdruckmaschine pro Farbwerk mit gegebenen Materialien werden vor der Herstellung der Druckform bei maximalem Druckkontrast erfaßt;b) vorgegebene, den Punktzuwachs vorkompensierende Standard-Soll-Werte für die Rasterpunktgrößen der Druckform werden mit den entsprechenden Werten der erfaßten, aktuellen Druckkennlinien verglichen; undc) bei der Herstellung der Druckform werden bei Abweichungen zwischen den Standard-Soll-Werten und den entsprechenden Werten der erfaßten, aktuellen Druckkennlinien anstelle der Standard-Mittel-Soll-Werte für die Rasterpunktgrößen der Druckform entsprechend diesen Abweichungen kompensierte Mittel-Soll-Werte verwendet, so daß systematische Abweichungen in der geforderten Farbwiedergabe vermieden werden.
- Verfahren zur Einstellung der Rasterpunktgrößen für eine Offset-Rotationsdruckmaschine mit den folgenden Merkmalen:a) die aktuellen Druckkennlinien der Offset-Rotationsdruckmaschine pro Farbwerk mit gegebenen Materialien werden bei maximalem Druckkontrast erfaßt und daraus Eichkurven ermittelt;b) Farbauszugs-Mittel-Soll-Werte für die Rasterpunktgrößen der einzelnen Farbauszüge einer Druckvorlage werden festgelegt undc) über die Eichkurven in Einstell-Soll-Werte für die Druckwerke der Offset-Rotationsdruckmaschine umgerechnet;d) die Offset-Rotationsdruckmaschine wird nach den Einstell-Soll-Werten geregelt;e) die sich bei der Produktion ergebenden effektiven Einstellwerte werden mit den Einstell-Soll-Werten verglichen undf) bei Abweichung der effektiven Einstellwerte von den Einstell-Soll-Werten wird die Eichkurve angepaßt, so daß systematische Abweichungen und zufällige Abweichungen im Druck vermieden werden.
- Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die aktuellen Druckkennlinien mehrfach erfaßt und aus den Ergebnissen entsprechende Mittelwerte gebildet werden.
- Verfahren nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, daß die Abweichungen der effektiven Einstellwerte der Farbwerke beim Auflagendruck von den Einstell-Soll-Werten miteinander verglichen, abgespeichert, periodisch ausgewertet und zur Anpassung der Eichkurve verwendet werden.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet,daß die Farbauszüge der Druckvorlage auf einem Bildschirm eines Farbsimulationsrechners (9) dargestellt werden,daß die Rasterpunktgrößen der Farbauszüge auf dem Bildschirm durch gezielte Größenänderung variiert unddaß aufgrund dieser Variationen die Farbauszugs-Mittel-Soll-Werte für die Rasterpunktgrößen der einzelnen Farbauszüge der Druckvorlage festgelegt werden.
- Verfahren nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß die Farbauszüge an einem Farbauszugs-Rechner (1) ermittelt und dem Farbsimulations-Rechner (9) übermittelt werden.
- Verfahren nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß Bildinformationen für die Darstellung der Farbauszüge mittels eines Film- oder Druckform-Scanners (2) ermittelt und dem Farbsimulations-Rechner (9) zugeführt werden.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß zur Bestimmung der aktuellen Druckkennlinie bei maximalem Druckkontrast gedruckte Bogen mittels Densitometer oder Spektrophotometer (14, 15) ausgemessen und die Meßwerte dem Farbsimulations-Rechner (9) zugeführt werden.
- Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß Form und Größe der Rasterpunkte am gedruckten Bogen mittels eines elektronischen Planimeters (18) abgetastet und dem Farbsimulations-Rechner (9) zugeführt werden.
- Verfahren nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, daß zur Regelung der Einstell-Soll-Werte die Farbschraubenstellung und/oder die Feuchtwerkseinstellung an der Offset-Rotationsdruckmaschine geregelt wird/werden.
- Verfahren nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, daß die Einstell-Soll-Werte automatisch mit nach ungenauer Logik arbeitenden Regelungsstrategien, wie Fuzzy-Logic, geregelt werden.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4109307 | 1991-03-21 | ||
DE4109307 | 1991-03-21 | ||
DE4209165A DE4209165A1 (de) | 1991-03-21 | 1992-03-20 | Verfahren zur einstellung der rasterpunktgroessen fuer eine offset-rotationsdruckmaschine |
DE4209165 | 1992-03-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0505323A1 EP0505323A1 (de) | 1992-09-23 |
EP0505323B1 EP0505323B1 (de) | 1997-08-13 |
EP0505323B2 true EP0505323B2 (de) | 2001-11-07 |
Family
ID=25902109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92810205A Expired - Lifetime EP0505323B2 (de) | 1991-03-21 | 1992-03-20 | Verfahren zur Einstellung der Rasterpunktgrössen für eine Offset-Rotationsdruckmaschine |
Country Status (4)
Country | Link |
---|---|
US (1) | US5602970A (de) |
EP (1) | EP0505323B2 (de) |
DE (2) | DE59208787D1 (de) |
FI (1) | FI103395B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4238557A1 (de) * | 1992-11-14 | 1994-05-19 | Koenig & Bauer Ag | Verfahren zur Einstellung der Feuchtmittelmenge bei einer Offset-Rotationsdruckmaschine |
DE4402828C2 (de) * | 1994-01-31 | 2001-07-12 | Wifag Maschf | Messfeldgruppe und Verfahren zur Qualitätsdatenerfassung unter Verwendung der Messfeldgruppe |
DE4402784C2 (de) * | 1994-01-31 | 2001-05-31 | Wifag Maschf | Messfeldgruppe und Verfahren zur Qualitätsdatenerfassung unter Verwendung der Messfeldgruppe |
DE4413735C2 (de) * | 1994-04-20 | 2003-09-25 | Heidelberger Druckmasch Ag | Verfahren zum Steuern oder Regeln des Druckprozesses einer autotypisch arbeitenden Druckmaschine beim Drucken unter Druckpressung auf einen Bedruckstoff |
DE19522053A1 (de) * | 1995-06-17 | 1996-12-19 | Roland Man Druckmasch | Informationsübertragungssystem |
DE19533810B4 (de) † | 1995-09-13 | 2006-04-20 | Heidelberger Druckmaschinen Ag | Verfahren zur Steuerung einer Bebilderung eines Druckformträgers für eine Druckmaschine |
DE19720954C2 (de) * | 1997-05-17 | 2001-02-01 | Roland Man Druckmasch | Verfahren zum Einrichten der Farbführung im Fortdruck in einer Rotationsdruckmaschine |
DE10042680A1 (de) * | 2000-08-31 | 2002-03-14 | Heidelberger Druckmasch Ag | Verfahren zur Korrektur lokaler, maschinenbedingter Färbungsfehler an Rotationsdruckmaschinen |
DE10218068B4 (de) * | 2001-05-23 | 2017-07-27 | Heidelberger Druckmaschinen Ag | Verfahren zum Erstellen von Farbkalibrierungskennlinien |
DE10213708A1 (de) * | 2002-03-27 | 2003-10-23 | Roland Man Druckmasch | Verfahren zur Herstellung einer Druckform auf einem zylindrischen Druckformträger in einer Rotationsdruckmaschine |
JP4555212B2 (ja) * | 2005-11-10 | 2010-09-29 | 株式会社沖データ | 透かし情報埋め込み装置,透かし情報埋め込み方法,およびコンピュータプログラム |
DE102007014474B4 (de) | 2007-03-22 | 2022-12-29 | Byk-Gardner Gmbh | Verfahren und Vorrichtung zur quantitativen Bestimmung von Oberflächeneigenschaften |
DE102013101923B4 (de) * | 2013-02-27 | 2018-02-08 | Océ Printing Systems GmbH & Co. KG | Verfahren und System zum Bearbeiten von farbigen Druckbildern für den Digitaldruck |
EP3127319A4 (de) | 2014-04-02 | 2017-11-15 | Airdye Intellectual Property LLC | Farbmanagement |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2728738B2 (de) * | 1977-06-25 | 1979-05-10 | Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach | Eulrichtung zur Kontrolle und Regelung der Farbgebung an Druckmaschinen |
FI54164C (fi) * | 1977-07-08 | 1978-10-10 | Nokia Oy Ab | Foerfarande och anordning foer loestagning av en tissuepappersbana fraon pick-up-vaevnaden och foer dess oeverfoering till en genomstroemningstork |
DE2853509C2 (de) * | 1978-12-12 | 1983-02-03 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Einrichtung zur Herstellung von Farbauszügen |
DE2947791C2 (de) * | 1979-11-28 | 1985-04-18 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Einrichtung zur Farbüberwachung von bogen- oder bahnförmigen, in Bewegung befindlichen Materialien, insbesondere der Druckmaterialien von Druckmaschinen |
JPS5694228A (en) * | 1979-12-28 | 1981-07-30 | Dainippon Screen Mfg Co Ltd | Color separation simulation device |
DE3112189A1 (de) * | 1981-03-27 | 1982-10-14 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Druckmaschine mit stellmotoren |
US4421026A (en) * | 1981-04-15 | 1983-12-20 | Cymaticolor Corporation | Process color offset printing duplicator |
JPS5846341A (ja) * | 1981-09-16 | 1983-03-17 | Dainippon Screen Mfg Co Ltd | 多色印刷物再現色表示時における再現色変換方法 |
DE3204501C1 (de) * | 1982-02-10 | 1983-10-27 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Vorrichtung zur Regelung der Farbzufuehrung in einer Rotationsdruckmaschine |
JPS58215653A (ja) * | 1982-06-08 | 1983-12-15 | Dainippon Screen Mfg Co Ltd | 多色印刷物再現色表示装置 |
DE3314333A1 (de) * | 1983-04-20 | 1984-10-25 | Albert-Frankenthal Ag, 6710 Frankenthal | Verfahren und vorrichtung zur regelung der farbzufuhr zu den farbwerken einer mehrfarbendruckmaschine |
US4680646A (en) * | 1983-09-05 | 1987-07-14 | Canon Kabushiki Kaisha | Image forming device for reproducing a half-tone image |
US4706206A (en) * | 1983-09-20 | 1987-11-10 | Kollmorgen Technologies Corporation | Color printing control using halftone control areas |
US4719506A (en) * | 1983-09-30 | 1988-01-12 | Buren Keith E Van | Method for predictably determining halftone dot sizes when altering color in a color separation process prior to scanning |
DE3338143C2 (de) * | 1983-10-20 | 1986-12-18 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Verfahren zur Erzeugung einer dem Druckbild entsprechenden Farbschichtstärke im Farbwerk einer Druckmaschine |
ATE31673T1 (de) * | 1983-11-04 | 1988-01-15 | Gretag Ag | Verfahren und vorrichtung zur beurteilung der druckqualitaet eines vorzugsweise auf einer offset-druckmaschine hergestellten druckerzeugnisses und mit einer entsprechenden vorrichtung ausgestattete offset-druckmaschine. |
US4649502A (en) * | 1983-11-04 | 1987-03-10 | Gretag Aktiengesellschaft | Process and apparatus for evaluating printing quality and for regulating the ink feed controls in an offset printing machine |
DE3438325A1 (de) * | 1984-10-19 | 1986-04-24 | Miller-Johannisberg Druckmaschinen Gmbh, 6200 Wiesbaden | Mehrfarben-bogendruckmaschine fuer schoendruck sowie schoen- und widerdruck mit mindestens einer zwischen jeweils zwei druckwerken liegenden bogen-wendeeinrichtung |
US4795281A (en) * | 1984-11-30 | 1989-01-03 | Tohoku Ricoh Co., Ltd. | Self-correcting printer-verifier |
DE3543444A1 (de) * | 1985-03-21 | 1986-10-30 | Felix Corippo Brunner | Verfahren und regelvorrichtung zur erzielung eines gleichfoermigen druckresultats an einer autotypisch arbeitenden mehrfarbendruckmaschine |
DE3687074D1 (de) * | 1985-03-21 | 1992-12-17 | Felix Brunner | Verfahren, regelvorrichtung und hilfsmittel zur erzielung eines gleichfoermigen druckresultats an einer autotypisch arbeitenden mehrfarbenoffsetdruckmaschine. |
JPS61225973A (ja) * | 1985-03-30 | 1986-10-07 | Konishiroku Photo Ind Co Ltd | 多色像形成装置 |
GB8516232D0 (en) * | 1985-06-27 | 1985-07-31 | Crosfield Electronics Ltd | Colour displays |
DD253679A1 (de) * | 1986-11-13 | 1988-01-27 | Polygraph Leipzig | Verfahren zum regeln der farbdichte |
DD256292A1 (de) * | 1986-12-29 | 1988-05-04 | Polygraph Leipzig | Verfahren zur erfassung und auswertung der druckqualitaet eines druckerzeugnisses mit teststreifen |
DD256291A1 (de) * | 1986-12-29 | 1988-05-04 | Polygraph Leipzig | Verfahren zur erfassung und auswertung der druckqualitaet eines druckerzeugnisses |
DD259599B1 (de) * | 1987-04-09 | 1993-08-05 | Elektromat Polygraph Gmbh | Verfahren zur selbstkontrolle von einrichtungen fuer die qualitaetsbeurteilung von druckerzeugnissen |
DE3730625A1 (de) * | 1987-09-11 | 1989-03-23 | Wifag Maschf | Positioniersystem der qualitaetsfuehrungsfunktionen in rotationsdruckmaschinen |
US5079132A (en) * | 1987-09-16 | 1992-01-07 | Fuji Photo Film Co., Ltd. | Method for forming a color positive having improved color reproduction |
DD274786A1 (de) * | 1988-08-11 | 1990-01-03 | Adw Ddr Kybernetik Inf | Verfahren und anordnung zur ueberwachung der druckqualitaet mehrfarbiger rasterdruckvorlagen einer offset-druckmaschine |
DD275229A1 (de) * | 1988-09-02 | 1990-01-17 | Polygraph Leipzig | Einrichtung zur kontrolle der bedruckstoffqualitaet |
DE3830121A1 (de) * | 1988-09-05 | 1990-03-15 | Felix Brunner | Verfahren und vorrichtung zur einstellung eines vorgegebenen, durch ein wertepaar volltondichte/rasterpunktaenderung definierten druckstandards bei einem autotypischen druckvorgang |
US5019472A (en) * | 1988-09-12 | 1991-05-28 | E. I. Du Pont De Nemours And Company | Method for duplicating press characteristic dot gain in electrostatic proofing systems |
US4985779A (en) * | 1989-09-19 | 1991-01-15 | Intergraph Corporation | Improved method and apparatus for generating halftone images |
DE4012608A1 (de) * | 1990-04-20 | 1991-10-24 | Roland Man Druckmasch | Verfahren und vorrichtung zur bestimmung von passerdifferenzen an druckbildstellen eines mehrfarbenoffsetdruckes |
-
1992
- 1992-03-20 EP EP92810205A patent/EP0505323B2/de not_active Expired - Lifetime
- 1992-03-20 DE DE59208787T patent/DE59208787D1/de not_active Expired - Fee Related
- 1992-03-20 DE DE4209165A patent/DE4209165A1/de not_active Withdrawn
- 1992-03-20 FI FI921202A patent/FI103395B/fi not_active IP Right Cessation
- 1992-03-23 US US07/855,436 patent/US5602970A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59208787D1 (de) | 1997-09-18 |
US5602970A (en) | 1997-02-11 |
EP0505323A1 (de) | 1992-09-23 |
FI103395B1 (fi) | 1999-06-30 |
EP0505323B1 (de) | 1997-08-13 |
FI921202A0 (fi) | 1992-03-20 |
FI921202A (fi) | 1992-09-22 |
DE4209165A1 (de) | 1992-09-24 |
FI103395B (fi) | 1999-06-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0196431B1 (de) | Verfahren, Regelvorrichtung und Hilfsmittel zur Erzielung eines gleichförmigen Druckresultats an einer autotypisch arbeitenden Mehrfarbenoffsetdruckmaschine | |
EP0142469B1 (de) | Verfahren und Vorrichtung zur Regelung der Farbführung bei einer Offset-Druckmaschine und mit einer entsprechenden Vorrichtung ausgestattete Offset-Druckmaschine | |
DE19822662C2 (de) | Verfahren zur Farbreproduktion auf einer Bilddaten orientierten Druckmaschine | |
EP0255586B1 (de) | Verfahren und Vorrichtung zur Beeinflussung der farblichen Erscheinung einer Farbfläche bei einem Druckvorgang | |
DE19844495B4 (de) | Verfahren zur Farbkalibrierung mittels Colormanagement für eine digital ansteuerbare Druckmaschine mit einer wiederbeschreibbaren Druckform | |
EP0505323B2 (de) | Verfahren zur Einstellung der Rasterpunktgrössen für eine Offset-Rotationsdruckmaschine | |
DE3830121A1 (de) | Verfahren und vorrichtung zur einstellung eines vorgegebenen, durch ein wertepaar volltondichte/rasterpunktaenderung definierten druckstandards bei einem autotypischen druckvorgang | |
EP0585740B1 (de) | Verfahren zur Steuerung des Druckprozesses auf einer autotypisch arbeitenden Druckmaschine, insbesondere Bogenoffsetdruckmaschine | |
DE10359322A1 (de) | Verfahren zur Korrektur von nicht angepassten Druckdaten anhand eines farbmetrisch vermessenen Referenz-Bogens | |
EP0825023B1 (de) | Verfahren zur Ermittlung von Vorgabewerten für die Steuerung einer Druckmaschine | |
DE3913382C2 (de) | Verfahren zur Steuerung der Farbführung einer Druckmaschine | |
EP0676285B2 (de) | Color-Management im Rollenoffset-Auflagendruck | |
DE19802920A1 (de) | Druckmaschine mit einer Einrichtung zur Farbregelung | |
DE3543444A1 (de) | Verfahren und regelvorrichtung zur erzielung eines gleichfoermigen druckresultats an einer autotypisch arbeitenden mehrfarbendruckmaschine | |
DE69326010T2 (de) | Druckereisteuerungssystem | |
DE60107417T2 (de) | Kalibrierung von druckmaschinen | |
EP0916491B1 (de) | Verfahren zur Ermittlung von Farbwertgradienten | |
EP0522301B1 (de) | Verfahren zur Überwachung und Regelung des Druckprozesses, insbesondere an Offsetdruckmaschinen | |
DE19602103B4 (de) | Verfahren zum Bestimmen von Meßorten für eine Abtastung eines mehrfarbigen Druckbildes zum Steuern oder Regeln einer Farbgebung einer Druckmaschine | |
DE102008045661A1 (de) | Farbregelung mit einheitlicher Regelgröße | |
DE3440706C2 (de) | ||
EP1839854A1 (de) | Verfahren und Vorrichtung zur optimalen Einstellung der Beistellung in einer mehrere Druckwerke aufweisende Rotations-Flexodruckmaschine | |
DE19639014A1 (de) | Messfeldgruppe und Verfahren zur Erfassung von Qualitätsdaten im Mehrfarben-Auflagendruck | |
DE19638967A1 (de) | Messfeldgruppe und Verfahren zur Erfassung von Qualitätsdaten im Mehrfarben-Auflagendruck | |
DE10147392B4 (de) | Verfahren zum zonenweisen Bedrucken einer Bedruckbahn |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): CH DE FR GB IT LI NL SE |
|
17P | Request for examination filed |
Effective date: 19930204 |
|
17Q | First examination report despatched |
Effective date: 19940908 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): CH DE FR GB IT LI NL SE |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19970818 |
|
REF | Corresponds to: |
Ref document number: 59208787 Country of ref document: DE Date of ref document: 19970918 |
|
ET | Fr: translation filed | ||
ITF | It: translation for a ep patent filed | ||
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
26 | Opposition filed |
Opponent name: KBA KOENIG & BAUER-ALBERT AG Effective date: 19980513 |
|
NLR1 | Nl: opposition has been filed with the epo |
Opponent name: KBA KOENIG & BAUER-ALBERT AG |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
R26 | Opposition filed (corrected) |
Opponent name: KOENIG & BAUER AG Effective date: 19980513 |
|
NLR1 | Nl: opposition has been filed with the epo |
Opponent name: KOENIG & BAUER AG |
|
PLAW | Interlocutory decision in opposition |
Free format text: ORIGINAL CODE: EPIDOS IDOP |
|
PLAW | Interlocutory decision in opposition |
Free format text: ORIGINAL CODE: EPIDOS IDOP |
|
PUAH | Patent maintained in amended form |
Free format text: ORIGINAL CODE: 0009272 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT MAINTAINED AS AMENDED |
|
27A | Patent maintained in amended form |
Effective date: 20011107 |
|
AK | Designated contracting states |
Kind code of ref document: B2 Designated state(s): CH DE FR GB IT LI NL SE |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: AEN Free format text: AUFRECHTERHALTUNG DES PATENTES IN GEAENDERTER FORM |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
NLR2 | Nl: decision of opposition | ||
GBTA | Gb: translation of amended ep patent filed (gb section 77(6)(b)/1977) | ||
ET3 | Fr: translation filed ** decision concerning opposition | ||
NLR3 | Nl: receipt of modified translations in the netherlands language after an opposition procedure | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20050307 Year of fee payment: 14 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20050317 Year of fee payment: 14 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20050318 Year of fee payment: 14 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20050323 Year of fee payment: 14 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20050429 Year of fee payment: 14 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20050621 Year of fee payment: 14 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060320 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060321 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060331 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060331 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20060331 Year of fee payment: 15 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20061001 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20061003 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
EUG | Se: european patent has lapsed | ||
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20060320 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 20061001 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20061130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070320 |