EP0332787A1 - Device for printing and computer-controlled cutting for the production of wall-paper - Google Patents
Device for printing and computer-controlled cutting for the production of wall-paper Download PDFInfo
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- EP0332787A1 EP0332787A1 EP88400602A EP88400602A EP0332787A1 EP 0332787 A1 EP0332787 A1 EP 0332787A1 EP 88400602 A EP88400602 A EP 88400602A EP 88400602 A EP88400602 A EP 88400602A EP 0332787 A1 EP0332787 A1 EP 0332787A1
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- European Patent Office
- Prior art keywords
- printer
- computer
- cutter
- wallpaper
- printing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005520 cutting process Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000012937 correction Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000003086 colorant Substances 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000004040 coloring Methods 0.000 abstract 1
- 239000000123 paper Substances 0.000 description 11
- 230000006870 function Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012882 sequential analysis Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/66—Applications of cutting devices
- B41J11/68—Applications of cutting devices cutting parallel to the direction of paper feed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/66—Applications of cutting devices
- B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
- B41J15/042—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for loading rolled-up continuous copy material into printers, e.g. for replacing a used-up paper roll; Point-of-sale printers with openable casings allowing access to the rolled-up continuous copy material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C7/00—Paperhanging
- B44C7/02—Machines, apparatus, tools or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C7/00—Paperhanging
- B44C7/02—Machines, apparatus, tools or accessories therefor
- B44C7/025—Machines, apparatus, tools or accessories therefor for cutting wallpaper
Definitions
- the present invention relates to the use of data processing applied to the manufacture of wallpaper.
- the patterns and shades are determined and immutable, which means that the paper presented to customers offers only a limited choice and does not allow the interior decorations to be fully personalized.
- this patent describes an image recording apparatus comprising several recording units and for which a measurement unit detects and corrects the position deviation of the recording area by reading a reference model constituted by units of recording.
- This recording device is therefore suitable, particularly for recording full color images.
- the recording device is intended for the reconstruction of images on a medium.
- a measurement system makes it possible to detect a difference in position of the image reconstruction and of the recording system.
- the recording device is designed to constitute color images on a medium and makes it possible to modify the position of the reconstruction of the image for each color by means of the correction system.
- This measurement system makes it possible to detect the difference in position of the reconstruction of the image of a reference model formed by means of the recording device.
- the device described in this publication essentially concerns graphic printers combined with computers or microcomputers.
- the printing means makes it possible to print a first pattern, then a second, different from the first, on a textile fabric.
- the means as described and claimed are different from those of the present invention, in their technical characteristics and even more in their application.
- this patent describes a printing process consisting in preparing a printing plate having several separate channels, each end of which opens onto a printing surface.
- the openings are arranged so as to form a neutral screen pattern on the surface and so that the channels, for their preparation, can receive columns filled with printing ink of the desired shade of color and this, depending on the considered point of the image to be printed.
- this patent describes a machine intended for the production of railway tickets or cardboard admission tickets of identical format.
- These titles contain a flying card making it possible to position the cardboard or paper strip as well as the two layers of cardboard which cover it, on the various devices for printing advertising on both sides, stamping, engraving in the direction longitudinal, apply a layer of glue, fold the printed part between the two unprinted parts, and cut the card.
- This printing and cutting device for manufacturing wallpaper is characterized in that it is controlled by a computer whose mass memory contains the software corresponding to the chosen decorative motif, said computer, associated with a color screen transmitting the data to an inkjet color printer, which is mechanically coupled by a raceway to a cutter, the latter used to cut the strips to the programmed length.
- This printer specific to the present use is provided with: - a control circuit increasing the precision of the positioning of the lines in the horizontal and vertical direction. This increase in two-dimensional precision is necessary for printing wallpaper, because due to the size of the surfaces reconstituted on wall plans, an addition of inaccuracies in the printing or in the cutting of the paper can produce defects. too visible and adversely affect the quality of said paper.
- This control circuit therefore includes reading means aimed at the vertical and horizontal lines drawn on each side of the strips, associated with means for counting pulses, and integration means ensuring the correction of the positioning of the lines for printing the pattern. to reproduce.
- - a device for regulating color saturation comprising reading means allowing the sequential analysis of the zones to be checked, then after digitalization of the means acting on the computer program at the level of the dosage of said colors.
- printer, raceway and cutter form a unit supported by the machine chassis.
- Ordering the cutter requires, for its part, the creation of a client of the interface type specific to the present use.
- the device for making wallpaper uses a printer and a computer. It is characterized by the fact that the color inkjet printer is connected to a cutter and that this printer plus cutter assembly is controlled by a computer whose mass memory contains software corresponding to the decorative patterns, which allows the user to choose the pattern and the colors and to carry out the personalized manufacture of his wallpaper, and that said printer is mechanically coupled by a raceway to a cutter, the assembly being supported by the chassis of the machine.
- the device for cutting the width of the strips is composed of two circular shears and controlled by computer for the displacement of a shears according to the choice made of said width by the user.
- the device is of the type comprising a control circuit with reading means, associated with pulse counting means, and of integration to allow correction of the two-dimensional positioning of the printing lines of the pattern to be reproduced; this correction being effected by means of optical sensors which detect a signal injected into an electronic circuit characterized in that said circuit acts on the deflector of the printer.
- the computer sends its data simultaneously on the one hand to the printer and on the other hand to an interface ensuring the control of the cutter for the determined lengths of the strips.
- Figure 1 shows the whole machine.
- the paper stored in the reel 1 is directed into the color printer 2, passes in front of the print head 3, guided by guide rollers 4 then, the paper being inked, it comes before the optical sensors 5, some of which of them will be used for the correction of the position of the printing lines of the pattern to be reproduced, thanks to a signal injected into the electronic correction circuit 6, said circuit acting on the deflector of the inkjet printer 2.
- optical sensors 5 which have the function of sending an analog signal to an analog to digital converter 7 corresponding to the color correction, this converter 7 transmitting the data to the computer 8.
- This the latter is equipped with a color screen and a mass memory containing the software corresponding to the chosen decorative motif.
- the computer 8 sends its data on the one hand to the printer 2 and on the other hand to an interface 9 which controls the cutter of length of the strips 10, the data being validated by the end sensor 11.
- the cutting of the width of the strips is ensured by two circular shears 12, one of which is rigorously fixed relative to the printer 2, the entire raceway being mounted in the chassis of the machine 13.
- the second shears 12 is motorized and moves on a longitudinal axis.
- the movement operations of the shears 12 are guided by the computer 8 and transmitted by an analog-digital converter 7.
- End optical sensors 11 placed on each side of the shears 12 make it possible to set a limit on the displacements. The user therefore sets at will the choice of width of the strips, the chassis also supporting an automatic translation table 14 whose role is to stack the pre-cut strips.
- FIG. 2 is the block diagram of the electronics of the control circuit for the two-dimensional positioning of the inkjet printer on which there is a buffer input circuit 15 used to store the data to be printed and, by a first analog to digital converter 16, to transform them into analog vertical coordinates as well as by a second analog to digital converter 17, to transform them into analog horizontal coordinates, these types of circuits usually being found in certain inkjet printers.
- the output of the analog converter 16 is connected to one of the inputs of a differential amplifier 18, the outputs of which excite the electrodes of the deflector 19, which act vertically on the ink jet.
- the other input of the differential amplifier 18 receives a voltage from an integrator circuit 20, itself supplied by a pulse counter 21 which receives the signals generated by an optical sensor 5 whose function is to read the horizontal test lines, written at the end of each printing line.
- the output of the digital analog converter 17 is connected to one of the inputs of a differential amplifier 22, the outputs of which will excite the electrodes of the deflector 19 which will act horizontally on the ink jet.
- the other input of the differential amplifier 22 receives a voltage from an integrator circuit 23, itself supplied by a pulse sensor 24 which receives the signals generated by an optical sensor 5 whose function is to read the lines vertical tests written at the end of each printing line.
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- Record Information Processing For Printing (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
Description
La présente invention concerne l'utilisation de l'informatique appliquée à la fabrication du papier peint.The present invention relates to the use of data processing applied to the manufacture of wallpaper.
Actuellement, la fabrication du papier peint est réalisée d'une manière traditionnelle par l'impression du papier à l'aide de machines à cylindres, dont les gravures sont, essentiellement, du type flexographique. Il est donc nécessaire de réaliser un ou plusieurs cylindres pour reproduire un motif de papier déterminé. En conséquence, l'importance quantitative et financière du parc à cylindres d'une enterprise est proportionnelle au choix des motifs de papiers peints offerts à la clientèle. Cet état de fait est une des causes des difficultés de gestion dans cette branche de l'industrie.Currently, the manufacture of wallpaper is carried out in a traditional manner by printing the paper using cylinder machines, the engravings of which are, essentially, of the flexographic type. It is therefore necessary to make one or more cylinders to reproduce a specific paper pattern. Consequently, the quantitative and financial importance of a company's fleet of cylinders is proportional to the choice of wallpaper patterns offered to customers. This state of affairs is one of the causes of the management difficulties in this branch of the industry.
Par ailleurs, les motifs et les teintes sont déterminés et immuables, ce qui fait que le papier présenté à la clientèle n'offre qu'un choix limité et ne permet pas de personnaliser totalement les décors intérieurs.In addition, the patterns and shades are determined and immutable, which means that the paper presented to customers offers only a limited choice and does not allow the interior decorations to be fully personalized.
Les différents procédés et dispositifs d'imprimantes actuels (DE-A-3.312.372, Electronic Design Vol 30 n°22 : "Color graphics printers 'slip into' computers systems", DE-A-2.441.756, USA 4.170.883) permettent une impression couleur sur support papier ou tissu, mais ne sont pas équipés de dispositif de coupe, lesquels permettent de s'affranchir des contraintes de format. Les dispositifs de coupe existants couplés à des systèmes d'impression ont pour fonction principale de couper selon une longueur déterminée. La détermination de la longueur s'effectue, soit en lisant un signal apposé sur le support (FR-A-2.070.459), soit en coupant mécaniquement des longueurs identiques (DE-C-520.386). Aucun dispositif de coupe n'est piloté par ordinateur de telle sorte que sans marquage, la largeur et la longeur puissent être désignées au préalable et selon son gré par l'utilisateur. Le couple imprimante-massicotage piloté par ordinateur constitue donc un dispositif d'impression et de coupe simultanées et personnalisées.The different processes and devices of current printers (DE-A-3.312.372, Electronic Design Vol 30 n ° 22: "Color graphics printers 'slip into' computers systems", DE-A-2.441.756, USA 4.170.883 ) allow color printing on paper or fabric, but are not equipped with cutting devices, which allow them to overcome format constraints. The main function of existing cutting devices coupled to printing systems is to cut to a determined length. The length is determined either by reading a signal affixed to the support (FR-A-2.070.459), or by mechanically cutting identical lengths (DE-C-520.386). No cutting device is controlled by computer so that without marking, the width and the length can be designated beforehand and as the user wishes. The printer-cutter couple driven by computer therefore constitutes a simultaneous and personalized printing and cutting device.
L'état de la technique peut être défini par rapport aux brevets suivants :The state of the art can be defined in relation to the following patents:
ce brevet décrit un appareil enregistreur d'images comportant plusieurs unités d'enregistrement et pour lesquelles une unité de mesure détecte et corrige l'écart de position de la zone d'enregistrement par lecture d'un modèle de référence constitué par des unités d'enregistrement.this patent describes an image recording apparatus comprising several recording units and for which a measurement unit detects and corrects the position deviation of the recording area by reading a reference model constituted by units of recording.
Cet appareil enregistreur convient de ce fait, particulièrement à l'enregistrement d'images polychrome. Le dispositif d'enregistrement est destiné à la reconstitution d'images sur un support. Un système de mesure permet de détecter un écart de position de la reconstitution de l'image et du système d'enregistrement. Le dispositif d'enregistrement est conçu pour constituer des images en couleurs sur un support et permet de modifier la position de la reconstitution de l'image pour chaque couleur grâce au système de correction. Ce système de mesure permet de déceler l'écart de position de la reconstitution de l'image d'un modèle de référence formé au moyen du dispositif d'enregistrement.This recording device is therefore suitable, particularly for recording full color images. The recording device is intended for the reconstruction of images on a medium. A measurement system makes it possible to detect a difference in position of the image reconstruction and of the recording system. The recording device is designed to constitute color images on a medium and makes it possible to modify the position of the reconstruction of the image for each color by means of the correction system. This measurement system makes it possible to detect the difference in position of the reconstruction of the image of a reference model formed by means of the recording device.
le dispositif décrit dans cette publication concerne essentiellement des imprimantes graphiques combinées avec des ordinateurs ou des micro-ordinateurs. Le moyen d'impression permet d'imprimer un premier motif, puis un second, différent du premier, sur un tissu textile. Les moyens tels que décrits et revendiqués sont différents de ceux de la présente invention, dans leurs caractéristiques techniques et encore plus dans leur application.the device described in this publication essentially concerns graphic printers combined with computers or microcomputers. The printing means makes it possible to print a first pattern, then a second, different from the first, on a textile fabric. The means as described and claimed are different from those of the present invention, in their technical characteristics and even more in their application.
ce brevet décrit un procédé d'impression consistant à préparer une planche d'impression présentant plusieurs canaux séparés dont chaque extrémité s'ouvre sur une surface d'impression. Les ouvertures sont disposées de façon à former un modèle de trame neutre sur la surface et de façon que les canaux, pour leur préparation, puissent recevoir des colonnes remplies d'encre d'impression de la nuance de couleur souhaitée et ce, en fonction du point considéré de l'image à imprimer.this patent describes a printing process consisting in preparing a printing plate having several separate channels, each end of which opens onto a printing surface. The openings are arranged so as to form a neutral screen pattern on the surface and so that the channels, for their preparation, can receive columns filled with printing ink of the desired shade of color and this, depending on the considered point of the image to be printed.
ce brevet décrit une machine destinée à la fabrication de tickets de chemin de fer ou de titres d'admission en carton de format identique. Ces titres contiennent une carte volante permetttant de positionner la bande en carton ou en papier ainsi que les deux couches de carton qui la recouvrent, sur les différents dispositifs pour imprimer de la publicité sur les deux faces, estamper, graver dans le sens longitudinal, appliquer une couche de colle, plier la partie imprimée entre les deux parties non-imprimées, et couper la carte.this patent describes a machine intended for the production of railway tickets or cardboard admission tickets of identical format. These titles contain a flying card making it possible to position the cardboard or paper strip as well as the two layers of cardboard which cover it, on the various devices for printing advertising on both sides, stamping, engraving in the direction longitudinal, apply a layer of glue, fold the printed part between the two unprinted parts, and cut the card.
C'est pour pallier ces inconvénients qu'il a été conçu un dispositif utilisant un ordinateur dans lequel est inséré un programme qui a pour rôle d'assurer la commande d'une imprimante couleurs à jet d'encre. Dès lors, l'enterprise de papiers peints n'aura plus qu'à stocker des logiciels à la place des cylindres, comme précédemment.It is to overcome these drawbacks that a device has been designed using a computer into which is inserted a program which has the role of ensuring the control of a color inkjet printer. From then on, the wallpaper company will only have to store software instead of cylinders, as before.
Par ailleurs, l'évolution actuelle des langages informatiques tendant à la simplification d'emploi de ceux-ci, il est donc possible d'obtenir une composition de motifs, et un choix de teintes à la demande, ce qui détermine deux avantages : réduire encore plus, la quantité stockée de logiciels, et permettre une personnalisation des papiers peints, chaque demandeur pouvant à son gré, combiner les motifs qui lui plaisent, prévoir les teintes en fonction de son goût personnel, d'accorder ainsi la décoration murale au style de son mobilier et avoir le plaisir, en plus de la création, de sortir des standards imposés par les choix des enterprises. En outre, ce dispositif permet dans le cas d'une fabrication personnalisée de commander la longueur des lés grâce au pilotage d'un massicot, ce qui apporte l'avantage d'une part de supprimer les chutes, et d'autre part, de gagner du temps au moment de la pose.Furthermore, the current evolution of computer languages tending to simplify the use of these, it is therefore possible to obtain a composition of patterns, and a choice of colors on demand, which determines two advantages: reduce even more, the quantity stored of software, and allow a customization of the wallpapers, each requester being able at his discretion, to combine the reasons which pleases him, to foresee the colors according to his personal taste, thus to grant the wall decoration to the style furniture and have the pleasure, in addition to creation, of going beyond the standards imposed by the choices of companies. In addition, this device makes it possible, in the case of personalized manufacturing, to control the length of the strips by controlling a cutter, which brings the advantage on the one hand of eliminating the falls, and on the other hand, of save time when laying.
Ce dispositif d'impression et de coupe pour fabrication de papiers peints, se caractérise en ce qu'il est piloté par un ordinateur dont la mémoire de masse contient le logiciel correspondant au motif décoratif choisi, ledit ordinateur, associé à un écran couleurs transmettant les données à une imprimante couleurs à jet d'encre, laquelle est couplée mécaniquement par un chemin de roulement à un massicot, celui-ci servant à couper les lés à la longueur programmée.This printing and cutting device for manufacturing wallpaper is characterized in that it is controlled by a computer whose mass memory contains the software corresponding to the chosen decorative motif, said computer, associated with a color screen transmitting the data to an inkjet color printer, which is mechanically coupled by a raceway to a cutter, the latter used to cut the strips to the programmed length.
Cette imprimante spécifique à la présente utilisation est dotée :
- d'un circuit de contrôle augmentant la précision du positionnement des lignes dans le sens horizontal et vertical. Cette augmentation de la précision bidimensionnelle est nécessaire à l'impression du papier peint, car du fait de l'importance des surfaces reconstituées sur des plans muraux, une addition d'imprécisions dans l'impression ou dans la découpe du papier peut produire des défauts trop visibles et nuire à la qualité dudit papier. Ce circuit de contrôle comporte donc des moyens de lecture visant les traits verticaux et horizontaux tracés de chaque côté des lés, associé à des moyens de comptage des impulsions, et des moyens d'intégration assurant la correction du positionnement des lignes d'impression du motif à reproduire.
- d'un dispositif de régulation de la saturation des teintes comportant des moyens de lecture permettant l'analyse séquentielle des zones à contrôler, puis après digitalisation des moyens agissant sur le programme de l'ordinateur au niveau du dosage desdites teintes.This printer specific to the present use is provided with:
- a control circuit increasing the precision of the positioning of the lines in the horizontal and vertical direction. This increase in two-dimensional precision is necessary for printing wallpaper, because due to the size of the surfaces reconstituted on wall plans, an addition of inaccuracies in the printing or in the cutting of the paper can produce defects. too visible and adversely affect the quality of said paper. This control circuit therefore includes reading means aimed at the vertical and horizontal lines drawn on each side of the strips, associated with means for counting pulses, and integration means ensuring the correction of the positioning of the lines for printing the pattern. to reproduce.
- a device for regulating color saturation comprising reading means allowing the sequential analysis of the zones to be checked, then after digitalization of the means acting on the computer program at the level of the dosage of said colors.
En outre, imprimante, chemin de roulement et massicot forment un ensemble supporté par le châssis de la machine.In addition, printer, raceway and cutter form a unit supported by the machine chassis.
La commande du massicot, nécessite, pour sa part, la création d'un donneur d'ordres du type interface spécifique à la présente utilisation.Ordering the cutter requires, for its part, the creation of a client of the interface type specific to the present use.
Le dispositif pour la fabrication du papier peint utilise une imprimante et un ordinateur. Il est caractérisé par le fait que l'imprimante couleur à jet d'encre est reliée à un massicot et que cet ensemble imprimante plus massicot est piloté par un ordinateur dont la mémoire de masse contient un logiciel correspondant aux motifs décoratifs, ce qui permet à l'utilisateur de choisir le motif et les coloris et de procéder à la fabrication personnalisée de son papier peint, et que ladite imprimante est couplée mécaniquement par un chemin de roulement à un massicot, l'ensemble étant supporté par le châssis de la machine.The device for making wallpaper uses a printer and a computer. It is characterized by the fact that the color inkjet printer is connected to a cutter and that this printer plus cutter assembly is controlled by a computer whose mass memory contains software corresponding to the decorative patterns, which allows the user to choose the pattern and the colors and to carry out the personalized manufacture of his wallpaper, and that said printer is mechanically coupled by a raceway to a cutter, the assembly being supported by the chassis of the machine.
Le dispositif de coupe de la largeur des lés est composé de deux cisailles circulaires et piloté par ordinateur pour le déplacement d'une cisaille selon le choix effectué de ladite largeur par l'utilisateur.The device for cutting the width of the strips is composed of two circular shears and controlled by computer for the displacement of a shears according to the choice made of said width by the user.
Le dispositif est du type comportant un circuit de contrôle avec moyens de lecture, associé à des moyens de comptage des impulsions, et d'intégration pour permettre la correction du positionnement bi-dimensionnel des lignes d'impression du motif à reproduire ; cette correction étant effectuée par l'intermédiaire de capteurs optiques lesquels détectent un signal injecté dans un circuit électronique caractérisé en ce que ledit circuit agit sur le déviateur de l'imprimante.The device is of the type comprising a control circuit with reading means, associated with pulse counting means, and of integration to allow correction of the two-dimensional positioning of the printing lines of the pattern to be reproduced; this correction being effected by means of optical sensors which detect a signal injected into an electronic circuit characterized in that said circuit acts on the deflector of the printer.
L'ordinateur envoie ses données simultanément d'une part à l'imprimante et d'autre part à une interface assurant la commande du massicot pour les longueurs déterminées des lés.The computer sends its data simultaneously on the one hand to the printer and on the other hand to an interface ensuring the control of the cutter for the determined lengths of the strips.
Afin d'expliciter l'invention, et pour une meilleure compréhension, il est donné à titre d'exemple non limitatif, un mode de réalisation se référant aux dessins ci-annexés :
- - figure 1 : représentation symbolique des éléments constituant une machine conforme aux principes de l'invention.
- - figure 2 : schéma synoptique de l'électronique du circuit de pilotage du positionnement bidimensionnel d'une imprimante à jet d'encre.
- - Figure 1: symbolic representation of the elements constituting a machine according to the principles of the invention.
- - Figure 2: block diagram of the electronics of the control circuit of the two-dimensional positioning of an inkjet printer.
La figure 1 représente l'ensemble de la machine. Le papier stocké dans la bobine 1 est dirigé dans l'imprimante couleurs 2, passe devant la tête d'impression 3, guidé par des rouleaux de guidage 4 puis, le papier étant encré, il se présente devant les capteurs optiques 5 dont certains d'entre eux serviront à la correction de position des lignes d'impression du motif à reproduire, grâce à un signal injecté dans le circuit électronique de correction 6, ledit circuit agissant sur le déviateur de l'imprimante à jet d'encre 2.Figure 1 shows the whole machine. The paper stored in the reel 1 is directed into the
Par ailleurs, il est prévu d'autres capteurs optiques 5 qui ont pour fonction l'envoi d'un signal analogique dans un convertisseur analogique numérique 7 correspondant à la correction de teintes, ce convertisseur 7 transmettant les données à l'ordinateur 8. Ce dernier est muni d'un écran couleurs et d'une mémoire de masse contenant le logiciel correspondant au motif décoratif choisi.Furthermore, other
L'ordinateur 8 envoie d'une part ses données à l'imprimante 2 et d'autre part à une interface 9 qui assure la commande du massicot de longueur des lés 10, les données étant validées par le capteur d'extrémité 11.The
Le massicotage de la largeur des lés est assuré par deux cisailles circulaires 12 dont une est fixée rigoureusement par rapport à l'imprimante 2, l'ensemble du chemin de roulement étant monté dans le châssis de la machine 13. La seconde cisaille 12 est motorisée et se déplace sur un axe longitudinal. Les opérations de mouvement de la cisaille 12 sont guidées par l'ordinateur 8 et transmises par un convertisseur analogique-numérique 7. Des capteurs optiques d'extrémité 11 placés de chaque côté de la cisaille 12 permettent de fixer une limite aux déplacements. L'utilisateur fixe donc à son gré le choix de la largeur des lés, le châssis supportant également une table à translation automatique 14 dont le rôle est d'empiler les lés prédécoupés.The cutting of the width of the strips is ensured by two
La figure 2 est le schéma synoptique de l'électronique du circuit de pilotage du positionnement bidimensionnel de l'imprimante à jet d'encre sur lequel on trouve un circuit d'entrée tampon 15 servant à stocker les données à imprimer et, par un premier convertisseur numérique analogique 16, à les tranformer en coordonnées verticales analogiques ainsi que par un second convertisseur numérique analogique 17, à les transformer en coordonnées horizontales analogiques, ces types de circuits se trouvant habituellement dans certaines imprimantes à jet d'encre.FIG. 2 is the block diagram of the electronics of the control circuit for the two-dimensional positioning of the inkjet printer on which there is a
La sortie du convertisseur analogique 16 est connectée sur l'une des entrées d'un amplificateur différentiel 18 dont les sorties excitent les électrodes du déviateur 19, lesquelles agissent verticalement sur le jet d'encre.The output of the
L'autre entrée de l'amplificateur différentiel 18 reçoit une tension issue d'un circuit intégrateur 20, lui-même alimenté par un compteur d'impulsions 21 qui reçoit les signaux générés par un capteur optique 5 dont la fonction est de lire les traits tests horizontaux, inscrits au bout de chaque ligne d'impression.The other input of the
Il est ainsi réalisé une boucle d'asservissement permettant le positionnement précis des lignes d'impression dans le sens vertical.There is thus produced a control loop allowing the precise positioning of the printing lines in the vertical direction.
La sortie du convertisseur numérique analogique 17 est connectée sur l'une des entrées d'un amplificateur différentiel 22 dont les sorties vont exciter les électrodes du déviateur 19 lesquelles agiront horizontalement sur le jet d'encre.The output of the
L'autre entrée de l'amplificateur différentiel 22 reçoit une tension issue d'un circuit intégrateur 23, lui-même alimenté par un capteur d'impulsions 24 qui reçoit les signaux générés par un capteur optique 5 dont la fonction est de lire les traits tests verticaux inscrits au bout de chaque ligne d'impression.The other input of the
Par ce moyen, il est réalisé une boucle d'asservissement permettant le positionnement précis des lignes d'impression dans le sens horizontal.By this means, a control loop is made allowing the precise positioning of the printing lines in the horizontal direction.
- 1. Bobine1. Coil
- 2. Imprimante couleurs2. Color printer
- 3. Tête d'impression3. Print head
- 4. Rouleaux de guidage4. Guide rollers
- 5. Moyens de lecture ou capteur optique5. Reading means or optical sensor
- 6. Circuit électronique de correction6. Electronic correction circuit
- 7. Convertisseur analogique numérique7. Analog to digital converter
- 8. Ordinateur8. Computer
- 9. Interface9. Interface
- 10. Massicot ou lés10. Paper cutter or strips
- 11. Capteur optique d'extrémité11. Optical end sensor
- 12. Massicot ou cisaille12. Paper cutter or shears
- 13. Machine13. Machine
- 14. Table à translation automatique14. Automatic translation table
- 15. Circuit d'entrée tampon15. Buffer input circuit
- 16. Premier convertisseur numérique analogique16. First digital to analog converter
- 17. Deuxième convertisseur numérique analogique17. Second digital to analog converter
- 18. Amplificateur différentiel18. Differential amplifier
- 19. Electrodes du déviateur19. Diverter electrodes
- 20. Moyen d'intégration ou circuit intégrateur20. Means of integration or integrating circuit
- 21. Moyen de comptage des impulsions21. Means of counting pulses
- 22. Amplificateur différentiel22. Differential amplifier
- 23. Moyen d'intégration23. Means of integration
- 24. Moyen de comptage des impulsions24. Means of counting pulses
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP88400602A EP0332787A1 (en) | 1988-03-15 | 1988-03-15 | Device for printing and computer-controlled cutting for the production of wall-paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP88400602A EP0332787A1 (en) | 1988-03-15 | 1988-03-15 | Device for printing and computer-controlled cutting for the production of wall-paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0332787A1 true EP0332787A1 (en) | 1989-09-20 |
Family
ID=8200361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP88400602A Withdrawn EP0332787A1 (en) | 1988-03-15 | 1988-03-15 | Device for printing and computer-controlled cutting for the production of wall-paper |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP0332787A1 (en) |
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| EP0558236A2 (en) * | 1992-02-26 | 1993-09-01 | Canon Kabushiki Kaisha | Ink jet recording method and apparatus and recorded matter |
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| DE4425199A1 (en) * | 1994-07-16 | 1996-01-18 | Heinr Aug Schoeller Soehne Gmb | Printer system for corrugated paper |
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