EP1396341B1 - Procédé et dispositif de commande pour déterminer des défauts de repérage - Google Patents

Procédé et dispositif de commande pour déterminer des défauts de repérage Download PDF

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Publication number
EP1396341B1
EP1396341B1 EP03014130A EP03014130A EP1396341B1 EP 1396341 B1 EP1396341 B1 EP 1396341B1 EP 03014130 A EP03014130 A EP 03014130A EP 03014130 A EP03014130 A EP 03014130A EP 1396341 B1 EP1396341 B1 EP 1396341B1
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EP
European Patent Office
Prior art keywords
sheet
register
sensor
error
transport
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03014130A
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German (de)
English (en)
Other versions
EP1396341A1 (fr
Inventor
Dieter Karl-Heinz Dobberstein
Walter Dr. Dworschak
Christian Friedrich Dr. Engeln
Heiko Hunold
Patrick Dr. Metzler
Karlheinz Walter Dr. Peter
Rolf Johannes Spilz
Stefan Theden
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of EP1396341A1 publication Critical patent/EP1396341A1/fr
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Publication of EP1396341B1 publication Critical patent/EP1396341B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0081—Devices for scanning register marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/90—Register control
    • B41P2213/91—Register control for sheet printing presses

Definitions

  • US-A1-2002 / 0024681 discloses a method according to the preamble of claim 1 and a control device according to the preamble of claim 11.
  • register marks are used in addition to the printed image, by means of which deviations from the correct printing are detected and measured by the operator of the printing press.
  • the register accuracy is automatically detected and calculated by means of sensors in the printing press.
  • the sensors detect the register marks on the sheet and determine by means of the measured position of the register marks and a desired position, whether the printing takes place without errors.
  • the printing press is driven to the extent necessary to remove them.
  • a disadvantage of the prior art is that the register marks at different.
  • Substrate types are applied at the same conditions undesirable at different locations.
  • the register mark is applied to a thick substrate at a slightly different location than a thin substrate.
  • These errors are corrected on a regular basis, reducing press availability through the corrective actions that are usually performed with special calibration runs.
  • Another disadvantage of the described prior art is the high number of detection elements.
  • each sheet is stopped for alignment, with considerable time elapsing.
  • the object of the invention is to reliably and simply determine a register error. Another object of the invention is to correct the register error.
  • the object is achieved by the method according to claim 1, and the control device according to claim 11.
  • a method and a control device are provided for determining a register error in which at least one register mark is printed and at least one sensor detects the register mark, wherein the sheet edge of the sheet is detected by the sensor and the register error is determined from the sensor data and desired data.
  • At least two register marks are applied at a distance transversely to the transport direction, the register error is detected in the transport direction of the sheet, and an angular error of the sheet is determined from the sensor data.
  • An embodiment of the invention discloses a method that is performed during the printing operation, the printing result is usable from the first sheet with no scrap of sheets and calibration runs of the printing press are avoided.
  • the print quality is increased because the register error is constantly detected and corrected, not only during a pre-print calibration pass, detecting a drift in the register error that occurs with longer press run times.
  • By omission of the calibration passage is the Increased press availability.
  • the print is usable from the first bow on.
  • the register mark is printed on a transport medium for conveying a sheet. It is advantageously achieved that the print job from the first sheet is usable and no sheet broke arises.
  • the registration of the register mark and the sheet edge of the sheet is performed during the printing operation. This feature increases press availability, precluding calibration runs preceding the print process.
  • a register error in the direction of transport of the sheet is detected, and in another embodiment register errors of the sheet are detected which are based on angular displacements of the sheet.
  • the senor detects the register mark and in response thereto a rotation angle of a drive roller of the transport medium is determined, the sensor detects the sheet edge and in response thereto, the rotation angle of the drive roller of the transport medium and the rotation angle difference is determined, the rotation angle difference is a target - Rotation angle difference compared and the register error is determined from the comparison.
  • the register error is determined for different types of substrates.
  • errors that are caused by different compressibility of different substrates with regard to the register can be avoided.
  • An embodiment of the invention discloses that the registration error is determined for different types of media and stored in an allocation table of a controller of the printing press.
  • Fig. 1 shows an embodiment of the invention with a schematic plan view of a portion of a transport medium 11 with a longitudinally displaced sheet 3.
  • the transport medium 11 is in this case a conveyor belt, but is otherwise executable example as a cylinder.
  • the sheet 3 is shown by solid lines, the error-free position of the sheet 3 without displacement of the sheet 3 in the longitudinal direction is shown in dashed lines. Shown is a so-called Intrack error.
  • the path of the faulty longitudinal displacement of the sheet 3 is ⁇ x .
  • a register mark 2 is applied to the transport medium 11. Then follows on the transport medium 11 of the sheet 3.
  • the sensor 15 above the transport medium 11 detects first the register mark 2 and then the leading edge of the sheet 3.
  • the path between the register mark 2 and the leading edge of the sheet 3 is x1.
  • a clock number between the detection of the register mark 2 and the front edge of the sheet 3 by the sensor 15 is counted by a clock counter 20.
  • the counted number of cycles is attributable to the path x1 , since the speed of the arc 3 and the clock frequency of the clock counter 20 is known.
  • the counted by the clock counter 20 clock number denotes actual data.
  • the actual data are compared to target data, wherein a clock difference is calculated which corresponds to the path x ⁇ and umrechenbar therein.
  • the thus calculated path ⁇ x a calibration value is assigned by means of a mapping table or look up table, which represents a correction value for the register error.
  • a mapping table or look up table which represents a correction value for the register error.
  • the control of the transport rollers 4, 4 'by means of the calibration values causes a displacement of the sheet 3 by the distance ⁇ x independently of the transport of the sheet 3 by the transport rollers 4, 4'.
  • the road ⁇ x is usually in addition to the path covered by the sheet 3 traveled. Other transport roles are executable, but not shown. In this way, the displacement of the sheet 3 is compensated.
  • the register error in the transport direction of the sheet 3 is alternatively 22 correctable by driving an imaging device by the Bereciungszeittician a path- ⁇ x assigned time is shifted. The described process takes place during the printing, a special calibration run is not required, the register error of the sheet 3 is corrected during the transport in the movement of the sheet 3.
  • each signature 3 and register mark 2 that are detected generate additional calibration values that can be used individually for correction or that can be averaged, using the averaged calibration values as the individual calibration values to correct the register error.
  • the calibration values remain permanently stored in the assignment table. In this way, suitable calibration values are available at the beginning of a printing operation in order to avoid register errors. Furthermore, the register errors are dependent on the printing material, and different substrates produce differently sized register errors. Since the type of printing material in the printing press is known in each printing process by entering the special printing process by the operator, the calibration values can be stored as a function of the printing material.
  • a special allocation table is available for every type of substrate.
  • the type of media and stored calibration values are determined based on the printing data retrieved from the allocation table, which is adapted to the type of printing material.
  • calibration values are already available at the beginning of a print job, depending on the type of substrate.
  • transport rollers 4, 4 are driven 'which offset the shift of the sheet 3 by the distance ⁇ x.
  • the speed of the transport rollers 4, 4 is increased 'in such a way that the sheet 3 is transported on the transport medium 1 in addition to the way ⁇ x to the front.
  • the sheet 3 is transported without correction by the transport rollers 4, 4 'at a linear speed to which an additional speed is added with the aid of the calibration values, the transport rollers 4, 4' are accelerated in the short term.
  • the additional speed compensates for the determined path difference ⁇ x , which represents a register error in the transport direction of the sheet 3.
  • the sheet 3 is further transported to another transport medium 11, on which the printing of the sheet 3 is performed, as under Fig. 3 described.
  • Fig. 2 shows a schematic plan view of a portion of a transport medium 11 with an angular displacement of the sheet 3 in order to avoid register error of the sheet 3, which is based on an angular displacement of the sheet 3.
  • the sheet 3 is shown by solid lines, the error-free position of the sheet 3 without angular displacement of the sheet 3 is shown in dashed lines.
  • the arc 3 is to the left by the angle ⁇ Fig. 2 shifted, there is a so-called skew error.
  • Two sensors 15 ', 15 are arranged at the same height above the transport medium 11 with respect to the transport direction of the sheet 3.
  • the angular displacement of the sheet 3 causes the left side of the sheet 3 to be deflected at the point of detection by the sensor 15' by the distance ⁇ x2 is shifted rearward while the right side of the sheet 3 is shifted forward at the detection point by the sensor 15 "by the path ⁇ x3 .
  • Two sensors 15 ', 15 "are in the same height is arranged perpendicular to the transport direction of the sheet 3.
  • the two sensors 15 ', 15 “respectively detect the front edge of the sheet 3 and a respective register mark 2', 2", which is applied to the transport medium 11. Due to the angular displacement, the sensor 15 "detects the register mark 2" before the sensor 15 'detects the register mark 2'.
  • Each sensor 15 ', 15 "generates sensor data from which the clock counter 20 generates a clock difference corresponding to the path x2 or x3 .
  • the path x2 corresponds to the distance of the register mark 2' from the front edge of the sheet 3, measured by the sensor 15 '
  • the path x3 corresponds to the distance of the register mark 2 "from the front edge of the sheet 3, measured by the sensor 15.”
  • the clock counter 20 counts the clock which, upon detection of the register mark 2 'by the sensor 15' and the register mark 2 "by the sensor 15 starts “and ends upon detection of the leading edge of the sheet 3 and forms in each case a timing difference.
  • the path difference ⁇ x2 corresponding to the displacement of the sheet 3 due to the angular displacement at the point at which the sensor 15 'senses the leading edge of the sheet 3
  • the path difference ⁇ x3 corresponds to the displacement of the sheet 3 due to the angular displacement at the point where the sensor 15 "detects the leading edge of the sheet 3, respectively in relation to the error-free position of the sheet Arc 3, which is shown with dashed lines.
  • the clock difference from the sensor data of sensor 15 ' is compared in device 30 with the clock difference from the sensor data of sensor 15 " to Fig. 2 the device 30 controls the transport roller 4 and accelerates it.
  • the transport roller 4 ' is further moved at a uniform speed, while the speed of the transport roller 4 is increased so that the angular displacement of the sheet 3 is offset by the angle ⁇ .
  • the left side of the sheet 3 is thus conveyed at a different speed than the right side for a short time.
  • Fig. 3 shows a further embodiment of the invention with a schematic plan view of a portion of a transport medium 11 with an angular displacement of the sheet 3 to a register error of the sheet 3 to avoid, which is based on an angular displacement of the sheet 3.
  • the sheet 3 is shown by solid lines, the error-free position of the sheet 3 without angular displacement of the sheet 3 is shown in dashed lines.
  • the arc 3 is to the left by the angle ⁇ Fig. 2 shifted, there is a so-called skew error.
  • Two sensors 15 ', 15 are arranged at the same height with respect to the transport direction at the same height above the transport medium 11.
  • the angular displacement of the sheet 3 causes the left side of the sheet 3 to be rearward at the point of detection by the sensor 15' by the distance ⁇ x4 is shifted, while the right side of the sheet 3 is shifted at the detection point by the sensor 15 "by the distance ⁇ x5 forward with respect to the transport direction.
  • Each sensor 15 ', 15 "generates sensor data from which the clock counter 20 generates a clock difference.
  • the path difference ⁇ x4 corresponds to the displacement of the sheet 3 due to the angular displacement at the position where the sensor 15 'detects the leading edge of the sheet 3
  • the path difference ⁇ x5 corresponds to the displacement of the sheet 3 due to the angular displacement at the point at which Sensor 15 "detected the front edge of the sheet 3, respectively in relation to the error-free position of the sheet 3.
  • the clock difference from the sensor data of the sensor 15 ' is compared in the device 30 with the clock difference from the sensor data of the sensor 15". From the comparison of the clock differences, a calibration value is unambiguously obtained, which can be assigned to an angular displacement of the sheet 3.
  • the calibration value then serves to correct the register error.
  • the device 30 controls the transport roller 4 and accelerates it.
  • the transport roller 4 ' is further moved at a uniform speed, while the speed of the transport roller 4 is increased so that the angular displacement is compensated by the angle ⁇ .
  • the left side of the sheet 3 is thus conveyed at a different speed than the right side.
  • the register marks 2 ', 2 are applied to the sheet 3 and not on the transport medium 11. This has the consequence that the sheet 3 in the embodiment according to Fig. 3 in contrast to the embodiment according to Fig. 2 is not usable as a print result, the sheet 3 becomes a reject.
  • the method of the embodiment according to Fig. 3 is performed in a special calibration run, which takes place before printing.
  • Fig. 4 shows a particular embodiment of the invention, wherein register errors are determined, which are defined by a slipping of the sheet 3 perpendicular to the transport direction of the sheet 3.
  • the sheet 3 is hereby shifted by a distance ⁇ x6 to the right perpendicular to the transport direction of the sheet 3.
  • the error-free position of the sheet 3 on the conveyor belt 11 is shown by dashed lines, the faulty position of the sheet 3 is marked by solid lines.
  • the register error perpendicular to the transport direction of the sheet 3, a so-called Crosstrack error points in Fig. 4 a size of ⁇ x6 .
  • the error direction is with the double-sided arrow in Fig. 4 characterized.
  • the sensor 15 is arranged above the sheet 3 approximately in the region of the side edge of the sheet 3.
  • a register mark 2 V is applied on the conveyor belt 11 as a vertical bar, ie the register mark 2 V is parallel to the side edges of the sheet 3, provided that the sheet 3 has no angular displacement.
  • the register error is determined by the sensor 15 detects the register mark 2 V and then at least one side edge of the sheet 3.
  • the sensor 15 in this embodiment comprises about an LED row or a CCD array, with approximately a portion 32 shown in dashed lines, in which a portion of the side edge of the sheet 3 is detected by the sensor 15.
  • the register mark 2 V is preferably on the same line, viewed in the transport direction, as the side edge of the sheet 3.
  • the faulty position of the side edge of the sheet 3 is determined in dependence on the register mark 2 V. Based on the measurements by the sensor 15, the path ⁇ x6 can be determined, similar to the above described.
  • a correction of the register error in the present case, a shift of the sheet 3 to the left by the distance .DELTA.x6 is carried out such that the transport rollers 4, 4 'are driven by the device 30 and moved by the path .DELTA.x6 to the left. By frictional engagement with the sheet 3, this is shifted by the same way to the left as the transport rollers 4, 4 '.
  • the registration and correction of the register error takes place during the printing process, as described.
  • Fig. 5 shows a schematic side view of a portion of a printing module or printing unit of a multi-color printing machine above a transport medium 11 and a control device 19.
  • a single sensor 15 and a single register mark 2 per sheet 3 is provided and a bow displacement in the longitudinal direction to the transport direction can be determined and corrected.
  • an embodiment for determining and correcting an angular displacement of the sheet 3 is executable.
  • the transport medium 11 follows the transport medium 1, the in Fig. 1 is shown in a section, the sheet 3 is transported from the transport medium 1, which is stretched around rollers 17, 18, on the transport medium 11.
  • the sheet 3 is in this case moved by the transport rollers 4, 4 ', which act on the sheet 3, the transport medium 1 is rigid.
  • the printing press has a plurality of printing modules, each printing module applies a color, with the individual colors printed on top of one another on a printing material, here the sheet 3, composing the overall picture, as is known.
  • the transport medium 11 is driven by the drive on a second deflection roller 16 and moves in the direction of the arrow.
  • the first guide roller 14, the second guide roller 16, an intermediate cylinder 25, a Be logisticsungszylinder 23 and a counter-pressure cylinder 27 for providing a counter force to the pressing force of the intermediate cylinder 25 move in the in Fig. 5 directions represented by the curved arrows.
  • impression cylinder 23, 25 in the present description, the imaging cylinder 23 and the intermediate cylinder 25 as an intermediate carrier of the printed image, depending on whether the image from the imaging cylinder 23 directly on a sheet 3 or first on a Intermediate cylinder 25 and is transmitted from this to the sheet 3.
  • the imaging cylinder 23 and the intermediate cylinder 25 have a first rotary encoder 24 and a second rotary encoder 26, respectively, which detect a specific rotational angle of the imaging cylinder 23 or the intermediate cylinder 25 so that their rotational angle is known at all times.
  • the first rotary encoder 24 on the imaging cylinder 23 and the second rotary encoder 26 on the intermediate cylinder 25 transmit the detected rotation angles to a device 30.
  • the device 30 comprises allocation tables or look-up tables, which are designed as registers, which data from the first rotary encoder 24, the second rotary encoder 26, obtained by the drive at the second guide roller 16 and by a sensor 15 or register sensor and each time numbers are assigned.
  • the cycle numbers obtained from the look up tables serve to determine the time of the beginning of the imaging of the imaging cylinder 23 with an image.
  • image in this context comprises color separations of images of the individual printing modules, which are composed of the overall image, for example, the color separations cyan, magenta, yellow and black in four-color printing, individual lines of the image or image areas. In Fig. 5 only one printing module for a color separation, cyan, magenta, yellow or black is shown, further printing modules are executable along the transport medium 11.
  • the clock counter 20 transmits, after a certain number of clocks predetermined by the device 30, a signal to a imaging device 22, which transmits an electrostatic image to the imaging cylinder 23 on the basis of the signal.
  • the imaging cylinder 23 has an electrostatically charged photoconductor which is subjected to controlled light by the imaging device 22, such as an LED source or a laser.
  • the imaging device 22 such as an LED source or a laser.
  • the electrostatic charges are removed.
  • toner particles having magnetically opposite charges are applied to the locations freed from the electrostatic charges, and an image is provided on the imaging cylinder 23.
  • the image is transferred to an intermediate cylinder 25, which rotates in opposite directions to the imaging cylinder 23, and from the intermediate cylinder 25 by rolling the Intermediate cylinder 25 printed on the sheet 3.
  • the intermediate cylinder 25 exerts a force on the transport medium 11 from above
  • an impression cylinder 27 exerts from below a force opposite the intermediate cylinder 25 force on the transport medium 11 from.
  • the imaging cylinder 23, the intermediate cylinder 25, the first guide roller 14 and the impression cylinder 27 are driven by frictional engagement with the transport medium 11, which is driven by a drive on the second guide roller 16.
  • the imaging by the imaging device 22, which is triggered by the clock counter 20, takes place exactly at a time that the image is transferred from the imaging cylinder 23 via the intermediate cylinder 25 to the sheet 3 micrometer accurate.
  • the register mark 2 is, as described, transferred from the intermediate cylinder 25 to the transport medium 11.
  • the sensor 15 at the end of the transport medium 11 first detects the register mark 2 on the transport medium 11, transmits in response thereto a signal to the device 30, which triggers a counting of a clock of the clock counter 20. Thereafter, the sensor 15 detects the leading edge of the sheet 3 and, in response, transmits a signal to the device 30, which stops counting the clock.
  • Each register mark 2 is followed by a sheet 3. Between the detection of the register mark 2 and the front edge of the sheet 3, a cycle number is counted, which denotes the distance x1 between the register mark 2 and the front edge of the sheet 3.
  • the number of cycles is clearly a distance, in this example the distance x1 can be assigned.
  • the counted number of cycles denotes actual data which is compared in the device 30 with desired data. If the comparison shows that the actual data matches the target data, then there is no register error. If the comparison shows that the actual data does not match the target data, there is a register error, which is the greater, the greater the deviation of the actual data from the target data, the larger the path ⁇ x is, the greater the deviation of the actual data from the target data.
  • the path difference ⁇ x calculated in this way is assigned to a calibration value in the allocation table of the device 30. With the calibration value, the transport rollers 4, 4 'are controlled, which are arranged above the transport medium 1 and transport the sheet 3.
  • the transport rollers 4, 4 ' usually convey the sheet 3 evenly and are momentarily negatively or positively accelerated to avoid a registration error.
  • the transport rollers 4, 4 ' are accelerated such that the sheet is x 3 moves by the distance ⁇ in addition to the front.
  • the sheet 3 arrives at the right time on the transport medium 11, so that the printing is carried out without error by the intermediate cylinder 25.
  • the sheet 3 is thus transferred in the correct position with respect to the transport direction of the transport medium 1 to the transport medium 11.
  • the sheet 3 is also transferred in the correct position with respect to the direction perpendicular to the transport direction of the sheet 3 to the transport medium 11.

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  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Error Detection And Correction (AREA)
  • Handling Of Sheets (AREA)

Claims (11)

  1. Procédé de détermination d'une erreur de registre, selon lequel au moins une marque de registre (2, 2',2",2"') est imprimée, cette marque de registre et l'un des bords de la feuille à imprimer (3,3',3",3"') étant détectés par au moins un capteur (15, 15') et l'erreur de registre étant déterminée à partir des données de ce capteur et des données nominales, caractérisé en ce que la marque de registre (2, 2', 2", 2"') est imprimée sur un moyen de transport (11) utilisé pour transporter la feuille (3, 3', 3", 3"').
  2. Procédé selon la revendication 1, caractérisé en ce que la détection de la marque de registre (2, 2', 2", 2''') et du bord de la feuille (3, 3', 3", 3"') est effectuée pendant l'opération d'impression.
  3. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une erreur de registre est détectée dans le sens de transport de la feuille (3, 3', 3", 3"').
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une erreur de registre est détectée dans le sens perpendiculaire au sens de transport de la feuille (3, 3', 3", 3"'), le capteur (15, 15') détectant au moins un bord de la feuille (3, 3', 3", 3''').
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins deux marques de registre (2, 2', 2", 2"') sont appliquées à un écartement donné et transversalement au sens de transport, l'erreur de registre étant détectée dans le sens de transport de la feuille ; et en ce que l'erreur angulaire de la feuille (3, 3', 3", 3"') est déterminée à partir des données du capteur.
  6. Procédé selon la revendication 4 ou 5, caractérisé en ce que le capteur (15, 15') détecte la marque de registre (2, 2', 2", 2"') ; que le système calcule, en réaction à cette détection, un angle de rotation d'un galet d'entraînement du moyen de transport (11) ; que le capteur (15, 15') détecte le bord de la feuille ; que le système calcule, en réaction à cette détection, l'angle de rotation du galet d'entraînement du moyen de transport (11) et la différence entre les deux angles de rotation ; que la différence des angles de rotation est comparée à une différence d'angle de rotation nominale et que l'erreur de registre est déterminée à partir de cette comparaison.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'erreur de registre est déterminée pour différents types de supports à imprimer.
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'erreur de registre est mémorisée pour différents types de supports à imprimer dans un tableau d'associations d'un dispositif de contrôle-commande de l'imprimante.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un certain nombre d'erreurs de registre est utilisé pour calculer leur moyenne statistique.
  10. Dispositif de contrôle-commande (19) ayant pour fonction de déterminer une erreur de registre sur une imprimante comprenant un moyen de transport (11) utilisé pour transporter des feuilles en application du procédé selon la revendication 1, avec au moins un capteur (15) ayant pour fonction de détecter le bord avant d'une feuille (3, 3', 3'', 3''') et au moins une marque de registre (2, 2', 2", 2"') et un dispositif (30) de calcul d'erreur de registre sur la base des données du capteur (15) et des données mémorisées, caractérisé en ce que la marque de registre (2, 2', 2", 2"') est imprimée sur le moyen de transport (11).
  11. Dispositif de contrôle-commande (19) selon la revendication 10, caractérisé par un dispositif (30) de correction de l'erreur de registre calculée.
EP03014130A 2002-09-07 2003-06-24 Procédé et dispositif de commande pour déterminer des défauts de repérage Expired - Lifetime EP1396341B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10241609 2002-09-07
DE10241609A DE10241609A1 (de) 2002-09-07 2002-09-07 Verfahren und Steuerungseinrichtung zum Bestimmen eines Registerfehlers

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EP1396341A1 EP1396341A1 (fr) 2004-03-10
EP1396341B1 true EP1396341B1 (fr) 2008-09-24

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US (1) US7162956B2 (fr)
EP (1) EP1396341B1 (fr)
AT (1) ATE409116T1 (fr)
DE (2) DE10241609A1 (fr)

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FR2910372B1 (fr) * 2006-12-21 2010-12-10 Goss Int Montataire Sa Dispositif de commande d'une presse rotative d'impression d'une bande de matiere,et presse rotative.
JP4664391B2 (ja) * 2008-04-28 2011-04-06 シャープ株式会社 印刷出力装置および印刷出力システム
US20150116734A1 (en) * 2013-10-24 2015-04-30 Joshua Hart Howard Printer with image plane alignment correction

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EP0708046A1 (fr) * 1994-10-21 1996-04-24 Maschinenfabrik Gietz Ag Dispositif de répérage et d'alimentation de feuilles
DE10127249B4 (de) * 2000-06-28 2013-05-02 Heidelberger Druckmaschinen Ag Verfahren zum Ermitteln einer Position eines Druckbildes und Überwachungseinrichtung für eine Druckmaschine
DE10141034A1 (de) * 2001-08-22 2003-03-20 Nexpress Solutions Llc Verfahren und Druckmaschine zum Ermitteln von Registerfehlern
DE10141035A1 (de) * 2001-08-22 2003-03-20 Nexpress Solutions Llc Verfahren und Druckmaschine zum Ermitteln von Registerfehlern
US6848361B2 (en) * 2002-01-18 2005-02-01 Eastman Kodak Company Control device and method to prevent register errors
DE10227766A1 (de) * 2002-06-21 2004-01-15 Nexpress Solutions Llc Verfahren und Steuerungseinrichtung zum Vermeiden von Registerfehlern
US6997455B2 (en) * 2004-02-09 2006-02-14 Eastman Kodak Company Sheet deskewing method and apparatus

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US7162956B2 (en) 2007-01-16
US20060013468A1 (en) 2006-01-19
ATE409116T1 (de) 2008-10-15
DE50310536D1 (de) 2008-11-06
DE10241609A1 (de) 2004-03-18
EP1396341A1 (fr) 2004-03-10

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