EP1857280B1 - Presse rotative dotée d'au moins un système d'encrage et un système de mesure en ligne des couleurs - Google Patents

Presse rotative dotée d'au moins un système d'encrage et un système de mesure en ligne des couleurs Download PDF

Info

Publication number
EP1857280B1
EP1857280B1 EP20070106803 EP07106803A EP1857280B1 EP 1857280 B1 EP1857280 B1 EP 1857280B1 EP 20070106803 EP20070106803 EP 20070106803 EP 07106803 A EP07106803 A EP 07106803A EP 1857280 B1 EP1857280 B1 EP 1857280B1
Authority
EP
European Patent Office
Prior art keywords
printing machine
offset printing
colour
color
measuring
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.)
Not-in-force
Application number
EP20070106803
Other languages
German (de)
English (en)
Other versions
EP1857280A2 (fr
EP1857280A3 (fr
Inventor
Andreas Birkenfeld
Stefan Budach
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38328208&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1857280(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1857280A2 publication Critical patent/EP1857280A2/fr
Publication of EP1857280A3 publication Critical patent/EP1857280A3/fr
Application granted granted Critical
Publication of EP1857280B1 publication Critical patent/EP1857280B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control
    • 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
    • B41F33/0045—Devices for scanning or checking the printed matter for quality control for automatically regulating the ink supply

Definitions

  • the invention relates to a rotary printing press with at least one inking unit and with an inline color measuring system according to the preamble of claim 1.
  • DE 40 04 056 A1 is a method for color control and zonal presetting of ink dosing elements in inking machines of rotary printing machines, in particular offset rotary printing machines, wherein printed images produced by the printing machine are scanned, for example densitometrically or colorimetrically, and the values obtained therefrom employing print carrier scanning logic with a self-learning system or with a so-called Expert system can be fed to a Farb locartrechner, so that during a pressure and during a printing phase, the default values can be further specified on an ongoing basis.
  • WO 2005/092613 A2 is a newspaper printing machine with a zonenweise color metering and an inline color measuring system removable, wherein the hue is detected spectrophotometrically, wherein the detection is carried out over the width of the printing material, wherein a plurality of sensors are provided, wherein the sensor can be configured as a photodiode and wherein the sensor recorded several shades.
  • An illumination device may have pulsed or continuously operated light-emitting diodes or laser diodes.
  • a control device which receives data from a detection device having the sensors, has a high process speed.
  • a method and a device for controlling the coloration in a printing press are known, wherein a color recognition device is provided with a plurality of fixedly attached to the press color sensors for area-wide optical detection of the entire width of the printed product, wherein a fast primary color measurement signal per color zone is detected along the printing direction over a predeterminable color image area of the printed product is integrated, wherein the total actual area coverage is calculated for at least one ink, wherein a comparison with a target area coverage is carried out and wherein a color correction signal for the ink zone and the ink is generated.
  • the color sensors may also be single diodes in a patterned photodiode.
  • a structured photodiode typically comprises on a monolithic chip three individual diodes which can be read out via separate electrical connections and have color-selective spectral sensitivities by means of structured optical filters.
  • the color sensor element may comprise one or more patterned photodiodes.
  • the EP 1 521 069 A2 relates to a photosensor for colorimetry based on three spectral components, for the detection of which a sensor chip has at least three sub-surfaces differently sensitive by an upstream interference filter structure, wherein the interference filter structure includes three different alternating layer systems of silicon dioxide and titanium dioxide for selectively transmitting incident light into the different subareas of the sensor chip, and provide the sub-areas measured values, wherein the photosensor has three covered with different matched to the spectral characteristic of the human eye interference filters faces, each arranged in a sector of a circle around a central point with intermediate passive webs, and each interference filter in a transmission characteristic over the wavelength of the spectral to Measuring light of the sensitivity of the human eye is adjusted so that the product from basic sensitivity of the photosensor and transmission of the interference filter is proportional to the normal spectral value curve of the human eye for the relevant coordinate of the color space, so that the transmitted spectral components in the sub-areas produce measured values which can be converted into spectral color values with
  • the DE 32 20 093 A1 relates to a device for color density measurement on running, web-shaped printing materials with a plurality of sensors, which detect all measuring fields of printed color control strips simultaneously, wherein the measuring sensors are mounted transversely to the direction of the printing material slidably and in dependence on the lateral migration and / or the shrinkage of the Printing material to be adjusted.
  • the EP 0 860 276 A1 is a device for performing quality management when printing with a web-fed rotary printing press with at least one adjustable over the width of the printing material measuring head known, the measuring head includes a spectrometer and an exposure source and means one of the web-fed rotary printing machine associated encoder can be activated depending on the product, with a control device, the measurement signals of each measuring head are continuously logged.
  • a method for evaluating the quality of a printed image produced in multicolor printing on a printing substrate in which images are reproduced using an image recording device to derive color values from the signals for each printed image element in which the color values are transformed into colorimetric values of a given color space be determined in which for the print image elements color distances between an actual color location and a desired target color location, and in which a measure of the quality in at least one print image area is derived from the color distances, in which the color is controllable with at least one adjusting device , wherein are calculated and stored from the color differences manipulated variables of the adjusting devices, the effect on an actuator would bring a far-reaching approximation of the actual color locations to the respective target color locations, said as a measure of the quality in en print image area, the color distance vectors and color distances of at least one predetermined reference image are determined with homogeneous area coverage, the necessary to compensate for the color distances in the reference image control variables correspond to the previously calculated and
  • a system for generating a signal representative of color registration offset between at least first and second colors of an image printed on a web, wherein a first printer unit prints the first color of the image and a second printer unit prints the second color of the image and wherein the system comprises: a) a memory arranged to store a first reference array of digital data representative of the first color of at least a portion of the image and a second reference array of digital data representative of the second color of the section; b) a Imaging apparatus in optical communication with the web for generating a first analog signal representative of the first color of the portion of the image and a second analog signal representative of the second color of the portion; c) an effectively associated with the imaging device converter circuit which converts the first analog signal into a first digital color signal and converts the second analog signal into a second digital color signal; and d) a processing circuit in exchange with the converter circuit and the memory, the processing circuit storing in the first memory a first array of color data at pressure generated by the first digital color signal
  • DE 103 14 071 B3 is a method for the qualitative assessment of a material having at least one recognition feature known, wherein at least the detection feature a color image is taken with an electronic image sensor, wherein the image sensor directly or indirectly at least one correlated with the color image first electrical signal is provided, from at least one reference image a second electrical signal is obtained and stored in a data memory, wherein the second electrical signal at least one desired value for the first electrical Signal forms, and wherein at least the color image of the recognition feature on a color deviation from the reference image and / or the recognition feature on a membership of a certain class of recognition features and / or on a certain geometric contour and / or on a relative arrangement to at least one further recognition feature each of the material is checked by comparing the first signal with the second signal for reaching the target value or a match therewith.
  • An evaluation of the printed product based on the color impression is made on the basis of a spectral color measurement, to which the copies of the printed product are to be subjected.
  • a color stimulus which can be measured as light reflected by the printing material, is detected with an optical detection device and by means of further Tools in a color wheel, z. B. the CIELAB color wheel, or preferably in a color space, for.
  • spectrophotometers Handhelds for spectral color measurement, so-called spectrophotometers, are known. However, they are not suitable for use within a printing press, and certainly not for a data acquisition in a running printing process in real time.
  • inline inspection systems are known which are equipped with a camera system, eg.
  • a camera-based in-line inspection system has the disadvantage that it generates huge amounts of image data, ie data volumes z. B. in the multi-digit GB area, which are evaluated in complex computerized image processing and evaluated, but inevitably requires a considerable amount of computing time.
  • a multi-color printing product producing web printing machine z.
  • z. B. in an offset printing process, ie in a conventional wet offset printing process with a dampening solution used in the printing process or in a dry offset printing process without the use of a dampening solution, and thereby produces copies of the printed product z. B. with a related to a transport of the moving material in the printing press production speed in the range of 15 m / s to 20 m / s.
  • Such a web-fed printing press can print cylinder, ie in particular cooperating form cylinder and transfer cylinder each with an axial length of z. B. up to 2,600 mm, wherein the scope of at least the respective forme cylinder z.
  • up to six printing forms can be arranged next to one another and in their respective circumferential direction, for example, at their respective form cylinders in their respective axial direction.
  • the respective printing plates are on the respective form cylinder z.
  • each of the printed image to be produced color separation ie for each in one of the colors cyan, magenta, yellow or black to be printed part of the respective produced by a superimposition of these inks print image, usually a separate printing unit, the printing unit the Printing material at least on one side, preferably printed on both sides.
  • a formed on the respective printing form subject is by means of one of the transfer cylinder on the formed in the web press as a web substrate, z. B. transferred to a paper web.
  • each copy, z. B. every newspaper page produced should be completely detectable.
  • a production speed in the range of 15 m / s to 20 m / s usual today in newspaper printing or commercial printing this means that a real-time evaluation of a complete page of each copy, e.g. B.
  • each section preferably has a plurality of printing towers, which in turn each in turn consist of several, z. B. consist of four stacked printing units.
  • several devices for assessing the quality of the copies of the printed product are required, at least for each printing tower at least one of these devices.
  • In an examination printed on both sides of the paper web printed images are then required in each case two of these devices for each printing tower. From the large number of devices required for printing equipment to judge the quality of the copies of the printed product, there arises the requirement that such a quality-assessing device must be provided inexpensively in order to be marketable.
  • the invention has for its object to provide a rotary printing machine with at least one inking unit and with an inline color measurement system, a color location at discrete significant points in printed images produced by the rotary printing machine is reliably possible even in real time, when the rotary press the substrate with a Speed transported in the range of 15 m / s to 20 m / s.
  • the advantages that can be achieved with the invention are, in particular, that a color location determination at discrete significant points in printed images produced by the rotary printing machine is reliably possible even in real time, if the Rotary printing machine transported the substrate at a speed in the range of 15 m / s to 20 m / s. Also, a mounted on the substrate color bar is not required, as it is measured directly in the print image.
  • the significant points can be selectively detected in a printed image for their respective assessment of the quality of their color impression, wherein with the colorimetrically obtained measurement result with respect to each measurement field, directly coordinates of a color location representable in a reference color space are provided.
  • complicated arithmetic operations are dispensed with in a data processing unit located downstream of the data acquisition. Even for a production speed in the range of 15 m / s to 20 m / s, a suitable color measurement and color location determination for the assessment of the quality of the color impression of printed products, this solution is able to provide their respective measurement results in real time, if necessary, also to use the measurement results in a color control system which regulates at least one inking unit of the web-fed rotary printing press. Moreover, a complete color measurement can be performed on all produced copies of the printed product without thereby generating excessively large amounts of data.
  • Fig. 1 shows schematically an arrangement of two measuring bars 01; 02 one in a rotary printing machine, z. B. a web-fed rotary printing press, arranged inline color measuring system, wherein each a measuring beam 01; 02 on one of the surfaces of a transported by the rotary printing press substrate 03, z. B. a flat substrate web 03, preferably a paper web 03, is directed.
  • the deflection roller 08 may be formed by a roller arranged in the superstructure of the web-fed rotary printing press.
  • the printing substrate 03 has within the web-fed rotary printing press a transport speed in the range z. B. from 15 m / s to 20 m / s, preferably between 17 m / s and 20 m / s.
  • the web-fed rotary printing press is z. B. as one working in a newspaper printing or in a commercial printing, each z. B. in a gravure printing process or in a planographic printing process, preferably in an offset printing process printing web-fed rotary printing machine.
  • a printing unit 04 of the web-fed rotary printing press is in the Fig. 1 greatly simplified only by two mutually employed printing cylinder 06; 07 indicated, wherein the printing substrate 03 between the two mutually employed printing cylinders 06; 07 is passed.
  • z. B. is at least each of a respective color separation of a printed image to be printed on the respective surface of the printing substrate 03 printing cylinder 06; 07 in each case with a for the printing process each providing a printing ink in operative connection.
  • the web-fed rotary printing press preferably has a plurality, for. B. four in the transport direction of the printing substrate 03 successively arranged printing units 04, wherein in each printing unit 04 one of the participating printed image color separations is printed, each of these superimposed to be printed color separations with one of the printed inks.
  • the printing inks cyan, magenta, yellow are common, and in addition even the printing ink black is used. With each of these inks, a part of the print image to be produced is printed in each case, ie each of the color separations provides its contribution to the color structure of the printed image.
  • the measuring bars 01; 02 of the arranged in the web-fed rotary printing press inline color measuring system are preferably after the last of each other in the transport direction of the printing substrate 03 successively arranged printing units 04, ie after the successful overprinting of all involved in the printed image color separations respectively inks arranged.
  • At least one of the one of the printing cylinder 06; 07 associated inking units has several in the axial direction of the printing cylinder 06; 07 juxtaposed color zones, z. B. between 30 and 60 ink zones, each with an actuating element individually and independently with respect to a provided in the respective ink zone amount of ink, in particular a layer thickness of the ink, preferably by a z. B. at a belonging to the web-fed rotary press control unit remote control can be adjusted.
  • the ink zones are usually in their respective axial direction of the printing cylinder 06; 07 directed width and immutable.
  • the ink provided in each of the ink zones After being transferred to the surface of the printing substrate 03 on the surface of the printing substrate 03, the ink provided in each of the ink zones generates a color strip extending in the transport direction of the printing substrate 03 having a width e corresponding to the width of the respective ink zone, the width e of the color stripes z. B. between 30 mm and 60 mm, preferably between 40 mm and 50 mm ( Fig. 2 ).
  • Fig. 2 shows a section of one of the transverse to the transport direction of the printing substrate 03 arranged measuring beam 01; 02 of the arranged in the web-fed rotary printing machine inline color measuring system ( Fig. 1 ), preferably each measuring beam 01; 02 extends over at least the entire width B of the printing substrate 03 ( Fig. 5 ).
  • the measuring bar 01; 02 are in a row z. B. a plurality of color sensors 11; 12 discrete, ie spaced from each other at a distance d.
  • the in the measuring beam 01; 02 arranged in a row color sensors 11; 12 are each formed as separate components and can each be arranged equidistantly.
  • the measuring bar 01; 02 are also preferably provided in a row a plurality of discrete light sources 13, wherein the light sources 13 z. B. each as a light emitting diode 13 or as a laser diode 13 and optionally a z. B. may have controlled by a temperature control device cooling.
  • the light sources 13 are preferably formed as a white light source 13 and in their respective spectral behavior z. B. approximated in each case by the CIE specified standard light D50 or D65.
  • the row of light sources 13 is connected to the row of color sensors 11; 12 z. B. arranged in parallel, wherein the two rows from one another in the transport direction of the printing substrate 03 extending distance f each emanating from their centers of z. B.
  • Each of the color sensors 11; 12 are z. B. associated with one or more light sources 13, so that each color sensor 11; 12 together with its associated at least one light source 13 each forms a preferably independently usable, at least functionally separate assembly.
  • Each of the printed on the surface of the printing substrate 03 color strip with the width e are preferably more of the arranged in the same row color sensors 11; 12 and preferably associated with a plurality of light sources 13 arranged in the same row.
  • a boundary line between adjacent color stripes is in the Fig. 2 each indicated by a dashed line.
  • each of the color sensors 11; 12 preferably has its own housing, which at least the photosensitive active surface of the respective Color sensor 11; 12 borders.
  • the color sensor 11; 12 and its associated at least one light source 13 existing assembly is preferably on the same support, for. As an electrical circuit board arranged.
  • An alternative embodiment may provide the individual sensor elements 11; Form 12 as individually readable pixels of a CMOS image sensor, wherein the individual pixels or groups of pixels are each assigned specific color filter.
  • CMOS image sensor in which only entire rows of pixels can be read out
  • the pixels arranged in rows or in a surface array can be individually read out.
  • the measuring bars 01; 02 are in their arrangement transversely to the transport direction of the printing substrate 03 preferably displaced and z. B. with respect to a changing position in their edge 37 of the printing substrate 03 trackable.
  • the lateral tracking of the respective measuring beam 01; 02 can take place with respect to the edge 37 of the printing substrate 03 also with respect to a printed image permanently assigned brand 37, which can be arranged on the surface of the printing material 03 inside or outside of the printed image for the lateral position of the print image a reference forming mark 37.
  • This mark 37 may be formed as a registration mark 37 printed on the surface of the printing substrate 03 together with the respective printed image.
  • the mark 37 can also be a distinctive element of the respective print image and be different for different print jobs, so that a print job-related definition has to be made, which is necessary for the lateral tracking of the respective measuring beam 01; 02 is to be registered as mark 37.
  • the brand 37 is in any case in a fixed relationship with the surface of the substrate 03, so based on a z. B. to the stationary printing cylinders 06; 07 and / or their printing plates relative change in location of the brand 37 a lateral positional offset of the printing substrate 03 is detectable.
  • the mark 37 is preferably detected with a position sensor 38, wherein the position sensor 38 z. B. may be formed as an image sensor 38.
  • the image sensor 38 may be a line CCD or a Have face CCD or be formed in CMOS technology.
  • the side edge sensor 38 z. B. is designed in the form of a fork light barrier.
  • the position sensor 38 is preferably in its respective lateral position, ie in its parallel to the respective measuring beam 01; 02 extending position adjustable and preferably along a traverse preferably independent of the respective measuring beam 01; 02 slidably arranged.
  • the lateral tracking of the respective measuring beam 01; 02 is controlled or regulated with the aid of an output signal of the respective position sensor 38 evaluating control unit 39, so that in the printing process of the measuring beam 01; 02 is always taken with respect to the printing substrate 03 optimal transverse position.
  • the lateral position is then considered optimal if, with the in the measuring beam 01; 02 arranged discrete color sensors 11; 12 specific significant locations in the printed image in a unique assignment of each of these locations to exactly one of the color sensors 11; 12 are fully comprehensible.
  • the lateral tracking of the measuring beam 01; 02 whose in the respective measuring beam 01; 02 fixedly arranged color sensors 11; 12 brought into coincidence with the extending in the transport direction of the printing substrate 03 color stripes in a clear assignment.
  • the transverse to the transport direction of the printing substrate 03 directed, lateral travel s of the measuring beam 01; 02 is for their respective tracking each z. B. only a few millimeters, z. B. up to 10 mm, which is usually sufficient to compensate for a possible shift in the printing process of the mark 37 or edge 37 of the printing substrate 03.
  • the tracking of the measuring bars 01; 02 is preferably carried out dynamically as a function of the respective positional offset of the mark 37 or edge 37 of the printing material web 03 detected by the respective position sensor 38.
  • the measuring beam 01; 02 is along its lateral travel s with a z. B. operated by the control unit 39 or remotely operated drive 36 z. B. adjusted by means of a pull rod or a push rod and brought into its optimal transverse position.
  • color sensors 11; 12 are each z. B. formed as a so-called analog tristimulus sensors, ie, the color sensors 11; 12 are each as a on its respective effective area in each case three discrete photosensitive areas having color sensor 11; 12 formed.
  • the three discrete photosensitive areas each have a different spectral sensitivity, each color sensor 11; 12 as its respective output signal each provides a value triplet, each value triplet a measured value x; y; z from each of the three discrete photosensitive areas, the measurements constituting the respective value triplets x; y; z are recorded simultaneously.
  • the spectral function curves are shown for a viewing angle of 2 ° in the form of a solid line and for an observation angle of 10 ° in the form of a dashed line.
  • the three measured values x; y; z of the value triplet form in each case coordinates of a color locus which can be represented in a reference color circle or in a reference color space, so that the color sensors 11; 12 are suitable for direct color location measurement, because they correspond to the z. B. in DIN 5033 or normalized according to CIE 1931 normal spectral value function.
  • the respective output signal of the color sensors 11; 12 therefore does not form an RGB signal, which would be subjected to further transformations if one wanted to determine a color location with the RGB signal.
  • the three discrete photosensitive areas may also be in association with pixels of a multi-pixel CMOS image sensor, these pixels each with corresponding color filters cooperate to be sensitive to a selected spectral range.
  • a part of the pixels ie the sensor elements 11; 12 of the respective CMOS image sensor, each associated with one of three discrete photosensitive areas.
  • Fig. 4 shows in a block diagram by way of example a plurality of juxtaposed color sensors 11; 12 with their respective associated light source 13, the light sources 13 send their light as a continuous light or in the form of light pulses each on the surface of the printing substrate 03, wherein the surface of the printing substrate 03 remitted a portion of this light, wherein a portion of the remitted light on the effective area of at least one of the color sensors 11; 12 and is detected there ( Fig. 1 ).
  • the light path is in the Fig. 1 and 4 each indicated by arrows.
  • the light sources 13 send their light at an angle z. B. of 45 ° each on the surface of the printing substrate 03, whereas a measuring axis of the color sensors 11; 12 z. B. is perpendicular to the surface of the printing substrate 03.
  • the respective value triplet with the measured values x; y; z becomes z. B. a measured value amplifier 14, which receives this output signal z. B. the respective color sensor 11; 12 amplified by a gain factor, wherein the gain factor for the respective output signal is preferably from each of the arranged in the same row of color sensors 11; 12 is parameterized differently and if necessary, at least several of these gain factors are also parameterized differently. Thereafter, the analog output signal of the respective color sensor 11; 12 to an A / D converter 16 which supplies the optionally previously amplified output signal of the respective Color sensor 11; 12 digitized and thus in a z. B. 12-bit digital value, this digital value preferably the whole of the value triplet with the measured values x; y; z contains resulting color location information.
  • a first control unit 17 embodied as a freely programmable logic circuit, the color sensors 11; 12 generated digital values and filtered according to predetermined and / or set criteria.
  • a clocking 19 of the A / D converter 16 can be controlled by this control unit 17.
  • this control unit 17 optionally via an amplifier 18 to each color sensor 11; 12 each associated with at least one light source 13 drive.
  • It may be another, second, preferably also z. B. designed as a FPGA control unit 21 may be provided which the detected, from the color sensors 11; 12 evaluates generated digital values and, if necessary, provides for a data transfer.
  • the data transfer can z. B. via a local communication network 22 z. B. done according to the Ethernet technology. However, the data transfer can also z. B. continue over the Internet.
  • the z. B. via the local communication network 22 data transfer can serve the purpose, evaluated by the color sensors 11; 12 archived digital values in a data memory 23 to archive.
  • the second control unit 21 may also include a data memory 27 for storing parameters, e.g.
  • the functions of the first control unit 17 and the second control unit 21 may also be structurally combined in a single, preferably electronic data processing unit, this data processing unit being connected to the color sensors 11; 12 data collection is downstream.
  • a z. B. with one of the printing cylinder 06; 07 in Functional connection standing encoder 24 is provided, which the transport speed of the transported by the web-fed rotary printing machine, on the at least one measuring beam 01; 02proof led tracing material 03 detects, with a generated by the encoder 24, with the transport speed of the printing substrate 03 corresponding signal z. B. via a synchronizer 26, the control units 17; 21 is supplied to the detection of the color sensors 11; 12 synchronized digital values with the movement of the printing substrate 03 to synchronize. This is then also a tap of the respective output signal of the respective measuring beam 01; 02 each arranged in the same row sensor elements 11; 12 synchronized with the transport speed of the printing substrate 03.
  • the encoder 24 generates z.
  • Fig. 5 1 shows a measuring surface 28 defined with respect to one of the surfaces of the printing material web 03, wherein this measuring surface 28 extends over the entire width B of the printing material web 03 oriented transversely to the transport direction of the printing substrate web 03 and wherein this measuring surface 28 in the transport direction of the printing substrate web 03 has a section length L, wherein the section length L z. B. with the circumferential direction of the respective printing cylinder 06; 07 directed length of a newspaper page corresponds and thus z. B. in the range of half the circumference of the respective printing cylinder 06; 07, ie in the range between 450 mm and 630 mm.
  • the width B of the printing substrate 03 can be up to the axial length of the printing cylinder 06; 07 amount and thus z.
  • each print image can correspond with a mounted on a forme cylinder printing form.
  • the encoder 24 passes z. B. from pulses output signal to a production counter 41, wherein in the production counter 41 an assignment of z. B. a certain number of pulses of the encoder 24 to a specific, directed in the transport direction of the printing substrate 03 section length of each Print copy is set, wherein in the production counter 41 after each reaching the correlated with the section length of the printed copy, certain number of pulses of the encoder 24, a count is incremented, the count z. B. to the data memory 23 ( Fig. 4 ), in which of the color sensors 11; 12 generated digital values is transmitted to there in a fixed relation with those of the color sensors 11; 12 generated digital values to be stored.
  • the production counter 41 can also send the counter reading determined by it with regard to a specific production to one of the control units 17; 21 and thus z. B. lead to the data memory 27, which in the Fig. 4 is indicated by a dashed line connection line.
  • the width B of the printing substrate 03 are adjacent to each other, z. B. between 30 and 60 color strips arranged with a width e, wherein the width e of the respective color strip corresponds in each case with a color zone of the ink supplying the respective inking.
  • the width B of the printing substrate 03 and thus also in the axial direction of the printing cylinder 06; 07 adjacent color strips preferably each have the same width e.
  • the measuring surface 28 is thus subdivided into a measuring grid, wherein the color strips each define columns of the measuring surface 28, which are subdivided along the transport direction of the printing material 03 extending section length L into a plurality of individual juxtaposed measuring fields 29.
  • each measuring field 29 is preferably rectangular, z. B. square formed; However, they can also be circular in each case.
  • Each column of the measuring surface 28 may also have a plurality of juxtaposed measuring fields 29 per line, so that each color strip is subdivided into a plurality of measuring fields 29 in its width e.
  • Each preferably each square-shaped Measuring field 29 has a size in the range z. B. from 1 x 1 mm 2 to 5 x 5 mm 2 , preferably between 2 x 2 mm 2 and 3 x 3 mm 2 .
  • the measuring fields 29 are thus considerably larger than an area of the respective raster points formed on the surface of the printing substrate web 03 by the inking, wherein the raster dots have a planar extent in the range of less than 0.2 mm.
  • Each of the measuring fields 29 defines a measuring position within the measuring surface 28.
  • Each measuring field 29 can form a section of the printed image printed on the printing substrate 03.
  • a transversely to the transport direction of the printing substrate 03 arranged measuring beam 01; 02 detects with its sensor elements 11; 12 in each case the hue of the applied to the surface of the printing substrate 03 ink, ie, the sensor elements 11; 12 deliver a measured value x; y; z, from which the data processing unit determines, with respect to a selected measuring position within the measuring surface 28, the associated color locus in a color wheel or in a color space, wherein for detecting the color tone of measuring fields 29 arranged in the same column of the measuring surface 28, specific sensor elements 11 arranged in each case are arranged ; 12 are provided.
  • along the width B of the printing material web 03 side by side as many measuring fields 29 are defined as in the respective measuring beam 01; 02 z. B.
  • color sensors 11; 12 are arranged side by side in the same row.
  • the measuring bar 01; 02 less parallel to each other arranged rows of sensor elements 11; 12, which are arranged transversely to the transport direction of the printing substrate 03 adjacent to each other in a row are provided as rows of measuring fields 29 in the measuring surface 28, the successively arranged in a column in the transport direction of the printing substrate 03 measuring fields 29 of the measuring surface 28 sequentially in recorded several synchronized with the transport speed of the printing substrate 03 measurements. All arranged in the same row of the measuring surface 28 measuring fields 29 are of the respective measuring beam 01; 02 arranged sensor elements 11; 12 simultaneously detectable.
  • the measured value processing and measured value evaluation following the measured value acquisition takes place isochronous to Data acquisition.
  • the respective measuring bars 01; 02 be laterally tracked in particular in an oblique or laterally offset inlet of the printing substrate 03 in the printing unit 04 to the fixed relation of each sensor element 11; 12 to maintain a particular measuring field 29 of the measuring surface 28, wherein for the tracking of the respective measuring beam 01; 02 required travel s continuously or stepwise in steps with a step size of z.
  • one tenth of the respective transversely directed to the transport direction of the printing substrate 03 measuring field width ie, for example, in steps with a step size in the range between 0.1 mm and 0.5 mm, is executed.
  • the sensor elements 11; 12 are traceable transversely to the transport direction of the printing substrate 03 with their respective respective perpendicular with their photosensitive area measuring axis, this tracking is dependent on a change in the printing material 03 firmly associated brand 37 with respect to their lateral position.
  • a mark 37 can be used, as exemplified by the 6 and 7 demonstrate.
  • the applied on the surface of the printing substrate 03 and detected by the position sensor 38 mark 37 is z.
  • the mark 37 is designed as a stepped element.
  • the output signal of one of the series of sensor elements 11; 12 arbitrarily arranged individual sensor element 11; 12 z. B. of the first control unit 17 selectively can be tapped. Also, several in the same row of the sensor elements 11; 12 arbitrarily arranged sensor elements 11; 12 are selected, the respective output signal z. B. is tapped by the first control unit 17 each simultaneously selectively.
  • individual, arbitrarily arranged discrete measuring fields 29, ie measuring positions, selectable whose respective hue of one of the in one of the measuring bars 01; 02 arranged sensor elements 11; 12 is detected.
  • selectively detected measuring fields 29 are in the Fig. 5 each indicated by a gray circle, wherein the position of each gray circle each with a preferably vertically arranged above the respective gray circle active surface of the sensor elements 11; 12 correlates, which in particular when using discrete color sensors 11; 12 is advantageous.
  • Each measurement carried out in one of the measuring fields 29 combines the color stimulus generated by the screen dots applied in this measuring field 29 into a single color tone, the color of which is determined in a standardized color wheel, for example a color code.
  • B. the CIELAB color space, displayable color location is given by coordinates, which in a direct context z.
  • the measured value x; y; z from the respective output signal of three pixels together, these pixels being a group of sensor elements 11; 12, in which group at least one pixel is assigned to each of the three discrete photosensitive areas.
  • significant locations are known for each printed image of the printed product to be produced which are particularly relevant for an assessment of the quality of the color impression.
  • One of these significant points can z. B. a solid surface, a Gray balance field or a technical grid in the respective print image to be printed.
  • significant digits may be those locations of the print image between which a maximum color space spacing exists.
  • the significant digits known as determining the quality for a specific print image can be effected by means of a special intelligent evaluation algorithm, ie in terms of programming, or by an assignment by an operator of the rotary printing press. This assignment by an operator may, for. Example by means of an input element to a monitor of a web-fed rotary printing press belonging control station.
  • Each significant location preferably corresponds to exactly one of the measurement fields 29 of the measurement area 28.
  • a filter is defined with regard to the measuring surface 28, which determines relevant measuring fields 29 in each of its rows and / or columns for a specific print image to be printed in the measuring surface 28.
  • This filter is from the prepress 31 z. B. transmitted via the communication network 22 to the inline color measuring system belonging to the first control unit 17 and / or second control unit 21, wherein based on this filter z. B. from the first control unit 17, the tap of the respective output signal z. B. that color sensor 11; 12 in the respective measuring beam 01; 02 is selected, which detects the hue from the corresponding with the significant point in the printed image measuring field 29.
  • the filter makes a selection of at least one of the color sensors 11; 12 with regard to at least one significant point of the printed image.
  • the line by line selection of color sensors 11; 12 arises with respect to the measuring surface 28 a tapping pattern, as it Fig. 5 exemplarily shows.
  • the respective output signal of a plurality of color sensors 11; 12 detectable by the data processing unit, wherein the data processing unit based on the set and preferably in her stored filter at least one of the color sensors 11; 12 selects and only the output of the selected color sensor 11; 12 or only the respective output signal of the selected color sensors 11; 12 recorded.
  • a line scan camera with a CCD chip provides a very large amount of data, which has to be filtered for relevant image data following its detection by complex arithmetic operations, which takes some time due to the large amount of data collected, until relevant to the assessment of the quality of the color impression Measurement result is available.
  • the color separations involved in the printed image to be produced ie for the parts to be printed in one of the printing inks cyan, magenta, yellow or black, of the respective printed image to be produced by overprinting these inks Fig. 5 with respect to the pre-press 31 represented by the letters C (cyan), M (magenta), Y (yellow) or K (black), subjected to image analysis 32, significant digits in the print image being evaluated and evaluated in an image analysis 32
  • Selection unit 33 are extracted, whereupon in a measuring screen generator 34, the filter for selecting those color sensors 11; 12 is generated, the respective output signal then z.
  • B. synchronized by the first control unit 17 at a certain production process with the transport speed of the printing substrate 03 are tapped.
  • this assessment of the quality of the color impression can also at a transport speed of the moving through the web-fed printing press substrate 03 in the area z. B. from 15 m / s to 20 m / s in real time.
  • the determined from data of the prepress 31 filter is determined separately for each print image to be printed and set separately in the inline color measurement system for each print image to be printed, bringing a print image individual selection of those color sensors 11; 12 results, the respective output signal z. B. be tapped by the first control unit 17 in a particular production process.
  • a copy of the quality of the color impression of each printed image which is carried out on the basis of individual significant points, is possible with exact copy accuracy.
  • the recorded for each printed image at its significant points measurement results can be used for the purpose of their archiving in the z. B. stored on the communication network 22 with the inline color measurement system data storage 23 and used as a copy accurate proof of the quality of the color impression of the printed images of the printed product produced.
  • the copy proof for the quality of the color impression of the printed images of the printed product produced is particularly possible if z. B. in conjunction with the encoder 24, a production counter 41 is provided so that measurement data can be assigned copy-accurate. Moreover, it can be provided that, in a further processing downstream of the printing process, separated printed copies which do not correspond to the required quality are ejected copy-accurate by a copy-related control of a waste paper sluice.
  • this is done on the selected color sensors 11; 12 each tapped output each with a z. B. provided by the prepress 31, corresponding setpoint is compared in a comparison unit, wherein at a deviation of the z. B. with the color sensors 11; 12 detected measurement result of the predetermined setpoint value, ie at an undesirable, a predetermined tolerance limit exceeding the color locus deviation .DELTA.E z. B.
  • these can also be from a z. B. read in by the inline color measurement system Gutschreib be already located in the production printing images derived, with z. B. a plurality of similar printed images of the inline color measurement system are preferably subjected to a full color measurement, with respect to these printed images from the measured values respectively corresponding measuring fields 29 an average value is formed, which is then set as a setpoint for comparison with subsequently acquired measured values.
  • a filter algorithm identifies the metrologically relevant points in the print image, ie the respective measurement positions, and preferably automatically generates the filter for selecting those sensor elements 11; 12, the respective output signal for an assessment of the quality of the color impression subsequently produced printed images are tapped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Spectrometry And Color Measurement (AREA)

Claims (40)

  1. Machine à imprimer rotative avec au moins un groupe encreur et avec un système de mesure d'encrage en ligne, le ou les groupes encreurs préparant une encre d'impression pour l'impression d'une image d'impression sur un support d'impression (03), le système de mesure d'encrage en ligne comportant au moins un dispositif composé de plusieurs éléments capteurs (11 ; 12), ledit dispositif comportant trois zones photosensibles discrètes, au moins un élément capteurs (11 ; 12) étant affecté à chacune des trois zones photosensibles discrètes, le dispositif à éléments capteurs (11 ; 12) saisissant une valeur de mesure (x ; y ; z) respective sur au moins une position de mesure discrète dans l'image d'impression imprimée sur le support d'impression (03) dans les trois zones photosensibles discrètes, une unité de traitement des données déterminant une localisation chromatique dans un cercle chromatique ou dans un espace chromatique à partir desdites valeurs de mesure (x ; y ; z) saisies sur les positions de mesure respectives, caractérisée en ce que plusieurs dispositifs à éléments capteurs (11 ; 12) sont prévus, lesdits dispositifs à éléments capteurs (11 ; 12) étant situés sur au moins une rangée s'étendant transversalement à une direction de transport du support d'impression (03), chaque dispositif à éléments capteurs (11 ; 12) étant réalisé comme un détecteur de couleurs (11 ; 12), les détecteurs de couleurs (11 ; 12) étant chacun fixement disposés dans une barre de mesure (01 ; 02) faisant partie du système de mesure d'encrage en ligne et disposée transversalement à la direction de transport du support d'impression (03), chacun des détecteurs de couleurs (11 ; 12) détectant la nuance chromatique d'un champ de mesure (29) sélectionné, le champ de mesure (29) étant un élément d'une surface de mesure (28) définie par rapport à la surface du support d'impression (03), des champs de mesure (29) disposés côte à côte le long d'une largeur (B) du support d'impression (03) transversale à la direction de transport dudit support d'impression (03) formant une ligne de la surface de mesure (28), chaque position de mesure des détecteurs de couleurs (11 ; 12) étant sélectionnée par l'unité de traitement des données au moyen d'un filtre techniquement réglé par un programme, l'unité de traitement des données saisissant les signaux de sortie respectifs de plusieurs desdits détecteurs de couleurs (11 ; 12), l'unité de traitement des données sélectionnant au moins un des détecteurs de couleurs (11 ; 12) sur la base du filtre réglé qu'elle contient et ne saisissant que le signal de sortie du détecteur de couleurs (11 ; 12) sélectionné, ou seulement les signaux de sortie respectifs des détecteurs de couleurs (11 ; 12) sélectionnés, le filtre déterminant des champs de mesure (29) respectivement pertinents pour une image d'impression définie à imprimer dans la surface de mesure (28) dans chacune des lignes de celle-ci, les détecteurs de couleurs (11 ; 12) dont les valeurs de mesure (x ; y ; z) sont pertinentes pour une évaluation de la qualité de l'impression en couleurs étant triés au moyen du filtre techniquement programmé pour chaque ligne de la surface de mesure (28).
  2. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que les trois zones photosensibles discrètes présentent des sensibilités spectrales différenciées entre elles.
  3. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le dispositif à éléments capteurs (11 ; 12) prépare une valeur triple en tant que signal de sortie, ladite valeur triple comprenant une valeur de mesure (x ; y ; z) de chacune des trois zones photosensibles discrètes.
  4. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le dispositif à éléments capteurs (11 ; 12) saisit simultanément les valeurs de mesure (x ; y ; z) comprises dans son signal de sortie.
  5. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que chacune des trois valeurs de mesure (x ; y ; z) est une valeur chromatique normalisée représentable dans un in cercle chromatique ou dans un espace chromatique.
  6. Machine à imprimer rotative selon la revendication 1, caractérisée en ce qu'un amplificateur de valeur de mesure (14) amplifie par un facteur d'amplification les valeurs de mesure (x ; y ; z) des éléments capteurs (11 ; 12) respectifs.
  7. Machine à imprimer rotative selon la revendication 6, caractérisée en ce que le facteur d'amplification est paramétrable de manière différenciée pour les valeurs de mesure (x ; y ; z) des éléments capteurs (11 ; 12) respectifs.
  8. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que les détecteurs de couleurs (11 ; 12) sont réalisés comme capteurs analogiques couvrant trois zones.
  9. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que les détecteurs de couleurs (11 ; 12) sont réalisés comme détecteurs de couleurs (11 ; 12) comportant trois zones photosensibles discrètes sur la surface active de chacun.
  10. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que les détecteurs de couleurs (11 ; 12) fonctionnent conformément à une fonction de valeur spectrale normalisée en DIN 5033 ou suivant CIE 1931.
  11. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que chacun des détecteurs de couleurs (11 ; 12) comporte un boîtier propre, ledit boîtier comprenant au moins la surface active photosensible du détecteur de couleurs (11 ; 12) correspondant.
  12. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que la barre de mesure (01 ; 02) est rattrapable dans son dispositif, transversalement à la direction de transport du support d'impression (03).
  13. Machine à imprimer rotative selon la revendication 12, caractérisée en ce que la barre de mesure (01 ; 02) est déplaçable d'une course de réglage (s) dans son dispositif, transversalement à la direction de transport du support d'impression (03).
  14. Machine à imprimer rotative selon la revendication 13, caractérisée en ce qu'une unité de commande (39) commande ou régule dynamiquement le rattrapage des barres de mesure (01 ; 02) en fonction du décalage de position d'un repère (37) du support d'impression (03).
  15. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le signal de sortie d'un détecteur de couleur (11 ; 12) quelconque parmi les détecteurs de couleurs (11 ; 12) disposés dans une rangée, ou simultanément les signaux de sortie de plusieurs détecteurs de couleurs (11 ; 12) quelconques peuvent être prélevés.
  16. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le ou les dispositifs à éléments capteurs (11 ; 12) sélectionnés au moyen du filtre sont affectés à un emplacement parmi le ou les emplacements significatifs de l'image d'impression.
  17. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le filtre est généré à partir de données rendues disponibles par un étage antérieur à l'impression (31).
  18. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le filtre est déduit d'images d'impression qui se trouvent déjà en impression continue.
  19. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que l'unité de traitement des données saisit les signaux de sortie respectifs de tous les dispositifs à éléments capteurs (11 ; 12) sélectionnés situés dans la même rangée en synchronie cyclique avec une vitesse de transport du support d'impression (03).
  20. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que l'unité de traitement des données est réalisée sous la forme d'un ou de plusieurs circuits logiques FPGA librement programmables.
  21. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le support d'impression (03) est réalisé comme une bande d'impression (03), ladite bande d'impression (03) présentant une vitesse de transport comprise entre 15 m/s et 20 m/s dans la machine à imprimer rotative.
  22. Machine à imprimer rotative selon la revendication 21, caractérisée en ce que le prélèvement des signaux de sortie respectifs des dispositifs à éléments capteurs (11 ; 12) sélectionnés alignés en rangée est synchronisé avec la vitesse de transport de la bande d'impression (03).
  23. Machine à imprimer rotative selon la revendication 1, caractérisée en ce qu'au moins une rangée de dispositifs à éléments capteurs (11 ; 12) est alignée de chaque côté du support d'impression (03).
  24. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que les dispositifs à éléments capteurs (11 ; 12) sont séparés l'un de l'autre par des parois opaques.
  25. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que la surface de mesure (28) s'étend aussi bien dans la direction de transport de la bande d'impression (03) que transversalement à celle-ci.
  26. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le champ de mesure (29) est prévu avec une forme circulaire ou rectangulaire.
  27. Machine à imprimer rotative selon la revendication 1, caractérisée en ce qu'un dispositif à éléments capteurs (11 ; 12) saisissant la nuance chromatique balaie un fragment de l'image d'impression imprimée sur le support d'impression (03).
  28. Machine à imprimer rotative selon la revendication 1, caractérisée en ce qu'une surface de chaque point de trame imprimé sur le support d'impression (03) est inférieure au champ de mesure (29) dont la nuance chromatique est saisie par un des dispositifs à éléments capteurs (11 ; 12).
  29. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le système de mesure d'encrage en ligne fait partie d'une installation de régulation d'encre, ladite installation de régulation d'encre réglant un dosage de l'encre d'impression sur au moins un groupe encreur appartenant à la machine à imprimer rotative.
  30. Machine à imprimer rotative selon la revendication 1, caractérisée en ce qu'il est prévu un compteur de production (41) déterminant le nombre d'images d'impression imprimées, les valeurs de mesure (x ; y ; z) saisies par au moins un dispositif à éléments capteurs (11 ; 12) étant coordonnées à un index de compteur délivré par le compteur de production (41) et sauvegardées par une mémoire de données (23 ; 27).
  31. Machine à imprimer rotative selon la revendication 14, caractérisée en ce que le repère (37) en liaison fixe avec la surface du support d'impression (03) est réalisé en forme de coin avec une pointe orientée en direction de transport du support d'impression (03).
  32. Machine à imprimer rotative selon la revendication 14, caractérisée en ce que l'extension maximale du repère (37) transversalement à la direction de transport de la bande d'impression (03) correspond à la course de réglage (s) maximale à exécuter par la barre de mesure (01 ; 02) pour son rattrapage.
  33. Machine à imprimer rotative selon la revendication 14, caractérisée en ce que le repère (37) est réalisé comme un triangle rectangle ou comme un élément étagé.
  34. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que plusieurs sources lumineuses (13) discrètes son prévues.
  35. Machine à imprimer rotative selon la revendication 34, caractérisée en ce que les sources lumineuses (13) sont disposées dans au moins une rangée.
  36. Machine à imprimer rotative selon la revendication 34, caractérisée en ce que chaque dispositif à éléments capteurs (11 ; 12) forme au moins un groupe de composants fonctionnellement séparé avec la ou les sources lumineuses (13) qui lui sont associées.
  37. Machine à imprimer rotative selon la revendication 34, caractérisée en ce que chaque source lumineuse (13) est réalisée sous forme de diode électroluminescente (13) ou de diode laser (13).
  38. Machine à imprimer rotative selon la revendication 35, caractérisée en ce que la ou les rangées de sources lumineuses (13) sont disposées parallèlement à une rangée de dispositifs à éléments capteurs (11 ; 12).
  39. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que le dispositif à éléments capteurs (11 ; 12) est réalisé comme capteur d'image CMOS.
  40. Machine à imprimer rotative selon la revendication 1, caractérisée en ce que celle-ci est réalisée comme presse rotative à bobines.
EP20070106803 2006-05-15 2007-04-24 Presse rotative dotée d'au moins un système d'encrage et un système de mesure en ligne des couleurs Not-in-force EP1857280B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610022529 DE102006022529B4 (de) 2006-05-15 2006-05-15 Rollenrotationsdruckmaschine mit mindestens einem Farbwerk und mit einem Inline-Inspektionssystem

Publications (3)

Publication Number Publication Date
EP1857280A2 EP1857280A2 (fr) 2007-11-21
EP1857280A3 EP1857280A3 (fr) 2011-04-06
EP1857280B1 true EP1857280B1 (fr) 2012-12-05

Family

ID=38328208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070106803 Not-in-force EP1857280B1 (fr) 2006-05-15 2007-04-24 Presse rotative dotée d'au moins un système d'encrage et un système de mesure en ligne des couleurs

Country Status (2)

Country Link
EP (1) EP1857280B1 (fr)
DE (1) DE102006022529B4 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008023961A1 (de) * 2008-05-16 2009-11-19 Manroland Ag Verfahren zur Regelung von drucktechnischen Prozessen
DE102008025417A1 (de) * 2008-05-27 2009-12-03 Manroland Ag Verfahren zur Ermittlung von Parametern eines Druckprozesses
DE102008025420A1 (de) * 2008-05-27 2009-12-03 Manroland Ag Vorrichtung zur Erfassung von Bildern vorbestimmter Ausschnitte eines in Bewegung befindlichen Druckerzeugnisses
DE102011114779A1 (de) * 2011-10-01 2013-04-04 Robert Bosch Gmbh Registermarkensensor zur Beleuchtung von Registermarken auf einem Material und Erfassung des reflektierten Lichts
DE202013102069U1 (de) * 2013-05-13 2014-08-14 Eltromat Gmbh Farbmesseinrichtung, insbesondere für Druckmaschinen

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3220093C2 (de) * 1982-05-28 1985-05-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur Farbdichtemessung an laufenden, bahnförmigen Druckmaterialien
DE4004056A1 (de) * 1990-02-10 1991-08-14 Roland Man Druckmasch Verfahren und vorrichtung zur farbsteuerung und zonenweisen voreinstellung
US5412577A (en) * 1992-10-28 1995-05-02 Quad/Tech International Color registration system for a printing press
DE4242683A1 (de) * 1992-12-17 1994-06-23 Contraves Gmbh Verfahren zum Steuern eines Farbauftrages in einer Druckeinheit
DE19703129B4 (de) * 1997-01-29 2014-08-21 Heidelberger Druckmaschinen Ag Verfahren zur Bewertung der Qualität eines im Mehrfarbendruck auf einem Bedruckstoff erzeugten Druckbildes
EP0860276B1 (fr) * 1997-02-19 2002-10-16 Baldwin Germany GmbH Procédé et dispositif de contrôle de qualité
KR20040053110A (ko) * 2001-10-15 2004-06-23 도판 인사츠 가부시키가이샤 인쇄 방법, 인쇄물 및 인쇄 제어 장치
DE10314071B3 (de) * 2003-03-28 2004-09-30 Koenig & Bauer Ag Verfahren zur qualitativen Beurteilung eines Materials mit mindestens einem Erkennungsmerkmal
EP1512531A1 (fr) * 2003-09-02 2005-03-09 Abb Research Ltd. Système de régulation d'encrage pour machines d'impression
US7132644B2 (en) * 2003-10-02 2006-11-07 Mazet Gmbh Photo sensor for standardized color measurement
CN101090821B (zh) * 2004-03-23 2010-11-03 柯尼格及包尔公开股份有限公司 具有至少一个可利用执行机构调节的机器部件的印刷机
DE102004035786B4 (de) * 2004-03-23 2010-04-01 Koenig & Bauer Aktiengesellschaft Inline-Inspektionssysteme

Also Published As

Publication number Publication date
EP1857280A2 (fr) 2007-11-21
DE102006022529A1 (de) 2007-11-22
DE102006022529B4 (de) 2009-05-20
EP1857280A3 (fr) 2011-04-06

Similar Documents

Publication Publication Date Title
EP0713447B1 (fr) Dispositif de verification d'image d'un produit imprime
EP0884181B1 (fr) Procédé de regulation des operations effectuées par une machine d'impression
EP1888338B2 (fr) Machine a imprimer et procede pour produire un produit imprime
DE69636188T2 (de) Farbausscheidung für die Farbsteuerung von einer Druckmaschine
EP1579994B1 (fr) Machine d'impression avec un système d'inspection en ligne
EP1620266B1 (fr) Procédé d'utilisation de dispositifs pour r gler au moins un registre d'une presse
CH697346B1 (de) Vorrichtung zur Erfassung eines Bildes von einem vorbestimmten Ausschnitt eines in Bewegung befindlichen Druckerzeugnisses.
EP1737666A1 (fr) Dispositif et procede pour reconnaitre des erreurs d'alignement
EP1857280B1 (fr) Presse rotative dotée d'au moins un système d'encrage et un système de mesure en ligne des couleurs
EP0836942B1 (fr) Bloc de mesure et procédé d'acquisition des données de qualité dans des machines d'impression multicoloré
DE102006022530B4 (de) Rollenrotationsdruckmaschine mit mindestens einem Farbwerk und mit einem Inline-Inspektionssystem
EP1512531A1 (fr) Système de régulation d'encrage pour machines d'impression
DE19738992A1 (de) Messfeldblock und Verfahren zur Erfassung von Qualidätsdaten im Mehrfarben-Auflagendruck
EP3972233B1 (fr) Procédé de caractérisation automatisée d'un système d'impression en continu
EP4391517A1 (fr) Procédure de détermination de la position des mesures spectrales
DE102009000344B4 (de) Verfahren zum Betrieb einer Anordnung mit mehreren Pixeln und Gerät, aufweisend einen Bildsensor
EP2712171A2 (fr) Procédé et dispositif de mesure de la couleur sur des images imprimées
WO2024156674A1 (fr) Procédé de surveillance en ligne du mode de fonctionnement d'au moins une tête d'impression
DE102022108751A1 (de) Verfahren zum Betreiben einer Tintenstrahldruckmaschine zum Erzeugen reproduzierbarer Druckergebnisse

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: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

17P Request for examination filed

Effective date: 20110314

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 502007010985

Country of ref document: DE

Owner name: KOENIG & BAUER AG, DE

Free format text: FORMER OWNER: KOENIG & BAUER AKTIENGESELLSCHAFT, 97080 WUERZBURG, DE

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 587038

Country of ref document: AT

Kind code of ref document: T

Effective date: 20121215

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502007010985

Country of ref document: DE

Effective date: 20130131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130316

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20121205

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130306

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130405

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130305

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130405

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

BERE Be: lapsed

Owner name: KOENIG & BAUER A.G.

Effective date: 20130430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

26N No opposition filed

Effective date: 20130906

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130424

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502007010985

Country of ref document: DE

Effective date: 20130906

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

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: 20130430

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130430

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130430

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130424

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20131231

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: 20130430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130424

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 587038

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130424

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130424

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20121205

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130424

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20070424

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20150618

Year of fee payment: 9

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 502007010985

Country of ref document: DE

Owner name: KOENIG & BAUER AG, DE

Free format text: FORMER OWNER: KOENIG & BAUER AKTIENGESELLSCHAFT, 97080 WUERZBURG, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502007010985

Country of ref document: DE

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: 20161101