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EP1159137B1 - Graphic printing machine for card-type storage medium, method for printing said storage media and storage media - Google Patents

Graphic printing machine for card-type storage medium, method for printing said storage media and storage media Download PDF

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Publication number
EP1159137B1
EP1159137B1 EP00907707A EP00907707A EP1159137B1 EP 1159137 B1 EP1159137 B1 EP 1159137B1 EP 00907707 A EP00907707 A EP 00907707A EP 00907707 A EP00907707 A EP 00907707A EP 1159137 B1 EP1159137 B1 EP 1159137B1
Authority
EP
European Patent Office
Prior art keywords
printing
machine according
card
cards
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00907707A
Other languages
German (de)
French (fr)
Other versions
EP1159137A1 (en
Inventor
Paul Morgavi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gemplus SA
Original Assignee
Gemplus Card International SA
Gemplus SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gemplus Card International SA, Gemplus SA filed Critical Gemplus Card International SA
Publication of EP1159137A1 publication Critical patent/EP1159137A1/en
Application granted granted Critical
Publication of EP1159137B1 publication Critical patent/EP1159137B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 arrangementsĀ  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangementsĀ  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00214—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
    • 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
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/12—Sheet holders, retainers, movable guides, or stationary guides specially adapted for small cards, envelopes, or the like, e.g. credit cards, cut visiting cards
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/07—Ink jet characterised by jet control
    • B41J2/125—Sensors, e.g. deflection sensors
    • 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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
    • B41J3/543—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements with multiple inkjet print heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • B42D15/02—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets
    • B42D15/04—Foldable or multi-part cards or sheets
    • B42D15/045—Multi-part cards or sheets, i.e. combined with detachably mounted articles

Definitions

  • the invention relates to a machine and a method printing for storage medium including type plastic cards and storage media printed according to the method.
  • Graphic printing means the realization surfaces having a patterned aesthetic effect decorative, photographic, etc. as opposed to printing alphanumeric characters online.
  • the invention applies to all applications cards and in particular to plastic cards such payment cards, credit cards, phone, mobile phone cards, cards authentication whether it is cards with a track magnetic and / or memory cards.
  • the memory cards include a electronic micromodule containing a circuit chip integrated with flush or contactless contacts, with one or more memories and most often a microprocessor or a magnetic track.
  • the invention also applies to smart cards with contact flush or contactless or with cards with electromagnetic antenna and / or chip integrated circuit.
  • EP-A-0 341 524 discloses a graphic printing machine such as defined in the preamble of claim 1.
  • the present invention makes it possible to remedy these disadvantages.
  • the invention makes it possible to print at rates industrial plastic cards of sizes and variable thicknesses which may include elements such as an electronic micromodule, a track magnetic, an electromagnetic antenna or other, which of course should not be printed and that without the need to have physical contact between the printing machine and print media.
  • the machine makes it possible to have the possibility of partially or completely changing information to print between two successive cards in the chain continues printing.
  • the printing machine according to the invention is suitable to print plastic supports what is the case the more often supports such as smart cards but also low-cost cards made of cardboard or paper.
  • the present invention therefore more particularly purpose of a printing machine for memory card type having at least one head ink jet and means for controlling said head to operate an inkjet printing on the said support.
  • Print media are plastic cards or cardboard or paper cards.
  • the ink or inks used are cross-linking inks by radiation.
  • the radiation used for the crosslinking is a ultraviolet radiation.
  • the ink or inks used are preferably aqueous inks or phase change or based on solvents.
  • said machine has a reader capable of reading information contained in said memory cards, particular information useful to the means of command and able to communicate said information read to said control means.
  • the information read, useful to the means of commands correspond to the information that one wants to print on the storage medium.
  • the machine comprises means for dynamically measuring parameters geometrical and / or positioning of a support for communicate this measurement information to the means of command.
  • the measuring means comprise a device for computer-aided vision including a camera video.
  • the machine comprises means for controlling the quality of the printing, disposed after the printhead (s) and adapted to communicate to the control means, information relating to any anomaly detected.
  • the machine comprises a support element to receive a plurality of board-type media to be continuously printed, said print media being disposed on the element support so that the head or heads of the machine scroll through the media to be printed.
  • the support element is a flat treadmill.
  • the support element is a drum.
  • the machine has a suction device, the drum being perforated, so as to maintain the print media on the support element during its displacement.
  • the machine has a system for reversing the supports to print for double-sided printing.
  • the machine has one or more printheads, these heads printing lines aligned in the direction of moving the support element and facing this latest.
  • the machine has one or more color printheads to print images of the photographic type or colored, and monochrome for marking.
  • the machine includes means to effect a transformation of the gel ink being printed and means for perform a crosslinking of the ink at the end of printing.
  • the means to operate a transformation of the gel ink comprises an optical fiber placed after each print head, connected to a source of light radiation.
  • Means for effecting a crosslinking of the ink at the end of printing include a lamp ultra violet radiation.
  • the invention also relates to a method graphical printing as defined in the claim 16.
  • the process comprises a step of freezing the surface of the ink droplet just after the impact of the drop on the support and especially before moving on to a new jet head ink for the next print.
  • the gel is carried out by UV radiation.
  • the printing is done according to geometrical parameters and / or pre-determined positions on each support to print.
  • the media printing method with sample collection geometric and / or positioning parameters can apply to any media to print.
  • the method comprises a varnishing step performed by inkjet.
  • FIG. 1 shows the case where the machine comprises several inkjet printing heads in particular, a head Tq making it possible, for example, to write text and the other heads T 1 , T 2 making it possible to make of color printing.
  • a head Tq making it possible, for example, to write text
  • the other heads T 1 , T 2 making it possible to make of color printing.
  • Each of the heads corresponds to a particular color
  • the inks used in this example are UV cross-linked inks.
  • UV ink such as adhesion, crosslinking speed, viscosity depending on the nature of the support.
  • Printheads are driven by a unit 40, which can be connected as it was says to a card reader 20 in case the card is a smart card and it contains a information relating to the reason to print.
  • the control unit 40 is produced by means of a microcomputer loaded with a printing program P 4 capable of driving the heads T 1 -T q for printing, either in a single pass or in several passes, of the cards in front of said heads.
  • the unit also controls the movements of the support element 60.
  • the player of 20 is placed right after this exit the hopper and allows you to read the content L information present in the map that the card is a smart card or a card without contact or a magnetic stripe card.
  • the information L from this reading are transmitted to the driving unit 40 of the machine that converts this electrical information in printable data for the heads.
  • the card is then routed under a 40-30 computer-aided vision device.
  • This device comprises, in addition to the video camera 30, a program P 3 loaded in the control unit 40 for example, to interpret the images from the video camera 30.
  • the program P 3 makes it possible to measure the external dimensions of the card as well as the size and the position of the elements on the surface of the card which must not be printed.
  • the computer-assisted vision device for example to measure the location of the electronic micromodule which includes a chip for a smart card, the magnetic stripe for a card magnetic, etc.
  • One or more heads T 1 -Tq are arranged above the cards Cp succeeding each other on the support 60.
  • the ink jet heads are aligned along the axis of movement of the cards above said cards.
  • an F1-Fq optical fiber after each print head to apply a radiation from a source SL able to start the crosslinking, ie transforming the drops gel ink and thus prevent the osmosis of the inks from color, the cross-linking being done at the end of the chain of printing by a radiation device by example UV providing more powerful radiation than that of the fibers.
  • the printing machine comprises a second camera 50 so as to achieve by the computer vision system a control of the quality of printing that has been performed on the cards.
  • the unit 40 comprises a program P 5 for analyzing the images taken by the camera 50. This program is capable of analyzing the colors, the ink marks, the possible scratches and to control the ejection of the images. cards considered as bad and / or to change the settings of inkjet printing in order to correct any colorimetric drift for example.
  • the radiation device 70 preferentially a UV radiation lamp (ultraviolet) for the ink used for printing on plastic, allows to cross-link the ink, that is to say to cause a rapid transformation of the state liquid or gel, in the solid state.
  • a UV radiation lamp ultraviolet
  • the cards then fall into a hopper 80 of recovery.
  • the machine is equipped with a device for reversing cards 90.
  • This device comprises for example a hatch in the recovery hopper 80, the opening of which is driven by the unit 40 which sends a command signal R for this purpose. It also includes a mechanism for flipping the card with recovery in a second hopper 10B distribution.
  • the printing can be done in one or several passages depending on the types of jet heads of ink used.
  • cards When cards are printed, they can to undergo a painting which consists of depositing by jet a layer of finishing material (varnish) which can have a protective and / or aesthetic function.
  • the opening can be done by a reserved head for this purpose for example.
  • the invention it is possible to deposit and to quickly cure drops of varnish selectively on a printed surface. Where appropriate, we can level the printed surface by depositing exactly the number of drops of varnish needed as far as the treatment is digital.
  • Figure 2 illustrates in a non-detailed and non-detailed complete an inkjet printing machine according to a first embodiment.
  • the element 60 card support comes in the form of a rug rolling 61 which allows to scroll the cards Cp which are placed on the carpet in front of several heads printing.
  • This embodiment illustrates a case where the machine has 8 inkjet heads.
  • the machine has corresponding heads in 4 basic colors and other colors such as orange, light cyan, or varnishes specific color (spot color in English terminology Saxon).
  • These print heads make it possible to realize the printing of photographic type images or colored.
  • the machine also has a monochrome head (black) for the printing of, for example, texts, barcodes or other).
  • black monochrome head
  • the control unit (no represented) is able to control the entire chain of to obtain 20,000 cards (faces) printed at time.
  • the carpet has a length, for example included between 4 and 5 meters. The impression is made in one single run.
  • Figure 3 illustrates in a non-detailed and non complete a printing machine according to a second embodiment, particularly adapted to printing in several passages.
  • the support 60 is consisting of a drum 62 rotatable about its X.
  • the cards are placed on the surface of the drum.
  • a suction device 63 will be provided to the inside of the drum 62 to maintain the cards Cp plated on the surface of the drum, said surface being perforated to allow suction under the cards.
  • the drum is one meter twenty diameter, we can have 36 cards and print them each in 6 turns.
  • the printing of each card in several passages can be made either by moving the drum compared to the heads either by moving the heads by compared to the drum.
  • control unit 40 The main purpose of the control unit 40 is to manage monochrome or color inkjet heads to reproduce the pattern (s) to be printed in taking into account information from reading electric card (if applicable), non-hazardous areas printable (card edge, micromodule, track magnetic) and color corrections of inks used.
  • faults or controlled printing drifts by the invention are, for example, non-linear lines printed or printed with different colors compared to the original.
  • the diagnosis made by the analysis program can be for example a problem nozzle which must then be purged or cleaned automatically.
  • the analysis program may include a definition of a signal acceptance model resulting from an image analysis that is compared to regular interval to a received signal corresponding to a determined analysis.
  • the printing machine can understand ways to implement several types of analysis requiring algorithms known to those skilled in the art and corresponding to subprograms a main program of analysis.
  • the different analyzes may be performed alternately or simultaneously and incidentally implemented by means of input and parallel processing or multitasking associated with VAO devices.
  • the main program can trigger signals acting in particular on print parameters of the head such as time or excitation voltage, the operating temperature (influencing the viscosity of the ink), the distribution of the pixels.
  • piezoelectric-type inkjet heads is to be able to accept strong inks viscosity, of different natures and operate at a high frequency.
  • the invention it is possible to perform a precise varnishing with a layer of finish on all or part of the surface of the support.
  • the finishing material can extend to the edges of the support and without encroaching on the conveyor system supports or even without overflowing on the edge of the support.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Ink Jet (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Credit Cards Or The Like (AREA)
  • Record Information Processing For Printing (AREA)

Abstract

A graphic printing machine and method for a card-type storage medium employs a jet printing head and a controller to perform ink jet printing on the medium. The invention is useful for printing plastic or cardboard or paper cards.

Description

L'invention concerne une machine et une procƩdƩ d'impression pour support de mƩmorisation notamment de type cartes plastiques et les supports de mƩmorisation imprimƩs selon le procƩdƩ.The invention relates to a machine and a method printing for storage medium including type plastic cards and storage media printed according to the method.

Elle vise plus particuliĆØrement une machine et un procĆ©dĆ© d'impression graphique notamment couleur et de haute qualitĆ© pour support de mĆ©morisation.It is more particularly a machine and a graphic printing process including color and high quality for storage media.

Par impression graphique on entend la rĆ©alisation de surfaces prĆ©sentant un effet esthĆ©tique Ć  motif dĆ©coratif, photographique, etc. par opposition Ć  l'impression de caractĆØres alphanumĆ©riques en ligne.Graphic printing means the realization surfaces having a patterned aesthetic effect decorative, photographic, etc. as opposed to printing alphanumeric characters online.

L'invention s'applique Ơ toutes les applications cartes et en particulier aux cartes plastiques telles que les cartes de paiement, les cartes de crƩdit, de tƩlƩphone, les cartes de tƩlƩphone mobile, les cartes d'authentification qu'il s'agisse de cartes avec piste magnƩtique et/ou de cartes de mƩmorisation.The invention applies to all applications cards and in particular to plastic cards such payment cards, credit cards, phone, mobile phone cards, cards authentication whether it is cards with a track magnetic and / or memory cards.

Les cartes de mƩmorisation comportent un micromodule Ʃlectronique contenant une puce de circuit intƩgrƩ avec contacts affleurants ou sans contact, avec une ou plusieurs mƩmoires et le plus souvent un microprocesseur ou une piste magnƩtique.The memory cards include a electronic micromodule containing a circuit chip integrated with flush or contactless contacts, with one or more memories and most often a microprocessor or a magnetic track.

L'invention s'applique Ʃgalement aux cartes Ơ puce avec contact affleurants ou sans contact ou encore aux cartes avec antenne ƩlectromagnƩtique et/ou avec puce de circuit intƩgrƩ.The invention also applies to smart cards with contact flush or contactless or with cards with electromagnetic antenna and / or chip integrated circuit.

Dans toute la suite on parlera pour simplifier indiffƩremment de support de mƩmorisation ou de cartes Ơ puce ou de cartes plastiques pour dƩsigner un support de type carte Ơ puce et/ou magnƩtique et/ou ƩlectromagnƩtique en plastique ou carton ou en papier.In all the following we will speak to simplify indifferently of storage media or cards chip or plastic cards to designate a support chip and / or magnetic card type and / or electromagnetic plastic or cardboard or paper.

Le marchƩ de l'impression graphique de haute qualitƩ pour supports tels que des cartes est aujourd'hui exclusivement dominƩ par des technologies traditionnelles qui sont l'offset, la sƩrigraphie ou la flexographie.The market of high graphic printing quality for media such as maps is today exclusively dominated by technologies which are offset, screen printing or flexography.

Ces technologies bien adaptƩes Ơ la production de masse, sont par contre non adaptƩes Ơ des supports qui ont des diffƩrences de niveau en surface notamment les embossages sur les cartes de crƩdit. En outre, elles peuvent endommager les circuits Ʃlectroniques que pourraient contenir la carte du fait de la pression exercƩe sur les supports notamment en ce qui concerne la technologie offset. Ces technologies ne sont pas simples d'utilisation car elles ne permettent pas d'imprimer des informations diffƩrentes d'un support Ơ l'autre prƩsentƩs successivement en continu sur une chaƭne d'impression.These technologies are well adapted to the production of mass, are on the other hand not adapted to have surface level differences including the embossing on credit cards. In addition, they can damage the electronic circuits that could contain the card because of the pressure exercised on the supports in particular as regards offset technology. These technologies are not easy to use because they do not allow to print different information from a support to the other presented successively continuously on a printing line.

Ces derniĆØres annĆ©es ont vu apparaĆ­tre une nouvelle gĆ©nĆ©ration d'Ć©quipements de type Ć©lectrophotographique qui permettent de modifier plus ou moins simplement des informations Ć  imprimer Ć  Ā« la volĆ©e Ā» ( c'est Ć  dire en cours de fonctionnement d'une chaĆ­ne d'impression) Ć  l'aide de programmes d'ordinateurs prĆ©Ć©tablis. Ces Ć©quipements ont l'inconvĆ©nients d'introduire des charges Ć©lectrostatiques qui pourraient endommager les circuits Ć©lectroniques contenus dans le support.In recent years there has been a new generation of electrophotographic equipment which make it possible to modify more or less simply information to be printed on the fly (ie during operation of a printing line) to using pre-established computer programs. These equipment have the disadvantages of introducing electrostatic charges that could damage the electronic circuits contained in the support.

Ils ont Ʃgalement l'inconvƩnient d'exercer une pression sur le support comme prƩcƩdemment et de nƩcessiter une bonne planƩitƩ de surface du supportThey also have the disadvantage of exercising a pressure on the support as before and require a good surface flatness of the support

De plus ces solutions sont uniquement adaptƩes Ơ des applications dans lesquelles les supports Ơ imprimer se trouvent sous la forme de rouleaux ou de feuilles de grandes dimensions.Moreover these solutions are only adapted to applications in which the media to print are in the form of rolls or large leaves.

Le document EP-A-0 341 524 dƩcrit une machine d'impression graphique telle que dƩfinie dans le prƩambule de la revendication 1.EP-A-0 341 524 discloses a graphic printing machine such as defined in the preamble of claim 1.

La prƩsente invention permet de remƩdier Ơ ces inconvƩnients.The present invention makes it possible to remedy these disadvantages.

Elle propose une machine d'impression graphique telle que dƩfinie dans la revendication 1.It offers a printing machine graphic as defined in claim 1.

L'invention permet d'imprimer Ć  des cadences industrielles des cartes plastiques de tailles et d'Ć©paisseurs variables susceptibles de comporter des Ć©lĆ©ments tels qu'un micromodule Ć©lectronique, une piste magnĆ©tique, une antenne Ć©lectromagnĆ©tique ou autre, qui ne doivent bien sĆ»r pas ĆŖtre imprimĆ©s et cela sans la nĆ©cessitĆ© d'avoir un contact physique entre la machine d'impression et le support Ć  imprimer.The invention makes it possible to print at rates industrial plastic cards of sizes and variable thicknesses which may include elements such as an electronic micromodule, a track magnetic, an electromagnetic antenna or other, which of course should not be printed and that without the need to have physical contact between the printing machine and print media.

Selon l'invention la machine permet d'avoir la possibilitĆ© de changer partiellement ou entiĆØrement les informations Ć  imprimer entre deux cartes successives dans la chaĆ­ne continue d'impression.According to the invention the machine makes it possible to have the possibility of partially or completely changing information to print between two successive cards in the chain continues printing.

La machine d'impression selon l'invention est apte Ơ imprimer des supports plastiques ce qui est le cas le plus souvent des supports tels que les cartes Ơ puce mais aussi des cartes Ơ faible coƻt en carton ou en papier.The printing machine according to the invention is suitable to print plastic supports what is the case the more often supports such as smart cards but also low-cost cards made of cardboard or paper.

La prĆ©sente invention a donc plus particuliĆØrement pour objet une machine d'impression pour support de mĆ©morisation de type carte comportant au moins une tĆŖte Ć  jet d'encre et des moyens de commande de ladite tĆŖte pour opĆ©rer une impression par jet d'encre sur le dit support.The present invention therefore more particularly purpose of a printing machine for memory card type having at least one head ink jet and means for controlling said head to operate an inkjet printing on the said support.

Les supports Ć  imprimer sont des cartes plastiques ou des cartes en carton ou en papier. Print media are plastic cards or cardboard or paper cards.

Dans le cas de cartes plastiques, l'encre ou les encres utilisƩes sont des encres Ơ rƩticulation par rayonnement.In the case of plastic cards, the ink or inks used are cross-linking inks by radiation.

Le rayonnement utilisƩ pour la rƩticulation est un rayonnement ultraviolet.The radiation used for the crosslinking is a ultraviolet radiation.

Dans le cas de cartes en carton ou en papier, l'encre ou les encres utilisƩes sont de prƩfƩrence des encres aqueuses ou Ơ changement de phase ou Ơ base de solvants.In the case of cardboard or paper cards, the ink or inks used are preferably aqueous inks or phase change or based on solvents.

Dans le cas de cartes Ơ mƩmorisation ladite machine comporte un lecteur apte Ơ lire des informations contenues dans lesdites cartes Ơ mƩmorisation, notamment des informations utiles aux moyens de commande et apte Ơ communiquer lesdites informations lues aux dits moyens de commande.In the case of memory cards said machine has a reader capable of reading information contained in said memory cards, particular information useful to the means of command and able to communicate said information read to said control means.

Les informations lues, utiles aux moyens de commandes correspondent aux informations que l'on dƩsire imprimer sur le support de mƩmorisation.The information read, useful to the means of commands correspond to the information that one wants to print on the storage medium.

Selon une autre caractĆ©ristique la machine comporte des moyens de mesure dynamique de paramĆØtres gĆ©omĆ©triques et/ou de positionnement d'un support pour communiquer ces informations de mesure aux moyens de commande.According to another characteristic the machine comprises means for dynamically measuring parameters geometrical and / or positioning of a support for communicate this measurement information to the means of command.

Les moyens de mesure comportent un dispositif de vision assistƩe par ordinateur comprenant une camƩra vidƩo.The measuring means comprise a device for computer-aided vision including a camera video.

Selon une autre caractĆ©ristique la machine comporte des moyens de contrĆ“le de la qualitĆ© de l'impression, disposĆ©s aprĆØs la ou les tĆŖtes d'impression et aptes Ć  communiquer aux moyens de commande, des informations relatives Ć  toute anomalie dĆ©tectĆ©e.According to another characteristic the machine comprises means for controlling the quality of the printing, disposed after the printhead (s) and adapted to communicate to the control means, information relating to any anomaly detected.

Selon une autre caractĆ©ristique la machine comporte un Ć©lĆ©ment support pour recevoir une pluralitĆ© de supports de type carte Ć  imprimer en continu, lesdits supports Ć  imprimer Ć©tant disposĆ©s sur l'Ć©lĆ©ment support de maniĆØre Ć  ce que la ou les tĆŖtes de la machine voient dĆ©filer les supports Ć  imprimer.According to another characteristic the machine comprises a support element to receive a plurality of board-type media to be continuously printed, said print media being disposed on the element support so that the head or heads of the machine scroll through the media to be printed.

Dans le cas de l'impression en un seul passage, l'ƩlƩment support est un tapis roulant plat.In the case of printing in a single pass, the support element is a flat treadmill.

Dans le cas de l'impression en plusieurs passages, l'ƩlƩment support est un tambour.In the case of multi-pass printing, the support element is a drum.

Selon une autre caractĆ©ristique, la machine comporte un dispositif d'aspiration, le tambour Ć©tant ajourĆ©, de maniĆØre Ć  maintenir les supports Ć  imprimer sur l'Ć©lĆ©ment support au cours de son dĆ©placement.According to another characteristic, the machine has a suction device, the drum being perforated, so as to maintain the print media on the support element during its displacement.

Selon une autre caractĆ©ristique, la machine comporte un systĆØme de retournement des supports Ć  imprimer pour l'impression double face.According to another characteristic, the machine has a system for reversing the supports to print for double-sided printing.

Selon une autre caractĆ©ristique, la machine comporte une ou plusieurs tĆŖtes d'impression, ces tĆŖtes d'impression Ć©tant alignĆ©es selon le sens de dĆ©placement de l'Ć©lĆ©ment support et en regard de ce dernier.According to another characteristic, the machine has one or more printheads, these heads printing lines aligned in the direction of moving the support element and facing this latest.

Selon une autre caractĆ©ristique, la machine comporte une ou plusieurs tĆŖtes d'impression en couleur pour imprimer des images du type photographique ou colorĆ©es, et monochromes pour du marquage.According to another characteristic, the machine has one or more color printheads to print images of the photographic type or colored, and monochrome for marking.

Selon une autre caractƩristique, la machine comporte des moyens pour opƩrer une transformation de l'encre en gel en cours d'impression et des moyens pour opƩrer une rƩticulation de l'encre en fin d'impression.According to another characteristic, the machine includes means to effect a transformation of the gel ink being printed and means for perform a crosslinking of the ink at the end of printing.

Les moyens pour opĆ©rer une transformation de l'encre en gel comprennent une fibre optique placĆ©e aprĆØs chaque tĆŖte d'impression, reliĆ©e Ć  une source de rayonnement lumineux.The means to operate a transformation of the gel ink comprises an optical fiber placed after each print head, connected to a source of light radiation.

Les moyens pour opƩrer une rƩticulation de l'encre en fin d'impression comprennent une lampe de rayonnement ultra violet. Means for effecting a crosslinking of the ink at the end of printing include a lamp ultra violet radiation.

L'invention concerne aussi un procƩdƩ d'impression graphique tel que dƩfini dans la revendication 16.The invention also relates to a method graphical printing as defined in the claim 16.

Selon une autre caractĆ©ristique le procĆ©dĆ© comprend une Ć©tape de gel de la surface de la goutte d'encre juste'aprĆØs l'impact de la goutte sur le support et notamment avant de passer Ć  une nouvelle tĆŖte jet d'encre pour l'impression suivante.According to another characteristic the process comprises a step of freezing the surface of the ink droplet just after the impact of the drop on the support and especially before moving on to a new jet head ink for the next print.

Le gel est effectuƩ par rayonnement UV.The gel is carried out by UV radiation.

Selon une autre caractĆ©ristique, l'impression s'effectue en fonction de paramĆØtres gĆ©omĆ©triques et/ou de positionnement prĆ©levĆ©s au prĆ©alable sur chaque support Ć  imprimer.According to another characteristic, the printing is done according to geometrical parameters and / or pre-determined positions on each support to print.

Bien que dĆ©crit pour l'application carte, le procĆ©dĆ© d'impression de support avec prĆ©lĆØvement de paramĆØtres gĆ©omĆ©triques et/ou de positionnement peut s'appliquer Ć  tout support Ć  imprimer.Although described for the map application, the media printing method with sample collection geometric and / or positioning parameters can apply to any media to print.

Selon une autre on utilise des tĆŖtes Ć  jet d'encre de type piezo-Ć©lectrique.According to another one uses inkjet heads piezo-electric type.

Selon une autre caractƩristique le procƩdƩ comporte une Ʃtape de vernissage rƩalisƩe par jet d'encre.According to another characteristic, the method comprises a varnishing step performed by inkjet.

D'autres particularitĆ©s et avantages de l'invention apparaĆ­tront Ć  la lecture de la description faite ci-aprĆØs qui est donnĆ©e Ć  titre d'exemple illustratif et en regard des dessins sur lesquels :

  • la figure 1, reprĆ©sente un schĆ©ma gĆ©nĆ©ral d'une machine d'impression selon l'invention ;
  • la figure 2, reprĆ©sente de faƧon schĆ©matique une machine d'impression Ć  jet d'encre selon un premier mode de rĆ©alisation de l'invention ;
  • la figure 3, reprĆ©sente de faƧon schĆ©matique une machine d'impression selon un deuxiĆØme mode de rĆ©alisation de l'invention ;
Other features and advantages of the invention will appear on reading the description given below which is given by way of illustrative example and with reference to the drawings in which:
  • Figure 1 shows a general diagram of a printing machine according to the invention;
  • Figure 2 schematically shows an inkjet printing machine according to a first embodiment of the invention;
  • Figure 3 schematically shows a printing machine according to a second embodiment of the invention;

Sur la figure 1, on a reprĆ©sentĆ© le cas oĆ¹ la machine comporte plusieurs tĆŖtes d'impression Ć  jet d'encre en particulier, une tĆŖte Tq permettant d'inscrire par exemple du texte et les autres tĆŖtes T1, T2 permettant de faire de l'impression couleur. Chacune des tĆŖtes correspond Ć  une couleur particuliĆØre, les encres utilisĆ©es dans cet exemple sont des encres Ć  rĆ©ticulation UV .FIG. 1 shows the case where the machine comprises several inkjet printing heads in particular, a head Tq making it possible, for example, to write text and the other heads T 1 , T 2 making it possible to make of color printing. Each of the heads corresponds to a particular color, the inks used in this example are UV cross-linked inks.

De meilleurs rĆ©sultats peuvent ĆŖtre obtenus en amĆ©liorant certaines caractĆ©ristiques de l'encre UV comme l'adhĆ©rence, la vitesse de rĆ©ticulation, la viscositĆ© en fonction de la nature du support.Better results can be obtained by improving certain characteristics of the UV ink such as adhesion, crosslinking speed, viscosity depending on the nature of the support.

Les tĆŖtes d'impression sont pilotĆ©es par une unitĆ© de commande 40, laquelle peut ĆŖtre reliĆ©e comme on l'a dit Ć  un lecteur de cartes 20 dans le cas oĆ¹ la carte est une carte Ć  puce et qu'elle contient une information relative au motif Ć  imprimer.Printheads are driven by a unit 40, which can be connected as it was says to a card reader 20 in case the card is a smart card and it contains a information relating to the reason to print.

L'unitĆ© de commande 40 est rĆ©alisĆ©e au moyen d'un microordinateur chargĆ© d'un programme P4 d'impression apte Ć  piloter les tĆŖtes T1-Tq pour l'impression, soit en un seul passage soit en plusieurs passages, des cartes devant lesdites tĆŖtes. A cette fin, l'unitĆ© pilote Ć©galement les mouvements de l'Ć©lĆ©ment support 60.The control unit 40 is produced by means of a microcomputer loaded with a printing program P 4 capable of driving the heads T 1 -T q for printing, either in a single pass or in several passes, of the cards in front of said heads. For this purpose, the unit also controls the movements of the support element 60.

En entrƩe de la chaƭne d'impression, on a placƩ un chargeur de grande capacitƩ 10A de type trƩmie de distribution pour distribuer les cartes Cp successivement sur le tapis Ơ la cadence dƩsirƩe. La distribution est pilotƩe par l'unitƩ 40.At the entrance of the printing line, we placed a 10A Hopper Type Large Capacity Loader distribution to distribute the Cp cards successively on the carpet at the desired rate. The distribution is driven by unit 40.

Le lecteur de 20 est placĆ© juste aprĆØs cette sortie de la trĆ©mie de distribution et permet de lire le contenu L des informations prĆ©sentes dans la carte que la carte soit une carte Ć  puce ou une carte sans contact ou une carte Ć  piste magnĆ©tique. Les informations L issues de cette lecture sont transmises Ć  l'unitĆ© de pilotage 40 de la machine qui convertit ces informations Ć©lectriques en donnĆ©es imprimables pour les tĆŖtes.The player of 20 is placed right after this exit the hopper and allows you to read the content L information present in the map that the card is a smart card or a card without contact or a magnetic stripe card. The information L from this reading are transmitted to the driving unit 40 of the machine that converts this electrical information in printable data for the heads.

AprĆØs cette opĆ©ration, la carte est ensuite acheminĆ©e sous un dispositif de vision assistĆ©e par ordinateur 40-30. Ce dispositif comprend, outre la camĆ©ra vidĆ©o 30, un programme P3 chargĆ© dans l'unitĆ© de commande 40 par exemple, pour interprĆ©ter les images issues de la camĆ©ra vidĆ©o 30.After this operation, the card is then routed under a 40-30 computer-aided vision device. This device comprises, in addition to the video camera 30, a program P 3 loaded in the control unit 40 for example, to interpret the images from the video camera 30.

Le programme P3 permet de mesurer les dimensions extĆ©rieures de la carte ainsi que la taille et la position des Ć©lĆ©ments Ć  la surface de la carte qui ne doivent pas ĆŖtre imprimĆ©s.The program P 3 makes it possible to measure the external dimensions of the card as well as the size and the position of the elements on the surface of the card which must not be printed.

Le dispositif de vision assistƩe par ordinateur permet par exemple de mesurer l'emplacement du micromodule Ʃlectronique qui comporte une puce pour une carte Ơ puce, la piste magnƩtique pour une carte magnƩtique, etc.The computer-assisted vision device for example to measure the location of the electronic micromodule which includes a chip for a smart card, the magnetic stripe for a card magnetic, etc.

Une ou plusieurs tĆŖtes T1-Tq sont disposĆ©es au-dessus des cartes Cp qui se succĆØdent sur le support 60. Les tĆŖtes Ć  jet d'encre sont alignĆ©es selon l'axe de dĆ©placement des cartes au-dessus desdites cartes.One or more heads T 1 -Tq are arranged above the cards Cp succeeding each other on the support 60. The ink jet heads are aligned along the axis of movement of the cards above said cards.

Pour amĆ©liorer les cadences des machines d'impression de supports de type carte plastique tout en assurant une bonne qualitĆ© Ć  l'impression, il est Ć©galement proposĆ© d'utiliser une fibre optique F1- Fq aprĆØs chaque tĆŖte d'impression pour appliquer un rayonnement issu d'une source SL apte Ć  dĆ©marrer la rĆ©ticulation, c'est Ć  dire transformer les gouttes d'encre en gel et empĆŖcher ainsi l'osmose des encres de couleur, la rĆ©ticulation se faisant en fin de chaĆ­ne d'impression par un dispositif de rayonnement par exemple UV fournissant un rayonnement plus puissant que celui des fibres.To improve the rates of the machines print media type plastic card any by ensuring good quality in printing, it is also proposed to use an F1-Fq optical fiber after each print head to apply a radiation from a source SL able to start the crosslinking, ie transforming the drops gel ink and thus prevent the osmosis of the inks from color, the cross-linking being done at the end of the chain of printing by a radiation device by example UV providing more powerful radiation than that of the fibers.

L'utilisation des fibres comme cela vient d'ĆŖtre dĆ©crit permet en outre de contrĆ“ler la dimension des gouttes car en les gelant (transformation en gel) on arrĆŖte leur Ć©talement.The use of fibers as just been described further allows to control the dimension of drops because by freezing (transformation into gel) one stop their spreading.

La machine d'impression comporte une deuxiĆØme camĆ©ra 50 de maniĆØre Ć  rĆ©aliser par le systĆØme de vision assistĆ©e par ordinateur un contrĆ“le de la qualitĆ© de l'impression qui a Ć©tĆ© rĆ©alisĆ©e sur les cartes. A cette fin, l'unitĆ© 40 comporte un programme P5 d'analyse des images A prises par la camĆ©ra 50. Ce programme est apte Ć  analyser les couleurs, les marques d'encres, les rayures Ć©ventuelles et Ć  commander l'Ć©jection des cartes considĆ©rĆ©es comme mauvaises et/ou Ć  modifier les paramĆØtres d'impression jet d'encre afin de corriger toute dĆ©rive colorimĆ©trique par exemple.The printing machine comprises a second camera 50 so as to achieve by the computer vision system a control of the quality of printing that has been performed on the cards. To this end, the unit 40 comprises a program P 5 for analyzing the images taken by the camera 50. This program is capable of analyzing the colors, the ink marks, the possible scratches and to control the ejection of the images. cards considered as bad and / or to change the settings of inkjet printing in order to correct any colorimetric drift for example.

Et enfin, le dispositif de rayonnement 70, prƩfƩrentiellement une lampe de rayonnement d'UV (ultraviolet) pour l'encre servant Ơ l'impression sur du plastique, permet de rƩticuler l'encre, c'est-Ơ-dire de provoquer une transformation rapide de l'Ʃtat liquide ou de gel, Ơ l'Ʃtat solide.And finally, the radiation device 70, preferentially a UV radiation lamp (ultraviolet) for the ink used for printing on plastic, allows to cross-link the ink, that is to say to cause a rapid transformation of the state liquid or gel, in the solid state.

Les cartes tombent ensuite dans une trƩmie 80 de rƩcupƩration.The cards then fall into a hopper 80 of recovery.

Dans le cas d'une impression double face, la machine est ƩquipƩe d'un dispositif de retournement des cartes 90. In the case of double-sided printing, the machine is equipped with a device for reversing cards 90.

Ce dispositif comporte par exemple une trappe dans la trĆ©mie de rĆ©cupĆ©ration 80, dont l'ouverture est pilotĆ©e par l'unitĆ© 40 qui envoie un signal de commande R Ć  cet effet. Il comporte en outre un mĆ©canisme de retournement de la carte avec rĆ©cupĆ©ration dans une deuxiĆØme trĆ©mie 10B de distribution.This device comprises for example a hatch in the recovery hopper 80, the opening of which is driven by the unit 40 which sends a command signal R for this purpose. It also includes a mechanism for flipping the card with recovery in a second hopper 10B distribution.

L'impression pourra ĆŖtre effectuĆ©e en un ou plusieurs passages selon les types de tĆŖtes Ć  jet d'encre utilisĆ©es.The printing can be done in one or several passages depending on the types of jet heads of ink used.

Lorsque les cartes sont imprimĆ©es, elles peuvent subir un vernissage qui consiste Ć  dĆ©poser par jet d'encre une couche de matĆ©riau de finition (vernis) qui peut avoir une fonction de protection et/ou esthĆ©tique. Le vernissage peut ĆŖtre effectuĆ© par une tĆŖte rĆ©servĆ©e Ć  cet effet par exemple.When cards are printed, they can to undergo a painting which consists of depositing by jet a layer of finishing material (varnish) which can have a protective and / or aesthetic function. The opening can be done by a reserved head for this purpose for example.

GrĆ¢ce Ć  l'invention, il est possible de dĆ©poser et de rĆ©ticuler rapidement des gouttes de vernis sĆ©lectivement sur une surface imprimĆ©e. Le cas Ć©chĆ©ant, on peut niveler la surface imprimĆ©e en dĆ©posant exactement le nombre de gouttes de vernis nĆ©cessaire dans la mesure ou le traitement est numĆ©rique.Thanks to the invention, it is possible to deposit and to quickly cure drops of varnish selectively on a printed surface. Where appropriate, we can level the printed surface by depositing exactly the number of drops of varnish needed as far as the treatment is digital.

La figure 2 illustre de faƧon non dĆ©taillĆ©e et non complĆØte une machine Ć  impression par jet d'encre selon un premier mode de rĆ©alisation.Figure 2 illustrates in a non-detailed and non-detailed complete an inkjet printing machine according to a first embodiment.

Selon ce premier mode de rĆ©alisation, l'Ć©lĆ©ment 60 support des cartes se prĆ©sente sous la forme d'un tapis roulant 61 qui permet de faire dĆ©filer les cartes Cp qui sont placĆ©es sur le tapis devant plusieurs tĆŖtes d'impression.According to this first embodiment, the element 60 card support comes in the form of a rug rolling 61 which allows to scroll the cards Cp which are placed on the carpet in front of several heads printing.

Ce mode de rĆ©alisation illustre un cas oĆ¹ la machine comporte 8 tĆŖtes Ć  jet d'encre. Selon l'exemple illustrĆ©, la machine comporte des tĆŖtes correspondant aux 4 couleurs fondamentales et d'autre couleurs telles que le orange, le cyan clair, ou des vernis de couleur spĆ©cifique (spot color en terminologie anglo saxone). Ces tĆŖtes d'impression permettent de rĆ©aliser l'impression d'images de type photographiques ou colorĆ©es.This embodiment illustrates a case where the machine has 8 inkjet heads. According to the example illustrated, the machine has corresponding heads in 4 basic colors and other colors such as orange, light cyan, or varnishes specific color (spot color in English terminology Saxon). These print heads make it possible to realize the printing of photographic type images or colored.

La machine comporte Ć©galement une tĆŖte monochrome (noir) pour l'impression par exemple de textes, de codes barres ou autre).The machine also has a monochrome head (black) for the printing of, for example, texts, barcodes or other).

Il s'agit de tĆŖtes ayant une rĆ©solution de 600 Dpi avec 1.536 jets par tĆŖte, utilisant des encres Ć  rĆ©ticulation par UV. L'unitĆ© de commande (non reprĆ©sentĆ©e) est apte Ć  piloter toute la chaĆ­ne de maniĆØre Ć  obtenir 20.000 cartes (faces) imprimĆ©es Ć  l'heure. Le tapis a une longueur, par exemple comprise entre 4 et 5 mĆØtres. L'impression est rĆ©alisĆ©e en un seul passage.These are heads with a resolution of 600 Dpi with 1,536 jets per head, using inks at UV crosslinking. The control unit (no represented) is able to control the entire chain of to obtain 20,000 cards (faces) printed at time. The carpet has a length, for example included between 4 and 5 meters. The impression is made in one single run.

La figure 3 illustre de faƧon non dĆ©taillĆ©e et non complĆØte une machine Ć  impression selon un deuxiĆØme mode de rĆ©alisation, particuliĆØrement adaptĆ© Ć  l'impression en plusieurs passages.Figure 3 illustrates in a non-detailed and non complete a printing machine according to a second embodiment, particularly adapted to printing in several passages.

Dans ce mode de rƩalisation, le support 60 est constituƩ d'un tambour 62 pouvant tourner autour de son axe X. Les cartes sont disposƩes Ơ la surface du tambour. Un dispositif d'aspiration 63 sera prƩvu Ơ l'intƩrieur du tambour 62 pour maintenir les cartes Cp plaquƩes Ơ la surface du tambour, ladite surface Ʃtant perforƩe pour permettre l'aspiration sous les cartes.In this embodiment, the support 60 is consisting of a drum 62 rotatable about its X. The cards are placed on the surface of the drum. A suction device 63 will be provided to the inside of the drum 62 to maintain the cards Cp plated on the surface of the drum, said surface being perforated to allow suction under the cards.

A titre d'exemple, le tambour a un mĆØtre vingt de diamĆØtre, on peut disposer 36 cartes et les imprimer chacune en 6 tours.For example, the drum is one meter twenty diameter, we can have 36 cards and print them each in 6 turns.

On utilise 8 tĆŖtes Ć  256 jets par tĆŖte utilisant des encres Ć  rĆ©ticulation UV et ayant une rĆ©solution de 600 Dpi. Il est possible avec cette solution d'imprimer 6.000 cartes par heure. GrĆ¢ce Ć  l'invention, il est possible d'obtenir des impressions graphiques ayant une densitĆ© de points, supĆ©rieure Ć  400 Dpi et de prĆ©fĆ©rence supĆ©rieure ou Ć©gale Ć  600 Dpi.We use 8 heads with 256 jets per head using UV crosslinking inks and having a resolution of 600 Dpi. It is possible with this solution to print 6.000 cards per hour. Thanks to the invention, it is possible to obtain graphic prints having a density of points, greater than 400 Dpi and preference greater than or equal to 600 Dpi.

L'impression de chaque carte en plusieurs passages peut ĆŖtre faite soit en mettant en mouvement le tambour par rapport aux tĆŖtes soit en dĆ©plaƧant les tĆŖtes par rapport au tambour.The printing of each card in several passages can be made either by moving the drum compared to the heads either by moving the heads by compared to the drum.

L'unitĆ© de pilotage 40 a pour fonction principale de gĆ©rer les tĆŖtes de jet d'encre monochrome ou couleur afin de reproduire le ou les motifs Ć  imprimer en tenant compte des informations venant de la lecture Ć©lectrique de la carte (s'il y a lieu), des zones non imprimables (bord de carte, micromodule, piste magnĆ©tique) et des corrections colorimĆ©triques des encres utilisĆ©es.The main purpose of the control unit 40 is to manage monochrome or color inkjet heads to reproduce the pattern (s) to be printed in taking into account information from reading electric card (if applicable), non-hazardous areas printable (card edge, micromodule, track magnetic) and color corrections of inks used.

On peut prĆ©voir Ć©galement en entrĆ©e de chaĆ­ne un systĆØme qui permet de nettoyer les cartes, un jet d'air par exemple qui soufflerait de l'air au-dessus des cartes qui seront ainsi prĆŖtes Ć  ĆŖtre imprimĆ©es.We can also provide chain entry a system that cleans the cards, a jet of air for example who would blow air over cards that will be ready for printing.

Pour geler l'encre en surface sans rƩticuler en profondeur, on agit de prƩfƩrence sur une modulation de longueur d'onde UV. On obtient alors une peau superficielle sur l'encre ou une rƩticulation de surface. En particulier, on peut utiliser des moyens d'Ʃmission de rayonnements de type UVC. Pour rƩticuler les encres non cationiques en profondeur en fin d'impression, on utilise des rayonnements de type UVA.To freeze the ink on the surface without cross-linking depth, it acts preferably on a modulation of UV wavelength. We then obtain a skin superficial on the ink or a crosslinking of area. In particular, it is possible to use means emission of UVC type radiation. To crosslink the non-cationic inks in depth at the end printing, using UVA type radiation.

Parmi des dĆ©fauts ou dĆ©rives d'impression contrĆ“lĆ©s par l'invention se trouvent par exemple, les lignes non imprimĆ©es ou imprimĆ©es avec des couleurs diffĆ©rentes par rapport Ć  l'original. Le diagnostic rĆ©alisĆ© par le programme d'analyse peut ĆŖtre par exemple un problĆØme de buse qu'il faut alors purger ou nettoyer automatiquement. Among faults or controlled printing drifts by the invention are, for example, non-linear lines printed or printed with different colors compared to the original. The diagnosis made by the analysis program can be for example a problem nozzle which must then be purged or cleaned automatically.

Il peut Ć©galement y avoir des dĆ©rives colorimĆ©triques par rapport Ć  un modĆØle tĆ©moin prĆ©enregistrĆ©. Le programme d'analyse peut comporter une dĆ©finition d'un modĆØle d'acceptation d'un signal rĆ©sultant d'une analyse d'image qui est comparĆ© Ć  intervalle rĆ©gulier Ć  un signal reƧu correspondant Ć  une analyse dĆ©terminĆ©e. La machine d'impression peut comprendre des moyens aptes Ć  mettre en oeuvre plusieurs types d'analyses nĆ©cessitant des algorithmes connus de l'homme de l'art et correspondant Ć  des sous-programmes d'un programme principal d'analyse. Les diffĆ©rentes analyses peuvent ĆŖtre rĆ©alisĆ©es alternativement ou simultanĆ©ment et accessoirement mis en oeuvre par des moyens de saisie et traitement en parallĆØle ou multitĆ¢ches associĆ©s Ć  des dispositifs VAO.There may also be drifts colorimetric compared to a control model prerecorded. The analysis program may include a definition of a signal acceptance model resulting from an image analysis that is compared to regular interval to a received signal corresponding to a determined analysis. The printing machine can understand ways to implement several types of analysis requiring algorithms known to those skilled in the art and corresponding to subprograms a main program of analysis. The different analyzes may be performed alternately or simultaneously and incidentally implemented by means of input and parallel processing or multitasking associated with VAO devices.

On peut analyser par exemple, l'absence ou prĆ©sence d'impression en des points donnĆ©s, le taux de pixels imprimĆ©s ou taux de corrĆ©lation entre un modĆØle thĆ©orique et le modĆØle rĆ©ellement imprimĆ©, la prĆ©sence de rayures par dĆ©tection d'une quantitĆ© continue de points non imprimĆ©s, la dĆ©rive colorimĆ©trique. Le programme principal peut dĆ©clencher des signaux agissant notamment sur des paramĆØtres d'impression de la tĆŖte tels que le temps ou la tension d'excitation, la tempĆ©rature de fonctionnement (influant sur la viscositĆ© de l'encre), la distribution des pixels.We can analyze, for example, the absence or presence of printing at given points, the pixel rate printed matter or correlation rate between a model theory and the model actually printed, the presence scratches by detecting a continuous amount of non-printed dots, colorimetric drift. The main program can trigger signals acting in particular on print parameters of the head such as time or excitation voltage, the operating temperature (influencing the viscosity of the ink), the distribution of the pixels.

La gĆ©omĆ©trie des cartes, des pistes magnĆ©tiques, des modules Ć©tant variables du fait des tolĆ©rances de fabrication et de la tolĆ©rance admise notamment par les normes ISO 7810 et 7811, ou leur position sur le systĆØme de convoyage, on comprend l'intĆ©rĆŖt de l'invention de prĆ©senter un systĆØme de repĆ©rage gĆ©omĆ©trique de la carte par un systĆØme de V.A.O comprenant une ou plusieurs camĆ©ras vidĆ©o. Ainsi, on Ć©vite par exemple des impressions Ć  des endroits non souhaitĆ©s tels que le module, le systĆØme de convoyage...The geometry of maps, magnetic tracks, modules being variable because of the tolerances of manufacture and the tolerance allowed in particular by ISO 7810 and 7811, or their position on the conveying system, we understand the interest of the invention to present a tracking system geometric map by a V.A.O system comprising one or more video cameras. So, we avoids, for example, impressions in places not such as the module, the conveyor system ...

L'avantage des tĆŖtes Ć  jet d'encre de type piĆ©zo-Ć©lectrique est de pouvoir accepter des encres de forte viscositĆ©, de natures diffĆ©rentes et de fonctionner Ć  une frĆ©quence Ć©levĆ©e.The advantage of piezoelectric-type inkjet heads is to be able to accept strong inks viscosity, of different natures and operate at a high frequency.

GrĆ¢ce Ć  l'invention, il est possible d'effectuer un vernissage prĆ©cis avec une couche de matĆ©riau de finition sur la totalitĆ© ou une partie de la surface du support. Le matĆ©riau de finition peut s'Ć©tendre jusqu'aux bords du support et sans empiĆ©ter sur le systĆØme de convoyage des supports ou mĆŖme sans dĆ©border sur la tranche du support.Thanks to the invention, it is possible to perform a precise varnishing with a layer of finish on all or part of the surface of the support. The finishing material can extend to the edges of the support and without encroaching on the conveyor system supports or even without overflowing on the edge of the support.

Claims (17)

  1. A graphics printing machine for printing graphics onto at least one memory medium such as a smart card (Cn) made of plastic, card, paper, or the like; the machine comprising at least one ink jet head (T1-Tq) and control means (40) for controlling the head so as to effect ink jet printing on the card (Cn), and measurement means comprising a computer aided vision system having one or more video cameras, said machine being characterized in that it further comprises dynamic measurement means for dynamically measuring geometrical shape and/or positioning parameters relating to the card (Cn), for the purpose of transmitting this measurement information to the control means (40).
  2. A machine according to claim 1, characterized in that it further comprises quality control means for inspecting the quality of printing (50), which means are suitable for modifying the ink jet printing parameters and are disposed after the print head.
  3. A machine according to claim 1 or claim 2, characterized in that, when the media are plastics cards (Cn), the ink or the inks used are inks that are curable by radiation, e.g. ultraviolet radiation.
  4. A machine according to claim 1 or claim 2, characterized in that, when the media are cards made of card or of paper, the ink or the inks are water-based, phase-change, or solvent-based inks.
  5. A machine according to any one claims 1 to 4, characterized in that, when the media are memory cards, the machine further comprises a reader (L) suitable for reading information contained in the card, in particular information useful to the control means (40), so as to transmit said information to them.
  6. A machine according to claim 5, characterized in that the information read that is useful to the control means corresponds to information that is to be printed on the memory card by the machine.
  7. A machine according to any one of claims 1 to 6, characterized in that it further comprises a support element (60) for receiving a plurality of cards to be printed continuously, which cards are disposed on the support element so that the head of the machine sees them go past.
  8. A machine according to claim 7, characterized in that the support element comprises a flat conveyor belt (61).
  9. A machine according to claim 7 or claim 8, characterized in that the support element comprises a drum (62).
  10. A machine according to any one of claims 7 to 9, characterized in that it further comprises a suction device (63), the support element being perforated, so as to hold the cards as it advances.
  11. A machine according to any one of claims 1 to 10, characterized in that it further comprises a turnover system (90) for turning the cards over for printing on both sides of the cards.
  12. A machine according to any one of claims 7 to 11, characterized in that it further comprises a plurality of print heads (T1-Tq) aligned in the direction of advance of the support element and facing said support element, e.g. at least one color print head making it possible to print images of the photographic or colored type and/or at least one monochrome print head for marking purposes.
  13. A machine according to any one of claims 1 to 12, characterized in that it further comprises means (F1-Fq, SL) for transforming the ink into gel during printing, by wavelength modulation, remote from the card (Cn).
  14. A machine according to claim 13, characterized in that it further comprises means for transforming ink into gel, which means comprise an optical fiber placed after each print head, and connected to a light radiation source, said means (F1-Fq, SL) comprising UVC radiation emitter means.
  15. A machine according to any one of claims 1 to 14, characterized in that it further comprises means (70) for curing the ink at the end of printing, with, for example, an ultraviolet radiation lamp.
  16. A machine according to any one of claims 1 to 15, characterized in that it further comprises means for printing a finishing material, such as a varnish, by ink jet, as a function of geometrical and/or positioning parameters relating to the card (Cn) to be printed.
  17. A method of printing graphics by means of a machine according to any one of claims 1 to 16, characterized in that the printing takes place as a function of previously taken geometrical and/or positioning parameters relating to each card or the like to be printed.
EP00907707A 1999-03-01 2000-02-21 Graphic printing machine for card-type storage medium, method for printing said storage media and storage media Expired - Lifetime EP1159137B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9902515A FR2790421A1 (en) 1999-03-01 1999-03-01 GRAPHIC PRINTING MACHINE FOR CARD-TYPE STORAGE MEDIUM, GRAPHIC PRINTING METHOD OF SAID STORAGE MEDIA AND STORAGE MEDIUM
FR9902515 1999-03-01
PCT/FR2000/000454 WO2000051818A1 (en) 1999-03-01 2000-02-21 Graphic printing machine for card-type storage medium, method for printing said storage media and storage media

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EP1159137A1 EP1159137A1 (en) 2001-12-05
EP1159137B1 true EP1159137B1 (en) 2003-07-09

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US (2) US7286257B1 (en)
EP (1) EP1159137B1 (en)
CN (1) CN1182961C (en)
AT (1) ATE244641T1 (en)
AU (1) AU2920500A (en)
CA (1) CA2364092C (en)
DE (1) DE60003792T2 (en)
ES (1) ES2202063T3 (en)
FR (1) FR2790421A1 (en)
WO (1) WO2000051818A1 (en)

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AU2920500A (en) 2000-09-21
DE60003792D1 (en) 2003-08-14
CA2364092C (en) 2010-04-20
EP1159137A1 (en) 2001-12-05
ES2202063T3 (en) 2004-04-01
US7286257B1 (en) 2007-10-23
CN1182961C (en) 2005-01-05
DE60003792T2 (en) 2004-04-22
CN1342116A (en) 2002-03-27
WO2000051818A1 (en) 2000-09-08
US20140063086A1 (en) 2014-03-06
FR2790421A1 (en) 2000-09-08
ATE244641T1 (en) 2003-07-15
CA2364092A1 (en) 2000-09-08

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