EP0142470B1 - Procédé et dispositif d'analyse de la qualité d'impression d'un imprimé, de préférence imprimé sur une rotative offset et rotative offset équipée d'un tel dispositif - Google Patents
Procédé et dispositif d'analyse de la qualité d'impression d'un imprimé, de préférence imprimé sur une rotative offset et rotative offset équipée d'un tel dispositif Download PDFInfo
- Publication number
- EP0142470B1 EP0142470B1 EP84810523A EP84810523A EP0142470B1 EP 0142470 B1 EP0142470 B1 EP 0142470B1 EP 84810523 A EP84810523 A EP 84810523A EP 84810523 A EP84810523 A EP 84810523A EP 0142470 B1 EP0142470 B1 EP 0142470B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- color
- reflectance
- process according
- printed product
- 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
Links
- 238000007639 printing Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims description 25
- 238000007645 offset printing Methods 0.000 title claims description 10
- 230000006870 function Effects 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 5
- 238000012935 Averaging Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000008447 perception Effects 0.000 claims 9
- 239000003086 colorant Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 15
- 239000000976 ink Substances 0.000 description 16
- 239000007787 solid Substances 0.000 description 6
- 238000001303 quality assessment method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 102000016550 Complement Factor H Human genes 0.000 description 1
- 108010053085 Complement Factor H Proteins 0.000 description 1
- 238000000326 densiometry Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- -1 dot gain Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- ZYHMJXZULPZUED-UHFFFAOYSA-N propargite Chemical compound C1=CC(C(C)(C)C)=CC=C1OC1C(OS(=O)OCC#C)CCCC1 ZYHMJXZULPZUED-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000012883 sequential measurement Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0027—Devices for scanning originals, printing formes or the like for determining or presetting the ink supply
-
- 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 and a device for assessing the print quality of a printed product, preferably produced on an offset printing machine, according to the preamble of claim 1 and 16, and to an offset printing machine equipped with a corresponding device, according to the preamble of claim 21.
- the assessment of the print quality and regulation of the color routing is usually carried out with the help of standardized color control strips. These printed control strips are evaluated densitometrically and the color values of the printing press are then adjusted accordingly.
- the dimension of the color control strips can be on the running machine with so-called machine densitometers or off-line by means of e.g. B. an automatic scanning densitometer, the control loop to the inking units in both cases open (quality assessment) or closed (machine control).
- a representative example of a computer controlled printing machine with a closed control loop is u. a. in U.S. Patent Nos. 4200932 and 3835777.
- the decision criteria include the number of picture elements which differ from the corresponding picture elements of the reference by more than a certain degree of tolerance, the differences in the sampled values summed up over selected image areas to the corresponding sampled values of the reference and the differences between the sampled values summed up via certain scan tracks corresponding values of the reference.
- GB-A-2115145 also does not disclose any method comparable to the invention, since the differences formed from the target / actual value comparison are subjected to a threshold value comparison immediately thereafter, whether the differences are still acceptable or not. These differences are not multiplied for conversion into other color spaces, not because there are only fluctuations in brightness.
- the overall system shown in Fig. 1 comprises a four-f arben offset printing machine 100, three fotoeleldhari scanning devices 120, 220, 320, three computers 150, 250 and 350 and four optical display devices 171, 172, 270 and 370.
- the offset printing press 100 is of conventional design, its ink guide elements 111-114 (ink fountain keys, etc.) are only indicated symbolically in the drawing.
- the scanner 120 is a so-called machine densitometer built into the printing press 100 with four scanning channels 121-124 for each printing ink. With this scanning device, printed products can be measured densitometrically on the running printing press. Examples of suitable machine densitometers are u. a. in U.S. Patent Nos. 2968988, 3376426, 3835777, 3890048 and 4003660. In the following, the scanning device 120 is briefly referred to as “machine densitometer 120”.
- the scanning device 220 is used for the photoelectric measurement of printing plates or raster films on which they are based.
- the scanner 220 may e.g. B. a commercial scanner ("scanner"), as used for lithofilms, or any other suitable scanning device, for example according to US Pat. Nos. 3958509 and 4131879 or EP-Publ. Nos. 69572, 96227 and 29561, which allows printing plates or halftone films to be photoelectrically scanned with the resolution specified below.
- the scanning device 220 is referred to in the following, regardless of its type and the object actually scanned, as a "plate scanner 220".
- the scanner 320 is used for photoelectric measurement of z. B. after visual assessment for qualitatively satisfactory printed products, so-called proof sheets or OK sheets.
- This scanning device scans the pressure sheets or OK sheets in exactly the same way as the machine densitometer 120 the printed products and is therefore constructed accordingly.
- OK sheets can be scanned directly and even advantageously directly from the machine densitometer 120 in the printing press 100.
- this scanning device referred to below as “OK sheet scanner 320”, is shown as a separate element.
- the four optical display devices 171, 172, 270 and 370 are preferably color television monitors, which allow a visual representation of the measured values recorded by the scanning devices or the data determined therefrom by the computers.
- four separate display devices are not absolutely necessary, these are only drawn for ease of understanding.
- the system could also have only a single computer instead of three, which would then have to operate all connected scanning devices, display devices, etc.
- the plate scanner 220 with its computer 250 and its display device 270 and the OK sheet scanner 320 with its computer 350 and its display device 370 can also form independent units, which then, for. B. would be connected via cable 251 or 351 to the computer 150. All of these possibilities are indicated in Fig. 1 by the dashed frames. They are completely irrelevant to the invention and the invention is in no way limited to them.
- the printed products D (sheets) and the printing plates D on which they are based are divided in the same way into a plurality of picture elements E (FIG. 2).
- each picture element E of the (here four) printing plates P is now measured photoelectrically and a remission target value R s is calculated for each picture element E from the measured values to be explained, which the relevant picture element E of the printed products for should have the respective printing color if printing is carried out under normal conditions, ie with correctly adjusted inking, etc.
- the printed products D are photoelectrically scanned on the running machine by means of the machine densitometer 120 (or also individual sheets off-line on a separate scanning device, for example the OK sheet scanner 320) and fine remissions for each printing ink and for each picture element Actual value R; certainly.
- control variables (manipulated values) ST for influencing the ink guiding elements 111-114 of the printing press 100 can also be calculated and the ink guiding of the printing press can thus be regulated.
- the display devices 270, 171, 172 and 370 can be used to display the sample values or the values calculated therefrom.
- Device 270 can, for example, cover the area or the brightness distribution of the individual printing plates P determined therefrom, device 370 the brightness distribution of the OK sheets, device 171 the remission target values R s and device 172 the differences between remission target values R s and remission actual values R; Show.
- the display devices can also be used to display all possible other data of interest.
- the method according to the invention is thus based on the knowledge that under offset conditions it is possible, under certain conditions, to predict the remission target value of a picture element of the printed product for the individual printing inks from the area coverage of the picture element in question in the respective printing plate (or the corresponding raster film).
- These prerequisites include, on the one hand, knowledge of the characteristic of the printing press and the influence of the solid color density on the change in reflectance depending on the areas cover, and on the other hand, that the picture elements are sufficiently small to come to meaningful results.
- the printing characteristic which takes into account all influences such as paper quality, printing ink, dot gain, ink acceptance, overprinting, wet-on-wet printing, etc., can be determined empirically relatively easily.
- Tables are created for the remission target value of the printed product as a function of the area coverage of the printing plates.
- the table values are obtained by measuring standardized color tables, which are printed under representative conditions on the respective printing press. For the measurement of these color charts, that scanner is preferably used with which the printed products are later also measured during operation, in the present case the machine densitometer 120.
- the influence of the solid tone density on the remission change due to the dot gain can also be recorded using tables.
- the above-mentioned color charts are used under appropriate printing conditions, i.e. H. printed with varying solid density of all printing inks.
- the picture elements E In order to achieve the highest possible accuracy, the picture elements E must be chosen to be as small as possible. A natural lower limit is given by the grid fineness (e.g. 60 lines per cm). In practice, however, this lower limit cannot be reached for technical and, above all, economic reasons. This applies above all to the measurement of the printed products D on the running machine, since the amount of data that arises under the usual sheet formats in the short time available cannot be recorded and processed with economically justifiable effort. There would also be significant positioning difficulties.
- Image elements E of approximately 25 to 400 mm 2 in area are acceptable for remission measurements on the running printing press. Practically, a picture element E z. B. be square with about 1 cm 2 area. With image elements E of this size, however, the predetermination of the remissions taking into account the overprinting based on the surface coverings of the printing plate becomes too imprecise.
- each individual element E of the printing plate P (or the raster films on which it is based) is therefore divided into a larger number, e.g. B. 100, sub-elements SE and determines the area coverage for each of these sub-elements.
- the determination of the area coverage for the image elements of the printing plates is therefore carried out with a higher resolution than the remission determination of the image elements of the printed products.
- the size of the sub-elements SE can be approximately 0.25 to 25 mm 2 , a practical example is approximately 1 mm 2 based on a picture element size of approximately 1 cm 2 .
- each individual sub-element SE is determined by means of the plate scanner 220 in a manner known per se, e.g. B. by remission measurement integrally over the area of the sub-element or by means of television scanning or scanning by means of discrete photo sensor fields or the like a remission subset RS S is calculated (intermediate table values can be found by interpolation). From the individual remission subsets RS S of each picture element E is then. B. arithmetic averaging of the remission target value R s of the relevant picture element E, which for comparison with the corresponding remission actual values R; the printed matter D is required.
- each sub-element SE is assigned a sub-full weight factor GS e that takes this influence into account.
- These weighting factors contain the required change in full tone (change in layer thickness) for each printing ink for a desired change in reflectance, taking into account the overprinting and the local area coverage.
- the weighting factors can be determined from tables for the full tone change as a function of the reflectance change. These tables can be determined from the table values for the reflectance as a function of the solid density (see influence of solid density).
- a sensory weight factor H e (or sub-sensory weight factor HS e ) to each individual image element E (or possibly also to each sub-element SE), which represents a sensory-metrical evaluation standard for deviations from the target value and actual value.
- This sensation ge weight factors can include B. according to CIELAB (Comite International de l'Eclairage) from the sensory metrics L * , a * , b * defined there.
- a quality measure Q is calculated and displayed in a suitable manner.
- This quality measure can be calculated, for example, in such a way that the deviations ⁇ e are weighted with the respectively assigned full tone and / or perceptual weighting factor G e or H e and added (integrated) over one or more selected surface areas of the printed product.
- the surface areas can be adapted to the respective printed product. It is also possible to achieve several quality measures in this way.
- the print zones Z (FIG. 2) specified by the printing press form a special role as surface areas.
- the control variables ST are preferably determined individually for each individual printing zone by the deviations ⁇ e of the actual remission values R ; weighted with the full tone weight factors G e . of the remission nominal values R s of the picture elements E are summed (integrated) over the entire respective printing zone Z.
- the control variables ST are preferably determined individually for each individual printing zone by the deviations ⁇ e of the actual remission values R ; weighted with the full tone weight factors G e . of the remission nominal values R s of the picture elements E are summed (integrated) over the entire respective printing zone Z.
- other evaluation and calculation methods are also possible here.
- the area coverage determined by the plate scanner 220 can be integrated via the individual pressure zones Z and z. B. as described in US-PS 3185088 for presetting the color guide members.
- the remission target values R are calculated in advance; of the individual image elements E on the basis of the area coverage of the corresponding image elements of the individual printing plates P or, if the measurements on these cannot be carried out for any reason, the corresponding raster films on the basis of which the printing plates were produced.
- a printed product that is found to be good a so-called OK sheet OKB
- OK sheet OKB can also be used as a basis for comparison. This would then no longer need to be scanned with the same resolution as the printing plate P, since only the remissions in the individual picture elements are of interest. These remissions can be determined either using the OK sheet scanner 320, or else using the plate scanner 220, if they are not already stored.
- the weight factors G e and / or H e assigned to the individual picture elements can be adopted from the earlier measurement of the printing plate P.
- the densitometric measurement of the printed products D on the running machine can take place in various ways, as long as it is ensured that the remission or remission change of each image element is recorded for each color. It is not absolutely necessary for each individual printed product D to be measured completely, but a sequential measurement of different image elements on successive printed products is also sufficient. Furthermore, e.g. B. each individual color can be measured according to the respective inking unit or the remissions in the individual printing inks can be determined together on the finished printed product. A double measurement before and after each individual inking unit is particularly expedient, since in this way the influence of the respective color can be recorded particularly precisely.
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Dot-Matrix Printers And Others (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Spectrometry And Color Measurement (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measuring Fluid Pressure (AREA)
- Handling Of Sheets (AREA)
- Character Spaces And Line Spaces In Printers (AREA)
- Screen Printers (AREA)
- Sewing Machines And Sewing (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Dry Development In Electrophotography (AREA)
Claims (21)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84810523T ATE31673T1 (de) | 1983-11-04 | 1984-10-29 | Verfahren und vorrichtung zur beurteilung der druckqualitaet eines vorzugsweise auf einer offset-druckmaschine hergestellten druckerzeugnisses und mit einer entsprechenden vorrichtung ausgestattete offset-druckmaschine. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH596583 | 1983-11-04 | ||
CH5965/83 | 1983-11-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0142470A1 EP0142470A1 (fr) | 1985-05-22 |
EP0142470B1 true EP0142470B1 (fr) | 1988-01-07 |
Family
ID=4302229
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84810523A Expired EP0142470B1 (fr) | 1983-11-04 | 1984-10-29 | Procédé et dispositif d'analyse de la qualité d'impression d'un imprimé, de préférence imprimé sur une rotative offset et rotative offset équipée d'un tel dispositif |
EP84810522A Expired EP0142469B1 (fr) | 1983-11-04 | 1984-10-29 | Procédé et dispositif de réglage d'encre dans une rotative offset et rotative offset équipée d'un tel dispositif |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84810522A Expired EP0142469B1 (fr) | 1983-11-04 | 1984-10-29 | Procédé et dispositif de réglage d'encre dans une rotative offset et rotative offset équipée d'un tel dispositif |
Country Status (11)
Country | Link |
---|---|
US (2) | US4660159A (fr) |
EP (2) | EP0142470B1 (fr) |
JP (3) | JPS60110451A (fr) |
AT (2) | ATE31673T1 (fr) |
AU (2) | AU578431B2 (fr) |
CA (2) | CA1217274A (fr) |
DE (2) | DE3465930D1 (fr) |
DK (2) | DK159959C (fr) |
ES (2) | ES8600625A1 (fr) |
NO (2) | NO163601C (fr) |
ZA (3) | ZA848572B (fr) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
GB2222880A (en) * | 1988-08-11 | 1990-03-21 | Polygraph Leipzig | Method of determining areal coverage of primary colours in measuring segments of multi-coloured print originals in an offset printing |
GB2229019A (en) * | 1989-02-10 | 1990-09-12 | Heidelberger Druckmasch Ag | Controlling printing ink values |
EP0527285A2 (fr) * | 1991-08-12 | 1993-02-17 | KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT | Procédé pour juger la qualité de feuilles imprimées |
EP0763426A2 (fr) * | 1995-09-13 | 1997-03-19 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour contrÔler l'encrage dans une machine d'impression |
DE19632969A1 (de) * | 1996-08-16 | 1998-02-19 | Roland Man Druckmasch | Verfahren zur Ermittlung von Vorgabewerten für die Steuerung einer Druckmaschine |
DE19701967A1 (de) * | 1997-01-22 | 1998-07-23 | Andreas Paul | Verfahren zur Bestimmung der farblichen Erscheinung sowie entsprechende Vorrichtung |
US5791251A (en) * | 1995-04-27 | 1998-08-11 | Heidelberger Druckmaschinen Ag | Method of regulating ink-feeding or inking in printing |
US5812705A (en) * | 1995-02-28 | 1998-09-22 | Goss Graphic Systems, Inc. | Device for automatically aligning a production copy image with a reference copy image in a printing press control system |
US5816151A (en) * | 1995-09-29 | 1998-10-06 | Goss Graphic Systems, Inc. | Device for alignment of images in a control system for a printing press |
US5903712A (en) * | 1995-10-05 | 1999-05-11 | Goss Graphic Systems, Inc. | Ink separation device for printing press ink feed control |
EP0920994A2 (fr) * | 1997-11-06 | 1999-06-09 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour la détermination de valeurs de couleur |
EP2439071A1 (fr) | 2010-10-11 | 2012-04-11 | KBA-NotaSys SA | Motif de contrôle des couleurs pour la mesure optique de couleurs imprimées sur un substrat de type feuille ou toile à l'aide d'une presse d'impression multicolore et utilisations correspondantes |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0142470B1 (fr) * | 1983-11-04 | 1988-01-07 | GRETAG Aktiengesellschaft | Procédé et dispositif d'analyse de la qualité d'impression d'un imprimé, de préférence imprimé sur une rotative offset et rotative offset équipée d'un tel dispositif |
ATE58336T1 (de) * | 1983-12-19 | 1990-11-15 | Gretag Ag | Verfahren, vorrichtung und farbmessstreifen fuer die druckqualitaetsbeurteilung. |
JPS60250957A (ja) * | 1984-05-29 | 1985-12-11 | Toppan Printing Co Ltd | 印刷物検査用基準情報設定装置 |
JPS60250958A (ja) * | 1984-05-29 | 1985-12-11 | Toppan Printing Co Ltd | 印刷物検査用基準情報設定装置 |
DD253679A1 (de) * | 1986-11-13 | 1988-01-27 | Polygraph Leipzig | Verfahren zum regeln der farbdichte |
US5182721A (en) * | 1985-12-10 | 1993-01-26 | Heidelberger Druckmaschinen Aktiengesellschaft | Process and apparatus for controlling the inking process in a printing machine |
DE3666554D1 (en) * | 1985-12-10 | 1989-11-30 | Heidelberger Druckmasch Ag | Process for controlling the application of colours in a printing machine, printing device equipped therewith and measuring device for such a printing device |
US4860226A (en) * | 1986-09-09 | 1989-08-22 | Martin Edward L | Method and apparatus for bar code graphics quality control |
DE3631204C2 (de) * | 1986-09-13 | 1993-11-25 | Roland Man Druckmasch | Vorrichtung an Druckmaschinen zur densitometrischen Erfassung eines Meßfeldstreifens |
US4947348A (en) * | 1987-03-25 | 1990-08-07 | Kollmorgen Corporation | Densitometer method and system for identifying and analyzing printed targets |
FR2623905B1 (fr) * | 1987-11-30 | 1992-02-14 | David Michel | Appareil pour determiner la formulation de peinture pour reparation de carrosserie |
US4967379A (en) * | 1987-12-16 | 1990-10-30 | Gretag Aktiengesellschaft | Process for the ink control or regulation of a printing machine by comparing desired color to obtainable color data |
US4975862A (en) * | 1988-01-14 | 1990-12-04 | Gretag Aktiengesellschaft | Process and apparatus for the ink control of a printing machine |
DE3804941A1 (de) * | 1988-02-17 | 1989-08-31 | Hell Rudolf Dr Ing Gmbh | Verfahren und einrichtung zur erfassung von druckflaechendeckungsdaten |
DE3812099C2 (de) * | 1988-04-12 | 1995-01-26 | Heidelberger Druckmasch Ag | Verfahren zur Farbsteuerung einer Offsetdruckmaschine |
JPH01310485A (ja) * | 1988-06-08 | 1989-12-14 | Dainippon Printing Co Ltd | 欠陥情報検出装置 |
US4959790A (en) * | 1988-06-28 | 1990-09-25 | F & S Corporation Of Columbus, Georgia | Apparatus and method for producing color corrected reproduction of colored original images |
DD274786A1 (de) * | 1988-08-11 | 1990-01-03 | Adw Ddr Kybernetik Inf | Verfahren und anordnung zur ueberwachung der druckqualitaet mehrfarbiger rasterdruckvorlagen einer offset-druckmaschine |
DE3924989A1 (de) * | 1989-07-28 | 1991-02-07 | Roland Man Druckmasch | Vorrichtung zur durchfuehrung einer umfassenden qualitaetskontrolle an druckbogen |
US5875288A (en) * | 1990-02-05 | 1999-02-23 | Scitex Corporation Ltd. | Apparatus and techniques for computerized printing |
DE4004056A1 (de) * | 1990-02-10 | 1991-08-14 | Roland Man Druckmasch | Verfahren und vorrichtung zur farbsteuerung und zonenweisen voreinstellung |
JPH04226762A (ja) * | 1990-12-28 | 1992-08-17 | Sannichi Insatsu:Kk | 印刷管理方法 |
ES2152223T5 (es) † | 1991-01-15 | 2005-05-01 | Creo Il.Ltd. | Aparato y tecnicas para impresion informatizada. |
FI103395B (fi) * | 1991-03-21 | 1999-06-30 | Wifag Maschf | Menetelmä rasteripistekoon säätämiseksi offsetrotaatiopainokonetta var ten |
DE4122794A1 (de) * | 1991-07-10 | 1993-01-14 | Roland Man Druckmasch | Verfahren zur ueberwachung und regelung des druckprozesses,insbesondere an offsetdruckmaschinen |
US5317425A (en) * | 1992-02-10 | 1994-05-31 | Eastman Kodak Company | Technique for use in conjunction with an imaging system for providing an appearance match between two images and for calibrating the system thereto |
US5224421A (en) * | 1992-04-28 | 1993-07-06 | Heidelberg Harris, Inc. | Method for color adjustment and control in a printing press |
DE4229267A1 (de) * | 1992-09-02 | 1994-03-03 | Roland Man Druckmasch | Verfahren zur Steuerung des Druckprozesses auf einer autotypisch arbeitenden Druckmaschine, insbesondere Bogenoffsetdruckmaschine |
US5357448A (en) * | 1993-02-02 | 1994-10-18 | Quad/Tech, Inc. | Method and apparatus for controlling the printing of an image having a plurality of printed colors |
FI95888C (fi) * | 1993-04-26 | 1996-04-10 | Valtion Teknillinen | Menetelmä painatuksen laadun valvomiseksi |
JPH0724444A (ja) * | 1993-05-28 | 1995-01-27 | Kubo Gijutsu Jimusho:Kk | シャワーに取付用の電気石担持物入りアダプターとカートリッジ |
DE4321177A1 (de) * | 1993-06-25 | 1995-01-05 | Heidelberger Druckmasch Ag | Vorrichtung zur parallelen Bildinspektion und Farbregelung an einem Druckprodukt |
CA2107431A1 (fr) * | 1993-09-30 | 1995-03-31 | Arthur L. Rosbottom | Appareil servant a l'evaluation de donnees sur la couleur, et methode connexe |
DE4335351C2 (de) * | 1993-10-16 | 2003-04-30 | Heidelberger Druckmasch Ag | Verfahren und Vorrichtung zur Kompensation von Passerabweichungen in einer Offsetrotationsdruckmaschine |
DE4335350A1 (de) * | 1993-10-16 | 1995-04-20 | Heidelberger Druckmasch Ag | Verfahren und Vorrichtung zur Ermittlung von Passerabweichungen bei mehrfarbigen, in einer Druckmaschine erstellten Druckprodukten |
DE4431270C2 (de) * | 1993-10-21 | 1997-01-16 | Roland Man Druckmasch | Verfahren zur Steuerung der Farbführung einer autotypisch arbeitenden Druckmaschine |
US5816164A (en) * | 1994-04-20 | 1998-10-06 | Heidelberger Druckmaschinen Ag | Method and apparatus for monitoring image formation on a printing form |
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1984
- 1984-10-29 EP EP84810523A patent/EP0142470B1/fr not_active Expired
- 1984-10-29 AT AT84810523T patent/ATE31673T1/de not_active IP Right Cessation
- 1984-10-29 AT AT84810522T patent/ATE29434T1/de not_active IP Right Cessation
- 1984-10-29 US US06/665,975 patent/US4660159A/en not_active Expired - Lifetime
- 1984-10-29 US US06/665,976 patent/US4665496A/en not_active Expired - Fee Related
- 1984-10-29 DE DE8484810522T patent/DE3465930D1/de not_active Expired
- 1984-10-29 DE DE8484810523T patent/DE3468367D1/de not_active Expired
- 1984-10-29 EP EP84810522A patent/EP0142469B1/fr not_active Expired
- 1984-11-02 CA CA000466921A patent/CA1217274A/fr not_active Expired
- 1984-11-02 ZA ZA848572A patent/ZA848572B/xx unknown
- 1984-11-02 DK DK522284A patent/DK159959C/da not_active IP Right Cessation
- 1984-11-02 ZA ZA848574A patent/ZA848574B/xx unknown
- 1984-11-02 NO NO84844368A patent/NO163601C/no unknown
- 1984-11-02 ES ES537316A patent/ES8600625A1/es not_active Expired
- 1984-11-02 AU AU34966/84A patent/AU578431B2/en not_active Ceased
- 1984-11-02 CA CA000466914A patent/CA1217273A/fr not_active Expired
- 1984-11-02 NO NO844369A patent/NO163602C/no unknown
- 1984-11-02 AU AU34967/84A patent/AU577068B2/en not_active Ceased
- 1984-11-02 DK DK522184A patent/DK159958C/da not_active IP Right Cessation
- 1984-11-02 ES ES537314A patent/ES8507044A1/es not_active Expired
- 1984-11-02 ZA ZA848573A patent/ZA848573B/xx unknown
- 1984-11-05 JP JP59231471A patent/JPS60110451A/ja active Granted
- 1984-11-05 JP JP59231473A patent/JPS60176765A/ja active Granted
- 1984-11-05 JP JP59231472A patent/JPS60114728A/ja active Granted
Cited By (27)
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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 |
GB2222880B (en) * | 1988-08-11 | 1993-04-07 | Polygraph Leipzig | Method of determining areal coverage of primary colours in measuring segments of multi-coloured print originals in an offset printing machine |
GB2222880A (en) * | 1988-08-11 | 1990-03-21 | Polygraph Leipzig | Method of determining areal coverage of primary colours in measuring segments of multi-coloured print originals in an offset printing |
GB2229019A (en) * | 1989-02-10 | 1990-09-12 | Heidelberger Druckmasch Ag | Controlling printing ink values |
US5089977A (en) * | 1989-02-10 | 1992-02-18 | Heidelberger Druckmaschinen Ag | Process for controlling the inking of printed products and apparatus for performing the process |
GB2229019B (en) * | 1989-02-10 | 1993-04-07 | Heidelberger Druckmasch Ag | Process for the control of the inking of printed products |
EP0527285A2 (fr) * | 1991-08-12 | 1993-02-17 | KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT | Procédé pour juger la qualité de feuilles imprimées |
EP0527285A3 (en) * | 1991-08-12 | 1993-12-08 | Koenig & Bauer Ag | Method for evaluating the quality of printed sheets |
US5317390A (en) * | 1991-08-12 | 1994-05-31 | Koenig & Bauer, Aktiengesellschaft | Method for judging printing sheets |
AU664167B2 (en) * | 1991-08-12 | 1995-11-09 | Koenig & Bauer Aktiengesellschaft | Procedure for judging printed sheets |
US5812705A (en) * | 1995-02-28 | 1998-09-22 | Goss Graphic Systems, Inc. | Device for automatically aligning a production copy image with a reference copy image in a printing press control system |
US5791251A (en) * | 1995-04-27 | 1998-08-11 | Heidelberger Druckmaschinen Ag | Method of regulating ink-feeding or inking in printing |
EP0763426A2 (fr) * | 1995-09-13 | 1997-03-19 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour contrÔler l'encrage dans une machine d'impression |
US5802978A (en) * | 1995-09-13 | 1998-09-08 | Heidelberger Druckmaschinen Ag | Method for regulating inking when printing with a printing press |
US5816151A (en) * | 1995-09-29 | 1998-10-06 | Goss Graphic Systems, Inc. | Device for alignment of images in a control system for a printing press |
US5903712A (en) * | 1995-10-05 | 1999-05-11 | Goss Graphic Systems, Inc. | Ink separation device for printing press ink feed control |
EP0825023A2 (fr) * | 1996-08-16 | 1998-02-25 | MAN Roland Druckmaschinen AG | Procédé pour déterminer des données de reglage pour la commande d'une machine à imprimer |
DE19632969C2 (de) * | 1996-08-16 | 1999-04-29 | Roland Man Druckmasch | Verfahren zur Ermittlung von Vorgabewerten für die Herstellung von mehrfarbigen Druckexemplaren auf einer Druckmaschine |
DE19632969A1 (de) * | 1996-08-16 | 1998-02-19 | Roland Man Druckmasch | Verfahren zur Ermittlung von Vorgabewerten für die Steuerung einer Druckmaschine |
US6611357B2 (en) | 1996-08-16 | 2003-08-26 | Man Roland Druckmaschinen Ag | Method of stipulating values for use in the control of a printing machine |
DE19701967A1 (de) * | 1997-01-22 | 1998-07-23 | Andreas Paul | Verfahren zur Bestimmung der farblichen Erscheinung sowie entsprechende Vorrichtung |
DE19701967C2 (de) * | 1997-01-22 | 1999-08-05 | Andreas Paul | Verfahren zur Bestimmung der farblichen Erscheinung sowie entsprechende Vorrichtung |
EP0920994A2 (fr) * | 1997-11-06 | 1999-06-09 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour la détermination de valeurs de couleur |
EP0920994A3 (fr) * | 1997-11-06 | 1999-11-10 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour la détermination de valeurs de couleur |
US6469804B1 (en) * | 1997-11-06 | 2002-10-22 | Heidelberger Druckmaschinen Ag | Method of obtaining colorimetric values |
EP2439071A1 (fr) | 2010-10-11 | 2012-04-11 | KBA-NotaSys SA | Motif de contrôle des couleurs pour la mesure optique de couleurs imprimées sur un substrat de type feuille ou toile à l'aide d'une presse d'impression multicolore et utilisations correspondantes |
WO2012049610A1 (fr) | 2010-10-11 | 2012-04-19 | Kba-Notasys Sa | Motif de contrôle de couleur pour la mesure optique de couleurs imprimées sur une feuille ou un substrat en bande à l'aide d'une presse d'impression multicolore et ses utilisations |
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