Mittel zum direkten und effektiven Bestimmen des Lochvolumens eines Rasters oder des absoluten und relativen Farbabgabefaktors von Farbwalzen, insbesondere für flexografischen Druck.

ROTARY PRESS WITH SHEET-REGISTRATION DEVICES

Pigmentübertragungs- und Andruckmaschine

TRANSFER MACHINE PICTURE.

ROTARY PRINTING PRESS ARRANGEMENT.

PROOF PRESS HAVING PLURALITY OF PLATE CYLINDERS

... [Problem] To facilitate the task of exchanging colors to print and enable continuous printing in a proof press having a plurality of plate cylinders. [Solution] This invention is provided with: a plurality of plate cylinders (68) disposed around a rotary shaft (12) so as to be parallel to the rotary shaft (12) and supported by discs (21, 26); a pair of clamping shafts (47, 56) for clamping both ends of the plate cylinders (68); a clamping shaft driving device (88) for moving one (47) of the clamping shafts forwards and backwards; a rotary driving device (91) linked to the rotary shaft (12) and the other (56) of the clamping shafts; a plate cylinder lift device (80) for lifting the plate cylinders (68); an impression cylinder (83) installed so as to correspond to one of the plate cylinders (68); an impression cylinder driving device (86) for driving the impression cylinder (83); and a printing pressure adjustment device (88) for bringing the impression cylinder (83) towards the plate cylinder ...

DEVICE AND METHOD FOR MEASURING THE STICKINESS OF A FLOWABLE MEDIUM

ROTARY PRINTING PRESS AND PROCEDURE FOR ADJUSTING A ROLLER THE SAME

BOGENROTATIONSDRUCKMASCHINENANLAGE

SHEET ROTATION PRINTING MACHINE PLANT

PRESS TO LAMINATE PRECISION

Rotary printing press having a checking apparatus

A rotary printing press assembly includes an inspection apparatus interposed between a sheet feeder for feeding printed sheets and a rotary printing press having a printing cylinder for printing additional indicia on the printed sheets. The inspection apparatus has a pair of inspection cylinders rotatable in opposite directions. A printed sheet is supplied from the sheet feeder and is held at its face and back against peripheral surfaces of the inspection. Detectors are disposed in confronting relationship to the peripheral surface of the inspection surface cylinders for inspecting the printed sheet on the inspection cylinders for any defect and for generating signals in response to detection of any defect on the printed sheet. The printing cylinder is movable away from an operational position adjacent an impression cylinder to an inoperational position away therefrom in response to a signal from the detectors indicating a defective sheet. The printed sheet bearing the detected defect passes ...

Proofing press

... 781,118. Rotary proof printing and transfer presses. MASCHINENFABRIK GOEBEL GFS. May 13,1955 [May 15, 1954; Nov. 17, 1954], No. 13964/55. Class 100(2) In a rotary proof-printing press, which is adapted for transfer of carbon tissues, the forme cylinder 4 is in operative engagement with driving means but the impression cylinder 2 is not driven until cooperating means on the two cylinders are engaged at a determined position, whereupon the cylinder 2 is driven for a short period by these means, and continued rotation of this cylinder is effected through gearing or by peripheral contact with the cylinder 4. The press shown is for intaglio printing, the cylinder 4 being mounted in adjustable bearings which allow cylinders of larger or smaller diameter to be accommodated. This cylinder dips into an ink container 11 which is supported by means 12, adjustable by a lever 13, and doctor blade 6 for removing surplus ink is carried by a pivoted lever 7 provided with an extension 10 on which is an ...

Rotary press with sheet-registration devices

A press apparatus comprising a pair of parallel rollers sequentially joins a plurality of pre-imaged adhesive layers in precise registration to form a composite color proof. Detent and coupling means maintain the respective rollers and mounted image sheets in predetermined registration until the rollers are brought together and rotated by separate drive means to effect lamination of the complementary imaged layers.

SHEET ROTATION PRINTING MACHINE PLANT

LAMINATING PRESS

METHOD OF OPERATING A PRINTING MACHINE DURING START-UP OR RUN-ON

... . During start-up or run-on of a printing machine, a printed image is transferred from a printing cylinder (2, 24, 34) on a control or test cylinder (5, 26,35) which has a surface representative of the surface of a substrate (6, 25, 33) on which printing, later on, is to be effected, for example a white ceramic surface of roughness comparable to that of paper. The image transferred on the control or test cylinder is optically tested while the cylinder rotates over a first partial circumferential range (7, 27, 36), and data derived, either by human observation or by electrooptical sensors (8, 28, 37) to permit readjustment of operating systems of the printing machine in accordance with desired operating parameters, such as register, inking density, ink/damping fluid relationship in offset processes or the like. The printed image is then erased, extinguished or removed, for example by cleaning, by a cleaning apparatus (13, 30, 39) located in a second subsequent range (12, 29, 38) of the circumference ...

Proof or sample printing machine - has individually driven, exchangeable presser cylinder and further exchangeable cylinder pressable with specific force on presser cylinder

The sample or proof rotary printing machine has an individually driven, exchangeable pressure cylinder (50). It has at least one further exchangeable cylinder, which with specific force is pressable on the presser cylinder and is rotated by it. The cylinders in a machine frame (10) are rotatably located around parallel axes. A doctor (20,20') extends at least over the further cylinder for colour application. Selectively a deep print cylinder effects deep print processes with the presser cylinder or a flexo-cylinder (16) and a screen cylinder (17) is series for carrying out flexo-print processes can be brought into engagement with the presser cylinder. USE/ADVANTAGE - Proof printing machine is suitable for deep printing and flexo printing and can be easily changed from one type of operation to the other.

Improvements in or relating to printing machines

... 378,708. Printing-machines. MASCHINENFABRIK AUGSBURGNœRNBERG AKT.-GES., 7, Stadtbachstrasse, Augsburg, Germany. Oct. 22, 1931, No. 29395. Convention date, Oct. 25, 1930. [Class 100 (ii).] Rotary intaglio machines; tripping-arrangements; gripper mechanism.-A rotary intaglio proof - printing press is constructed so that cylinders 1 of different sizes can print on a sheet fed to grippers 10 on an impression cylinder 8, the machine being set so that after the cylinder 1 has made a given number of revolutions the grippers are operated to take the sheet and the impression cylinder is moved into printing position by the operation of a contact device. This contact device may be formed of single metal teeth 6, 7, Fig. 2, on gear wheels 4, 5 which gear the cylinders 1, 8 together,' the remaining teeth of the gears being made of fibre. To ensure correct register of the design, the tooth 6 may at the commencement of the operation be engaged with a gap 14 or 14<1> in the wheel 5, and since the gears ...

COLOUR TESTING FACILITY WITH A LOW PRESSURE ROLLER.

MEANS TO THE DIRECT ONE AND EFFECTIVE ONE INTENDING THE HOLE VOLUME OF A RASTER OR THE ABSOLUTE ONE AND RELATIVE ONE OF COLOR DELIVERY FACTOR OF COLOR ROLLERS, IN PARTICULAR FOR FLEXOGRAFI PRESSURE.

PRINTING INK TESTING SET.

PROCESS AND MEANS FOR DIRECTLY AND EFFECTIVELY DETERMINING THE HOLLOW VOLUME OF A SCREEN OR THE ABSOLUTE AND RELATIVE INK RELEASING FACTOR OF INKING ROLLERS, PARTICULARLY FOR FLEXOGRAPHIC PRINTING

METHOD OF OPERATING A PRINTING MACHINE DURING START-UP OR RUN-ON

Taking-up mechanism for gravure printing machine

PRINTING PRESSES

Colour tone examining device comprising an intaglio printing cylinder

... 1. A device for testing shades of colour, with a print cylinder (1), colour applying means (2) cooperating with the cylinder's surface, and a strip (5) of material to be printed, which strip is attached in a quick-release manner to a bed (6) having a flat surface over which the print cylinder rolls, characterised in that the print cylinder is a gravure print cylinder (1) and the colour applying means in a doctor blade (2) which bears on the top of the print cylinder, both are mounted on a carriage (16) having a handle (17) for moving it, and the bed (6) has longitudinal grooves (18) in which on each side there engage two mutually spaced rollers (19) disposed on the lower edge of the carriage (16).

Improvements in Machines for Taking Impressions from Engraved Rollers used in Calico Printing and the like.

... 6591. Calico Printers' Association, and Ker, C. A. March 16. Rotary machines. - A device for taking proof impressions on fabric from engraved rollers comprises a n impression roller b of papier machÚ, which is driven by changegearing d<1> ... d<5> from the mandrel o for supporting the engraved roller a. T h e mandrel o is driven by wormgear f, e from a belt - driven shaft p. The mandrel o is mounted in a swivelbearing permitting it to be raised to facilitate the insertion of the roller. The piece of fabric on which the impression is to be taken is attached to the roller b by white wax or other adhesive, and the impression roller is raised into contact with the roller a by cams m and weighted lever q. Colour is supplied from a doctor trough n. The operation may be repeated in several colours.

Improvements in and relating to mechanical printing processes

... 334,183. Beaune, S. May 22, 1929. Inking-apparatus. - In multi-colour printing from a single engraved plate or cylinder, the inks are applied to the printing-surface by a number of inking-rollers having relief surfaces corresponding to the areas of the different colours to be applied, and the surplus colours are removed by a wiping-roller from which the colours are continuously removed. The inking-rollers are provided with an elastic and easily cut coating, e.g. of wax, whitening, gelatine, and glycerine, and are of a circumference equal to the length of the design to be printed. In preparing the rollers for inking, they are placed in the machine and an inked impression from the printing-surface is applied to each roller. The surface of each roller is then cut away to leave in relief only that portion corresponding to the colour which the roller is required to apply. Each inking-roller is supplied with colour from a fountain Q, Fig. 3, by a steel roller P having a milled surface, a steel ...

PRECISION LAMINATING PRESS

E 770 CAN A press apparatus comprising a pair of parallel rollers sequentially joins a plurality of pre-imaged adhesive layers in precise registration to form a composite color proof. Detent and coupling means maintain the respective rollers and mounted image sheets in predetermined registration until the rollers are brought together and rotated by separate drive means to effect lamination of the complementary imaged layers.

PRECISION LAMINATING PRESS

Positioning structure of gravure proof press

Machine of test or warming-up of the cylinders of form of the rotary machines to print in hollow

Пробкопечатное устройство глубокойпЕчАТи

VORRICHTUNG ZUR PRUEFUNG DER BEDRUCKBARKEIT VON PAPIER

PRINTING INK PROOFER

APPARATUS FOR PROOF PRINTING OR FOR SAMPLE COATING

PROOF PRINTING

PRESSE A STRATIFIER DE PRECISION

L'INVENTION CONCERNE UNE PRESSE A STRATIFIER DE PRECISION. DANS CETTE PRESSE, DES DISPOSITIFS D'ALIGNEMENT 53, 55, 64, 66 COMPORTENT DES DISPOSITIFS DE BLOCAGE 64, 66 MONTES SUR UN CHASSIS DE MANIERE A CONTACTER CHACUN L'UN, CORRESPONDANT, DE ROULEAUX 11, 13 ET A JUXTAPOSER DES ZONES CIRCONFERENTIELLES PRESELECTIONNEES DES ROULEAUX LORSQUE CES DERNIERS SONT HORS DE CONTACT, ET DES DISPOSITIFS D'ACCOUPLEMENT 53, 55 ASSOCIES A CHACUN DES ROULEAUX ET AGENCES DE MANIERE A AGIR PENDANT LA COURSE DE DEPLACEMENT RELATIF DES ROULEAUX VERS LEUR POSITION DE CONTACT ET A MAINTENIR LESDITS ROULEAUX DANS UN ALIGNEMENT CIRCONFERENTIEL PRECIS AU MOINS JUSQU'A CE QUE LEURS SURFACES RESPECTIVES VIENNENT EN CONTACT. DOMAINE D'APPLICATION: TIRAGES ET SURIMPRESSIONS EN COULEURS.

ROTATIONSDRUCKMASCHINE UND VERFAHREN ZUM EINSTELLEN EINER WALZE DERSELBEN

PRESSE A IMPRIMER ROTATIVE COMPORTANT UN APPAREIL DE VERIFICATION

L'INVENTION SE RAPPORTE A UNE PRESSE A IMPRIMER ROTATIVE COMPORTANT UN APPAREIL DE VERIFICATION. SELON L'INVENTION, L'ENSEMBLE 1 DE LA MACHINE COMPREND UNE PRESSE ROTATIVE 4 PERMETTANT D'AJOUTER SUR LES FEUILLES PREIMPRIMEES 6 LES REPERES ADDITIONNELS DESIRES, UN DISPOSITIF D'ALIMENTATION 2 DES FEUILLES 6 ET UN APPAREIL 3 DE VERIFICATION DE LA QUALITE DES FEUILLES IMPRIMEES. L'APPAREIL 3 COMPREND DEUX CYLINDRES VERIFICATEURS 12, 13 PERMETTANT, EN RELATION AVEC DES DETECTEURS 15, 16, DE DETECTER LES EVENTUELS DEFAUTS DES FEUILLES SUR LEUR FACE OU SUR LEUR DOS ET COMMANDANT, LORSQU'UNE FEUILLE DEFECTUEUSE EST DETECTEE, LA MISE HORS OPERATION DU CYLINDRE IMPRIMEUR 21 ET LA MISE EN OPERATION D'UN DISPOSITIF DE DECHARGE 30, 33 DES FEUILLES DEFECTUEUSES. L'INVENTION S'APPLIQUE NOTAMMENT A LA FABRICATION DES BILLETS DE BANQUE OU D'EFFETS OU IMPRIMES DE VALEUR.

Rotary printing press and inspection method and apparatus therefor

A rotary printing press assembly includes an inspection apparatus interposed between a sheet feeder for feeding printed sheets and a rotary printing press having a printing cylinder for printing additional indicia on the printed sheets. The inspection apparatus has a pair of inspection cylinders rotatable in opposite directions. A printed sheet is supplied from the sheet feeder and is held at its face and back against peripheral surfaces of the inspection. Detectors are disposed in confronting relationship to the peripheral surface of the inspection surface cylinders for inspecting the printed sheet on the inspection cylinders for any defect and for generating signals in response to detection of any defect on the printed sheet. The printing cylinder is movable away from an operational position adjacent an impression cylinder to an inoperational position away therefrom in response to a signal from the detectors indicating a defective sheet. The printed sheet bearing the detected defect passes ...

Proofing presses

A proof-press for web material comprises:- (a) a printing station 3 at which a printing nip may be established (b) pay-off roll means 1 upstream of the printing station and associated with adjustable tension control means (e.g. a torque control motor) for maintaining a substantially constant web tension between the pay-off roll and the nip; and (c) take-up roll means 5 downstream of the printing station and associated with tensioning means for maintaining web tension between the nip and the take-up means. Register control for the second and subsequent print runs is achieved by measuring the print repeat length on the web, measuring the circumference of the printing cylinder to be used, and then adjusting the tension control means associated with pay-off roll 1 so that the web 2 is stretched or relaxed to ensure in-register printing. As described, the tension between the pay-off roll and the nip may be of the same order as that between the nip and the take-up roll,whereby transport of the ...

Novel gravure proof press

Cartridge structure of proofing press

Pattern printing machine that nail pasted

The utility model provides a can make coating fast cure's pattern printing machine that nail pasted, it has: the main part, its including be located subaerial base and with base aircraft nose in opposite directions, the base station, it is installed in the upper end of base, the pattern groove, it is installed on the upper surface of base station, the tank bottom in the pattern groove is formed with the pattern mould, the nail pastes the brace table, it is installed on the upper surface of base station with the pattern groove side by side, the print head, on the aircraft nose of its installation, the coating coating that will form the regulation pattern in the pattern mould is attached at the nail, the nail pastes the brace table and has the support cell body of rectangular slot form and the support frame of the paliform of cover on the opening that supports the cell body, is formed with well kenozooecium in each the wall portion that supports the cell body, and well kenozooecium feeds ...

Machine to draw from the cylindrical tests of the shapes of impression or plates of impression assembled on plain mandrels

PRESS TO PRINT ROTARY COMPRISING A CIRCUIT TESTER

Jig for Curved Glass Gravure Printing

Method and apparatus for proof printing or for sample coating

A method and apparatus for preparing a proof or sample of an ink or paint as a preliminary to its being employed in a printing or coating process to enable its colour and coating capability to be determined, wherein a quantity of the ink is applied to apparatus including a first roller 16, the surface of which is engraved with microscopic depressions; a doctor-blade set so as to wipe the roller surface clean and leave ink only in the engravings; and a second roller 44 of resiliently deformable material which is movable into contact with the first roller 16 so causing ink to be transferred between the surfaces of the rollers until equilibrium is reached. A sheet of the substrate to be inked or coated is then introduced into the nip between the two rollers. The second roller 44 may be formed from two or more separate rollers spaced apart so as to define separate inking surfaces or may be in the form of a single roller having one or more annular grooves 43 to define the different inking surfaces ...

METHOD AND APPARATUS FOR PROOF PRINTING OR FOR SAMPLE COATING

Apparatus for proof printing or for sample coating

Apparatus for preparing a proof or sample of an ink or paint as a preliminary to its being employed in a printing or coating process to enable its colour and coating capability to be determined comprises a first roller 16, the surface of which is engraved with microscopic depressions; a doctor-blade set so as to wipe the roller surface clean and leave ink only in the engravings; a second roller means 44 of resiliently deformable material, and with axially separated inking surfaces 45, 47, which is movable into contact with the first roller 16 so causing ink to be transferred between the surfaces of the rollers until equilibrium is reached. A sheet of the substrate to be inked or coated is then introduced into the nip between the two rollers. Means may be provided for cleaning the rollers after use. The second roller means may be formed from two or more separate rollers spaced apart so as to define separate inking surfaces or may be in the form of a single roller having one or more annular ...

Blade adjusting structure for blade of concave sampling machine

PRESS TO PRINT ROTARY COMPRISING A CIRCUIT TESTER

VORRICHTUNG UND VERFAHREN ZUR MESSUNG DER KLEBRIGKEIT EINES FLIESSFÄHIGEN MEDIUMS

Als Andruckmaschine verwendbare Rotationstiefdruckmaschine

PROOF PRESS

Machine to be drawn from the tests of warming-up for print rolls in hollow

Machine to draw from the cylindrical tests of the shapes of impression or plates of impression assembled on plain mandrels

IMPROVED PRINTING INK PROOFER

ROTARY PRINTING PRESS HAVING A CHECKING APPARATUS

Printability Tester

... 1,158,018. Printability - testing device. STICHTING INSTITUUT VOOR GRAFISCHE TECHNIEK TNO. 19 July, 1967 [20 July, 1966], No. 33205/67. Heading B6C. A printability testing device comprises a driven impression cylinder and an inked printing cylinder running in frictional contact, the paper to be printed passing therebetween, wherein the printing cylinder has at least one band of notches encircling its periphery. This provides a better frictional contact between the cylinders with consequently no variation in speed of rotation of the cylinders thus preventing the formation of misleading stripes on the paper. The notches 6 may be provided along the edges of the printing cylinder 5, but they must be in a region covered by the test paper; alternatively the band can be formed centrally (Fig. 3, not shown). The bands may be continuous or broken up but there must be a notch at some point on any printing line; the notches are preferably rectilinear in shape.

Printing roller proofing press

PRINTING CORRECTION SYSTEM USING POSITION COMPENSATED HARD CLICHE USING FLEXIBLE CLICHE AND PRINTING METHOD USING SAME

In a print correction system using a position corrected hard cliche using a flexible cliche and a printing method using the same, the print correction system comprises: a flexible cliche, a measurement unit, and a hard cliche. In a flexible offset printing process, the flexible cliche turns off ink coated on a printing roll, forms a cliche pattern, and includes a flexible material to enable shape and positional deformation. A measuring unit measures the shape and position of the flexible cliche. The hard cliche is disposed under the flexible cliche and includes a rigid material fixating the deformed flexible cliche. COPYRIGHT KIPO 2016 ...

Colour proofing apparatus and method

A color proofing apparatus, including an engraved roller (12) having a pattern of ink accommodating cavities on its peripheral surface, a back pressure cylinder (14) forming a nip with the engraved roller (12), a conveyor (16) adapted to feed a sheet (18) of a print substrate through the nip in synchronism with the movements of the peripheral surfaces of the engraved roller (12) and the back pressure cylinder (14), and an optical sensor (30) disposed at the conveyor (16) for measuring a color value of the sheet (18) that has passed through the nip.

Test pressure unit for printing machine; has at least one deflection roller with variable positions, where sheet to be printed is fixed onto pressure band to form transport band

The test pressure unit has at least one deflection roller (1.9) with variable position and counter pressure rollers. Counter pressure rollers (1.6) and deflection rollers are arranged so that the sheet to be printed is temporarily fixed on a pressure band running about the counter pressure roller, so that the sheet forms a transport band (1.13). The surface of the counter pressure roller is chosen for the corresponding printing method, i.e. it is compressible for gravure printing and incompressible for flexographic printing.

Combined type overprinting and proofing device

COLOUR PROOFING APPARATUS AND METHOD

A colour proofing apparatus, comprising: an engraved roller (12) having a pattern of ink accommodating cavities on its peripheral surface, a back pressure cylinder (14) forming a nip with the engraved roller (12), a conveyor (16) adapted to feed a sheet (18) of a print substrate through said nip in synchronism with the movements of the peripheral surfaces of the engraved roller (12) and the back pressure cylinder (14), and an optical sensor (30) disposed at the conveyor (16) for measuring a colour value of the sheet (18) that has passed through the nip.

PRINTING PRESS

... 1349753 Printing machines ODHAMS (WATFORD) Ltd 26 April 1971 [27 April 1970] 20193/70 Heading B6C In a rotary proof machine, printing from a gravure cylinder 5 is effected on an endless web 15 carried around air bearings 14, pneumatically operable swingable impression cylinder 12 and a web tensioning device 20 incorporating a further air bearing 23. The doctor blade 33 is angularly adjustable relative to the cylinder 5 and carried by a pivoted body 30 reciprocable axially of the cylinder and tensioned by a sliding weight 35. All the shafts and bearings are arranged for cantilever mounting for ready removal of the cylinder 5 and the impression cylinder 12. A photo electric cell is incorporated in the machine to count the revolutions of the cylinder 5 and actuate the pneumatic system 16 for tripping the impression roller 12.

PRINTING

... 1436540 Adjusting print registration; proofing BEMROSE SPONDON Ltd 27 Feb 1974 [14 Dec 1972] 57870/72 Heading B6C Printing apparatus comprises a supply roll for a web of paper, a printing station for the moving web, a drying station, and a wind-up device for the web wherein the registration is adjustable in response to marks provided on the web. In particular the apparatus is applicable to proof-printing of a transfer web with heatdispersible dyestuffs to provide proof samples on a single-unit machine, the web being run through to provide a different colour on each run. Thus a web of paper 3, Fig. 2, is passed from supply roll 2 to a print station comprising a photogravure cylinder 11 and an impression cylinder 8, thence round drying drum 14 in a drying cabinet 15 and cooling cylinder 16 to take-up roll 20. In each run a register mark is printed on the web, and photoconductive device 37 senses any mis-registration with the immediately-preceding mark and controls the drive to speed-up-or ...

Intaglio proof press printing forme washing protective equipment

ROTARY PRINTING PRESS AND METHOD FOR ADJUSTING A CYLINDER THEREOF

LAMINATING PRESS

ROTATIONSTRYCKPRESS MED KONTROLLANORDNING

PRAEZISIONSVERBUNDSCHICHTPRESSE

FARBTONPRUEFEINRICHTUNG MIT EINER TIEFDRUCKWALZE

MÁQUINA IMPRESSORA ROTATIVA E MÉTODO PARA AJUSTAR UM CILINDRO DA MESMA

GRAVURE PRINTING MACHINE AND INKING UNIT

The invention relates to an inking unit (601, 802, 803, 804) of a gravure printing machine (801) comprising a gravure printing cylinder (603) and an inking device inking the gravure printing cylinder with an ink. In order to simplify the printing process of a gravure printing machine (801), the inking unit (601, 802, 803, 804) can be removed from said machine in such a manner that said inking unit remains in a ready-to-print state.

Proof printing press

Proof printing press

A proof printing press (100) includes an impression cylinder (111), a collecting cylinder (113), and a wiping roller (118), which are positioned relative to a plate cylinder (112) such that a length (L11) of an outer circumference of the plate cylinder (112) at a downstream side of a facing position (P1) in a rotation direction of the plate cylinder (112) is longer than a length (L2) in a circumferential direction of a mounting surface (112a) of the plate cylinder (112), where the length (L11) of the outer circumference of the plate cylinder (112) extends between the facing position (P1) where the plate cylinder (112) faces the collecting cylinder (113) and a facing position (P2) where the plate cylinder (112) faces the wiping roller (118), and that a length (L12) of the outer circumference of the plate cylinder (112) at a downstream side of the facing position (P2) in the rotation direction of the plate cylinder (112) is longer than the length (L2) in the circumferential direction of the ...

LAMINATION PRESS

Vorrichtung zur Durchführung eines Wegschlagtests

FARBTONPRUEFEINRICHTUNG MIT EINER TIEFDRUCKWALZE

PRINTABILITY TESTER

Colour tone examining device comprising an intaglio printing cylinder

POLYCHROME PRINTING METHOD

ROTARY PRINTING PRESS AND METHOD FOR ADJUSTING A CYLINDER THEREOF

The invention relates to a rotary printing press comprising a number of colour decks (A-J), at least one of which comprises a cylinder (16, 18), and an adjusting system for adjusting the position of the cylinder (16, 18) in relation to at least one other component (12) of said printing press. Said rotary printing press is characterised in that the at least one colour deck (F) comprises a control unit (50) that is configured to capture and process data relating to the cylinder, said data describing the topography of the surface of said specific cylinder and/or a spatial relationship between a printing pattern and a reference mark (36) embodied on the cylinder. The control unit (50) is configured such that the adjusting system can be controlled according to said adjusting data in order to optimally adjust the position of the cylinder for printing, producing little or no waste at all.

Improved printing ink proofer

A method and apparatus for preparing a proof or sample of an ink (as herein defined) as a preliminary to its being employed in a printing or coating process to enable its colour and coating capability to be determined.

A quantity of the ink is applied to a first roller the surface of which is engraved.

The ink is evenly distributed over the roller using a doctor-blade set as to wipe the roller surface clean and leave the ink only in the engraving.

A second roller of resiliently deformable material is moved into contact with the inked roller so causing ink to be transferred to the surface of the second roller until equilibrium is reached and a sheet of the substrate to be inked or coated is introduced into the nip between the two rollers.

Means is provided for cleaning the rollers after use.

The second roller may be formed from two or more separate rollers spaced apart so as to define separate inking surfaces or may be in the form of a single ...

Rotary printing press and method for adjusting a cylinder thereof

Verfahren zur Einstellung einer Walze (16, 18) in einer Rotationsdruckmaschine (10), mit den Schritten: a) Montieren der Walze in einem Vorbereitungsgestell (24), in dem die Walze drehbar gelagert wird, b) Abtasten der Umfangsfläche der Walze mit einer Tastrolle, um so eine Topographie der Walzenoberfläche zu detektieren, c) Ableiten von Einstelldaten für die Einstellung der Walze aus den Topographiedaten und Speichern der Einstelldaten, d) Montieren der Walze (16, 18) in der Druckmaschine (10) und e) Einstellen der Walze anhand der Einstelldaten.

Proof printing press

A proof printing press (100) includes an impression cylinder (111), a collecting cylinder (113), and a wiping roller (118), which are positioned relative to a plate cylinder (112) such that a length (L11) of an outer circumference of the plate cylinder (112) at a downstream side of a facing position (P1) in a rotation direction of the plate cylinder (112) is longer than a length (L2) in a circumferential direction of a mounting surface (112a) of the plate cylinder (112), where the length (L11) of the outer circumference of the plate cylinder (112) extends between the facing position (P1) where the plate cylinder (112) faces the collecting cylinder (113) and a facing position (P2) where the plate cylinder (112) faces the wiping roller (118), and that a length (L12) of the outer circumference of the plate cylinder (112) at a downstream side of the facing position (P2) in the rotation direction of the plate cylinder (112) is longer than the length (L2) in the circumferential direction of the ...

Proof printing device for printing and/or coating web materials

Test pressure unit for printing machine; has at least one deflection roller with variable positions, where sheet to be printed is fixed onto pressure band to form transport band The test pressure unit has at least one deflection roller (1.9) with variable position and counter pressure rollers. Counter pressure rollers (1.6) and deflection rollers are arranged so that the sheet to be printed is temporarily fixed on a pressure band running about the counter pressure roller, so that the sheet forms a transport band (1.13). The surface of the counter pressure roller is chosen for the corresponding printing method, i.e. it is compressible for gravure printing and incompressible for flexographic printing.

Machine-readable data pattern associated with physical defects on printable media supply

Information includes at least a location of each physical defect on a printable media supply. A machine-readable pattern associated with the information is added to the printable media supply. 1. A method comprising:receiving information comprising at least a location of each physical defect of a plurality of physical defects on a printable media supply;generating a machine-readable data pattern associated with the information; and,adding the machine-readable data pattern to the printable media supply.2. The method of claim 1 , wherein the information further comprises one or more of:a unique identifier of the printable media supply;a stock-keeping unit (SKU) of the printable media supply;a type of the printable media supply;a size of the printable media supply;a size of each physical defect; and,a type of each physical defect, including one or more of a severity and a kind of each physical defect.3. The method of claim 1 , wherein generating the machine-readable data pattern comprises encoding the information within the machine-readable data pattern.4. The method of claim 1 , wherein generating the machine-readable data pattern comprises encoding a unique identifier of the printable media supply within the machine-readable data pattern claim 1 ,and wherein the method further comprises storing the information within a computing system such that the information is referenced within the computing system by the unique identifier.5. A non-transitory computer-readable data storage medium storing a computer program to cause a program-executing hardware unit of a printing system to perform a method comprising:receiving a machine-readable data pattern from a hardware sensor that detected the machine-readable data pattern added to a printable media supply, the machine-readable data pattern associated with information comprising at least a location of each physical defect of a plurality of physical defects on the printable media supply;determining the information based on the ...

PERFECTOR

A printing unit prints simultaneously on both surfaces of a paper sheet while a detecting unit detects printing conditions on both surfaces of the paper sheet. The printing unit includes: a blanket impression cylinder configured to hold and transport the paper sheet; and a blanket cylinder being lateral to the blanket impression cylinder and being in contact with the blanket impression cylinder. The transporting device includes: a transfer cylinder configured to receive the paper sheet from the blanket impression cylinder; and a delivery cylinder configured to receive the paper sheet from the transfer cylinder. The detecting unit includes: a first checking camera configured to detect the printing condition on one surface of the paper sheet transported by the transfer cylinder; and a second checking camera configured to detect the printing condition on the other surface of the paper sheet transported by the delivery cylinder. 1. A perfector including: a printing unit configured to perform printing simultaneously on both surfaces of a sheet; detecting means for detecting printing conditions on both surfaces of the sheet on which the printing is performed simultaneously; and transporting means for holding and transporting the detected sheet to a discharging unit , characterized in thatthe printing unit includes: a first printing cylinder configured to hold and transport the sheet; and a second printing cylinder disposed lateral to the first printing cylinder and being in contact with the first printing cylinder,the transporting means includes: a transfer cylinder being in contact with the first printing cylinder and configured to receive, from the first printing cylinder, the sheet on which printing is performed on both surfaces by the first printing cylinder and the second printing cylinder; and a delivery cylinder being in contact with the transfer cylinder and configured to receive the sheet from the transfer cylinder, andthe detecting means includes: a first ...

Colour Proofing Apparatus and Method

A colour proofing apparatus, including an engraved roller () having a pattern of ink accommodating cavities on its peripheral surface, a back pressure cylinder () forming a nip with the engraved roller (), a conveyor () adapted to feed a sheet () of a print substrate through the nip in synchronism with the movements of the peripheral surfaces of the engraved roller () and the back pressure cylinder (), and an optical sensor () disposed at the conveyor () for measuring a colour value of the sheet () that has passed through the nip. 1. A colour proofing apparatus , comprising:an engraved roller having a pattern of ink accommodating cavities on a peripheral surface thereof,a back pressure cylinder forming a nip with the engraved roller,a conveyor adapted to feed a sheet of a print substrate through said nip in synchronism with movements of the peripheral surface of the engraved roller and the back pressure cylinder, andan optical sensor disposed at the conveyor for measuring a colour value of the sheet that has passed through the nip.2. The colour proofing apparatus according to claim 1 , wherein the engraved roller has on its peripheral surface a plurality of different screens formed by patterns of ink accommodating cavities with different ink-carrying capacities claim 1 , the screens being arranged in bands that extend in a longitudinal direction of the engraved roller claim 1 , and the optical sensor is mounted in a fixed position in the proofing apparatus.3. The colour proofing apparatus according to claim 2 , further comprising an illumination system mounted in a fixed position in the apparatus claim 2 , and the optical sensor and the illumination system are shielded from external light.4. The colour proofing apparatus according to claim 1 , further comprising an air tight casing connected to a pressure source for keeping the apparatus at an elevated air pressure.5. The colour proofing apparatus according to claim 1 , wherein the back pressure cylinder is arranged ...

IDENTIFYING DIFFERENCES BETWEEN IMAGES

A method is disclosed. The method may comprise obtaining first image data representing a reference image to be printed on a substrate. The method may comprise obtaining second image data representing a scanned image of a substrate on which the reference image has been printed. The method may comprise combining the first image data and the second image data to generate combined image data. The method may comprise providing the combined image data as an input to a classifier component to identify a difference between the first image data and the second image data. An apparatus and a machine-readable medium are also disclosed. 1. A method comprising:obtaining first image data representing a reference image to be printed on a substrate;obtaining second image data representing a scanned image of a substrate on which the reference image has been printed;combining the first image data and the second image data to generate combined image data; andproviding the combined image data as an input to a classifier component to identify a difference between the first image data and the second image data.2. A method according to claim 1 , wherein the classifier component is to provide as an output an indication of a location of a difference between the reference image and the scanned image.3. A method according to claim 1 , wherein the classifier component is to provide as an output an indication that an identified difference between the reference image and the scanned image represents a defect in the scanned image.4. A method according to claim 1 , wherein the classifier component comprises a deep neural network.5. A method according to claim 1 , wherein combining the first image data and the second image data comprises:converting the first image data into first grayscale image data;converting the second image data into second grayscale image data;applying the first grayscale image data as first and second channels of the combined image data; andapplying the second grayscale image ...

PROOF PRINTING PRESS

A proof printing press includes an impression cylinder, a collecting cylinder, and a wiping roller, which are positioned relative to a plate cylinder such that a length of an outer circumference of the plate cylinder at a downstream side of a facing position P1 in a rotation direction of the plate cylinder is longer than a length in a circumferential direction of a mounting surface of the plate cylinder, where the length of the outer circumference of the plate cylinder extends between the facing position P1 where the plate cylinder faces the collecting cylinder and a facing position P2 where the plate cylinder faces the wiping roller, and that a length of the outer circumference of the plate cylinder at a downstream side of the facing position P2 in the rotation direction of the plate cylinder is longer than the length in the circumferential direction of the mounting surface of the plate cylinder, where the length of the outer circumference of the plate cylinder extends between the facing position P2 where the plate cylinder faces the wiping roller and a facing position P3 where the plate cylinder faces the impression cylinder. 1. A proof printing press comprising:a plate cylinder rotatably supported and including, on an outer circumference thereof, a working surface on which an intaglio printing plate is mounted;an impression cylinder rotatably supported to face the plate cylinder and including, on an outer circumference thereof, a working surface configured to hold a sheet;a collecting cylinder rotatably supported to face the plate cylinder and including, on an outer circumference thereof, a working surface on which a blanket is mounted;a plurality of chablon cylinders disposed along a circumferential direction of the collecting cylinder, rotatably supported to face the collecting cylinder, and including, on outer circumferences thereof, working surfaces on which segment plates are mounted;a plurality of form rollers rotatably supported to face the chablon ...

METHOD FOR VERIFYING A PRINTING PLATE, SPECIFICALLY A GRAVURE CYLINDER

The invention relates to a method for verifying a printing plate, specifically a gravure cylinder, for errors in an engraving of the printing plate, comprising the following steps: Generating at least two proofs using a printing plate to be verified, capturing at least one digital image each of the at least two proofs with an image-capturing unit, comparing each of the digital images of the at least two proofs with the engraving template of the printing plate, wherein the comparison comprises the following steps: Detecting deviations between each of the images and the engraving template, and verifying that the detected deviations occur in identical fashion on the digital images of all of the at least two proofs, wherein a pseudo error is indicated if the comparison does not show identical deviations between the digital images of the at least two proofs, and wherein identical deviations indicate an engraving defect in the printing plate. 2. The method according to claim 1 , wherein the generation of at least two proofs includes the generation of a respective monochrome print of the printing plate.3. The method according to claim 1 , wherein an engraving file of the printing plate or a reference image of the surface of the engraved printing plate is used as the engraving template for comparing the digital images.4. The method according to claim 1 , wherein identical image positions of the respective image and the engraving template are contrasted while comparing the engraving template and the images claim 1 , wherein deviations at each image position are determined by reviewing whether the differences between the engraving template and the image with regards to defined optical parameters claim 1 , specifically brightness claim 1 , adhere to a respective tolerance range.5. The method according to claim 4 , wherein deviations are assumed to be corresponding if one of the detected deviations is found in the same image position on all images claim 4 , on the one hand ...

METHOD AND DEVICE FOR PROTECTING A CAMERA FROM SOILING AND PRINTING INSTALLATION THEREWITH

The invention relates to a method of protecting a camera () for inspecting printed work during printing from soiling. A transparent protective element () is placed here between the camera () and the printed work for inspection, and the protective element () is replaced when the transparency thereof decreases. The transparent protective element () can form part of a strip of transparent film () which is unwound from a supply reel () and wound onto a take-up reel (). The decrease in transparency can be determined on the basis of a recording made by the camera (). The invention also relates to a device () for protecting such a encamera () from soiling, comprising a transparent protective element () to be placed between the camera () and the printed work for inspection; and means () for replacing the protective element () when the transparency thereof decreases. The replacing means () can comprise a strip of transparent material () supplied on a supply reel () and be configured to unwind the film () from a supply reel () and wind it onto a take-up reel (). The supply reel () and the take-up reel () can be received in a cassette () which has between the supply reel () and the take-up reel () an opening () along which the transparent film () is moved. Finally the invention further relates to a printing installation in which a camera () with such a protective device () is applied. 1. Method for protecting a camera from soiling , in particular a camera for inspecting printed work during printing , by placing a transparent protective element in front of the camera , in particular between the camera and the printed work for inspection , and replacing the protective element when the transparency thereof decreases.2. Method as claimed in claim 1 , characterized in that the transparent protective element forms part of a supply of transparent material and is replaced by placing another part of the supply of transparent material in front of the camera.3. Method as claimed in claim ...

CONVEYANCE DEVICE AND IMAGE INSPECTION DEVICE

A hanging prevention roller is installed between a first suction conveyance unit on an upstream side and a second suction conveyance unit. When an inspection object is sent from the first suction conveyance unit into the second suction conveyance unit, a top edge of the inspection object abuts on and runs on the hanging prevention roller before the top edge of the inspection objects hangs down under its own weight or due to downward curling and so forth, the top edge is sandwiched between the roller and the second suction conveyance unit, and thereby stable suction conveyance is started without delay. 1. A conveyance device comprising:a first conveyance unit which is arranged in such a manner that a conveyance surface on which a sheet-shaped conveyance object is conveyed is located on an upper surface side;a second conveyance unit which is arranged adjacent to the conveyance surface of the first conveyance unit along a conveyance object conveyance direction in such a manner that a conveyance surface on which the sheet-shaped conveyance object is conveyed is located on a lower surface side; anda hanging prevention member which is installed between the first conveyance unit and the second conveyance unit and delivers the conveyance object from an upstream side to a downstream side of the conveyance direction in such a manner that a top edge of the conveyance object does not hang down.2. An image inspection device comprising:a first conveyance unit which is arranged in such a manner that a conveyance surface on which a sheet-shaped inspection object is conveyed is located on an upper surface side;a second conveyance unit which is arranged adjacent to the conveyance surface of the first conveyance unit along an inspection object conveyance direction in such a manner that a conveyance surface on which the sheet-shaped inspection object is conveyed is located on a lower surface side;a first inspection section which inspects an image on a front surface of the inspection ...

MEASURING DEVICE AND MEASURING METHOD

A measuring device is a measuring device that performs colorimetry of an evaluation patch formed on a medium and a paper white patch that is a portion exposed by the medium. The measuring device has a light source portion that irradiates the medium with an illumination light, a measurement portion that acquires an amount of light from the medium as a measurement value, a memory that holds a paper white standard value that is a reference measurement value of the paper white patch, and a colorimetry unit that corrects a measurement value of the evaluation patch based on the measurement value of the paper white patch and the paper white standard value. Even in a case where a measurement position is changed, a reflectance of the evaluation patch is accurately calculated and a chromaticity of the evaluation patch can be accurately acquired. 1. A measuring device that measures colors of an evaluation patch formed in a measuring object and a paper white patch which is a portion that the measuring object is exposed , the device comprising:a light source that irradiates the measuring object with an illumination light;a measurement portion that acquires an amount of light from the measuring object as a measurement value;a storage portion that holds a paper white standard value that is a reference measurement value of the paper white patch; anda correction portion that corrects the measurement value of the evaluation patch based on the measurement value of the paper white patch and the paper white standard value.2. The measuring device according to claim 1 , further comprising:a standard white plate,wherein the storage portion further holds a standard white value that is the reference measurement value of the standard white plate, andwherein the correction portion corrects the measurement value of the evaluation patch based on the measurement value of the standard white plate and the standard white value.3. The measuring device according to claim 1 , further comprising:a ...

Method and device for the control and management of the printing parameters of a printing machine, particularly with a plurality of consecutive printing processes

A device and method for the control and management of the printing parameters of a printing machine, particularly with a plurality of consecutive printing processes, is presented. The device and method include at least one video camera associable with a printing and conversion assembly and movable along a motorized guide in order to acquire a print medium. An image processor is functionally associated with the video camera to search, recognize and measure on the image of the print medium acquired by the video camera the printing values of at least one reference register mark reproduced on the print medium. The image processor is functionally connected to a unit for the actuation of the printing and conversion assembly to correct and restabilize the printing values according to the difference between the printing values measured by the image processor and the desired theoretical printing values.

IMAGE INSPECTION APPARATUS AND COMPUTER-READABLE RECORDING MEDIUM STORING A PROGRAM

An image inspection apparatus includes: an acquirer that acquires a targeted image to form an image; an alignment calculator that calculates a correction parameter in order to align a targeted image with a read image; an alignment corrector that corrects at least one of a targeted image and a read image by using the correction parameter; and an image inspector that determines a flaw in a read image based on a difference between the targeted image and the read image corrected by the alignment corrector. The alignment corrector saves the correction parameter on a page basis and uses the correction parameter corresponding to a page including an image when aligned. 1. An image inspection apparatus that reads an image formed on paper by an image forming apparatus , acquires a read image , and inspects the read image , the image inspection apparatus comprising:an acquirer that acquires a targeted image for the image forming apparatus to form an image;an alignment calculator that calculates a correction parameter to align the targeted image with the read image;an alignment corrector that corrects at least one of the targeted image and the read image by using the correction parameter; andan image inspector that determines a flaw in the read image based on a difference between the targeted image and the read image corrected by the alignment corrector,wherein the alignment corrector saves the correction parameter on a page basis and uses the correction parameter corresponding to a page including an image when aligned.2. The image inspection apparatus according to claim 1 ,wherein the alignment corrector performs:a variable magnification process that variably magnifies at least one of the targeted image and the read image in order to correct a size error between the targeted image and the read image;a shift process that shifts at least one of the targeted image and the read image; anda rotation process that rotates at least one of the targeted image and the read image.3. The ...

CALCULATION OF LAYER THICKNESS

Processing circuitry includes circuitry to receive data, where the data is indicative of a measurement of a region of a substrate, the region having a first layer, and a second layer, and the first and second layers are provided one above the other with respect to the substrate. The measurement being indicative of an optical parameter associated with the first layer. The processing circuitry further includes circuitry to calculate a thickness of the second layer based on the received data. 1. Processing circuitry comprising:circuitry to receive data, the data indicative of a measurement of a region of a substrate, the region having a first layer, and a second layer, the first and second layers provided one above the other with respect to the substrate, the measurement indicative of an optical parameter associated with the first layer;circuitry to calculate a thickness of the second layer based on the received data.2. The processor of claim 1 , wherein the circuitry to receive data is further to receive data indicative of a reference measurement indicative of an optical parameter of the first layer in the absence of the second layer.3. The processor of claim 2 , wherein the circuitry to calculate is arranged to determine a difference (≢) between the optical parameter associated with the first layer and the optical parameter of the first layer in the absence of the second layer claim 2 , and the calculation of the thickness of the second layer is based on Δ.4. The processor of claim 3 , wherein the calculation of the thickness of the second layer is based on a comparison between the determined Δ and a predetermined relationship.5. The processor of claim 1 , wherein the second layer is transparent.6. A printer comprising the processing circuitry of claim 1 , wherein the measurement and calculation are made in-line with the printer.7. An imaging system comprising:A measurement device including a light source and a sensor, the sensor arranged to perform a measurement ...

Device for Inspecting Printed Images

An apparatus for inspecting images is disclosed. In an embodiment an apparatus includes a camera for recording a surface of a printed product, the printed product being movable relative to the apparatus, a first illumination unit of a first type for illuminating a first partial region of a region that is capturable by the camera, a second illumination unit of a second type for illuminating a second partial region of the region that is capturable by the camera, and an evaluation unit for processing image information captured by the camera, wherein the first illumination unit differs from the second illumination unit, and wherein the first illumination unit forms a diffuse illumination source and has an internally illuminated tunnel. 111-. (canceled)12. An apparatus for inspecting printed images comprising:a camera for recording a surface of a printed product, the printed product being movable relative to the apparatus;a first illumination unit of a first type for illuminating a first partial region of a region that is capturable by the camera;a second illumination unit of a second type for illuminating a second partial region of the region that is capturable by the camera; andan evaluation unit for processing image information captured by the camera,wherein the first illumination unit differs from the second illumination unit, andwherein the first illumination unit forms a diffuse illumination source and has an internally illuminated tunnel.13. The apparatus as claimed in claim 12 , wherein the second illumination unit is arranged to illuminate the printed product on a side that faces away from the camera.14. The apparatus as claimed in claim 12 , wherein the second illumination unit is arranged outside the tunnel for illuminating a partial region of the region that is capturable by the camera outside the tunnel.15. The apparatus as claimed in claim 12 , wherein the second illumination unit forms a directional light source.16. The apparatus as claimed in claim 15 , ...

METHOD FOR TRANSFERRING AND/OR FIXATING A PRINT ON(TO) A SUBSTRATE IN A DEVICE FOR TRANSFER AND/OR FIXATION

A method for transferring and/or fixating a print on(to) a substrate includes feeding a substrate through a device for transfer and/or fixation for the purpose of transferring thereto and/or fixating thereon a print, where the substrate has been provided or is provided with a number of basic colours and optional dilutions thereof, comparing the basic colours and the optional dilutions thereof of the substrate to registered verification basic colours and optional dilutions thereof, and approving or not approving the substrate on the basis thereof, and/or comparing basic colours and optional dilutions thereof of a print paper, to be fed through with the substrate with a print to be transferred and said basic colours and optional dilutions thereof to registered print basic colours and optional dilutions thereof, and approving or not approving the print paper on the basis thereof. 1. A method for transferring and/or fixating a print on(to) a substrate in a device for transfer and/or fixation , comprising:a) feeding a substrate through a device for transfer and/or fixation for the purpose of transferring thereto and/or fixating thereon a print, wherein the substrate has been provided or is provided with a number of basic colours and dilutions thereof;and at least one of:b) comparing the basic colours and the dilutions thereof of the substrate to registered verification basic colours and dilutions thereof before and/or after step a), and approving or not approving the substrate on the basis thereof, andc) comparing basic colours and dilutions thereof of a print paper, to be fed through with the substrate in step a), with a print to be transferred and said basic colours and dilutions thereof to registered print basic colours and dilutions thereof before step a), and approving or not approving the print paper on the basis thereof.2. The method according to claim 1 , wherein the basic colours and dilutions thereof in step a) have been or are provided on an edge claim 1 , ...

INSPECTION SYSTEM FOR IN-LINE INSPECTION OF PRINTED MATERIAL PRODUCED ON AN INTAGLIO PRINTING PRESS

There is described an inspection system () for in-line inspection of sheet or web material on an intaglio printing press, wherein the inspection system comprises an optical quality control apparatus for carrying out inspection of a printed area on a printed side of the sheet or web material, the optical quality control apparatus including a camera system () with one or more camera units each comprising at least one line-scan camera () for scanning and acquiring an image of the printed area while the sheet or web material is being transported in the intaglio printing press past the camera system (). A location of the at least one line-scan camera () in the intaglio printing press along a delivery path of the sheet or web material is such that cyclical vibrations that spread periodically throughout the intaglio printing press during operation of the intaglio printing press do not occur while the camera system () is scanning the printed area of the sheet or web material and acquiring a complete image of the printed area. 1. An inspection system for in-line inspection of sheet or web material on an intaglio printing press ,wherein the inspection system comprises an optical quality control apparatus for carrying out inspection of a printed area on a printed side of the sheet or web material, the optical quality control apparatus including a camera system with one or more camera units each comprising at least one line-scan camera for scanning and acquiring an image of the printed area while the sheet or web material is being transported in the intaglio printing press past the camera system,wherein a location of the at least one line-scan camera in the intaglio printing press along a delivery path of the sheet or web material is such that cyclical vibrations that spread periodically throughout the intaglio printing press during operation of the intaglio printing press do not occur while the camera system is scanning the printed area of the sheet or web material and ...

QUALITY CONTROL STATION WITH CAMERA CALIBRATION SYSTEM FOR SHEET ELEMENT PROCESSING MACHINE

A quality control station () for a sheet element processing machine, the station having at least one camera () arranged for capturing images of sheet elements () transported through the quality control station (), and further having a camera calibration system (). The camera calibration system () having a target holder () for holding an optical target (), and a drive () for the target holder (). The drive () is adapted for displacing the target holder () between a rest position, in which it is outside of the viewing area () of the camera (), and a calibration position in which it is arranged in the viewing area () of the camera (). 1. A quality control station for a sheet element processing machine , comprising:at least one camera arranged for capturing images of sheet elements transported through the quality control station, the camera having a viewing area;a camera calibration system having a target holder configured for holding an optical target; anda drive for the target holder, the drive being configured for displacing the target holder between a rest position, in which the target holder is outside of the viewing area of the camera, and a calibration position in which the target holder is arranged in the viewing area of the camera.2. The quality control station of claim 1 , wherein the drive includes a guide element extending transversely to the direction of transportation of the sheet elements and across the entire width of a passage along which the sheet elements are being transported.3. The quality control station of claim 2 , wherein the guide element is a pneumatic or hydraulic rod on which a moveable driven element is arranged.4. The quality control station of claim 2 , wherein the guide element is a screw driven by a motor claim 2 , on which a moveable driven element is arranged.5. The quality control station of claim 2 , further comprising a belt associated with the guide element and located and configured for advancing a driven element along the guide ...

METHOD OF CREATING MULTIPLE PATTERNS

A method of continuously imparting different visually detectable features to a plurality of articles is provided. The method includes providing a printing unit having two or more printing rolls each having a visually detectable pattern, wherein the printing process may fit rolls that are less than or equal to a maximum circumference. The method further includes providing a web having a print pitch that is greater than one half the maximum circumference, providing a first roll wherein the roll circumference is equal to the product pitch, and providing a second roll characterized in that the roll circumference is equal to either 0 Подробнее

PRINTING APPARATUS, PRINTING METHOD, AND MANUFACTURING METHOD OF PRINTED MATTER

Provided is a printing apparatus including a positioning unit that positions a print object, a printing unit that prints a predetermined print image on the print object after elapse of a predetermined standby time since the print object is positioned by the positioning unit, and a controller that adjusts the standby time depending on quality of the print image printed on the print object by the printing unit, and controls the printing unit so as to print the print image on a subsequent print object after the elapse of the adjusted standby time. 1. A printing apparatus comprising:a positioning unit that positions a print object;a printing unit that prints a predetermined print image on the print object after elapse of a predetermined standby time since the print object is positioned by the positioning unit; anda controller that adjusts the standby time depending on quality of the print image printed on the print object by the printing unit, and controls the printing unit so as to print the print image on a subsequent print object after the elapse of the adjusted standby time.2. The printing apparatus according to claim 1 ,wherein the controller lengthens the standby time, when the quality of the print image is lower than predetermined quality.3. The printing apparatus according to claim 2 ,wherein the controller adds a predetermined addition time to the standby time, when the quality of the print image is lower than the predetermined quality.4. The printing apparatus according to claim 1 ,wherein the controller lengthens the standby time, as the quality of the print image becomes lower.5. The printing apparatus according to claim 1 ,wherein the controller shortens the standby time, when the quality of the print image is higher than a predetermined quality.6. The printing apparatus according to claim 5 ,wherein the controller subtracts a predetermined subtraction time from the standby time, when the quality of the print image is higher than the predetermined quality.7 ...

COLORIMETRIC VALUE DETECTION SYSTEM AND COLORIMETRIC VALUE DETECTION METHOD

A colorimetric value detection system detects a colorimetric value at a colorimetric position of a printed material using a colorimeter, and the colorimetric value detection system includes: a hardware processor that: calculates an output color of an object at the colorimetric position on the basis of target profile information of a printing device and object information of the printed material; and compares the colorimetric value of the colorimeter with the output color calculated by the hardware processor, wherein the colorimetric value of an object or at a position desired by a user is specified from a degree of coincidence of phase profiles of the colorimetric value. 1. A colorimetric value detection system that detects a colorimetric value at a colorimetric position of a printed material using a colorimeter , the colorimetric value detection system comprising:a hardware processor that:calculates an output color of an object at the colorimetric position on the basis of target profile information of a printing device and object information of the printed material; andcompares the colorimetric value of the colorimeter with the output color calculated by the hardware processor, whereinthe colorimetric value of an object or at a position desired by a user is specified from a degree of coincidence of phase profiles of the colorimetric value.2. The colorimetric value detection system according to claim 1 , whereinthe colorimetric value is a one-dimensional colorimetric value measured by a manual colorimeter and accumulated or a one-dimensional colorimetric value extracted from a two-dimensional colorimetric value measured by an automatic colorimeter.3. The colorimetric value detection system according to claim 1 , whereinthe phase profile is two-axis data of positional information of the colorimetric position and color information of a color space corresponding to each positional information.4. The colorimetric value detection system according to claim 1 , wherein ...

METHOD OF PRESENTING MEASUREMENT POSITION, METHOD OF MANUFACTURING MEASUREMENT POSITION PRESENTATION GUIDE, METHOD OF MEASURING PRINT MATERIAL, METHOD OF DETERMINING MEASUREMENT POSITION OF PRINT MATERIAL, AND DEVICE FOR DETERMINING MEASUREMENT POSITION OF PRINT MATERIAL

A measurement position presentation guide indicating a measurement position of the print material is generated on the basis of the print image data. To achieve the second object, print image data is analyzed to extract a plurality of measurement candidate regions that are candidates of a measurement position. The number of measurement positions to be allocated to each of a plurality of measurement candidate region groups of which image signal values are different is determined. The measurement candidate region group of which the image signal value is within a predetermined range with respect to the measurement candidate region group to which the measurement position has been allocated is excluded from targets of allocation of the measurement position. 1. A method of manufacturing a measurement position presentation guide , the method comprising:a determination step of determining a measurement position for measuring quality of a print material on which an image based on print image data is printed, in advance; anda generation step of generating a measurement position presentation guide indicating the measurement position of the print material on the basis of the print image data,wherein the generation step includes generating the measurement position presentation guide including a printing surface on which the image is printed and a measurement region formed on the printing surface and indicating a measurement position,wherein the generation step includes forming an edge image obtained by extracting an edge of the image, on the printing surface.2. The method of manufacturing a measurement position presentation guide according to claim 1 ,wherein the generation step includes comparing a size of the image of the print image data with a size of the image printed on the print material on the basis of the print image data to calculate a scaling factor of the size of the image printed on the print material to the size of the image of the print image data, performing a ...

AUTOMATIC QUALITY INSPECTION MACHINE AND CONTROL METHOD THEREOF

The present invention has disclosed an automatic quality inspection machine and a control method thereof, which relates to the technical field of inspection devices. The machine comprises a frame, an unrolling device provided at the frame, an inspection mechanism, a button operating platform for removing a defective roll-type printing product, a slitting mechanism, a main controller, a display device, and a rolling device. The rolling device includes a first rolling mechanism and a second rolling mechanism, the first rolling mechanism includes a first rolling airshaft and a first outgoing feed roller corresponding to the first rolling airshaft; the second rolling mechanism includes a second rolling airshaft and a second outgoing feed roller corresponding to the second rolling airshaft. The automatic quality inspection machine has a number of advantages including multifunctional, highly automatic, and high inspection accuracy; the machine could quickly replace rolls and could effectively increase production efficiency. 1. An automatic quality inspection machine , wherein it comprises a frame , an unrolling device provided at the frame , an inspection mechanism , a button operating platform for removing a defective roll-type printing product , a slitting mechanism , a main controller , a display device , and a rolling device; a paper movement route is provided between the unrolling device and the rolling device; the inspection mechanism , the button operating platform , and the slitting mechanism are provided at the paper movement route along a paper movement direction; a number of guiding rollers are provided along the paper movement route;the inspection mechanism includes a camera for photographing a roll-type printing product, a light source for assisting the camera, and a case; the camera and the light source are provided in the case; the case and the paper movement route correspond to each other; the inspection mechanism and the display device are respectively ...

PRINTING SYSTEM AND METHOD FOR DEFECT DETECTION IN A PRINTING SYSTEM

A printing system comprising an apparatus for defect detection in a printing system. The printing system comprises, an image forming device, a sensing unit for sensing a surface geometry of a sheet to be printed and for generating data representative of that surface geometry, a processor device for processing the data; and a controller for controlling further progress of the sheet along a transport path of the printing system in dependence upon the deformations in the surface geometry of the sheet detected and classified by the processor device. The operating conditions the sheet is exposed to at the sensing unit are similar to the operating conditions the sheet is exposed at the image forming. 1. A printing system comprising an apparatus for defect detection in a printing system , the printing system comprising:an image forming device;a sensing unit comprising at least one first sensor device for sensing a surface geometry or topology of a sheet to be printed as the sheet travels on a transport path of the printing system and for generating data representative of that surface geometry or topology;a processor device for processing the data from the first sensor device to detect and classify deformations in the surface geometry or topology of the sheet; anda controller for controlling further progress of the sheet along the transport path of the printing system in dependence upon the deformations in the surface geometry or topology of the sheet detected and classified by the processor device,wherein the operating conditions in the sensing unit are controlled to be similar to the operating conditions in the image forming device.2. An apparatus according to claim 1 , wherein the operating conditions include at least one selected from the group of humidity claim 1 , temperature claim 1 , orientation claim 1 , atmospheric composition claim 1 , holding force claim 1 , holding means claim 1 , and transport means.3. An apparatus according to claim 1 , wherein the image ...

Method for the Online Quality Control of Decorative Prints on Substrate Materials

The invention relates to a method for online quality control of decorative prints on substrate materials, including similarity comparisons of actual and target images and adjusting decorative prints if deviations of color values are detected. The method may include the steps of: a) producing a hyperspectral digital image of a print decoration; b) calibrating the print decoration via a hyperspectral digital image; c) producing and storing a digital target image of the print decoration; d) creating a first print decoration on a first substrate material; e) producing and storing a digital actual image of the printed decoration on the first substrate material; f) determining color deviations between the digital target image and the digital actual image via a computer program; and g) printing on at least one side of substrate materials so as to form a decorative layer. The invention also relates to a device for carrying out the method. 115-. (canceled)16. A method for online quality control of decorative prints on substrates , comprising a similarity comparison of an actual image and a target image of print decors and an adjustment of the decorative print when deviations of color values of the actual image from color values of the target image are detected during production of a batch of substrates with a decorative layer , wherein the method comprises the steps of:a) generating at least one hyperspectral digital image of a print décor;b) calibrating the print decor by means of the at least one hyperspectral digital image by generating an average hyperspectral digital image of the print decor, the display of which requires a high computing power and a high storage capacity;c) generating and storing a digital target image of the print decor by converting the average hyperspectral digital image of the print decor into an image file in L*a*b or L*C*h color space with a resolution in the range of 4 to 36 megapixels;d) creating at least one first print decor on at least one ...

INSPECTION SYSTEM FOR INSPECTING THE QUALITY OF PRINTED SHEETS

There is described an inspection system () for inspecting the quality of printed sheets which are transported by a sheet conveyor system comprising at least one sheet gripper system () including a plurality of spaced-apart gripper bars () for holding the printed sheets by a leading edge thereof. The inspection system () comprises an optical quality control apparatus for carrying out inspection of a first side of the printed sheets while the printed sheets are being transported by the sheet gripper system (). The optical quality control apparatus includes a line camera () for scanning the first side of the printed sheets at an inspection location which is situated at a location proximate to a portion of the sheet gripper system () where the gripper bars () transporting the printed sheets undergo a change of direction of displacement while the printed sheets are still being scanned by the line camera (). The inspection system () further comprises a suction roller () that is placed in front of the optical path (B) of the line camera () along the path (A) of the printed sheets being transported by the sheet gripper system (), which suction roller () contacts a second side of the printed sheets opposite to the first side which is being scanned by the line camera (), the suction roller () being driven at a selected circumferential speed to drive successive portions of the printed sheets being inspected by the quality control apparatus at a determined and controlled speed past the line camera (). 1. An inspection system for inspecting the quality of printed sheets which are transported by a sheet conveyor system comprising at least one sheet gripper system including a plurality of spaced-apart gripper bars for holding the printed sheets by a leading edge thereof , said inspection system comprising an optical quality control apparatus for carrying out inspection of a first side of the printed sheets while the printed sheets are being transported by the sheet gripper system ...

Apparatus for Inspecting Printed Images and Method for Validating Inspection Algorithms

The invention relates to an apparatus for inspecting printed images for a printing or finishing machine with continuously moving printed products with an image detection device () with at least one camera (), which is set up to detect a multi-line section of a recording region (). In accordance with the invention, the device is characterized by an evaluation device () which is set up to process at least two partial areas of the multi-line section as one strip image each, and has a validation mode in which at least two strip images of a test image are compared with each other to check whether deviations of the strip images are detected. In a method according to the invention for validating the inspection algorithms, a stencil () is placed in a recording region () of the device () for print image inspection, at least two multi-line strip images are acquired and compared with each other to determine whether deviations between a first and a second pattern are detected. 11. An apparatus () for inspecting printed images for a printing or finishing machine with continuously moving printed products with{'b': 3', '7', '5, 'an image acquisition device () with at least one camera () which is set up to acquire a multi-line section of a recording region (),'}{'b': '8', 'claim-text': [{'b': 32', '33, 'is set up to process at least two sub-areas of the multi-line section as one strip image (, ) each, and'}, 'has a validation mode in which at least two strip images of a test pattern are compared to each other to check whether deviations of the strip images are detected., 'characterized by an evaluation device (), which'}2. The apparatus according to claim 1 ,characterized in that the at least two strip images are acquired in a single shot.3. The apparatus according to claim 1 ,{'b': 6', '8, 'characterized in that a control device () is arranged to set the evaluation device () into the validation mode according to a predetermined time scheme.'}4. The apparatus according to claim 1 ...

PRINT QUALITY EXAMINATION DEVICE

A print quality examination device is provided in a printing machine () provided with a printing unit () that performs printing on a mirror-reflection member () of a sheet () to which the mirror-reflection member () is added. The print quality examination device of the printing machine is provided with an examination camera () that images a picture printed on the sheet (), a light source () that irradiates the sheet () with light, and a print quality examination unit () that examines the quality of the picture printed by the printing unit () based on image data imaged by the examination camera (). The examination camera () or the light source () is configured to be movably supported on an arc about a detection point (P) imaged by the examination camera () for the sheet (). 1. A printing-quality checking device provided to a printing press including a printing unit that performs printing on a specular reflection member provided to a printed product , the printing-quality checking device including:a light source that applies light to the printed product;an imaging device that images a pattern printed on the printed product; anda printing-quality checking unit that checks quality of the pattern printed by the printing unit, based on image data captured by the imaging device,the printing-quality checking device characterized in thatthe imaging device or the light source is supported to be movable along an arc centered at a detection point on the printed product imaged by the imaging device.2. The printing-quality checking device according to claim 1 , wherein the printing-quality checking device further comprises:a support member that supports the imaging device or the light source; anda guiding member that guides the support member along the arc.3. The printing-press printing-quality checking device according to claim 2 , wherein a support plate which supports the imaging device or the light source, and', 'guide members which are fixed to axially opposite sides of the ...

SYSTEM AND METHOD FOR CONTROLLING COLOR CHARACTERISTICS OF A PRINTED IMAGE

A method controls the color in a printing press, which includes at least one printing station printing a respective color design. The method includes the procedures of determining a control factor to color model, printing a design on a web and acquiring color characteristics corresponding to the printed design on the web. The method further includes the procedures of determining the color quality of the printed color design and determining a required change to at least one control factor when a correction to the color characteristics of the printed design is required. The change to at least one control factor is determined by determining the at least one control factor with respective color related information, which results in a reference color characteristic, according to the control factor to color model. The method returns to the procedure of printing when a correction is not required. 1. A method for controlling color in a printing press , said printing press including at least one printing station printing a respective color design , the method comprising the procedures of:determining a control factor to color model, said control factor to color model defining variations in color related information of a printed design as a function of changes in at least one control factor, said at least one control factor includes pressure between rollers in said printing press;printing a design on a web;acquiring color characteristics corresponding to the printed design on the web;determining the color quality of the printed color design; anddetermining a required change to at least one control factor when a correction to the color characteristics of the printed design is required, said change to at least one control factor being determined by determining the at least one control factor with respective color related information, which results in a reference color characteristic, according to said control factor to color model.2. The method according to further including the ...

VERIFICATION APPARATUS, CONTROL METHOD THEREFOR, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

A verification apparatus comprises setting a feature point of a reference image as a verification target image, and a reference region of a predetermined pattern formed in advance on a recording medium on which the verification target image is to be formed; extracting the set feature point from a read image obtained by reading a formed image; specifying, based on a positional relationship between the set feature point and the reference region, from an image position of the extracted feature point, a first region on the read image, which indicates a region where the predetermined pattern should have been formed, and a second region other than the first region of the read image; and performing verification for the first region by a first algorithm, and verification for the second region by a second algorithm.

METHOD FOR TESTING THE RELIABILITY OF ERROR DETECTION OF AN IMAGE INSPECTION METHOD

A method for testing the reliability of an error detection of an image inspection method by using a computer includes producing a defective test image by superposing specific error elements on an error-free reference image, carrying out the image inspection method with the defective test image, comparing the errors found by the image inspection method with the error set to be expected with the aid of the known errors added to the test image, and evaluating the reliability of the image inspection method with the aid of the difference between found and expected errors. 1. A method for testing the reliability of error detection of an image inspection method using a computer , the method comprising the following steps:producing a defective test image by superposing specific known error elements on an error-free reference image;carrying out the image inspection method with the defective test image;comparing errors found in the image inspection method with an error set to be expected with the aid of the known error elements added to the test image; andevaluating the reliability of the image inspection method with the aid of a difference between the found and expected errors.2. The method according to claim 1 , wherein the reliability test is an optional component of the image inspection method to be tested claim 1 , which can be activated and deactivated manually.3. The method according to claim 1 , wherein the image inspection method with the reliability test is a component of a printing process for a printing machine.4. The method according to claim 3 , wherein the error-free reference image results from prepress data of a printing job.5. The method according to claim 3 , wherein the error-free reference image results from digital data of a scanned printed image having been produced in the printing machine in accordance with a printing job.6. The method according to claim 1 , wherein the error elements constitute points or surfaces of maximally varied sizes and ...

Image inspection device, image formation device, image inspection method, and non-transitory recording medium storing a computer readable program

To perform an image inspection even when an image formation device performs image processing or image editing. An image inspection device according to one aspect of the present invention includes: an image reader that reads a sheet formed with an image formed by an image former to acquire a read image; a document image acquisition portion that acquires a document image; an inspection target region specifier that specifies a print region in a recording material based on an image formation condition for a document image and specifies an inspection region in the read image based on the specified print region; and an image inspector that compares an image in an inspection region with an image in an inspection-region comparable region corresponding to the inspection region in the document image.

SOLDER INSPECTION APPARATUS AND METHOD OF GENERATING FEEDBACK INFORMATION OF SOLDER INSPECTION APPARATUS

A feedback information generation method for a solder inspection apparatus includes: receiving an input of information on the number of buffers which are disposed between the solder inspection apparatus and a screen printer for printing solder on printed circuit boards and are configured to support the printed circuit boards to be introduced into the solder inspection apparatus so as to put the printed circuit boards on standby; generating feedback information by using the input information and an inspection result of the printed circuit boards by the solder inspection apparatus; and transmitting the feedback information to the screen printer. Feedback information may be generated in consideration of the number of buffers, thereby preventing the feedback information from being excessively generated as well as ensuring the accuracy of the feedback information. 1. A method of generating feedback information of a solder inspection apparatus , the method comprising:receiving, by a user interface unit of the solder inspection apparatus, an input of information on the number of buffers, which are disposed between a screen printer configured to print solder on printed circuit boards and the solder inspection apparatus, the buffers being configured to support the printed circuit boards that are to be introduced into the solder inspection apparatus so as to put the printed circuit boards on standby;generating, by a feedback information generation unit of the solder inspection apparatus, feedback information by using the input of information on the number of buffers and an inspection result of the printed circuit boards by means of the solder inspection apparatus; andtransmitting, by a transmission unit of the solder inspection apparatus, the generated feedback information to the screen printer.2. The method according to claim 1 , wherein generating the feedback information comprises:calculating, by the feedback information generation unit, a correction ratio that is an ...

Verfahren zur Kontrolle eines Tiefdruckverfahrens

Rotary printing press

Ink measuring device, in particular for printing machines

The invention relates to an ink measuring device for taking measurements on an endless web (10), in particular in printing machines, comprising a rotatable backing roller (22), over the circumferential surface of which the web (10) is guided, and comprising an ink measuring head (20) which is oriented towards the web (10) on the backing roller (22). The invention is characterized in that the circumferential surface of the backing roller (22) is formed by a replaceable cover.

Method for operating a quality control system for a sheet-fed rotary printing press

Verfahren zum Betrieb eines Qualitätskontrollsystems in einer Bogenrotationsdruckmaschine, welches aus einem Inspektionssystem mit einer Kamera zur Aufnahme eines Druckbildes auf einem Bedruckstoff mit mehreren Nutzen besteht, wobei die aufgenommenen Daten des Druckbildes mit einer Bildverarbeitungseinrichtung (1) verarbeitet werden und die erfassten Daten zur Fehlerermittlung mit einem Referenzdatensatz abgeglichen werden, gekennzeichnet dadurch, dass das Bildverarbeitungssystem dazu ausgebildet ist, in einfacher Weise die Koordinaten eines Fehlers auf dem Bedruckstoff zu ermitteln und die Fehlerkoordinaten als X-Y-Koordinaten, die die Lage des Fehlers auf dem Bedruckstoff kennzeichnen, auszugeben, wobei die X-Koordinate über die Breite des Bedruckstoffes durch die Lage eines Pixels des Fehlers in der aufgenommenen Zeile und die Y-Koordinate in Bogentransportrichtung durch einen entsprechenden Zählimpuls eines Drehimpulsgebers bestimmt wird, dass ein Ansteuerungsrechner (2) zur Ansteuerung einer Beschriftungs- und/oder Markierungseinrichtung (7) zur Beschriftung oder Markierung von einzelnen Nutzen während des Drucklaufs durch die Druckmaschine vorgesehen ist, an den die Fehlerkoordinaten in geeigneter Weise ausgegeben werden, wobei in dem Ansteuerungsrechner (2) der Beschriftungs- und/oder Markierungseinrichtung (7) die Zuordnung des Fehlers zu einem einzelnen, als Faltschachtel augestalteten Nutzen ausgeführt wird, indem ein Vergleich mit einem Datensatz (3) der Nutzenkontur und der Nutzenaufteilung auf dem Druckbogen erfolgt, und dass die Nutzenkontur und die Nutzenaufteilung (3) auf dem Druckbogen, die dem Ansteuerungsrechner (2) der Beschriftungs- und/oder Markierungseinrichtung (7) in geeigneter Weise, zum Beispiel über eine Datenleitung oder einem Datenträger, zur Verfügung gestellt werden, aus Vorstufendaten gewonnen werden, die zur Erstellung einer Stanzform erzeugt werden. Method for operating a quality control system in a sheet-fed rotary printing press, ...

Patent JPH0251733B2

PRINTING WITH MEDIA ROLL CHANGES AND NONPRODUCTION FRAMES

In an example of the disclosure, first and second print jobs are received at a printer. The first and second print jobs each include production frames. The first and second print jobs are printed with a media roll change occurring during printing. A first finishing device information nonproduction (“FDIN”) frame and a second FDIN frame are printed. The first and second FDIN frames include coded information regarding the first print job and the second print job, respectively. The coded information is for reading by a scanner at a finishing device. A press calibration nonproduction (“PCN”) frame that includes a printer calibration diagnostic is printed. A scanner at the printer is caused to capture the printer calibration diagnostic. A calibration operation is performed at the printer utilizing data or attributes captured from the printer calibration diagnostic. 1. A printing method utilizing media roll changes and nonproduction frames , comprising:receiving at a printer first and second print jobs; wherein the first and second print jobs each include production frames;printing the first and second print jobs with a media roll change occurring during printing;printing a first finishing device information nonproduction (“FDIN”) frame and a second FDIN frame, the first and second FDIN frames including coded information regarding the first print job and the second print job, respectively, wherein the coded information is for reading by a scanner at a finishing device;printing a press calibration nonproduction (“PCN”) frame that includes a printer calibration diagnostic;causing a scanner at the printer to capture the printer calibration diagnostic; andperforming a calibration operation at the printer utilizing data or attributes captured from the printer calibration diagnostic.2. The method of claim 1 , further comprising determining the media roll change is to occur during printing based upon one from the set of a received print job manifest claim 1 , an observed ...

Audio encoder and bandwidth extension decoder

FIELD: physics, acoustics. SUBSTANCE: invention relates to means of generating an equalised multichannel audio signal. An audio encoder for obtaining an output signal using an input audio signal comprises a patch generator, a comparator and an output interface. The patch generator generates at least one bandwidth extension signal, having a high-frequency band. The high-frequency band of the bandwidth extension signal is based on a low frequency band of the input audio signal. A comparator calculates a plurality of comparison parameters. A comparison parameter is calculated based on a comparison of the input audio signal and a generated bandwidth extension signal. Each comparison parameter of the plurality of comparison parameters is calculated based on a different offset frequency between the input audio signal and a generated high bandwidth signal. Further, the comparator determines a comparison parameter from the plurality of comparison parameters, wherein the determined comparison parameter satisfies a predefined criterion. EFFECT: improved signal encoding quality at high bit rate. 17 cl, 22 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК G10L 21/02 (13) 2 523 035 C2 (2013.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2011126331/08, 11.12.2009 (24) Дата начала отсчета срока действия патента: 11.12.2009 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 10.01.2013 Бюл. № 1 (45) Опубликовано: 20.07.2014 Бюл. № 20 (73) Патентообладатель(и): Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. (DE) 1636791 B1, 07.03.2007. RU 2323469 C2, 27.04.2008. RU 2325708 C2, 27.05.2008. RU 2005106296 A, 27.08.2005 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 27.06.2011 2 5 2 3 0 3 5 (56) Список документов, цитированных в отчете о поиске: US 2004028244 A1, 12.02.2004. EP R U 15.12.2008 US 61/122,522 (72) Автор(ы): НАГЕЛ Фредерик (DE), ДИШ Саша (DE), ФУХС Гильом (DE ...

METHOD AND DEVICE FOR LARGE-SCALE IMAGE INSPECTION

Method to control the inking in multicolour printing

The invention relates to a method for controlling the inking in multicolour printing using a newly defined dimension gained by ink measurements.

Control system for sheet printing machine for double-sided printing

FIELD: printing industry. SUBSTANCE: invention relates to the field of printing. Described system of sheets control, intended for sheet machine for double-sided printing of such type, comprises two printing cylinders, intended to do simultaneous double-sided printing of sheets, at the same time specified system of sheets control comprises at least the first control device to produce image of the first side of printed sheets. The first control device comprises the first linear shaper of image signals, intended to produce image of the first side of printed sheets by means of linear scanning. At the same time the first control device is arranged so that the first linear shaper of image signal visually produces image of printed sheet, while specified printed sheet still sticks to surface of the first of two printing cylinders of printing machine, and directly prior to displacement of specified printed sheet into chain system with grips provided in printing machine. Also printing machine equipped with control system is described. EFFECT: invention makes it possible to provide for efficient prevention of sheets smudging in process of control. 12 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 413 617 (13) C2 (51) МПК B41F 33/00 B41F 21/08 (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2008140520/12, 08.03.2007 (24) Дата начала отсчета срока действия патента: 08.03.2007 (73) Патентообладатель(и): КБА-ЖИОРИ С.А. (CH) (43) Дата публикации заявки: 20.04.2010 Бюл. № 11 2 4 1 3 6 1 7 (45) Опубликовано: 10.03.2011 Бюл. № 7 (56) Список документов, цитированных в отчете о поиске: ЕР 1142712 А1, 10.10.2001. RU 2089399 С1, 10.09.1997. US 2004173113 А1, 09.09.2004. US 2005249380 A1, 10.11.2005. WO 2005115759 A1, 08.12.2005. 2 4 1 3 6 1 7 R U (86) Заявка PCT: IB 2007/000564 (08.03.2007) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 14.10.2008 (87) ...

Method and device for compensating a material web offset during material web inspection

본 발명은 소재 웹 길이 및/또는 소재 웹 폭의 방향으로 이동하는 소재 웹을 위한 검사 시스템에서 소재 웹 오프셋을 보상하기 위한 방법 및 장치에 관한 것이다. 상기 방법은 이하의 단계를 포함한다: 매트릭스 칩을 포함하는 카메라에 의해 제1 시점에서 상기 소재 웹의 제1 섹션의 제1 리코딩을 작성하는 단계 및 상기 카메라에 의해 제2 시점에서 상기 소재 웹의 제2 섹션의 제2 리코딩을 작성하는 단계. 이때 상기 제1 리코딩을 위해 상기 매트릭스 칩의 제1 활성 소구역이 사용되고 상기 제2 리코딩을 위해 상기 매트릭스 칩의 제2 활성 소구역이 사용되며, 상기 제1 활성 소구역 및 상기 제2 활성 소구역은 동일하지 않다. The present invention relates to a method and apparatus for compensating a blank web offset in an inspection system for a blank web moving in the direction of the blank web length and/or the blank web width. The method comprises the steps of: making a first recording of a first section of the web of material at a first time by a camera comprising a matrix chip and of the web of material at a second time by the camera writing a second recording of the second section. wherein the first active subregion of the matrix chip is used for the first recording and the second active subregion of the matrix chip is used for the second recording, the first active subregion and the second active subregion are not the same .

Assessing quality of printed object produced by printer involves producing several examples of same printed object, selected limited number of examples, producing image data record, assessing using image data in relation to error type(s)

The method involves producing several examples of the same printed object, selected a limited number of examples, producing an image data record by inspecting the selected examples and assessing them using the image data in relation to at least one error type and at least one error peculiarity.

Device for checking printed matter, procedures for checking printed matter and program

Ein Gerät zum Prüfen eines Druckerzeugnisses, ein Verfahren zum Prüfen eines Druckerzeugnisses und ein Programm, die in der Lage sind, auf einfache Weise sowohl die Druckkostenverwaltung als auch die Qualitätskontrolle durchzuführen, werden vorgeschlagen. Dieses Ziel wird erreicht durch ein Gerät zum Prüfen eines Druckerzeugnisses einschließlich einer Bewertungsgrößen-Erfassungseinrichtung zum Prüfen mehrerer Druckerzeugnisse und zum Erfassen einer Bewertungsgröße, die die Qualität jedes Druckerzeugnisses angibt, einer Fehlprodukt-Höchstzahl-Erfassungseinrichtung zum Erfassen einer zulässigen Anzahl von Fehl- oder Ausschussprodukten unter den mehreren Druckerzeugnissen, einer Bestimmungskriterium-Bestimmungseinrichtung zum Bestimmen eines Bestimmungskriteriums, wonach die Anzahl von Fehlprodukten gleich oder kleiner ist als die Fehlprodukt-Höchstzahl und die Summe von Bewertungsgrößen akzeptierter Produkte zu einem Höchstqualitätswert wird, eine Akzeptiert- und Ausschuss-Bestimmungseinrichtung zum Bestimmen von Akzeptanz oder Ausschuss eines Druckerzeugnisses auf der Grundlage des Bestimmungskriteriums und der Bewertungsgröße jedes Druckerzeugnisses, und eine Ausgabeeinrichtung zum Ausgeben eines Bestimmungsergebnisses der Akzeptanz- und Ausschuss-Bestimmungseinrichtung. A printed matter inspecting apparatus, a printed matter inspecting apparatus, and a program capable of easily performing both print cost management and quality control are proposed. This object is achieved by an apparatus for inspecting a printed matter including a rating amount detecting means for checking a plurality of printed matters and detecting a rating value indicative of the quality of each printed matter, an erroneous product maximum detecting means for detecting an allowable number of defective or broke products the plurality of print products, a determination criterion determining means for determining a determination criterion, whereby the number of misses becomes equal to or less than ...

AUDIO CODER AND DECODER INCREASING THE FREQUENCY BAND

1. Аудиокодер (100), (400), (1500) для получения выходного сигнала (132) с использованием входного сигнала (101), включающий генератор патчей (110), который создает, как минимум один сигнал с полосой высоких частот (112), при этом сигнал (112) имеет полосу высоких частот; полоса высоких частот сигнала (112) создается на основе полосы низких частот входного аудиосигнала (102); если генерируются разные сигналы с полосами высоких частот (112), то сигналы (112) имеют разные частоты в рамках полос высоких частот;компаратор (120) вычисляет множество параметров сравнения, при этом параметр сравнения вычисляется на основе сравнения входного аудиосигнала (102) и созданного сигнала с полосой высоких частот (112); каждый параметр сравнения из множества параметров сравнения вычисляется на основе разной частоты смещения между входным аудиосигналом (102) и созданным сигналом с полосой высоких частот (112); компаратор (120) определяет один параметр сравнения из множества параметров сравнения так, чтобы выделенный параметр сравнения соответствовал заранее заданному критерию;выходной интерфейс (130) обеспечивает выходной сигнал (132) для последующей передачи или хранения, при этом выходной сигнал (132) включает параметр на основе частоты смещения, который соответствует определенному параметру сравнения.2. Аудиокодер по п.1, включающий компаратор плотности мощности (430), который сравнивает параметры на основе плотности мощности полосы высоких частот созданного сигнала с полосой высоких частот (112) и соответствующей полосы входного аудио сигнала (102) для получения параметра плотности мощности; параметр плотности мощности указывает на соотношение плотности мощности пол РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2011 126 331 (13) A (51) МПК G10L 21/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (71) Заявитель(и): Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен (DE) (21)(22) Заявка: 2011126331/08, 11.12.2009 Приоритет(ы): (30) Конвенционный ...

Gravure printing device

Provided is a gravure printing device capable of preventing hardening of ink. The gravure printing device according to an aspect of the present invention comprises: a frame; an ink tank arranged in the lower part of the frame to store ink; a printing roller which is coupled to the frame so that part of it is immersed in the ink tank while being positioned at the top of the ink tank and rotates in a direction so that a certain pattern of the ink is applied to a printing paper introduced into the top; a pressing roller which is coupled to the frame to be positioned at the top of the printing roller and rotates in a direction opposite to the printing roller to press the printing paper; a drying unit which is coupled to the frame to be positioned at the top of the pressing roller and dries the printing paper introduced therein; and a screw roller arranged inside the ink tank to rotate in a direction opposite to the printing roller.

A kind of machine vision method of offset printing process control

本发明公开了一种胶印过程控制的机器视觉方法，可用于机器视觉检测系统对印刷过程中的墨量进行检测和控制，属于印刷技术领域。该方法包括：(1)通过机器视觉系统获取目标印刷品的承印物的第一RGB颜色值和所述目标印刷品上测控条中每一种原色油墨对应的印刷色块的第二RGB颜色值；(2)根据所述第一RGB颜色值、所述第二RGB颜色值以及预设墨量计算关系式，确定所述目标印刷品的墨量值；(3)调取预设测控条数据，用所述预设测控条数据确定出与所述目标印刷品中每一种原色油墨对应的目标色块墨量值差，确定所述印刷状态的墨量调整量。本发明公开的方法和装置配合胶印机的控制系统可实现胶印过程的自动化控制。

DEVICE FOR CARRYING OUT A COMPREHENSIVE QUALITY CONTROL ON PRINT SHEETS

Colour matching desk for visual and measuring quality control of printed sheets - has X=Y control deflecting projector so that light beam covers while sheet area rapidly and photoelectric scanner supplying evaluating unit

The position of the scanner (5) is automatically detected. An overhead projector (7) directs a light beam (8) onto any selected position of the printed sheet (2) placed on the test desk (1). The projector is controlled by an X-Y deflection stage (9) so that the light beam rapidly covers all areas of the sheet. The scanner can be manually positioned on the sheet. The scanner, in the form of a hand-held densitometer, colour analyser or video measuring head, includes a photosensor (10) which immediately delivers a signal when the light beam impinges on it. The evaluating unit (11) assigned to the photosensor cooperates with the deflection stage and registers the position of the measuring spot from the deflection of the light beam at the time a signal is delivered from the photosensor. ADVANTAGE - Measuring at any point manually selected. This position is registered without hinderance of visual evaluation.

Quality control facility

Control system for web-fed printing press

A control system for a web fed printing press is disclosed. The control system is configured to adjust the set point of one or more controls of a press. The control system includes a lay down area (18) upon which an operator can place a check copy produced by the press for inspection. In order that the operator can indicate to the control system which control is to be adjusted, the control system includes an indicating device (22) that can be moved to a region of interest of the check copy (20). The position of the indicating device (22) is relayed to a control unit that can determine which one of many press controls must be adjusted in order to alter printing in that region.

Arrangement for representing data in machine for processing print material superimposes process data to be represented on print material in graphical form by means of projection device

The arrangement displays data for processes involving processing print material by graphically superimposing the data (13) to be represented on the print material (14) in graphical form by means of a projection device. The data to be projected are values for the opening of color zones in at least one color mechanism of a printing machine. AN Independent claim is also included for the following: (a) a print machine with an inventive arrangement.

Representation of data in a substrate processing machine

Verfahren zur Darstellung von Daten (13) bei Prozessabläufen in Bogen-Offsetdruckmaschinen (2) mittels eines Rechners (17), wobei eine Anzeige der Daten (13) auf einem Bildschirm (11) erfolgt, wobei ein bedruckter Bedruckstoff (14) auf dem Bildschirm (11) grafisch dargestellt wird und wobei diesem auf dem Bildschirm (11) grafisch dargestellten bedruckten Bedruckstoff (14) die darzustellenden Daten (13) grafisch überlagert werden, dadurch gekennzeichnet, dass Druckdaten (7) in einer Druckvorstufe in digitaler Form vorliegen, dass diese Druckdaten (7) im Rechner (17) verarbeitet werden und so der bedruckte Bedruckstoff (14) auf dem Bildschirm (11) angezeigt wird und dass die darzustellenden Daten (13) Werte für eine Öffnung von Farbzonen sind. Method for displaying data (13) during processes in sheet-fed offset printing machines (2) by means of a computer (17), the data (13) being displayed on a screen (11), with a printed substrate (14) on the screen (11) is graphically displayed and the data (13) to be displayed are graphically superimposed on this printed substrate (14) graphically displayed on the screen (11), characterized in that print data (7) are available in digital form in a prepress stage Print data (7) are processed in the computer (17) so that the printed substrate (14) is displayed on the screen (11) and that the data (13) to be displayed are values for an opening of ink zones.

Color measuring head positioning device

Die Erfindung betrifft eine Vorrichtung zur Positionierung eines Messkopfes (8) über einem Bedruckstoff (3) mit einer Anzeigevorrichtung (5) und einer motorisch angetriebenen Positionierungsvorrichtung (1) für den Messkopf (8), wobei die Positionierungsvorrichtung (1) für den Messkopf (8) von einem Rechner (4) ansteuerbar ist, welcher mit der Anzeigevorrichtung (5) verbunden ist. Die Erfindung zeichnet sich dadurch aus, dass auf der Anzeigevorrichtung (5) Messpunkte auswählbar sind und dass der Messkopf (8) durch die Positionierungsvorrichtung (1) in Abhängigkeit der ausgewählten Messpunkte positioniert wird. The invention relates to a device for positioning a measuring head (8) over a printing substrate (3) with a display device (5) and a motor-driven positioning device (1) for the measuring head (8), wherein the positioning device (1) for the measuring head (8 ) is controllable by a computer (4) which is connected to the display device (5). The invention is characterized in that measuring points can be selected on the display device (5) and that the measuring head (8) is positioned by the positioning device (1) as a function of the selected measuring points.

Device for checking an ink guide in an offset rotary printing machine by adjusting zonally divided ink metering elements from a control panel

Method for controlling operating or measuring processes in the production of a printed image applied to printed material used in printing machines uses a camera arrangement to recognize the objects or people covering the material

Method for controlling operating or measuring processes in the production of a printed image applied to printed material (6) comprises placing the printed material on a desk (2) so that a camera arrangement (1) recognizes the objects or people covering the printed material and carrying out the operating or measuring processes. An independent claim is also included for a device for carrying out the method. Preferred Features: Automatic recognition of the front and rear sides of the printed material is carried out using a camera and the digital image data. Operating elements (3) are arranged on a control stand (8) of a machine processing the printed material.

Product control device for press

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Method of checking a plate, particularly a plate cylinder

FIELD: physics.SUBSTANCE: invention relates to a method of checking a plate, in particular a plate cylinder, on the presence of defects of engraving of the plate, comprising the following steps: creating at least two faces using a plate, which must be checked, input of at least one digital image for each of said at least two faces using an image input module, comparing each of the digital images of said at least two faces with a plate pattern cliché pattern, wherein the comparison consists of the following steps: detecting deviations between each of the digital images and the cliché template, verifying that the detected deviations occur in a similar manner on the digital images of all said at least two faces, wherein the defect is indicated as imaginary, if no identical deviations between digital images of said at least two faces are found during comparison, and when finding the same deviations, the defect is indicated as an engraving defect in the plate.EFFECT: disclosed is a plate inspection method.10 cl, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 691 292 C1 (51) МПК B41F 33/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B41F 33/00 (2019.02) (21)(22) Заявка: 2018126818, 17.01.2018 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): МАТТЬЮС ИНТЕРНЭШНЛ ГМБХ (DE) Дата регистрации: 11.06.2019 (56) Список документов, цитированных в отчете о поиске: DE 102008059759 A1, 02.06.2010. EP 1673226 B1, 14.03.2012. DE 102007047086 A1, 30.04.2008. 16.03.2017 DE 102017105704.8 (45) Опубликовано: 11.06.2019 Бюл. № 17 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 20.07.2018 (86) Заявка PCT: 2 6 9 1 2 9 2 Адрес для переписки: 125009, Москва, ул. а/я 332, ООО "ИНЭВРИКА" C 1 C 1 DE 2018/100031 (17.01.2018) 2 6 9 1 2 9 2 Приоритет(ы): (30) Конвенционный приоритет: R U R U 17.01.2018 (72) Автор(ы): Даниель Шмидт (DE) (54) СПОСОБ ПРОВЕРКИ ФОРМНОЙ ПЛАСТИНЫ, В ЧАСТНОСТИ, ФОРМНОГО ...

Device for the inline monitoring of printing quality in sheet-fed offset printing presses

本发明涉及用于在印刷机(1)中印刷过程期间监测印刷质量的装置，该印刷机用于处理页张形式的承印材料(705)及具有至少一个印刷装置(4，5)、一个检测承印材料(705)的扫描装置(6)以及一个计算机(210，200)。本发明的特征在于，页张形式的承印材料(705)可由至少一个页张导引单元(100，101)引导使其经过扫描装置(6)。

Inspecting device for printed matter

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

METHOD FOR PRINT IMAGE QUALITY LEVEL MEASUREMENT AND DEVICE FOR ITS IMPLEMENTATION

1. Способ измерения уровня качества печатного изображения, включающий рабочие операции: ! обеспечения наличия подложки с печатным изображением на ней; ! получения цифрового изображения части печатного изображения посредством использования устройства для получения изображений; и ! измерения одной или большего количества физических характеристик полученного цифрового изображения таким образом, чтобы обеспечивать наличием показания уровня качества печатного изображения. ! 2. Способ по п.1, отличающийся тем, что печатное изображение включает в себя образец с множеством проверочных элементов, и способ включает в себя получение цифрового изображения множества проверочных элементов. ! 3. Способ по п.2, отличающийся тем, что при наличии одного или большего количества измеренных физических характеристик измеряют площадь, занимаемую каждым из проверочных элементов, при этом он включает в себя дополнительную рабочую операцию сравнения этой измеренной площади с оптимальной величиной площади. ! 4. Способ по п.2, отличающийся тем, что проверочные элементы являются кругообразными. ! 5. Способ по п.4, отличающийся тем, что дополнительная измеренная физическая характеристика является функцией кругообразной формы для каждого проверочного элемента, при этом он включает в себя дополнительную рабочую операцию сравнения измеренного показателя кругообразной формы для каждого проверочного элемента с оптимальным показателем кругообразной формы. ! 6. Способ по п.2, отличающийся тем, что дополнительная измеренная физическая характеристика является усредненной степенью освещенности каждого проверочного элемента. ! 7. Способ по п.2, РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2007 144 327 (13) A (51) МПК B41F 33/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21), (22) Заявка: 2007144327/12, 16.05.2006 (71) Заявитель(и): РОЗЕНБЕРГЕР Рой Роналд (US), (30) Конвенционный приоритет: КЛАРК Дэниел Майкл (US), 17.05.2005 US 60/681,700 ...

Method for grey balance adjustment of a print process

The method involves determining color values on or in surrounding of gray axis of color space of a reference printing process and determining other color values for describing corrected gray balance of the target printing process. The latter color values are derived from the former color values for determining characterization data of the target printing process. The tonal values of the target printing process are determined from the characterization data and the latter color values. Corrected characterization data is determined from the tonal values. Independent claims are included for the following: (1) a printing system for imaging of substrate for executing a gray balance correcting method; and (2) a computer program product stored in storage unit for the execution of gray balance correcting method.

Method for gray balance correction of a printing process

Die vorliegende Erfindung betrifft ein Verfahren zur Graubalancekorrektur eines Druckprozesses. In einem Referenzdruckprozess werden erste Farbwerte (L1a1b1) an/auf der Grauachse des Farbraums des Referenzdruckprozesses ermittelt. Diese ersten Farbwerte werden zur Ermittlung von Tonwerten, die eine korrigierte Graubalance des Zieldruckprozesses beschreiben verwendet. Zur Vermeidung von Makulatur und eines weiteren Andrucks zur Graubalancekalibrierung des Druckprozesses werden zweite Farbwerte (L2a2b2) des Druckprozesses aus den ersten Farbwerten (L1a1b1) abgeleitet die die korrigierte Graubalance des beschreiben (S4). Aus ersten Charakterisierungsdaten und den zweiten Farbwerten (L2a2b2) des Druckprozesses werden die Tonwerte des Zieldruckverfahrens bestimmt, die den zweiten Farbwerten (L2a2b2) entsprechen (S6). Aus diesen Tonwerten wird eine Korrekturfunktion erstellt, die die korrigierte Graubalance beschreibt (S7). Auch eine Ermittlung korrigierter Charakterisierungsdaten ist möglich. Schließlich wird unter Verwendung der korrigierten Graubalance eine Druckform (3) erzeugt und ein Bedruckstoff bebildert. The present invention relates to a method for correcting gray balance in a printing process. In a reference printing process, first color values (L1a1b1) are determined on / on the gray axis of the color space of the reference printing process. These first color values are used to determine tone values that describe a corrected gray balance of the target printing process. To avoid waste and a further proof for gray balance calibration of the printing process, second color values (L2a2b2) of the printing process are derived from the first color values (L1a1b1) which describe the corrected gray balance of the (S4). From the first characterization data and the second color values (L2a2b2) of the printing process, the tone values of the target printing process are determined which correspond to the second color values (L2a2b2) (S6). A correction function that ...

Method and printing system for gray balance correction of a printing process, computer program product and computer program storage device

A method and a printing system for gray balance correction of a printing process include determining first color values at on a gray axis of a color space of a reference printing process. These first color values determine tonal values describing a corrected gray balance of the target printing process. To avoid wastage and a further proof for gray balance calibration of the printing process, second color values of the printing process, describing the corrected gray balance, are derived from the first color values. The tonal values of the target printing process corresponding to the second color values are determined from first characterization data and the second color values of the printing process. A correction function created from these tonal values describes the corrected gray balance. Determining corrected characterization data is also possible. A printing form is produced and a printing material is imaged by using the corrected gray balance.

Method for grey balance adjustment of a print process

Printing method for measuring and correcting the color settings of print machines, especially offset printers, whereby the colors of a reference print sheet are compared with values for the same sheet in independent color space

Method for correcting digitized image data in a pre-print stage for print machines using a unit independent color profile in the print main stage has the following steps: colorimetric measurement of a reference sheet in unit independent color space; conversion of an image file relating to the reference sheet into a further image sheet in unit independent color space and; comparison of the two unit independent image files. If the difference exceeds a threshold, the print process is changed in the selected machine. The invention also relates to a corresponding device.

Setting device for color calibration or processes calibration curves in printing machine has computer in press stage which determines and transmits image structure test pattern

Image structure information and color measurement data are exchanged among a pre-stage, printing stage, and quality control stage connected via a data path. The pre-stage includes a computer (5) for determining and/or transmitting image structure information into the form of a test pattern, for the production of color calibration characteristics and/or process calibration characteristics. An Independent claim is also included for a setting method.

Method for correcting locally machine-produced colouring errors in rotary printing machines

Method of adjusting the screendot sizes of a rotary offset printing machine

Method and device for creating a colour reference for a printed image

The method involves generating lower-resolution image data from high-resolution raster data for an image. The lower-resolution data are converted into display data which serve as color reference for the image to be printed and is visualized on a true-color monitor. An actual transmission characteristic ascertained is compared with a specified transmission characteristic. A correction curve is calculated to arrive at the desired transmission characteristic starting with the actual transmission characteristic. The display data are ascertained using the calculated correction curve. An independent claim is also included for an apparatus for generating a color reference for an image to be printed for visualizing the reference on a true-color monitor.

Method for controlling the inking of an offset printing press

The method involves calibrating printing control elements of a printing substrate, where the elements are printed outside a virtual subject on the substrate by a camera e.g. charge coupled device camera. Determined color density actual value is compared with predetermined color density reference value to generate a control signal for color adjusting elements including duct roller, jack roller or film roller, depending on comparison between the actual and the reference values. Color register marks (11-14) are calibrated as the elements for determining the color density actual value.

Method for detecting variables acting in a printing process

Verfahren zur Erfassung von bei einem Druckvorgang wirkenden Variablen, bei welchem – von einem Druckgerät oder einer Druckmaschine auf einem Druckbogen eine Messfeldanordnung ausgedruckt wird, wobei die Messfelder in Form eines Messfeldblockes mit mehreren Zeilen und mehreren Spalten angeordnet sind, und wobei eine Gruppe von Messfeldern zur Erfassung eines Grauachsenverhaltens vorgesehen ist, deren Messfelder mit Tonwerten der Farben Cyan, Magenta, Gelb und Schwarz versehen sind, wobei Flächendeckungsgrade mindestens dreier dieser Farben sich von Messfeld zu Messfeld unterscheiden, – die Messfelder der ausgedruckten Messfeldanordnung mittels eines Spektralphotometers, dem ein Polarisationsfilter vorgeschaltet ist, abgetastet werden und – die durch die Abtastung erhaltenen Messwerte in Form einer das Grauachsenverhalten beschreibenden Tabelle und/oder einer Grafik ausgegeben werden. Method for detecting variables acting in a printing process, in which A measuring field arrangement is printed by a printing device or a printing press on a printed sheet, the measuring fields being arranged in the form of a measuring field block having a plurality of rows and a plurality of columns, and a group of measuring fields being provided for detecting gray-axis behavior whose measuring fields are provided with tonal values of the colors Cyan, magenta, yellow, and black, with areal grades of at least three of these colors differing from patch to patch, - The measuring fields of the printed measuring field array by means of a spectrophotometer, which is preceded by a polarizing filter, are scanned and The measured values obtained by the scanning are output in the form of a table describing the gray-axis behavior and / or a graph.

Print image error correction method for printing machine i.e. sheet-fed offset printing machine, involves automatically correcting data of print image by transferred correction value in print preliminary stage

The method involves measuring a printing substrate (7) using a measuring device (10) e.g. color measuring device. Result obtained by the measuring instrument is compared with a printer copy in a computer (15). Correct value for minimizing measured deviation to the printer copy is automatically calculated by the computer. Correct value is transmitted from the computer to a print preliminary stage. Data of the print image is by the transferred correction value in the preliminary stage. A corrected printing block (18) is produced based on the print preliminary stage data.

Control patches for gravure printing

The control strip or block, to control the printing quality of mono or multi-color printing at a gravure printing press, has a color development control field (10) as a screen field strip (11) of a primary color to show the overflow of the screen field on achieving a given surface color level. The longitudinal line of the control field shows a continuous increase or decrease in the color development by nominal values for the tone, from at least 0% to a maximum of 100%. The nominal values (12) are displayed in the screen field.

Control patches for multi-colour gravure printing

Control strip or block with an arrangement of control fields for checking and control of multi-ink printing with a gravure printer. The control strip comprises control fields (6) with first (5) and second (4) partial control fields, whereby the first partial field comprises color gray value balance fields from cyan, magenta and yellow, while the second partial fields are uncolored black raster fields with tone values from 0 to 100 percent. The tone values of the first and second control fields are chosen so that individual combined control fields appear as a single color surface.

Method for determining a printing-technical measured value

Verfahren zur Ermittlung eines drucktechnischen Messwerts aus einem Tonwert-und/oder Farbverlauf eines Kontrollfelds, wobei sowohl der drucktechnische Messwert als auch eine Position eines zugehörigen Messpunktes während eines Druckbetriebs einer Druckmaschine ermittelt wird, dadurch gekennzeichnet dass eine Reihe von Messwerten in Abhängigkeit von der Position des Messpunkts erfasst und eine geeignete Funktion an die. Reihe von Messwerten angenähert wird. Method for determining a printing-technical measured value from a tonal value and / or color gradient of a control field, wherein both the printing-technical measured value and a position of an associated measuring point during a printing operation of a printing machine is determined, characterized in that a series of measured values as a function of the position of Measured and recorded a suitable function to the. Series of readings.

METHOD, DEVICE AND COLOR MEASUREMENT STRIP FOR PRINT QUALITY ASSESSMENT.

Arrangement of several control fields

Method and device for influencing the inking of an inked surface in a printing process

Improved print control strips for measuring colour on printed material

Patent DE3707027C2

Method for determining default values for the control of a printing press

Test means and method for controlling offset and digital printing

Measurement field arrangement

Messfeldanordnung zur Erfassung von bei einem Druckvorgang wirkenden Variablen, wobei Messfelder in Form eines Messfeldblockes mit mehreren Zeilen und mehreren Spalten angeordnet sind, und wobei – eine erste Gruppe der Messfelder zur Erfassung des Tonwertverhaltens, – eine zweite Gruppe der Messfelder zur Erfassung des Grauachsenverhaltens, – eine dritte Gruppe der Messfelder zur Erfassung des Druckverhaltens beim Übereinanderdruck und – eine weitere Gruppe der Messfelder vorgesehen ist, deren Cyan-, Magenta-, Gelb- und Schwarzwert jeweils einen Flächendeckungsgrad von 0% aufweist und deren Helligkeitswert bei 100% liegt. Measuring field arrangement for detecting variables acting in a printing operation, wherein measuring fields are arranged in the form of a measuring field block having a plurality of rows and a plurality of columns, and wherein A first group of the measuring fields for recording the tonal behavior, A second group of the measuring fields for detecting the gray-axis behavior, A third group of measuring fields for recording the printing behavior in the case of overprinting and A further group of the measuring fields is provided whose cyan, magenta, yellow and black values each have a surface coverage of 0% and whose brightness value is 100%.

Patent DE4038574C1

Measuring field group and method for recording optical printing parameters in multi-color edition printing

Process for correcting local, machine-related staining errors on rotary printing presses

Die Erfindung bezieht sich auf ein Verfahren zur Korrektur lokaler, maschinenbedingter Färbungsungleichförmigkeiten an Rotationsdruckmaschinen, bei dem die nachfolgenden Verfahrensschritte durchlaufen werden: DOLLAR A Zunächst erfolgt die Ermittlung des Einfärbeverhaltens der Druckwerke einer Mehrfarbenrotationsdruckmaschine mittels Testformen. Die Färbungsungleichförmigkeiten an den Testformen werden an der Druckvorstufe übertragen. Anhand der Daten zu den Färbungsungleichförmigkeiten der Testformen werden die Rastertonwerte der Farbauszüge einer Druckform derart modifiziert, daß die Färbungsungleichförmigkeiten lokal abhängig vom Ort ihres Auftretens im Druck auf den Druckform- bzw. -filmen vorgehalten werden.

Color variation adjusting method for use in typographical process, involves deriving corrective action for process from deviation, and evaluating set of colorimetric data using profile that is different from another profile

The method involves evaluating a set of colorimetric data using an international color consortium (ICC)-profile of a typographical process, and providing the set. Another set of colorimetric data is provided and the item of one set is compared with the item of the other set. A corrective action for the process is derived from the deviation established during the comparison. The latter set of the colorimetric data is evaluated using another ICC profile that is different from the ICC profile of the typographical process. The latter profile is assigned to a target specification of the data.

Method for grey balance adjustment of a print process

Die vorliegende Erfindung betrifft ein Verfahren zur Graubalancekorrektur eines Druckprozesses. In einem Referenzdruckprozess werden erste Farbwerte (L 1 a 1 b 1 ) an / auf der Grauachse des Farbraums des Referenzdruckprozesses ermittelt. The present invention relates to a method for gray balance correction of a printing process. In a reference printing process, first color values (L 1 a 1 b 1 ) are determined on / on the gray axis of the color space of the reference printing process. Diese ersten Farbwerte werden zur Ermittlung von Tonwerten, die eine korrigierte Graubalance des Zieldruckprozesses beschreiben verwendet. These first color values are used to determine tone values that describe a corrected gray balance of the target printing process. Zur Vermeidung von Makulatur und eines weiteren Andrucks zur Graubalancekalibrierung des Druckprozesses werden zweite Farbwerte (L 2 a 2 b 2 ) des Druckprozesses aus den ersten Farbwerten (L 1 a 1 b 1 ) abgeleitet die die korrigierte Graubalance des beschreiben (S4). Aus ersten Charakterisierungsdaten und den zweiten Farbwerten (L 2 a 2 b 2 ) des Druckprozesses werden die Tonwerte des Zieldruckverfahrens bestimmt, die den zweiten Farbwerten (L 2 a 2 b 2 ) entsprechen (S6). Aus diesen Tonwerten wird eine Korrekturfunktion erstellt, die die korrigierte Graubalance beschreibt (S7). Auch eine Ermittlung korrigierter Charakterisierungsdaten ist möglich. Schließlich wird unter Verwendung der korrigierten Graubalance eine Druckform (3) erzeugt und ein Bedruckstoff bebildert. In order to avoid waste and a further proof for the gray balance calibration of the printing process, second color values (L 2 a 2 b 2 ) of the printing process are derived from the first color values (L 1 a 1 b 1 ) which describe the corrected gray balance (S4). From first characterization data and the second color values (L 2 a 2 b 2 ) of the printing process, the tonal values of the target printing method corresponding to the second color values (L 2 a 2 ...

Method and device for correcting non-adapted print data using a colorimetrically measured reference sheet

Verfahren zur Korrektur von digitalisierten Bilddaten in der Druckvorstufe bei Einsatz von Druckmaschinen mit einem geräteunabhängigen Farbprofil in der Druckhauptstufe mit folgenden Verfahrensschritten:- Farbmetrische Vermessung eines Referenzbogens und Erzeugung einer Bilddatei in einem geräteunabhängigen Farbraum,- Umrechnung einer zu dem Referenzbogen gehörenden Bilddatei in einem geräteabhängigen Farbraum mittels eines zu einer ausführenden Druckmaschine gehörenden geräteunabhängigen Farbprofils in eine weitere Bilddatei in dem geräteunabhängigen Farbraum,- Vergleich der beiden Bilddateien in dem geräteunabhängigen Farbraum,- Bei Überschreitung von Toleranzgrenzen Vornahme von Änderungen an der zu dem Referenzbogen gehörenden Bilddatei in dem geräteabhängigen Farbraum oder Änderung eines Druckprozesses in der ausführenden Druckmaschine. Process for correcting digitized image data in the prepress stage when using printing machines with a device-independent color profile in the main printing stage with the following process steps: - Colorimetric measurement of a reference sheet and generation of an image file in a device-independent color space, - Conversion of an image file belonging to the reference sheet in a device-dependent color space by means of a device-independent color profile belonging to an executing printing machine in a further image file in the device-independent color space, - comparison of the two image files in the device-independent color space, - if tolerance limits are exceeded, changes are made to the image file belonging to the reference sheet in the device-dependent color space or change a Printing process in the executing printing machine.

Process for determining the color appearance and corresponding device

Defect detection of printed matter

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Improved print control strip for color measurement on substrate

Rotary printing press and method for adjusting a cylinder thereof

The invention relates to a rotary printing press comprising a number of colour decks (A-J), at least one of which comprises a cylinder (16, 18), and an adjusting system for adjusting the position of the cylinder (16, 18) in relation to at least one other component (12) of said printing press. Said rotary printing press is characterised in that the at least one colour deck (F) comprises a control unit (50) that is configured to capture and process data relating to the cylinder, said data describing the topography of the surface of said specific cylinder and/or a spatial relationship between a printing pattern and a reference mark (36) embodied on the cylinder. The control unit (50) is configured such that the adjusting system can be controlled according to said adjusting data in order to optimally adjust the position of the cylinder for printing, producing little or no waste at all.

Process for printing correcting

Rotary printing press and method for adjusting a cylinder thereof

The invention relates to a rotary printing press comprising a number of colour decks (A-J), at least one of which comprises a cylinder (16, 18), and an adjusting system for adjusting the position of the cylinder (16, 18) in relation to at least one other component (12) of said printing press. Said rotary printing press is characterised in that the at least one colour deck (F) comprises a control unit (50) that is configured to capture and process data relating to the cylinder, said data describing the topography of the surface of said specific cylinder and/or a spatial relationship between a printing pattern and a reference mark (36) embodied on the cylinder. The control unit (50) is configured such that the adjusting system can be controlled according to said adjusting data in order to optimally adjust the position of the cylinder for printing, producing little or no waste at all.

Method and device for configuring a printed picture created by a rotary printer

The method involves recording a printing image (7) by a camera (6), where the printing image is compared with a stored reference image in a control and comparing unit (16). Printing units (2.1-2.8) are adjusted around a preset movement value. The printing image of a sequence of different printing images recorded by the camera is compared with the reference image. An adjustment interval is determined. The printing units are adjusted corresponding to the determined adjustment interval, and the printing of the image is continued based on the determined adjustment interval. An independent claim is also included for a device for positioning a printing image, comprising an adjusting motor.

Method for automated adjustment of a rotational body pressure in a printing machine

Bei einem Verfahren zum automatisierten Justieren einer Rotationskörperpressung in einer Druckmaschine erfolgt eine Pressstreifenabbild-Messung auf einem Bedruckstoff. Hierbei werden ein Abbild eines ersten Pressstreifens, der von einem ersten Rotationskörper (1) zusammen mit einem zweiten Rotationskörper (2) gebildet wird, und ein Abbild eines zweiten Pressstreifens, der von dem zweiten Rotationskörper (2) zusammen mit einem dritten Rotationskörper (3) gebildet wird, ausgemessen.

Backlight

Verfahren zur Überwachung eines von einer Druckmaschine erzeugten Druckbildes, welches folgende Verfahrensmerkmale umfasst: – Abtastung von bedruckten Bereichen eines Bedruckstoffes (9) innerhalb eines Abtastbereiches (1) mit einem Sensorsystem (5), – Beaufschlagung zumindest von Teilbereichen des Abtastbereiches (1) mit erster elektromagnetischer Strahlung (2) von einem Beleuchtungselement (4, 12) aus, – wobei die erste elektromagnetische Strahlung (2) homogen ist und – transparenter Bedruckstoff (9) verwendet wird, – die erste elektromagnetische Strahlung (2) von einer dem Sensorsystem (5) abgewandten Seite des Bedruckstoffes (9) aus auf den Abtastbereich (1) gelenkt wird, – und wobei eine zweite elektromagnetische Strahlung (8) von der dem Sensorsystem (5) zugewandten Seite aus auf den Abtastbereich (1) gelenkt wird, dadurch gekennzeichnet, dass als zweite elektromagnetische Strahlung (8) homogene Strahlung verwendet wird, insbesondere diffuse Strahlung oder parallele Strahlung. Method for monitoring a printed image generated by a printing press, which comprises the following process features: scanning of printed areas of a printing material within a scanning area with a sensor system, subjecting at least partial areas of the scanning area to first electromagnetic radiation (2) from an illumination element (4, 12), - wherein the first electromagnetic radiation (2) is homogeneous and - transparent substrate (9) is used, - the first electromagnetic radiation (2) from a sensor system (5 ) facing away from the printing substrate (9) is directed onto the scanning region (1), - and wherein a second electromagnetic radiation (8) from the sensor system (5) side facing out on the scanning region (1) is directed, characterized in that homogeneous radiation is used as second electromagnetic radiation (8), in particular diffuse radiation or parallel S adiation.

Rotary printing machine for printing a substrate and method for monitoring characteristics of the pressure applied to the printing medium

Beschrieben und beansprucht wird eine Rotationsdruckmaschine (1, 10) zum Bedrucken eines Bedrucksstoffes (4) und ein Verfahren zum Überwachen von Kennwerten des auf den Bedruckstoff (4) aufgebrachten Druckmittels. Als neu und erfinderisch wird dargestellt, – dass eine Sensorstation (7, 8, 21) zumindest einen ersten Anstellkörper (11) aufweist, der im Bereich des aufgetragenen Druckmittels in Kontakt mit dem Bedruckstoff (4) bringbar ist, – und dass die Sensorstation (7, 8, 21) Sensoren (13, 29) aufweist, mit welchen Messwerte aufzeichenbar sind, – die von Bestandteilen von Druckmitteln stammen, die in Kontakt mit dem zumindest einen ersten Anstellkörper (11) stehen und/oder von dem zumindest einen ersten Anstellkörper (11) von der Bedruckstoffbahn (4) abgenommen worden sind. A rotary printing machine (1, 10) for printing on a printing material (4) and a method for monitoring characteristic values of the printing medium applied to the printing material (4) are described and claimed. It is shown as new and inventive that a sensor station (7, 8, 21) has at least one first adjusting body (11) which can be brought into contact with the printing material (4) in the area of the applied printing medium, and that the sensor station ( 7, 8, 21) has sensors (13, 29) with which measured values can be recorded, - which originate from components of pressure media which are in contact with the at least one first adjusting body (11) and / or from the at least one first adjusting body (11) have been removed from the printing material web (4).