OCE-TECHNOLOGIES B.V. Patent applications |
Patent application number | Title | Published |
20160142571 | CALIBRATION SYSTEM FOR A CONVEYOR MECHANISM AND A METHOD FOR CALIBRATING A CONVEYOR MECHANISM - The present invention provides a calibration system, comprising a movable conveyor body configured to hold a plurality of sheets, and a drive mechanism which supports and/or drives the movement of the conveyor body to convey the sheets along a transport path. The calibration system is adapted or configured to detect a position and/or a speed of the conveyor body as it conveys the sheets, the calibration system comprising one or more markers which are provided on or in the conveyor body and a sensor arrangement for detecting each marker at two or more discrete positions spaced apart from one another. The markers are distributed along and fixed with respect to the conveyor body, wherein each marker is uniquely identifiable or distinguishable by the sensor arrangement. The present invention also provides an associated method of calibrating a sheet conveyor mechanism. | 05-19-2016 |
20160137447 | CONVEYOR MECHANISM AND A METHOD FOR ADJUSTING A CONVEYOR MECHANISM - The present invention provides a conveyor mechanism for conveying sheets. The conveyor mechanism comprises a movable conveyor body, a drive mechanism, and an adjustment system configured to detect and correct skewing of the conveyor body, comprising one or more markers provided on or in the conveyor body, a sensor arrangement for detecting each marker at two or more discrete positions, and a processor to determine the skewing of the conveyor body. The conveyor body and the drive mechanism of the conveyor mechanism are mounted on a movable conveyor frame, and the adjustment system includes a frame shifting device comprising one or one or more actuator for shifting or moving the conveyor frame relative to a fixed framework. The invention also provides a related method of correcting skewing in a conveyor mechanism for conveying sheets along a transport path. | 05-19-2016 |
20160137442 | SHEET HANDLING APPARATUS WITH ROTARY DRUM - A sheet handling apparatus comprising a rotary drum having an outer peripheral wall with perforations, and a number of separate chambers, a suction system for controlling a flow of air through the perforations, thereby to attract sheets to the peripheral wall of the drum, and a stationary shutter member for blocking the flow of air through the perforations when they pass through a predetermined angular range. The number of separate chambers extend in axial direction and are distributed over the periphery of the drum. A disk-shaped manifold at the first axial end of the drum is co-rotatably with the drum. The manifold forms a number of radial channels each connected to one of said chambers and having an opening at a radially inward end of each channel. The stationary shutter member is arranged for blocking an opening of a channel to block air flow from a radially inward end of a channel. | 05-19-2016 |
20160137441 | TRANSPORT MECHANISM AND METHOD FOR TRANSPORTING A PRINT MEDIUM IN A PRINTING SYSTEM - A transport mechanism is provided for transporting sheets of a print medium in a printing system. The transport mechanism includes a first conveyor device having a first conveyor body which is configured to hold a plurality of sheets of print medium and is movable to convey the sheets along the transport path; and a transfer system including a second conveyor device having a second conveyor body which is configured to hold the sheets and is movable to convey the sheets further along the transport path. The transfer system is configured to transfer the sheets from the first conveyor body to the second conveyor body in a transfer region. The second conveyor body is arranged adjacent the first conveyor body in the transfer region, and the transfer system includes a suction device configured to provide an under-pressure at the second conveyor body for contactless transfer of the sheets from the first conveyor body to the second conveyor body. An associated method of transporting sheets of a print medium in a printing system is also disclosed. | 05-19-2016 |
20160136979 | TRANSPORT MECHANISM AND METHOD FOR TRANSPORTING A PRINT MEDIUM IN A PRINTING SYSTEM - A transport mechanism is provided for transporting sheets of a print medium in a printing system. The transport mechanism include a first conveyor device having a first conveyor body which is configured to support a plurality of sheets of print medium, the first conveyor body being movable to convey the sheets along the transport path in the printing system; and a transfer system including a second conveyor device having a movable second conveyor body for supporting the sheets of print medium and conveying the sheets further along the transport path, the transfer system being configured to transfer the sheets of print medium from the first conveyor body to the second conveyor body in a transfer region. The second conveyor body is arranged adjacent or proximate to the first conveyor body in the transfer region, and the transfer system includes spacer means which is configured to maintain a predefined spacing between the first conveyor body and the second conveyor body in the transfer region. An associated method of transporting sheets of a print medium in a printing system is also disclosed. | 05-19-2016 |
20160136974 | APPARATUS FOR COOLING MEDIA SHEETS - An apparatus for cooling media sheets in a printer includes a number of cooling units, a conveyor having a first conveyor path adapted to feed the media sheets successively through the cooling units, and a switch adapted to deflect selected ones of the media sheets into a second conveyor path. The switch is disposed upstream of a last one of the cooling units and downstream of a first one of the cooling units. The second conveyor path bypasses the last one of the cooling units. The conveyor includes a decelerating mechanism configured to decelerate the sheets in the first conveyor path between the first one of the cooling units and the last one of the cooling units. | 05-19-2016 |
20160129709 | DEVICE FOR REDIRECTING SHEETS IN A PRINTING SYSTEM - A device for redirecting sheets in a sheet transport mechanism, especially sheets of a print medium in a printing system includes a support member, which carries or supports at least one guide member for directing a path of travel of a sheet. The support member is configured to be mounted adjacent a first transport path of a plurality of sheets and such that the support member is movable between a first inoperative position in which the at least one guide member does not impinge upon the first transport path, and a second operative position in which the at least one guide member is introduced into the first transport path to redirect one or more of the sheets to a second, alternative transport path. The device further includes an actuator configured to move the support member between the first and second positions. The actuator is connected to the support member such that vibrations imparted by the actuator to the support member, as the support member moves between the first and the second positions, are substantially parallel to the first transport path. | 05-12-2016 |
20160129705 | VACUUM PLATEN - A vacuum platen for media sheets has a sheet support wall formed with a plurality of perforations and a number of chambers formed on a bottom side of the sheet support wall. Each of the chambers is directly connected to a vacuum source. Each chamber contains an acoustic barrier member arranged to divide the chamber into at least two sub-chambers such that the sub-chambers are in fluid communication with one another and have overlapping contours when seen in a direction normal to the plane of the sheet support wall. | 05-12-2016 |
20160122152 | METHOD FOR LIMITING A HEIGHT OF A STACK OF SHEETS IN A PRINTING DEVICE - In a method for limiting a height of a stack of sheets in an output holder of an image reproduction system, the output holder being configured to hold a stack of sheets printed upon by the image reproduction system according to a print job submitted to the image reproduction system, the image reproduction system including a control unit for controlling the receiving and printing of the print job, the method includes receiving a print job at the image reproduction system, the print job comprising image data to be printed and a plurality of print job settings, starting printing the print job by the image reproduction system, and delivering printed sheets of the print job to the output holder. The plurality of print job settings include a setting for a maximum height of a stack in the output holder settable per print job, the method including establishing a value for the setting for the maximum stack height of the stack, and stopping the delivering of the printed sheets of the print job to the output holder upon the stack reaching the maximum height set in the setting for the maximum stack height. An image reproduction system is configured to execute the method. | 05-05-2016 |
20160121611 | PIEZO-ACTUATED INKJET PRINT HEAD, METHOD OF DESIGNING SUCH A PRINT HEAD AND A METHOD OF MANUFACTURING SUCH A PRINT HEAD - An inkjet print head for expelling a droplet of a fluid through a nozzle orifice comprises a fluid channel for holding a channel amount of fluid, the fluid channel comprising a pressure chamber in fluid communication with the nozzle orifice and a piezo actuator. The piezo actuator comprises an active piezo stack, which stack comprises a first electrode, a second electrode, and a piezo-material layer arranged between the first and the second electrode, and the piezo actuator comprises a membrane having a first side and a second side, the second side being opposite to the first side. The active piezo stack is provided at the first side and the pressure chamber at the second side such that the membrane forms a flexible wall of the pressure chamber. The fluid channel, when holding the channel amount of fluid, has a fluid compliance and the piezo actuator has an actuator compliance. In accordance with the present invention, the actuator compliance is larger than the fluid channel compliance such to have a high energy coupling efficiency and consequently a low power dissipation. | 05-05-2016 |
20160107468 | METHOD FOR GENERATING PRINTS ON A FLATBED PRINTER, APPARATUS THEREFOR AND A COMPUTER PROGRAM THEREFOR - A flatbed printer and a method for printing with a flatbed printer are disclosed. The flatbed printer includes a flatbed surface for placing media to be printed upon, a controller configured to control the printing of digital images on the media, a camera-projector system connected to the controller and situated above the flatbed surface, and a print head for ejecting recording material on the media. The method includes detecting an arbitrary position, an arbitrary shape, an arbitrary size and/or an arbitrary thickness of a media on the flatbed surface with a camera of the camera-projector system, projecting a digital image on the media with a projector of the camera-projector system, and printing the digital image on the media according to the projection by moving the print head over the flatbed surface. | 04-21-2016 |
20160107441 | METHOD FOR JETTING DROPLETS OF AN ELECTRICALLY CONDUCTIVE FLUID - In a method for jetting a droplet of an electrically conductive fluid, a Lorentz force is generated in the electrically conductive fluid. The Lorentz force is directed into an actuation direction. The actuation direction is a direction opposite to the droplet ejection direction. A jetting device is provided for printing a droplet of an electrically conductive fluid. | 04-21-2016 |
20160105571 | DEVICE AND METHOD FOR PROCESSING A REPROGRAPHIC JOB - Device for receiving a reprographic job comprising a first processing step on a media by a first processing apparatus and a second, subsequent processing step on the media by a second processing apparatus, wherein the media that are to be output by the first processing apparatus are to be subjected to media handling operations between the first processing step and the second processing step comprising unloading from the first processing apparatus, intermediate media handling operations, and loading in the second processing apparatus; the device comprising: a controller arranged for creating or receiving the reprographic job; the controller being further arranged to access a storage storing configuration information on the second processing apparatus, the configuration information relating to loading media in the second processing apparatus; wherein the controller is arranged to specify the first processing step in the first specification in the reprographic job in order to simplify the media handling operations. | 04-14-2016 |
20160103634 | APPARATUS AND METHOD FOR DEFECT DETECTION IN A PRINTING SYSTEM - An apparatus for defect detection in a printing system, comprising a sensor device for sensing a surface of a sheet and for generating data representing a height map of the sheet, and a processor device for processing the data from the sensor device, wherein the processor device is configured to analyse the height map to detect a presence of a deformation in the sheet. The processor device is further configured to, when a deformation is detected, to determine at least one property of the deformation, to classify the deformation with respect to a plurality of deformation classes by means of the at least one property of the deformation, and to determine a suitability of the sheet for printing based on the deformation class wherein the deformation has been classified. | 04-14-2016 |
20160103633 | APPARATUS AND METHOD FOR DETERMINING SUITABLE PRINTING CONDITIONS FOR PRINTING SHEETS IN A PRINTING SYSTEM - The present invention provides a method of optimizing the operating conditions for printing sheets, comprising the following steps: introducing a sheet into the printing system; treating the sheet by exposing the sheet to a physical operating condition of the printing system at a predetermined level; sensing a surface geometry of the exposed sheet to generate data representing a height map of the surface of the at least one exposed sheet for that predetermined level of that operating condition; and comparing the data to one another and/or a reference value to determine the suitable level of the least one physical operating condition. The invention further provides an apparatus optimizing the operating conditions for printing sheets. | 04-14-2016 |
20160103632 | METHOD FOR DEFECT DETECTION IN A PRINTING SYSTEM AND PRINTING SYSTEM - The present invention provides an apparatus ( | 04-14-2016 |
20160100079 | MULTILEVEL HALFTONING MODULE WITH NON-UNIFORMITY COMPENSATION - An image processing module for processing a digital M-level input image into a digital N-level output image is provided, wherein M>N and N>2, a level being indicative of a colorant density in a printing process. The module applies N-1 thresholds for determining an output level for each image element with an input level, wherein thresholds associated with a transition between two output levels are arranged in a threshold matrix, all N-1 threshold matrices being arranged in accordance with a single basic threshold matrix arrangement. The image processing module comprises threshold matrices, wherein the thresholds have been adjusted to compensate printed density variations except the thresholds associated with a transition between a first and a second level, which have not been adjusted in order to keep a number of colorant receiving print positions constant. | 04-07-2016 |
20160100070 | DEVICE WITH A MULTI-LINGUAL USER INTERFACE AND METHOD FOR UPDATING THE USER INTERFACE - Device comprising user interfacing means for presenting a user interface comprising at least one textual widget to reproduce a text string with a preconfigured text string identifier, the device also comprising a text string storage for storing the text string; storage medium reading means for reading information stored; storage medium detection means for detecting a storage medium being inserted in or connected to the storage medium reading means; language pack presence detection means for detecting a language pack on the storage medium upon the storage medium detection means detecting a storage medium being inserted or being connected, the language pack comprising an text string, an text string identifier associated with the text string, and an language identifier associated with the text string; and text string storage update means configured to insert in the text string storage the text string and associate with the inserted text string a language identifier. | 04-07-2016 |
20160096701 | FOLDING METHOD AND FOLDING DEVICE AND DOCUMENT PROCESSING SYSTEM - A method for generating a folding instruction for folding a stack of sheets into a document includes the steps of, for each sheet of the stack of sheets, receiving a folding action on the sheet defined by a fold type and an orientation relative to an observer, the fold type selected out of a mountain fold right, a mountain fold left, a mountain fold bottom, a mountain fold top, a valley fold right, a valley fold left, a valley fold bottom and a valley fold top; generating a function which has the folding action and the sheet as input and an ordered list of new sheets with an orientation relative to the observer of each new sheet of the list of new sheets as output; repeatedly applying the previous steps to each sheet of the at least one list of new sheets until the sheets in the last applied previous steps form the document; and generating a folding instruction including a concatenation of the at least one generated function on the stack of sheets, the folding instruction intended to be transmitted to a folding device for folding the stack of sheets into the document. A folding device and a document processing system for applying the method are also disclosed. | 04-07-2016 |
20160096379 | METHOD FOR APPLYING AN IMAGE OF A RADIATION CURABLE PHASE CHANGE INK - The invention relates to a method for applying an image onto a receiving medium, wherein the gloss of the image is controlled by controlling the temperature of the receiving medium. The invention further relates to an ink jet apparatus. The invention further relates to a method for determining a job setting of a print job for obtaining an image having a desired gloss level. | 04-07-2016 |
20160096378 | METHOD FOR GENERATING RELIEF PRINTS - The invention relates to a method for generating a print of a digital image comprising image pixels by a printer comprising a print head and radiation means for curing recording material by irradiation, the recording material to be ejected by the print head on a substrate, wherein the print may have palpable differences between a height of various pixels of the print, the method comprising the steps of providing the digital image comprising an elevation channel for indicating an elevation of each image pixel of the digital image, deriving from the elevation channel of the digital image image pixels in the digital image which may be expected to receive such a low amount of radiation that recording material is insufficiently cured, for each derived image pixel adapting at least one elevation channel value of the derived image pixel or image pixels adjacent to the derived image pixel by such an amount that the recording material is expected to be sufficiently cured, and printing the digital image with the adapted elevation channel values. The invention also relates to a computer product and a printer system for applying the method. | 04-07-2016 |
20160092759 | METHOD FOR PRINTING A PRINT JOB ON A MEDIA - The invention relates to a method for printing a digital image on a piece of media by means of a printer system comprising a printer and a computer for storing digital objects, the method comprising the steps of printing at least one digital image on a piece of media, cutting the printed at least one digital image out of the piece of media, attaching an identifying object to the leftover of the piece of media, storing the leftover of the piece of media in a depository, and storing a digital object representing the leftover of the piece of media in a database on the computer, wherein the digital object comprises a reference to the attached identifying object. The invention also relates to a method for printing a print job on a printer system, the method comprises the steps of submitting a print job for printing at least one digital image to the printer system, selecting a digital object from a database comprising digital objects representing a collection of leftovers of pieces of media in a depository and each comprising a reference to an identifying object of the corresponding leftover, wherein the leftover represented by the selected digital object is large enough to print the at least one digital image upon said leftover, retrieving the reference from the selected digital object, locating in the depository the leftover represented by the digital object by means of the retrieved reference, and printing the at least one digital image on the leftover. | 03-31-2016 |
20160092150 | USER INTERFACE FOR A DOCUMENT PROCESSING SYSTEM - A user interface for a document processing system includes a scheduler adapted to calculate and display an expected processing time for a job to be processed. The scheduler has an input device permitting a user to input a calibration command causing the scheduler to apply a user-specific calibration function to the calculated expected processing time. | 03-31-2016 |
20160090493 | SUBLIMATION TRANSFER INK COMPOSITION - The present invention relates to an aqueous sublimation transfer ink composition. The sublimation transfer ink composition comprises a polysaccharide. The present invention further relates to a method of preparing said ink composition. The present invention also relates to a method for providing an image onto a receiving medium. | 03-31-2016 |
20160088741 | METHOD OF MANUFACTURING A MULTI-LAYER PRINTED CIRCUIT BOARD - A method of manufacturing a multi-layer printed circuit board by bonding together a plurality of circuit board layers, each of which includes a substrate and a conductive circuit pattern on at least one surface of the substrate, includes the steps of: coating the surface of the substrate with a continuous layer of conductive material, masking the layer with a resist, etching away a part of the conductive material so as to obtain the circuit pattern with conductive parts separated by gaps, and filling the gaps with an electrically insulating adhesive material to a level that is at least equal to the thickness of the layer of conductive material. The resist is left on the conductive parts and the adhesive material is selected to be chemically compatible with the resist. | 03-24-2016 |
20160070995 | METHOD FOR GENERATING A PROOF OF A PRINT JOB COMPRISING A DOCUMENT TO BE PRINTED WITH PARAMETERS AND SYSTEM THEREWITH - Method for generation of a proof job from a print job comprising one or more documents and zero or more job parameters, wherein the documents comprise one or more graphical elements, and a printer having setting and a printer state, the method comprising: determining for a graphical element that printing the graphical element will likely involve a print quality issue while taking into account the printer setting and/or the printer state; selecting graphical elements in the vicinity of the determined graphical element; composing a proof job comprising proofing graphical elements, and proof job parameters taken from the print job parameters or the printer settings, wherein the proofing graphical elements comprise at least part of the selected graphical elements, and/or a derived graphical element having an attribute that is equal to an attribute of the determined graphical element, wherein the attribute contributes to the occurrence of the print quality issue. | 03-10-2016 |
20160062710 | METHOD FOR MIXING PAPER ORIENTATIONS - A method for loading image receiving material in a printing system, the printing system including a print engine capable of printing on the image receiving material, a control unit for controlling the printing on the image receiving material, at least one input holder for loading the image receiving material, and a user interface for interacting with a user of the printing system, includes the steps of receiving by means of the user interface a setting for a facial orientation of an image receiving material in the at least one input holder, the facial orientation being one out of a face up orientation and a face down orientation, storing the setting of the facial orientation as an attribute of the at least one input holder, and detecting the image receiving material loaded in the at least one input holder. A printing system is configured to execute the method. | 03-03-2016 |
20160059587 | PRINTING SYSTEM COMPRISING A SHEET SEPARATION SYSTEM - A printing system includes an endless metal transport belt for transporting sheets in a transport direction, wherein the metal transport belt comprises multiple through holes through which an underpressure or overpressure may be applied on the sheets, a sheet separation system for separating the sheets from the metal transport belt by applying a local overpressure, and a sheet separation guide which guides the separated sheets away from the metal transport belt. The sheet separation system includes a stationary sliding surface, wherein the metal transport belt slides over the stationary sliding surface, wherein the stationary sliding surface includes a number of blow holes which define the overpressure zone, and wherein the blow holes are configured to apply a local overpressure in the overpressure zone through the metal transport belt onto the underside of the sheets. The overpressure zone is formed in the curved part of the stationary sliding surface, wherein the overpressure zone has an upstream end and a downstream end, which are defined by the location of the blow holes, and wherein the sheet separation guide directly adjoins the overpressure zone at the downstream end thereof. | 03-03-2016 |
20160059584 | CONVEYING BELT ASSEMBLY FOR A PRINTING DEVICE - The present invention relates to a conveying belt assembly for a printing device. The assembly comprises an endless conveyor belt having a conveying part and a return part; an upstream and downstream sliding support having a surface curved in rotational direction of the conveyor belt; a driving roller arranged downstream of the conveying part in urging contact with the conveyor belt; a friction element arranged upstream of the conveying part in urging contact with the conveyor belt for tensioning the conveying part; and a control system for controlling the position of the conveying part with respect to the transverse direction. The control system comprises: a position sensing device; an upstream and/or downstream actuator device for moving the conveying part in transverse direction; and a controller for transmitting control signals, generated by the controller on the basis of the sensor signals, to the upstream and downstream actuator. | 03-03-2016 |
20160052314 | METHOD OF MEASURING A WETTING PROPERTY OF A NOZZLE PLATE - A method of measuring a wetting property of a nozzle plate in a droplet expelling device having a number of nozzles formed in the nozzle plate, and an actuator system for expelling a droplet of a liquid from each of the nozzles includes applying an amount of liquid onto a surface of the nozzle plate, capturing a digital image of the nozzle plate with the liquid applied thereon, and analyzing the digital image for determining the wetting property from a distribution of the liquid on the nozzle plate. The amount of liquid is applied onto the nozzle plate by expelling liquid through the nozzle. | 02-25-2016 |
20160052302 | METHOD OF PRINTING - The present invention relates to a method of printing an aqueous ink on a recording substrate. The aqueous ink composition comprises particles of a water dispersible colorant and has a pH of between 8 and 12. The method comprising the steps of: a) pretreating the recording substrate by at least partial acidification of the recording substrate by subjecting the recording substrate to a gaseous acid or by subjecting the recording substrate to a plasma treatment; and b) imagewise printing the ink composition on the pretreated recording substrate. | 02-25-2016 |
20160039212 | PRINT HEAD MOUNTING ASSEMBLY - A print head mounting assembly for mounting and positioning an inkjet print head on a print head support structure includes a first clamping mechanism for clamping the inkjet print head in a first direction and a second clamping mechanism for clamping the inkjet print head in a second direction, the second direction being substantially perpendicular to the first direction. In order to ease adjustment of the position of the print head, the second clamping mechanism includes an adjustment mechanism for adjusting the position of the print head in the second direction and a release mechanism for releasing the first clamping mechanism, the release mechanism being arranged that the release mechanism is to be operated for operating the adjustment mechanism. | 02-11-2016 |
20160021760 | METHOD FOR EJECTING MOLTEN METALS - The present invention relates to a method for ejecting droplets of a molten metal. In the present invention, the metal is a composition comprising a first metal and a second element, wherein the second element is Si. In jetting operation, the second elements may prevent contaminants present in the composition from precipitating and clogging the orifice. The present invention further relates to the use of such composition. | 01-21-2016 |
20160018172 | HEAT EXCHANGE LAMINATE - The invention relates to a heat exchange laminate for use as a heat exchange member in a heat exchange unit, comprising a base layer extending substantially planar, said base layer being bilaterally coated with an electrical conductive contact layer. The contact layer comprises a high molecular weight polyethylene and a carbon black. The invention further relates to the use of the heat exchange laminate and to a heat exchange unit and a printing system comprising such a heat exchange laminate. | 01-21-2016 |
20160018171 | HEAT EXCHANGE LAMINATE - The invention relates to a heat exchange laminate for use as a heat exchange member in a heat exchange unit, comprising a base layer extending substantially planar, said base layer being bilaterally coated with a contact layer. The contact layer is electrical conductive and is substantially non-metallic. At least one of the contact layers has an embossed contact surface. The invention further relates to the use of the heat exchange laminate and to a heat exchange unit and a printing system comprising such a heat exchange laminate. | 01-21-2016 |
20160016400 | METHOD FOR EVALUATING A STATUS OF AN INKJET PRINT HEAD - A method is provided to determine a droplet ejection state of a pressure chamber of a piezo-actuated inkjet print head, the method comprising a step of analyzing that includes filtering a residual pressure wave signal using a predetermined filter. The filter is designed to remove a low-frequency signal contribution generated by piezo material of the piezo actuator. Such a low-frequency signal contribution results from a piezo material property that varies over all piezo actuators without affecting the functional properties of the piezo actuator. Hence, for controlling the operation of the inkjet print head, in particular for controlling a droplet size and a droplet speed, such a signal contribution may be removed enabling a simple and nozzle-independent analysis of the residual pressure wave signal. | 01-21-2016 |
20160002480 | INK COMPOSITION - The invention relates to an ink composition comprising a water-dispersed resin a water dispersible colorant and water and wherein the ink composition further comprises a co-solvent, wherein the co-solvent is selected from the group consisting of saccharides and co-solvents comprising a ring structure, wherein the ring structure comprises a 5-membered, a 6-membered or a 7-membered ring. Additionally, the ink composition comprises a cyclodextrin compound. | 01-07-2016 |
20160001580 | METHOD AND APPARATUS FOR SURFACE PRE-TREATMENT OF INK-RECEIVING SUBSTRATES, PRINTING METHOD AND PRINTER - A method of surface pre-treatment of a variety of ink-receiving substrates of different types includes applying treatment energy to the surface of the substrates in a controlled atmosphere that contains nitrogen and oxygen. The amount of energy per surface area is adjusted dependent upon the type of substrate. The ratio of oxygen to nitrogen in the controlled atmosphere is adjusted dependent upon the type of substrate. | 01-07-2016 |
20150376432 | INK SET - The present invention relates to an ink set comprising a first ink composition and a second ink composition, the ink compositions comprising a silicone surfactant, the total concentration of silicone surfactants in the ink compositions being different in order to control bleeding of the ink compositions into each other. | 12-31-2015 |
20150376431 | INK COMPOSITION - The invention relates to an ink composition comprising a pigment, an aqueous vehicle, a host compound having a cavity and a surface active agent, wherein the surface active agent is capable of binding to the cavity of the host compound. | 12-31-2015 |
20150375537 | METHOD FOR CALIBRATING ACCURATE PAPER STEPS - A method for accurately controlling a medium displacement in an inkjet printer is provided by accurately determining a relation between an actuation signal for a drive motor and a medium displacement. The method comprises the steps of establishing a set of calibration actuation signals each corresponding to a nominal calibration step and determining an achieved medium displacement step for each calibration actuation signal in the set. The set comprises at least one calibration actuation signal for actuating the drive motor to make one full revolution and at least one calibration actuation signal for actuating the drive motor to make a rotation larger than one full revolution, but smaller than two full revolutions. Both a cyclic deviation and a local deviation of the nominal displacement relation is determined based on a finite series of basis functions. | 12-31-2015 |
20150352852 | LIQUID CONTAINER - A liquid container includes a box and a flexible bag accommodated in the box. The flexible bag contains a liquid and has a first end fixed at the box and a second end opposite to the first end and biased in a direction away from the first end by an elastic member. The box has two parts that are telescopically movable relative to one another and are biased apart by the elastic member. The bag is held at one of these parts with its first end and at the other of these parts with its second end. | 12-10-2015 |
20150343819 | METHOD FOR ESTABLISHING A MAINTENANCE TIME INTERVAL FOR A PRINTING DEVICE - A method of establishing a time interval between maintenance actions expressed in pages for a printing device, includes determining the number of pages of an incoming print job, comparing the determined number of pages to a predetermined time interval between the maintenance actions expressed in pages, changing the predetermined time interval into at least one new time interval between the maintenance actions expressed in pages based on the comparison, printing the incoming print job, and carrying out at least one maintenance action after the start of printing of the incoming print job according to the at least one new time interval. A printing device includes a print unit and a print controller for planning maintenance actions on the print unit according to the method. | 12-03-2015 |
20150343810 | PRINTING APPARATUS FOR PRINTING ON A PRINT SUBSTRATE - The present invention relates to a printing apparatus for printing on a print substrate. The printing apparatus comprises: a printing station comprising a printing assembly for printing a first image on a first side of the print substrate during a first pass of the print substrate and printing a second image on a second side of the print substrate during a second pass of the print substrate; an input station for supplying the print substrate to the printing station; an output station for receiving the print substrate from the printing station, the output station comprising: a carrousel, the carrousel comprising at least two roll-up units, the carrousel being movable in a plurality of positions, in each of which a first roll-up unit of the at least two roll-up units is arranged in a substrate receiving position and a second roll-up unit of the at least two roll-up units is arranged in a position of the group of a substrate feeding position and a roll unloading position, wherein the roll-up unit in the substrate receiving position is adapted for receiving the print substrate, thereby forming a roll, and wherein the roll unloading position is different in location from the substrate receiving position. | 12-03-2015 |
20150336410 | PRINTING SYSTEM AND METHOD OF PRINTING A MULTILAYER STRUCTURE USING RADIATION CURABLE INK - A printing system and a method for printing a multilayer structure using radiation curable ink, the multilayer structure comprising multiple ink layers which are consecutively printed, and wherein a first printed ink layer of any two consecutively printed ink layers is cured before a subsequently printed ink layer is printed thereon, wherein at least one ink of multiple inks is selected for being used for printing the multilayer structure, said multiple inks comprising at least one first and at least one second radiation curable ink, wherein said at least one ink is selected in dependence on information about at least one property of the said at least one ink apart from color, wherein, of the multiple inks, at least the selected at least one ink and at least one of the at least one first ink are used for printing the multilayer structure; the physical property being e.g. an expansion/shrinkage property and/or an adhesion property. | 11-26-2015 |
20150336392 | PRINT HEAD WITH INK HANDLING UNIT - An ink jet print head with an integrated ink handling unit includes a heater and a filter for the ink. The ink handling unit has an inlet port for liquid ink and a circulation system connected to the inlet port and adapted to pass the liquid ink through the heater and to the filter. The circulation system includes a single, non-branched duct that passes continuously from the inlet port to the filter, and the duct of the circulation system passes in meander fashion through a heated block of the heater. | 11-26-2015 |
20150328882 | INK JET PRINTER AND PRINTING METHOD - An ink jet printer has a number of ink discharge nozzles, a number of actuators respectively associated with the nozzles and arranged to create pressure waves in the ink to be discharged from the respective nozzles, and a controller arranged to apply drive signals to the actuators in accordance with print instructions for an image to be printed. The drive signals include print pulses causing ink droplets to be ejected from the nozzles at timings when the respective nozzle faces an image part of a print medium, and spitting pulses causing ink droplets to be ejected from the nozzles at timings when the respective nozzle faces a non-image part of the print medium. The drive signals further include pre-fire pulses which have an amplitude below a threshold at which ink droplets are ejected, and the controller is arranged to apply the spitting pulses in the form of combined pulse sequences that each include a number of pre-fire pulses preceding the spitting pulse. | 11-19-2015 |
20150314591 | METHOD FOR COMPENSATING A FAILING NOZZLE - A method is provided for compensating a failing nozzle in a printhead comprising a series of print elements with nozzles for operation in an inkjet printing process in which a colorant is applied for locally changing an optical density, thereby printing an image. | 11-05-2015 |
20150299839 | METHOD FOR EJECTING MOLTEN METALS - In a method for ejecting droplets of a molten metal, the metal is an alloy including a first metal and a second metal. During a jetting operation, the second metal segregates from the first metal. A method of using such alloy is also disclosed herein. | 10-22-2015 |
20150298475 | ASSEMBLY OF A PRINT HEAD AND A MAINTENANCE UNIT AND METHOD FOR THE USE OF SAID ASSEMBLY - The present invention relates to an assembly of a print head and a maintenance unit. The present invention further relates to a method for the use of an assembly of a print head and a maintenance unit. | 10-22-2015 |
20150298471 | PRINTER FOR FORMING AN INKJET IMAGE - The present invention relates to a printer for forming a phase change inkjet image. The printer comprises a platen comprising a print surface, an advancing mechanism adapted for moving a print substrate in a transport direction over the print surface and a print station adapted for providing the phase change inkjet image on a first surface of the print substrate in a print area of the print surface. The advancing mechanism comprises a plurality of feed nips, said plurality of feed nips being arranged upstream of the print surface. Each of said plurality of feed nips comprising a feed roller which comprises a main rotational axis, wherein each main rotational axis of said plurality of feed nips is aligned with respect to each other in a second direction, which second direction is substantially perpendicular to the transport direction. The advancing mechanism further comprises a star wheel. Said star wheel is arranged in between two adjacent feed nips in the second direction and faces a support surface. Said star wheel in printing operation is arranged in rolling contact with the first surface of the print substrate upstream of the print area in the transport direction of the print substrate and is adapted for urging the print substrate towards the support surface. | 10-22-2015 |
20150286447 | LEFT OVER MEDIA IDENTIFICATION - A method for assigning an identification to at least one sheet to be removed from an input holder of an image reproduction apparatus includes the steps of detecting a trigger of removal of the at least one sheet from the input holder; and upon detection of the trigger, retrieving characteristics of the at least one sheet and printing an identification sheet comprising the retrieved characteristics for addition on top of the at least one sheet after removal of the at least one sheet from the input holder. An image reproduction apparatus is configured to execute the method. | 10-08-2015 |
20150231900 | METHOD FOR FORMING AN INKJET IMAGE - A printer for forming an inkjet image has an advance mechanism for a print substrate. The printer includes an advance mechanism for moving a print substrate in a transport direction. The advance mechanism includes a feed roller engaging the print substrate on a first surface of the print substrate for applying a driving force thereto and a pressure roller, being arranged opposite to the feed roller. The pressure roller has a textured outer surface which texture is in operation in rolling contact with a second surface of the print substrate. The texture of the outer surface is provided with a plurality of protrusions. The pressure roller diminishes print artifacts, which are related to an irregular crystallization of the hot melt ink. | 08-20-2015 |
20150228059 | METHOD FOR SEMANTIC IMAGE ENHANCEMENT - The invention is related to a method for image processing a raster image according to an amount of image enhancement, using an image keyword. A predetermined set of raster images with associated keywords is used, a raster image being a digital image with pixel values. The invented method comprises the steps of determining an image property, which is a value derivable from the values of the pixels of a raster image, obtaining from the set of raster images a plus set, which comprises raster images that are associated with said image keyword and a minus set, which comprises raster images that are not associated with said image keyword, obtaining a difference value between the image property of the raster image and a reference value from the set of image properties of the images of the plus set, obtaining a significance value for the image keyword by comparing the image properties of images of the plus set with the image properties of images of the minus set, determining the amount of image enhancement in dependence of said difference value and said significance value, and processing the raster image according to the determined amount of image enhancement. Thus, an image keyword is used as a second, independent input, besides the input of the pixel values of the raster image, to control the image enhancement, which increases the flexibility of the dependence of the amount of automatic image enhancement on the keyword that a user selects to indicate his intention in relation to the input raster image. | 08-13-2015 |
20150227820 | SYSTEM FOR DISPLAYING PRINTER INFORMATION - A system includes a printer including a plurality of functional modules and a controller configured to control the print process, a storage device configured to store information regarding supporting an operator to interact with a functional module of the plurality of functional modules other than the local user interface of the printer, a presence detection system configured to detect a presence of an operator near or at the functional module, and an information presentation device configured to present information within a perception reach of the operator. The system includes a computer device connected to the presence detection system, the storage device, the printer and the information presentation device. The computer device is configured to retrieve, upon detection of a presence of an operator near or at the functional module by the presence detection system, status information of the status of the functional module of the printer from the controller and support information regarding supporting an operator to interact with the functional module from the storage device, and to select part of the support information taking into account the status information, and to provide the selected information to the information presentation device in order to present the selected information to the operator within the perception reach of the operator. | 08-13-2015 |
20150220821 | GHOSTING COMPENSATION IN RELIEF IMAGES FOR DIRECTIONAL PRINTS - A method is provided for combining two source images in a relief image with structural elements having at least two principle surface orientations, such that a first image is observed in a first viewing direction and a second image is observed in a second viewing direction. The method reduces a ghosting effect and comprises the steps of: a) printing a test relief image comprising patches with structural elements having a first basic color on a surface with a first principle orientation and a second basic color on a surface with a second principle orientation, a basic color being a color having a predefined amount of colorant; b) measuring for each patch a first observed color in a first viewing direction and a second observed color in a second viewing direction; c) scaling a first source image and a second source image such that each image element has a size corresponding to a structural element in the relief image; d) selecting for each position in the relief image a structural element from a patch in the test relief image, wherefor a sum of a color difference between an image element of the scaled first source image and a first observed color and a color difference between an image element of the scaled second source image and a second observed color becomes minimal, and e) composing a relief image from the selected structural elements. | 08-06-2015 |
20150220040 | GLOSS MANAGEMENT - The present invention provides a method for printing a color image with a predefined local gloss appearance, using a printer having means to control an amount of colorant in dependence on a position on a receiving material and having means to control an amount of gloss appearance in dependence on a position on said receiving material using at least one process control parameter, wherein a color of the color image is converted into a colorant composition, the method comprising the step of determining a colorant composition and at least one process control parameter in dependence on both a predefined color and a predefined amount of local gloss appearance. | 08-06-2015 |
20150212773 | METHOD FOR MANAGING A PLURALITY OF IMAGE PROCESSING DEVICES - A computer implemented method is provided for managing a plurality of image processing devices, the method comprising the steps of: an image processing device sending a status update to a monitoring device, the monitoring device having a first location; determining a second location of a mobile device; determining a monitoring distance between the second location of the mobile device and the first location of the monitoring device; and determining in response to the monitoring distance whether to issue a warning on the mobile device concerning the status update of the image processing device. The method provides that the mobile device is not overwhelmed by warnings regarding status updates from the image processing devices. | 07-30-2015 |
20150183234 | METHOD OF APPLYING A CURABLE LIQUID AND APPARATUS FOR PERFORMING THE METHOD - In a method for applying a curable liquid using an inkjet printing method, a gloss level is controlled by first applying a first layer of liquid and curing the first layer. Having thus obtained a layer having known properties, a second layer is applied on the first layer. Droplets of the second layer are uncured for a predetermined period of time allowing the droplets to spread and coalesce to form a layer having a smooth and flat surface such to provide a desired gloss level, in particular a high gloss. | 07-02-2015 |
20150153939 | METHOD FOR MANAGING DOCUMENTS ON A MOBILE DEVICE - A method for managing a document at a mobile device having a user interface screen, the mobile device being arranged for a wireless connection to a reproduction unit and loaded with a mobile application for sending documents to the reproduction unit, includes opening the document by the mobile application at at most a complete desktop area on the user interface screen, storing the document in memory of the mobile device, closing the document by the mobile application at the user interface screen, and automatically showing the document stored by the mobile application at the desktop area by means of a representation after the document is closed. A mobile device is provided for performing the method. | 06-04-2015 |
20150144014 | METHOD FOR GENERATING RELIEF PRINTS - A method is provided for processing a relief raster image, comprising customary color channels for indicating a color of each pixel and a height channel for indicating a height of each pixel into several pass images that are printed using a printer with several colorants including a white colorant. For each pixel a relief part, a white part and a skin part are discriminated in order to combine the demands for height and color variation across the surface of the image. The skin part comprises pixels for which a colorant composition based on the color channels of the relief raster image is established. In order to print a color in the skin part that is independent of a height of the pixel, the relief part comprises an arbitrary colorant composition and the white part comprises mainly white colorant. | 05-28-2015 |
20150137664 | PIEZOELECTRIC ACTUATOR ARRAY - A piezoelectric actuator array comprising a substrate plate ( | 05-21-2015 |
20150124030 | HOT MELT INK COMPOSITION, METHOD FOR PREPARING A HOT MELT INK COMPOSITION AND USE OF A HOT MELT INK COMPOSITION - The invention relates to a hot melt ink composition, the hot melt ink composition being solid at room temperature and in a liquid state at an elevated temperature, comprising a binder, a colorant, a crystalline material, and a crystallization retardant, wherein the crystalline material is a di-substituted compound and the crystallization retardant is a mono-substituted derivative of the crystalline material. The invention further relates to a method for preparing such hot melt compositions and to use of a hot melt ink composition. | 05-07-2015 |
20150117922 | APPARATUS FOR TREATING MEDIA SHEETS - In a combination of an image forming apparatus and an apparatus for treating media sheets after an image has been formed, the image forming apparatus includes a processing stage causing the media sheets to be heated, and the apparatus for treating the media sheets is disposed on a discharge side of the image forming apparatus. The apparatus for treating media sheets includes a perforated conveying and support substrate arranged to convey the media sheets through a stabilization zone where the substrate has a limited curvature. A suction device applies a vacuum to the perforations of the substrate in the stabilization zone so as to suck the media sheets against the substrate. A cooling system is arranged for actively cooling the media sheets while they are sucked against the substrate in the stabilization zone. | 04-30-2015 |
20150115791 | ELECTRODE FOR DIELECTRIC BARRIER DISCHARGE TREATMENT OF A SUBSTRATE - An electrode for dielectric barrier discharge treatment of a substrate includes a tubular housing that is made of electrically insulating material and has a bottom wall facing the substrate, two side walls extending away from the substrate, and a top wall connecting the distal ends of the side walls. The electrode further includes an electrically conductive electrode member disposed inside the housing and having a plate that engages an internal surface of the bottom wall of the housing. The electrode has two wings formed in one piece with the plate and engaging internal surfaces of the side walls of the housing. | 04-30-2015 |
20150113480 | USER INTERACTION SYSTEM FOR DISPLAYING DIGITAL OBJECTS - A user interaction system includes a control for controlling digital objects characterized by a first content level. Each said digital object includes at least one digital object characterized by a second content level. A display for displaying the digital objects by means of thumbnail images is arranged to show under control of the control a first scrollable list of at least one selectable thumbnail image, each of which represents a digital object characterized by a first content level on the display, and a second scrollable list of at least one selectable thumbnail image, each of which represents a digital object characterized by a second content level on the display. The control is configured to show the first scrollable list on the display and to show, upon selection of a thumbnail image of the first scrollable list, simultaneously with the first scrollable list, the second scrollable list corresponding to the at least one digital object characterized by the second content level included in the digital object characterized by the first content level corresponding to the selected thumbnail image. | 04-23-2015 |
20150105504 | INK COMPOSITION - Disclosed is an aqueous ink composition including between 1 and 40 weight % of a water dispersible resin, between 0.5 and 15 weight % of a colorant, between 20 and 80 weight % of water and between 1 and 30 weight % of an acetal cosolvent, wherein all amounts are relative to the total ink composition. The ink composition may further include between 15 and 75 weight % of a dispersion stabilizing cosolvent. | 04-16-2015 |
20150102835 | SUBSTRATE PLATE FOR MEMS DEVICES - A substrate plate is provided for at least one MEMS device to be mounted thereon. The MEMS device has a certain footprint on the substrate plate, and the substrate plate has a pattern of electrically conductive leads to be connected to electric components of the MEMS device. The pattern forms contact pads within the footprint of the MEMS device and includes at least one lead structure that extends on the substrate plate outside of the footprint of the MEMS device and connects a number of the contact pads to an extra contact pad. The lead structure is a shunt bar that interconnects a plurality of contact pads of the MEMS device and is arranged to be removed by means of a dicing cut separating the substrate plate into a plurality of chip-sized units. At least a major part of the extra contact pad is formed within the footprint of one of the MEMS devices. | 04-16-2015 |
20150093049 | METHOD FOR PLANNING DIGITAL IMAGES TO BE PRINTED ON A ROLL OF MEDIA - A method for displaying a plurality of individual digital images to be printed on a roll of media includes constructing a composed digital image representing the roll and including a plurality of representations of the individual digital images to be printed on the roll in a sequence order corresponding to the time sequence order of printing the plurality of individual digital images on the roll, constructing a time line along the composed digital image, the time line indicating a start time and/or a completion time and/or a time duration of the printing of an image of the plurality of individual digital images on the roll, and displaying at least a part of the composed digital image on the user interface. The composed digital image is scrollable on a user interface in order to scroll through the plurality of representations of the individual digital images, and each displayed representation of an individual digital image of the composed digital image is displayed wholly along a part of the time line, which part starts at the start time of printing of the individual digital image on the roll and ends at the completion time of printing of the individual digital image on the roll. A printing system is configured to apply the method. | 04-02-2015 |
20150091982 | DROPLET EJECTION DEVICE - A droplet ejection device includes a pressure chamber; a nozzle orifice arranged in fluid connection with the pressure chamber; an actuator system for generating a pressure wave in a liquid present in the pressure chamber; and an obstruction member arranged in the pressure chamber in a position opposite to the nozzle orifice. The obstruction member comprises a first surface facing the nozzle orifice and rigidly coupled to a wall of the pressure chamber via a support. The support is arranged near the first surface of the obstruction member. The droplet ejection device according to the present invention may further comprise a structured nozzle inflow means which provides a gradual transition from the hollow shaped liquid passage to the nozzle orifice. The droplet ejection device prevents or at least mitigates air entrapment in dead volumes present in the interior of the droplet ejection device. | 04-02-2015 |
20150089788 | METHOD OF RETAINING A STACK OF SHEETS IN A POST-PROCESSING UNIT - A method is provided for retaining a stack of sheets in a post-processing unit which improves retaining capabilities of a retaining element while retaining a stack of sheets. This method comprises the steps of forming a stack of sheets, providing a wire from a wire source, the wire being plastically-elastically deformable, selecting a retaining element type from one of a clip element type and a stapling element type, determining a wire deforming program for forming a retaining element of the selected retaining element type, forming the retaining element according to the wire deforming program by bending the wire at a number of positions along the wire and cutting the wire, and applying the formed retaining element to the stack of sheets, thereby retaining the stack. | 04-02-2015 |
20150077450 | PRINTING METHOD FOR PRINTING A FUNCTIONAL PATTERN AND A PRINTING APPARATUS - In a method for printing a functional pattern using a printing apparatus, the printing apparatus applying a recording material on a substrate, the method includes determining a first part and a second part of the functional pattern, and controlling the printing apparatus such to apply a first amount of the recording material per unit area on the substrate to cover the first part and a second amount of the recording material per unit area on the substrate to cover the second part, wherein the first amount is larger than or equal to an amount sufficient to cover the substrate per unit area and the second amount is larger than the first amount. A printing apparatus includes a print head and a control unit. The control unit is configured to have the printing apparatus to execute the method for printing. | 03-19-2015 |
20150072608 | METHOD FOR FORMING AN IMAGE - A method is provided for conditioning a recording medium storage enclosure in a printing system, the recording medium storage enclosure comprising an exit opening being arranged at a first end of the recording medium storage enclosure, which exit opening is configured for releasing a portion of a recording medium towards a printing station of the printing system, the method comprising the steps of providing an air flow inside the recording medium storage enclosure in a main air flow direction adjacent to the exit opening, wherein the main air flow direction is aligned along a direction of the exit opening, which is substantially perpendicular to a feeding direction of a recording medium through the exit opening, circulating a first portion of the air flow within the recording medium storage enclosure between the first end and the second end and directing a second portion of the air flow towards the exit opening in order to provide an overpressure inside the recording medium storage enclosure adjacent to the exit opening with respect to an ambient pressure outside the recording medium storage enclosure. | 03-12-2015 |
20150070430 | METHOD FOR OPERATING AN INKJET DEVICE - The invention relates to a method for operating an inkjet device, the inkjet device comprising a piezo-electric element. The inkjet device may be configured to operate in a plurality of modes, the plurality of modes comprising a first mode, wherein the inkjet device is in an off state; a second mode, wherein the inkjet device is in a standby state; and a third mode, wherein the inkjet device is in an operative state. Depending on the state of the inkjet device, the BIAS voltage applied to the piezo-electric element is selected. | 03-12-2015 |
20150062248 | METHOD FOR BONDING A CHIP TO A SUBSTRATE - A method is provided for bonding a chip to a substrate, the method comprising the steps of providing a chip, providing a substrate, providing a recess in one of the chip and the substrate, arranging the chip and the substrate in contact with each other thereby forming a predetermined contact area and at least partly covering the recess by the other one of the chip and the substrate, and providing an amount of liquid adhesive in the recess for providing a bonding layer. | 03-05-2015 |
20150054884 | INK COMPOSITION, A METHOD FOR PREPARING THE INK COMPOSITION AND USE THEREOF, A WATER SOLUBLE RESIN AND USE THEREOF IN AN INK COMPOSITION - The invention relates to a latex ink composition, the latex ink composition comprising a water soluble resin. The invention further relates to a water soluble resin suitable for a latex ink composition, the water soluble resin comprising a backbone and a stabilizing group, wherein the stabilizing group is capable of forming hydrogen bonds. The invention further relates to the use of a water soluble resin in a latex ink composition. | 02-26-2015 |
20150043998 | PRINT MEDIA MOISTURIZING UNIT - Print media moisturizing unit, comprising a first print media guidance member and a second print media guidance member, said first print media guidance member and second print media guidance member defining a print media transport path for transporting subsequent print media sheets at a distance from each other, further comprising a first substantially planar spray assembly for supplying a spray in a first plane and a second substantially planar spray assembly for supplying a spray in a second plane, wherein the first substantially planar spray assembly and the second substantially planar spray assembly are configured such that the first plane and the second plane intersect outside the print media transport path. | 02-12-2015 |
20150042039 | OUTPUT ASSEMBLY FOR RECEIVING A SHEET OUTPUT BY A PRINTING DEVICE - In order to enable simple and easy handling of a large number of large format sheets, an output assembly is provided. The output assembly comprises a lower output tray element for receiving the sheets. In order to reliably transport and deposit a large format sheet from the printing device onto the lower output tray element, a guide element is provided just below an output opening of the printing device such to guide a leading edge of the sheet onto the lower output tray element. Once the leading edge is supported by the lower output tray element, the guide element is retracted such to enable a trailing edge to be deposited on the lower output tray element. | 02-12-2015 |
20150028539 | SHEET ALIGNMENT MODULE AND POST-PROCESSING DEVICE COMPRISING SUCH SHEET ALIGNMENT MODULE - Sheet alignment module and post-processing device comprising such sheet alignment module for aligning sheets in an operative orientation on a substantially horizontal sheet support member, comprising a support roller, the support roller being rotatably mounted on the sheet alignment module and configured to support the sheet alignment module during a sheet aligning movement, the sheet alignment module further comprising a jogger member comprising a substantially flat surface extending in a substantially vertical direction, the jogger member is moveably mounted on the sheet alignment module such that the jogger member is freely moveable in a substantially vertical direction with respect to the sheet alignment module. | 01-29-2015 |
20140362421 | METHOD FOR DYNAMIC BACKGROUND REDUCTION - A method is provided for reducing a background in a raster image as generated from capturing a hardcopy original. The background indicates a deviation between a lightness value of a subset of pixels in the raster image and a maximum lightness value of raster image input values, contrasting with dark information in the image. Two areas around the target pixel are defined, one area being substantially smaller than the other. An average of a lightness value of the pixels in each of the two areas are combined to obtain a background parameter, indicating a locally varying background in the raster image. A target pixel lightness value is scaled using the background parameter and the maximum lightness value. | 12-11-2014 |
20140340449 | METHOD FOR OPERATING A PRINTING SYSTEM - A printing system for printing a fluid includes a print head for ejecting droplets of the fluid; a first fluid storing section for storing a first amount of the fluid; a second fluid storing section for storing a second amount of the fluid, the second fluid storing section being in fluid communication to the pressure chamber in a power down situation; and a pre-tension device configured for arranging the second amount of the fluid in a pre-tension state in the second fluid storing section, thereby providing a positive fluid pressure on the nozzle in a power down situation, which positive fluid pressure is selected such that a third amount of fluid passes through the nozzle in response to said positive fluid pressure and forms a film on the nozzle plate. The printing system according to the invention supports the recovery of the print head after a power down situation. | 11-20-2014 |
20140317565 | METHOD OF ANIMATING CHANGES IN A LIST - In a method of animating a change in the arrangement of listed items in a list that includes a number of subsequent positions, the list is displayed on a screen, and the items of the list are arranged in rows and columns. The method includes a step of fading-in or -out at least one listed item. | 10-23-2014 |
20140306023 | METHOD FOR CONTROLLING THE TEMPERATURE OF A JETTING DEVICE - The invention relates to a method for operating a jetting device, configured to expel droplets of an electrically conductive fluid wherein at least a part of the conductive fluid is positioned in a magnetic field, the method comprising the steps of providing a direct electrical current in the part of the conductive fluid positioned in the magnetic field, and providing an alternating electrical current in the part of the conductive fluid positioned in the magnetic field, the alternating electrical current, wherein the direct electrical current and the alternating electrical current are controlled such that the sum of heat generated by the direct electrical current and the alternating electrical current is substantially constant. | 10-16-2014 |
20140300734 | METHOD FOR ESTIMATING THE AMOUNT OF AN UNCONSUMED PART OF A CONSUMABLE - A method of estimating an amount of an unconsumed part of a recording material wrapped on a core of a roll is implemented as an application program for an electronic device having a camera. A storage device stores reference data about the roll and the recording material in an unconsumed state. The method includes taking a picture of the recording material and the core with a camera, deriving from the picture characteristics of a first and second number of pixels representing the core and the unconsumed part of the recording material, respectively, requesting from a user an identification of the roll and the recording material, receiving the identification, matching the identification with the reference data, and calculating the amount of the unconsumed part of the recording material by means of the matched reference data and the characteristics of the first and second numbers of pixels. | 10-09-2014 |
20140298262 | METHOD FOR CANCELLING A USER ACTION TO BE APPLIED TO A DIGITAL OBJECT - A computer-implemented method for tracing a digital object on a user interface screen of an electronic system includes representing the digital object on the user interface screen by means of a first digital image, selecting the first digital image, starting a user action on the corresponding digital object, replacing the first digital image by a second digital image representing the interactive object during a predetermined time period, applying the user action on the digital object after the predetermined time period has lapsed, and removing the second digital image from the user interface screen after the predetermined time period has lapsed, wherein the second digital image is selectable in order to cancel the started user action of the digital object and to let emerge the first digital image again on the user interface screen. A reproduction apparatus includes a user interface screen and a control unit for executing the method. | 10-02-2014 |
20140289667 | METHOD FOR PERFORMING A USER ACTION UPON A DIGITAL ITEM - A method is disclosed for performing a user action to be applied on a digital item represented by a digital object displayable on a user interface touch screen of an electronic system. The electronic system is configured to apply the user action upon the digital item by means of an activation of a user operable element displayable on the user interface touch screen. The method includes displaying the digital object on the user interface touch screen, selecting the digital object, displaying a user operable element on the user interface touch screen, receiving an activation of the user operable element, executing the user action upon the digital item, showing an animation of a gesture to the digital object simultaneously with the execution of the user action upon the digital item, which gesture leads, when applied to the digital object, to execution of the user action upon the digital item. | 09-25-2014 |
20140283879 | HOT MELT CLEANING COMPOSITION, METHOD FOR PREPARING A HOT MELT CLEANING COMPOSITION AND USE THEREOF - The invention relates to a hot melt cleaning composition comprising a hot melt vehicle composition and a hot melt solvent. The invention further relates to a kit of parts, comprising a unit comprising a hot melt cleaning composition and comprising at least one unit comprising a hot melt ink composition. The invention also relates to a method of preparing a hot melt cleaning composition. The invention further relates to a method of cleaning a print head using a hot melt cleaning composition. The invention also relates to a use of a hot melt cleaning composition for cleaning print heads. | 09-25-2014 |
20140272173 | APPARATUS AND METHOD FOR MOUNTING PARTICLES ON A CARRIER - Method and apparatus for individually positioning and mounting particles on a target carrier according to a predefined pattern. In particular the particles are spheres of an electrically chargeable material with a diameter in the range of 10 micrometer up to one millimeter and are electrically conductive. | 09-18-2014 |
20140255058 | TONER BOTTLE CAP AND REFILL MECHANISM - A toner bottle cap has a fixed member and a slide member. The fixed member is stationary relative to a toner bottle and defines a first flow passage. The slide member defines a second flow passage coaxially adjoining the first flow passage in a toner outflow direction and having a peripheral wall in sealing contact with a peripheral wall of the fixed member. The slide member is slideable relative to the fixed member in axial direction of the flow passages. One of the members has a wall part that restricts the cross-section of the flow passage of the one member and defines a toner outflow opening. The other of the members has a stop member projecting axially towards the outflow opening and closes the same when the slide member is in a closed position and opens the outflow opening when the slide member is slid in the toner outflow direction. | 09-11-2014 |
20140247309 | INKJET PRINT HEAD AND METHOD FOR MANUFACTURING SUCH PRINT HEAD - A print head comprises a pressure chamber in fluid communication with a nozzle and an actuator structure in operative communication with the pressure chamber for generating a pressure wave in the pressure chamber. The actuator structure comprises a membrane, wherein a first surface of the membrane forms a flexible wall of the pressure chamber and a piezo actuator, wherein the piezo actuator is arranged on a second surface of the membrane, the second surface being opposite of the first surface, such that the membrane is deformed at the position of the piezo actuator upon actuation of the piezo actuator. In the print head, the membrane is pivotably clamped between a first structure layer and a second structure layer such that the membrane pivots at the location of clamping upon deformation of the membrane due to actuation of the piezo actuator. | 09-04-2014 |
20140246827 | SHEET STACKING DEVICE - A sheet stacking device for forming a stack of subsequent sheets includes a rotatably arranged flipping element and a closed-loop shaped friction element. The flipping element includes a slot at its circumferential edge for accepting at least a portion of a sheet. In a first rotation zone, the flipping element is able to accept the sheet into the slot and, in a second rotation zone, the sheet is conveyed out of the slot onto the top of the stack of subsequent sheets. The friction element is moveably arranged on the flipping element, and is controllable to move into a first radial position and a second radial position. In the first radial position, the friction element does not apply a frictional force to a sheet in the transport path and in the second radial position, the friction element does apply a frictional force to a sheet in the transport path. | 09-04-2014 |
20140217134 | METHOD AND SYSTEM FOR MAINTAINING JETTING STABILITY IN A JETTING DEVICE - The invention relates to a method for maintaining and/or restoring the jetting stability in a jetting device, the jetting comprising fluid chamber body having arranged therein an orifice, the jetting device being configured to comprise a quantity of an electrically conductive fluid. The jetting device comprises actuation means, comprising a magnetic field generating means and an electrical current generating means for, in operation, applying an actuation pulse to the electrically conductive fluid. The method for maintaining and/or restoring the jetting stability comprises applying an maintenance pulse to at least a part of the electrically conductive fluid. The invention further relates to a jetting device, employing the described method. | 08-07-2014 |
20140210910 | DROPLET EJECTION DEVICE - A droplet ejection device comprising a flow passage, a nozzle orifice formed in a wall of the flow passage, a circulation system for circulating a liquid through the flow passage, and an actuator system for generating a pressure wave in the liquid in the flow passage, wherein an obstruction member is arranged in the flow passage in a position opposite to the nozzle orifice and projecting towards the nozzle orifice. | 07-31-2014 |
20140193067 | METHOD FOR CONVERTING A FULL COLOUR IMAGE TO A MONOCHROME IMAGE - A method for converting a full color image to a monochrome image is provided, wherein the color values of pixels are decomposed in a luminance and a chrominance component. Both components are converted to a grayscale value representing an intensity of a pixel. The luminance grayscale value is in a limited range close to a light end of the available grayscale. The chrominance grayscale value is closer to the dark end of the available grayscale when the chrominance component of the color value is larger. The darkest value of the two converted values is selected for a corresponding pixel. The effect of this conversion is that colored pixels are darker than colorless pixels, which is useful to highlight parts of a monochrome image that stand out because of their color in a full color image. It is particularly useful to help color blind people recognize colored parts of an image. | 07-10-2014 |
20140181497 | USER INTERFACE WITH SPLASH SCREEN - A user interface for a host data processing system includes a display screen and a display controller adapted to receive image data from the host processing system and to display them on the screen. The display controller has access to a non-volatile screen memory storing data for generating a splash screen at least during a start-up of the host processing system when image data from the host processing system are not yet available. The display controller is adapted to update the screen memory in response to commands received from the host processing system, and to display an updated splash screen upon the next start-up. | 06-26-2014 |
20140176633 | INK JET PRINTING METHOD AND PRINTER - A method of printing a spit pattern for an inkjet printer includes selecting a dot distance between dots of the spit pattern, selecting at least a sub-matrix of a dither matrix of entries arranged in rows and columns, constructing a bi-level bitmap of the same size as the sub-matrix, splitting each column of the bi-level bitmap which has more than one entry having a value of one into a number of columns such that each column of the number of columns comprises one entry having a value of one, removing each column of the bi-level bitmap which has no entry having a value of one, extracting the row and column number of each entry of the bi-level bitmap having a value of one, adapting the row number of each extracted entry in accordance with the dot distance, and printing the spit pattern. | 06-26-2014 |
20140173438 | USER INTERFACE FOR A MEDIA PROCESSING APPARATUS - A user interface for a media processing apparatus is adapted to process image receiving media so as to determine a physical configuration of a media sheet. The user interface includes a screen, a controller adapted to receive image data specifying an image to be received on a sheet and to control the screen so as to display a preview showing the sheet with the image received thereon, an input section adapted to input preview editing commands, and an output section adapted to output set commands for the media processing apparatus. The controller is adapted to derive the set commands from the preview editing commands. | 06-19-2014 |
20140160191 | METHOD FOR PRINTING CONTIGUOUS SWATHS - A method for printing an image on an image receiving member is provided, in which a print head having an array of print elements moves in a scanning direction to print image lines and the image receiving member is advanced in a transport direction after printing a swath. In order to obtain various contiguous swaths of print lines without a light or dark line between the swaths, the position of a prior swath printed preceding to a current swath is determined during the printing of the current swath. A digital mask is applied to the print data that is associated with the print elements at the to the prior swath adjoining edge of the current swath in dependence on the determination of the position of the prior swath. | 06-12-2014 |
20140143727 | METHOD FOR SELECTING A DIGITAL OBJECT ON A USER INTERFACE SCREEN - A method for displaying a plurality of digital objects on a user interface screen includes displaying at least two digital objects on the user interface screen, selecting a digital object, and displaying an operable user interface element by adding the operable user interface element to the selected digital object in a non-overlapping way with at least the non-selected digital objects. The operable user interface element represents a function to be applied on the digital item corresponding to the selected digital object when the operable user interface element is operated. The operable user interface element is displayed at an initial position and the displaying of the operable user interface element includes hiding the selected digital object at the initial position and displaying the selected digital object by adding the selected digital object to the operable user interface element which stays at the initial position on the user interface screen. | 05-22-2014 |
20140139581 | REPRODUCTION APPARATUS FOR PRINTING ON RECEIVING MATERIAL IN A SINGLE PASS PRINT STRATEGY - A reproduction apparatus for printing a digital image includes a control unit and a print engine. The digital image is constituted of pixels, each having assigned a pixel value. The print engine includes print elements for ejecting an amount of marking material on a receiving material according to a pixel value. The reproduction apparatus includes a detector for detecting a failing print element and the control unit includes a derivation unit for deriving, before printing of the digital image for a print element, at least one array of pixel values to be printed by at least one other print element, upon detection of a failing of the print element by the detector. A merging unit is configured to merge at least one of the at least one array of pixel values with the digital image, upon detection of a failing print element, for creating a corrected digital image. | 05-22-2014 |
20140132666 | SUCTION DEVICE FOR CLEANING A NOZZLE SURFACE OF A PRINT HEAD - A suction device is provided for cleaning a nozzle surface of a print head. The suction device comprises a suction surface and a spacer, whereby the spacer is provided with a spacer channel, the spacer channel comprising a spacer opening at an outer surface of the spacer and the spacer channel being operatively coupled to an air flow source. The spacer is configured for positioning the suction surface at a predetermined distance from the nozzle surface for providing a suction gap. The suction device is configured to provide in operation an air flow through the suction gap, along the nozzle surface and into the suction channel. An air flow may be provided through the spacer channel of the spacer in order to clean an area of the nozzle surface of the print head. | 05-15-2014 |
20140118758 | METHOD FOR CREATING A COPY IMAGE AND REPRODUCTION SYSTEM - A method creates a copy image from a hardcopy original on a reproduction system including a display. The method includes displaying a predetermined digital image according to image parameters set with initial image parameter values, reading out image parameter values entered by a user for replacing the initial image parameter values and characterizing the hardcopy original, displaying the predetermined digital image in accordance with the read-out image parameter values, determining a first conversion of image parameters mapping the initial image parameter values to the read-out image parameter values, determining a second conversion of image parameters by inverting the first conversion, scanning the hardcopy original resulting in scan-bound image parameter values, applying the second conversion to the scan-bound image parameter values resulting in converted image parameter values, and creating the copy image by taking into account the converted image parameter values. A reproduction system is configured for applying the method. | 05-01-2014 |
20140114013 | HOT MELT INK COMPOSITION COMPRISING A COPOLYESTER AND PROCESS FOR PREPARING A COPOLYESTER - A hot melt ink composition includes a copolyester, the copolyester consisting essentially of a condensation product of a first type of monomer, a second type of monomer and a third type of monomer, wherein the first type of monomer comprises at least one monomer A selected from the group of polyhydroxyl alcohols comprising X hydroxyl functional groups, wherein X≧3, wherein the second type of monomer comprises at least one monomer B selected from the group of monomers being able to form an ester linkage with an alcohol and wherein the third type of monomer comprises at least one monomer C selected from the group of aromatic monocarboxylic acids. A method for preparing such copolyesters and a hot melt ink composition includes a mixture of such copolyesters. | 04-24-2014 |
20140099788 | METHOD FOR APPLYING AN IMAGE OF AN ELECTRICALLY CONDUCTIVE MATERIAL ONTO A RECORDING MEDIUM AND DEVICE FOR EJECTING DROPLETS OF AN ELECTRICALLY CONDUCTIVE FLUID - The invention relates to a method for applying an image of an electrically conductive material onto a recording medium. In the method, the recording medium is heated and the electrically conductive material is jetted onto the recording medium. The invention further relates to a device for ejecting droplets of an electrically conductive fluid onto a recording medium. | 04-10-2014 |
20140098163 | INKJET PRINT HEAD - An ink jet printing device includes a pressure chamber, a first actuator membrane being arranged to form a first flexible wall of the pressure chamber, a first piezo-electric part being operatively connected to a surface of the first actuator membrane, a second actuator membrane being arranged to form a second flexible wall of the pressure chamber and a second piezo-electric part being operatively connected to a surface of the second actuator membrane, wherein the second flexible wall is mechanically decoupled from the first flexible wall. | 04-10-2014 |
20140076988 | METHOD FOR CONTROLLING THE TEMPERATURE OF A JETTING DEVICE - A method for controlling a temperature of a jetting device, the jetting device being configured to jet droplets of a fluid at a high temperature, the fluid comprising an electrically conductive fluid, wherein at least a part of the fluid is positioned in a magnetic field, includes heating the jetting device to an operating temperature, being defined as the temperature suitable for jetting droplets, using a heat jetting droplets by providing an electrical actuation current in the part of the fluid positioned in the magnetic field, thereby generating a force in the conductive fluid; determining upcoming jetting conditions, the upcoming jetting conditions being defined as the jetting conditions corresponding to droplets to be jetted at a time (t | 03-20-2014 |
20140059338 | METHOD FOR SECURE BOOTING OF A PRINTER CONTROLLER - A printing system is provided with a secure boot program and a detachable memory device with an installable secure boot program. Upon switching on the printer controller, the secure boot program will check if a detachable memory device containing the secure boot program is plugged in. If this is the case, the controller will boot from the detachable memory device, otherwise the controller will invoke the printer control program to bring the printer in its normal operational mode. | 02-27-2014 |
20140022598 | REPRODUCTION SYSTEM FOR PRINTING AND COPYING DIGITAL DOCUMENTS - A reproduction system includes a printer for printing a print job on receiving material in accordance with a set of values for a plurality of basic settings, a control for controlling the print job in order to print the print job, and a display and activating device for displaying a visual representation of settings for the print job and for activating values of the basic settings for the print job. The control is configured to define a plurality of settings categories each of which is directed to an aspect of the print product and includes a predetermined category option which determines a set of values for a plurality of basic settings, the category options for the settings categories together completely describing the print product. The display and activating device is configured to simultaneously display the complete plurality of settings categories, each settings category showing the corresponding category option. | 01-23-2014 |
20140022296 | METHOD FOR CONTROLLING DROPLET EJECTION FROM AN INKJET PRINT HEAD - A method for controlling droplet ejection, wherein droplets ejected from an inkjet print head are to be received on a recording substrate and wherein the print head and the recording substrate are moveable relative to each other, includes determining a set of droplet ejection moments, the set of droplet ejection moments determining when a droplet may be ejected from the print head; moving the inkjet print head and the recording substrate relative to each other; predicting an actual relative position of the print head and the recording substrate at a droplet ejection moment; and determining whether or not a droplet is to be ejected at the droplet ejection moment depending on the predicted actual relative position and depending on the predetermined pattern. Thus, droplets may be ejected from the print head only at stable droplet ejection moments resulting in an increased stability of operation of the print head. | 01-23-2014 |
20140021268 | DEVICE FOR EJECTING DROPLETS OF AN ELECTRICALLY CONDUCTIVE FLUID, VAPOR SUPPRESSING MEANS FOR USE IN SAID DEVICE AND A METHOD FOR SUPPRESSING VAPOR OF AN ELECTRICALLY CONDUCTIVE FLUID - In a device for ejecting droplets of an electrically conductive fluid, a vapor suppressing device is provided to suppress vapor of the electrically conductive fluid. The vapor suppressing device includes an electrode, adapted to provide a direct voltage. Further, a method for suppressing vapor of an electrically conductive fluid in a device for ejecting droplets of an electrically conductive fluid is provided. | 01-23-2014 |
20140021168 | METHOD OF FORMING A NOZZLE OF A FLUID EJECTION DEVICE - A method of forming a nozzle of a fluid ejection device, the nozzle having a straight mouth portion and a cavity portion, wherein the mouth portion is formed in a bottom surface of the substrate, and, after passivating the walls of the mouth portion, a wet etch process is applied from the bottom surface of the substrate for forming a part of the cavity portion with walls that diverge from the mouth portion, characterized in that a wet etch process is also applied from a top surface of the substrate for forming a part of the cavity portion which diverges towards the bottom surface and merges with the part that is etched from the bottom surface. | 01-23-2014 |
20140015884 | PRINTING METHOD - A printer and a method of printing by depositing liquid droplets ( | 01-16-2014 |
20140011931 | BIO-BASED POLYESTER LATEX - The present invention relates to a copolyester from between 30 and 50 mol % of a first monomer being an isohexide; between 40 and 60 mol % of a second monomer being an aromatic dicarboxylic acid or a cycloaliphatic dicarboxylic acid; and between 1 and 20 mol % of a third monomer being an aliphatic diol, the copolyester having an acid number of between 10 and 50. | 01-09-2014 |
20140002533 | REPRODUCTION APPARATUS FOR PRINTING ON SHEETS | 01-02-2014 |
20130321828 | METHOD FOR PROCESSING RASTERIZED IMAGE DATA - A method for processing pixels in rasterized image data includes a combination of text and photographic content. Each pixel having a discrete color value, a surround value based on the number of neighboring pixels having the same color value is determined. A division in blocks of two by two pixels is made and a critical number is determined based on the number of surround values lower than a predetermined threshold. This critical number has one of five possible values. Based on this critical number, a discrimination is made between noisy blocks, and flat blocks. The color values of pixels within a noisy block are replaced by an average of the color values of the pixels within the noisy block. For image data rasterized with 600 pixels per inch, this method does not deteriorate the image quality of text nor photographic content. The image data are more apt for lossless compression. | 12-05-2013 |
20130299449 | HOT MELT COMPOSITION AND A METHOD AND SYSTEM FOR MANUFACTURING ELECTRONIC AND/OR OPTICAL COMPONENTS USING SUCH A HOT MELT COMPOSITION - A method for manufacturing electrical and/or optical components, wherein a hot melt composition including an alkane based wax and an amorphous material as a masking material is used. The hot melt composition has a melting point of between 40° C. and 85° C. and a viscosity of between 5 and 20 mPa·s at not less than one temperature within the range of between 50° C. and 140° C. A hot melt composition includes between 40 weight % and 89.9 weight % of an alkane based wax; between 10 weight % and 50 weight % of an amorphous material; and between 0.1 weight % and 10 weight % of a phosphonium based ionic liquid. A system and a method for manufacturing electronic and/or optical components is provided, wherein after the etch processes and/or plating processes, the hot melt composition is removed from the substrate with the aid of hot water. | 11-14-2013 |
20130278980 | METHOD FOR SCANNING HARD COPY ORIGINALS - A method for converting a hard copy original to a digital image by a scanner system having an image line sensor and a transport system for transporting the hard copy original across the image line sensor are provided. The scanner system has several modes of operation, each mode being associated with a predefined original type and each mode assembling either grey lines or color lines for composing the digital image. The method includes determining an optimal mode of operation for converting the hard copy original by transporting a first part of the hard copy original across the image line sensor. Grey lines from the image line sensor are used in the determination, because this allows the hard copy original to be transported three times as fast across the image line sensor. It is still possible to discern originals with color information from scanned originals with only black-and-white information. | 10-24-2013 |
20130206549 | BELT ADJUSTING METHOD AND BELT TRANSPORT SYSTEM - A method of adjusting a lateral position of an endless belt that is passed around at least two rollers, comprising the steps of: controlling a tilt position of a first roller of the at least two rollers; and adjusting a lateral position of the first roller, wherein the lateral position of the first roller is adjusted in combination with controlling the tilt position of the first roller. | 08-15-2013 |
20130203579 | SHEET FOLDING APPARATUS, SHEET FOLDING METHOD, AND PRINTING SYSTEM INCLUDING THE SHEET FOLDING APPARATUS - A sheet folding apparatus includes a sheet transport system, adjustable folding members arranged to bend and fold a sheet fed by the transport system, and a control system arranged to adjust the folding members to set positions in accordance with information on sheet properties. The control system stores a table that specifies different set positions of the folding members for different bending properties of the sheets and is adapted to read information on the bending properties of the sheets to be folded and to adjust the folding members to set positions as specified by the bending properties. | 08-08-2013 |
20130201259 | INK JET PRINT HEAD WITH PIEZOELECTRIC ACTUATOR - An ink jet print head, having a pressure generation chamber arranged for being in communication with a print head nozzle and an actuator membrane for delimiting the pressure generation chamber. The actuator membrane has a substrate and a piezoelectric actuator provided on the substrate, said piezoelectric actuator having a lower electrode, an upper electrode and at least one piezoelectric layer arranged between the lower electrode and the upper electrode; the substrate and the upper electrode are arranged on opposite sides of the piezoelectric layer, and the upper electrode has a Titanium-Tungsten film. | 08-08-2013 |
20130200563 | SHEET CONVEYING DEVICE - A sheet conveying device includes a belt arranged to carry sheets from an upstream end to a downstream end of a transport path, the belt having an array of perforations; and an array of suction nozzles arranged below the belt for sucking-in ambient air through the perforations of the belt. At least one blow nozzle is arranged at the downstream end of the transport path for blowing out a gas through the perforations of the belt. The downstream end of the transport path is defined by a deflection roller. A plurality of blow nozzles are formed by circumferential grooves in the peripheral surface of the deflection roller. | 08-08-2013 |
20130194351 | INKJET PRINT HEAD - In an inkjet print head an actuation chamber substantially extends in a first direction and the actuation chamber is associated with a piezo actuator arranged to generate a pressure wave in the actuation chamber. The pressure wave propagates in said first direction. A nozzle is associated with the actuation chamber such that a droplet may be expelled through the nozzle upon generation of the pressure wave in the actuation chamber. A reservoir is in fluid communication with the actuation chamber via an inlet and an outlet of the actuation chamber. A pump means is provided for pumping ink from the reservoir, via the inlet, through the actuation chamber, via the outlet back into said reservoir. The print head is provided with a means for reflecting the pressure wave at the outlet of the actuation chamber for enabling to generate a sufficient pressure at the nozzle for expelling the droplet. | 08-01-2013 |
20130188225 | METHOD OF HALFTONING FOR ASYMMETRIC PRINT RESOLUTIONS AND A PRINTER - A method of printing an image by a printer having an asymmetric printer resolution includes multi-level halftoning the image by assigning a level out of a number of levels to each pixel of the image. The method further includes determining the number of levels on the basis of the asymmetric printer resolution, selecting for each level a collection of at least one binary pattern, each binary pattern consisting of a plurality of sub-pixels the number of which is determined by the number of levels, selecting for each pixel of the halftoned image a binary pattern from the collection selected for the level assigned to the pixel, transforming each pixel of the halftoned image into the selected binary pattern, and printing the binary patterns of the transformed pixels using the asymmetric printer resolution. A printer is configured to perform the method. | 07-25-2013 |
20130188204 | METHOD FOR PRINTING AN IMAGE WITH LOW INK USAGE - A method for printing an image with colour pixels is disclosed. This method optimizes the print quality for a selected level of ink usage by maximizing a dot-off-dot strategy and separating between direct binary search dot patterns for a number of selected colorants in a printer comprising black colorant. Ink usage is controlled by determining the fraction of coinciding printer colorants that may be substituted by black colorant. The perceived error between the image pixels and the image dot pattern is minimized according to a human visual system model that excludes non-homogeneous patterns that affect the quality of the halftone textures. Dots for other colorants are processed independently and added to the obtained halftone dot pattern for the selected colorants. | 07-25-2013 |
20130187973 | INK JET PRINTING METHOD AND PRINTER - In an ink jet printing method, a recording medium is moved relative to a print head having a plurality of nozzles, and ink droplets are ejected from the nozzles onto the recording medium in a single pass in accordance with print data supplied to the print head. Spit pattern data is included in the print data A location of an expected ink dot ejected according to the spit pattern data is scanned, providing a scanned image, and such ink dot is searched for in the scanned image in order to determine an actual presence of the ink dot. | 07-25-2013 |
20130187964 | METHOD OF IMPROVING ADHESIVENESS OF MARKING MATERIAL AND RECEIVING MEDIUM AND A PRINTER - A method for printing an image by a reproduction apparatus includes a print head with print elements for ejecting marking material on a receiving medium in a multi-pass mode. The method includes selecting a multi-pass mode out of at least two multi-pass modes, dividing the image into a plurality of strips, determining for each strip a total amount of marking material required to print the strip on the receiving medium, ejecting for each strip a first amount of the total amount of marking material on the receiving medium during a first pass, and ejecting for each strip a remaining amount of the total amount of marking material on the receiving medium during passes subsequent to the first pass. A ratio of the first amount and the total amount of each strip is the same for the at least two multi-pass modes. The method is suitable for implementation in a reproduction apparatus. | 07-25-2013 |
20130182028 | METHOD OF CAMOUFLAGING ARTIFACTS IN HIGH COVERAGE AREAS IN IMAGES TO BE PRINTED - A method of printing an image on a receiving medium includes increasing the number of pixels in each row of a part of the image by x pixels, resulting in the part of the image including m by n+x pixels; assigning a printing element to each added pixel; identifying pixels to which a compensating printing element of the defective printing element is assigned; changing the value of at least one identified pixel into an integer value greater than zero; increasing the first printer resolution in the main-scanning direction to a second printer resolution by multiplying the first printer resolution in the main-scanning direction with a factor equal to (n+x)/n; and printing the part of the image according to the second printer resolution in the main-scanning direction and according to the values of the pixels of the part of the image. | 07-18-2013 |
20130181389 | PRINTING SYSTEM WITH SHEET CONVEYING DEVICE - A printing system includes a marking engine for applying a marking substance onto a sheet and a sheet conveying device. The sheet conveying device includes a belt arranged to carry sheets from an upstream end to a downstream end of a transport path, the belt having an array of perforations; an array of suction nozzles arranged below the belt for sucking-in ambient air through the perforations of the belt; and at least one blow nozzle arranged at the downstream end of the transport path for blowing out a gas through the perforations of the belt. The conveying device further includes an array of anti-friction blow nozzles interleaved with the array of suction nozzles and connected to a blower for blowing-out a gas towards the bottom surface of the belt during the traverse of the sheet along the marking engine. | 07-18-2013 |
20130181065 | DEVICE FOR EJECTING DROPLETS OF AN ELECTRICALLY NON-CONDUCTIVE FLUID AT HIGH TEMPERATURE - A device is configured to eject droplets of an electrically non-conductive medium at a temperature of 360° C. or above. The device includes a fluid chamber body, the fluid chamber body having a fluid chamber for containing an electrically non-conductive medium at a temperature of 360° C. or above and for containing a conductive medium. The fluid chamber includes an orifice. In the fluid chamber, at least a part of the electrically non-conductive medium is positioned closer to the orifice than the conductive medium. The device further includes a heater configured to heat the electrically non-conductive medium and an actuator, the actuator includes electrodes for generating a current in the conductive medium and magnets for generating a magnetic field in the conductive medium. | 07-18-2013 |
20130177449 | OPERATING A PIEZOELECTRIC ACTUATOR MEMBRANE OF A PRESSURE CHAMBER - A method of controlling a pressure of a fluid in a pressure chamber, which pressure chamber is delimited by an actuator membrane having a first piezoelectric portion arranged in a central zone of the actuator membrane and at least one second piezoelectric portion arranged in at least one peripheral zone of the actuator membrane; and an ink jet printing device. In a neutral stage, a first flexure state of the actuator membrane is provided by applying first and second voltages to respective piezoelectric portions. In an activation stage, the first and second voltages are temporarily varied, without reversing their polarity, such that a curvature of the central part of the actuator membrane and a curvature of the peripheral part of the actuator membrane are changed in opposite directions, in order to expell a droplet of fluid through a nozzle. | 07-11-2013 |
20130176581 | METHOD FOR ADJUSTING THE AMOUNT OF MARKING MATERIAL IN A PRINTED IMAGE - A method for reducing an amount of marking material for printing a binary image on a receiving material uses a printing process configured to apply print pixels and to associate each image pixel with at least two print pixels. A print signal is generated indicating for each print pixel whether marking material is to be applied. The print signal is filtered by a predefined mask that defines for which print pixels no marking material will be applied independent of the pixel value of the associated image pixel. The print pixels that are blocked by the mask define a regular pattern to avoid graininess in the printed image. The main effect on print quality is a reduction of the contrast in the image. By choosing one of a set of at least two masks, the user selects the amount of reduction that is realized in the print process. | 07-11-2013 |
20130176580 | OUTPUT PROFILE FOR COLOUR REPRODUCTION SYSTEM - A method for characterizing a colour rendering reprographic apparatus for making an output colour profile comprises the steps of measuring a set of colour values, indicative of output of the colour rendering reprographic apparatus on a predetermined medium and processing these measurement data to profile data that are applicable for creating an output colour profile according to the standards of the International Colour Consortium. The processing step comprises a correction of a measured colour value with a medium compensation value that depends on the medium gray colour value at the same lightness as the measured colour value. The medium gray colour value is a value that results from the application of black colorant on the predetermined medium. The medium compensation value reduces to zero at the lightness of the predetermined medium. The effect of this processing step is that a profile is generated that gives prints that are both free of background colorant and have natural colour rendering. | 07-11-2013 |
20130176327 | METHOD OF RENDERING A COLOUR IMAGE WITH SPATIAL GAMUT MAPPING - A method of rendering a colour image from an object-based source file, including spatial gamut mapping to a target colour space, includes the steps of: rendering an image that includes a plurality of source file objects without gamut mapping, in a colour space having a gamut large enough to avoid a loss of colour information, and subjecting the rendered image to spatial gamut mapping to the target colour space. | 07-11-2013 |
20130156473 | RECORDING SUBSTRATE TREATMENT APPARATUS AND METHOD - A recording substrate treatment apparatus, includes a heating device for directly heating a recording substrate, a condenser for condensing liquid from air from surroundings of a recording substrate, and an energy transfer system arranged for transferring energy from latent heat, which is released by said condensing of liquid by the condenser, to the heating device. Further, a method of drying a recording substrate and a method of fixing a printing substance on a recording substrate include heating a recording substrate by a heating device; condensing liquid from air from surroundings of the recording substrate; and transferring energy from latent heat, which is released by said condensing of liquid, to said heating device. | 06-20-2013 |
20130155141 | METHOD FOR DETERMINING MAINTENANCE UNIT PERFORMANCE - In a method for determining a maintenance performance of a maintenance unit of an inkjet printing system, the inkjet system comprises an inkjet print head having an orifice surface, the orifice surface comprising an orifice, which orifice is in fluid communication with an ink chamber. The method comprises operating the maintenance unit to perform a maintenance operation on the orifice surface of the inkjet print head and detecting the presence of a wiper element or amount of ink over the orifice by detecting a pressure wave in the ink chamber and analyzing the detected pressure wave to determine the maintenance performance of the maintenance unit. | 06-20-2013 |
20130137805 | REUSABLE PRINT MEDIUM AND METHOD OF MANUFACTURING THEREOF - The present invention relates to a reusable print medium comprising a substrate and a sacrificial layer. The sacrificial layer contains a hotmelt composition at least comprising an amorphous material. The amorphous material is a resin being a reaction product of a first monomer A, said first monomer A being a polyhydroxyl alcohol comprising X hydroxyl functional groups, wherein X≧2, monomer A optionally comprises a primary or secondary amine functionality; a second monomer B, being an aromatic monocarboxylic acid; a third monomer C, said third monomer C being able to form an ester linkage with an alcohol and/or an amide linkage with a primary or secondary amine; and optionally, a fourth monomer D, being an aromatic monocarboxylic acid different from the second monomer B. The sacrificial layer including the printed image may be removed from the substrate by applying heat. A new sacrificial layer may be applied such that the reusable print medium is ready to be reused. | 05-30-2013 |
20130127950 | COATING FOR PROVIDING A WETTING GRADIENT TO AN ORIFICE SURFACE AROUND AN ORIFICE AND METHOD FOR APPLYING SAID COATING - A coating provides a wetting gradient to an orifice surface, the coating having a local coverage that decreases with increasing distance from an orifice. A method is provided for applying a wetting gradient on an orifice surface. The wetting gradient is formed by providing a compound for forming a coating and locally bonding this compound to the orifice surface. A print head is provided with an orifice surface, wherein the orifice surface has a wetting gradient provided around an orifice using the method for applying a wetting gradient on an orifice surface. | 05-23-2013 |
20130124966 | NETWORK SYSTEM COMPRISING A COMPUTER AND A READING DEVICE - A network system includes a computer and an apparatus for reading digital documents, including an apparatus display being connectable to a communication channel of the computer via a connector. The computer includes a converter to convert a document to a format displayable by the apparatus, a first watching unit to watch the communication channel for arrival of the apparatus, and a second watching unit to watch a user's activities on the computer. The apparatus includes a detector to detect a moment in time when the user starts to work with the apparatus, and a notification device configured to send a notification to the computer via the connector. The computer is configured to establish upon receipt of the notification a transfer of the converted document from the computer via the connector to the apparatus, and the apparatus is configured to show a converted document on the apparatus display. | 05-16-2013 |
20130120776 | PRINT ENGINE FOR PRINTING A PRINT JOB USING APPROPRIATE CALIBRATION DATA - A print engine for producing printed output according to image data in a print job includes in its user interface an activation element for printing a part of the image data in a selected print job using currently applicable calibration data. After inspection of the printed output the selected print job may be finished without further calibration or it may be finished after a calibration is performed. This calibration of the intensity of the process colours is performed for a job control value that occurs within the selected print job. Therefore the effect of the calibration is directly visible to the user of the print engine. | 05-16-2013 |
20130115551 | ELECTROPHOTOGRAPHIC TONER, A PRINTING SYSTEM FOR APPLYING SAID TONER ON AN IMAGE RECEIVING MEDIUM AND A METHOD FOR PREPARING SAID TONER - The invention relates to a toner for developing a toner image, the toner comprising a binder resin, a colorant, a first wax and a compatibilizer. The wax is finely dispersed within the toner. The compatibilizer has a melting transition, wherein the lower temperature limit of the melting transition is between 110° C. and 140° C. at the time of temperature rise in the DSC curve measured using a differential scanning calorimeter. The invention further relates to a printing system for applying the toner according to the present invention on an image receiving medium. The invention further relates to a method for preparing the toner according to the present invention. | 05-09-2013 |
20130114093 | METHOD TO ENHANCE DETAILED INFORMATION - A method for enhancing detail information in rasterized, continuous tone images includes a function that enlarges the contrast of a pixel in a neighborhood of pixels when in that neighborhood one of the pixels has a value that is close to a white color. This is determined by selecting the whitest pixel in the neighborhood. The function shows a gradual transition between the situations in which the whitest pixel is close to the white color and in which the whitest pixel is far from the white color. The method results in a better rendering of fine print when the image is sent to a printing system that reproduces the image on receiving material. For small characters, the legibility is improved by application of this method. | 05-09-2013 |
20130098741 | METHOD FOR PRODUCING A SWITCHING MEMBRANE - In a method a membrane for switching operation is made by providing a transparent sheet, forming a graphical layer by image-wise providing a curable ink layer using inkjet printing on a surface of the transparent sheet, wherein the graphical layer has a thickness of at most 35 micron, curing the graphical layer, and forming a flexible layer by providing an ink layer using screen printing over the graphical layer. | 04-25-2013 |
20130087276 | MEDIUM SUPPORT MEMBER - A medium support member includes a table having a top surface; an overlay placed on the top surface of the table, the overlay having a top surface and a bottom surface and a plurality of through-holes; a spacer array provided between the top surface of the table and the bottom surface of the overlay to define a gap between the table and the overlay, and at least one vacuum passage communicating with said gap for creating an underpressure in the gap, wherein at least portions of the overlay and corresponding portions of the table are held together by magnetic attraction. | 04-11-2013 |
20130083114 | PRINTER ASSEMBLY - A printer assembly is configured to be arranged on a support surface and comprises: a medium delivery station and a printing station comprising a moveably arranged element. The printer assembly extends between a first end and a second end, wherein the printer is configured to be supported on the support surface at the first end. The medium delivery station and the printing station are arranged on a line extending between the first end and the second end. The printing station is arranged closer to the first end than the medium delivery station. A direction of movement of the moveably arranged element is not parallel to said line extending between the first end and the second end. | 04-04-2013 |
20130068724 | METHOD FOR MANUFACTURING A NOZZLE AND AN ASSOCIATED FUNNEL IN A SINGLE PLATE - A method for manufacturing a nozzle and an associated funnel in a single plate comprises providing the single plate, the plate being etchable; providing an etch resistant mask on the plate, the mask having a pattern, wherein the pattern comprises a first pattern part for etching the nozzle and a second pattern part for etching the funnel; covering one of the first pattern part and the second pattern part using a first cover; etching one of the nozzle and funnel corresponding to the pattern part not covered in step (c); removing the first cover; etching the other one of the nozzle and funnel; and removing the etch resistant mask. | 03-21-2013 |
20130044950 | METHOD TO RESTORE EDGES IN RASTERIZED IMAGES - Restoration of edges in rasterized, continuous tone images includes selection of a pair of neighbouring pixels that exchange a restoration value to make a steeper transition from a low value on one side of a boundary between the two pixels to a high value at the other side thereof. Although any pair of neighbouring pixels is selected, this operation is only performed when four pixels in a direction perpendicular to the boundary, of which the selected pair form the two center pixels, have a monotonely increasing value. The restoration value is based on a difference value of nearest neighbouring pixels on the same side of the boundary. This avoids overshooting around edges in an image. The method is advantageous when resealing an image to a higher resolution which occurs when a low resolution image is embedded in a page that is to be printed with a high addressability printer system. | 02-21-2013 |
20130021404 | METHOD FOR MONITORING A JETTING PERFORMANCE OF A PRINT HEAD - The invention relates to a method for monitoring a performance of a jetting device, the jetting device being configured to expel droplets of an electrically conductive fluid wherein at least a part of the conductive fluid is positioned in a magnetic field, the method comprising providing an electrical actuation current in the part of the conductive fluid positioned in the magnetic field, thereby generating a pressure wave in the conductive fluid; characterized in that the method further comprises detecting a resulting electrical current, which electrical current is induced by a residual pressure wave in the part of the conductive fluid positioned in the magnetic field, thereby obtaining a detection signal and based on the detection signal determining whether the jetting device is in an operative state. The invention further relates to a printing device, employing the described method. | 01-24-2013 |
20120314011 | METHOD AND APPLYING A CURABLE HOT-MELT INK ON A MEDIUM - In a method for applying a curable hot-melt ink the ink is applied in a fluid state on a medium, in particular a recording medium or an intermediate transfer member, on which the ink cools, thereby thickening. Then, the applied ink is at least partly heated such that the viscosity of at least a part of the ink decreases. Thereafter, the ink is cured. The method is suitable for providing a high gloss image and/or for improving an ink transfer from the intermediate transfer member to a recording medium and/or for improving an adhesion of the ink on the recording medium. | 12-13-2012 |
20120287464 | METHOD FOR MANAGING PRINT MEDIA - A method is provided to synchronize media lists of several devices in a general architecture of devices by supplementing a media list of a first device with entries from a media list of a second device, even if the media associated with an entry is not applicable in the first device. This has the advantage that entries from the media list of the second device may be passed to a third device without the second and third device being connected to a network at the same time. Entries from media lists are considered to be associated with the same media, if the identification attributes, which may be more than one attribute, are equal. In that case, the additional attributes of the entry are supplemented according to merging rules that depend on the kind of attributes. | 11-15-2012 |
20120268771 | MULTI-FUNCTIONAL PRINTER DEVICE DISPLAYING FAULTED SHEETS - An image processing apparatus has a control section, at least one sheet conveying system, at least one image conversion section and a user interface section having an associated display. The image conversion section includes a scanning function and/or a printing function, wherein the sheet conveying system is for conveying a sheet from an input section, past the image conversion section to an output section. In reaction to a paper jam in the sheet conveying system, resulting in sheets remaining in that conveying system after the same has come to a stop, the control section determines those sheets remaining in that conveying system, and shows thumbnail images thereof on the user interface display as an aid for an operator to remove those sheets. The last sheet correctly processed or the first sheet to be processed after clearance of the jam may be shown on the display. | 10-25-2012 |
20120267845 | SHEET STACKING DEVICE AND METHOD OF STACKING SHEETS - A sheet stacking device and method of stacking sheets, wherein a first pressing member engages with an edge of a new sheet to be deposited on top of a previously deposited sheet on a sheet receiving plane and presses down the edge, while a second pressing member maintains a pressure onto an edge of the previously deposited sheet. The second pressing member engages with the edge of the new sheet and presses down the edge onto the previously deposited sheet on the receiving plane, while the first pressing member maintains a pressure onto the edge of the new sheet. Thus, the sheets may always be pressed down on the edge by at least one of the first and second pressing members. | 10-25-2012 |
20120264845 | RADIATION CURABLE INK COMPOSITION - A radiation curable ink composition has improved adhesion towards rigid recording media, good jetting behaviour and no or minimal health and safety risks. The radiation curable ink has a viscosity of 30 mPa·s, or less, at 50° C., has at least two monofunctional monomers, the two monofunctional monomers including a first monomer selected from an N-vinyl amide and a second monofunctional monomer being isobornyl acrylate, a difunctional acrylate monomer being propoxylated (or ethoxylated) neopentyl glycol di acrylate (SR 9003), at least one multifunctional monomer selected from the group consisting of a trifunctional acrylate monomer, a tetrafunctional acrylate monomer, a pentafunctional acrylate monomer, a trifunctional epoxide monomer, a tetrafunctional epoxide monomer, a pentafunctional epoxide monomer, a trifunctional oxetane monomer, a tetrafunctional oxetane monomer, a pentafunctional oxetane monomer, a trifunctional vinylether monomer, a tetrafunctional vinylether monomer and a pentafunctional vinylether monomer, the ink further includes at least one photoinitiator and a colorant. | 10-18-2012 |
20120249657 | METHOD FOR DETERMINING A VELOCITY OF AN OBJECT IN A PRINTING SYSTEM - In a method for determining a velocity of an object in a printing system, a reference pattern is moved, in particular in a substantial linear movement or in a rotational movement, relative to an fixed reference point independent of the object. A first sensor, configured to have substantially the same velocity as said object with respect to said reference pattern, provides a sensor signal based on the sensed reference pattern. The velocity of the object with respect to said fixed reference point is determined based on the determined velocity of said reference pattern with respect to said fixed reference point, and based on the sensor signal. The movement of the reference pattern enables improved accuracy of the determination of the velocity of the object, in particular for a slow moving object. | 10-04-2012 |
20120243051 | METHOD FOR GENERATING PRINT DATA AND A COLOR PRINTER SYSTEM - A method for generating print data for digital color images uses a division of the images in windows. Each window is characterized as belonging to a predefined class, based on values of pixels in corresponding windows in at least two sub-images that are derived from the color image by a series of image processing steps. These sub-images are, e.g. a gradient sub-image in which the value of every pixel indicates the difference of that pixel with its local neighborhood and a non-uniformity sub-image in which each pixel determined to be comprised in a uniform area is provided with a predetermined value. The percentage of windows belonging to a class is calculated and compared to threshold values to identify an image type. This image type is used to select a conversion method to convert the color image into print data for printing on the printer system. | 09-27-2012 |
20120235348 | SHEET INVERTING DEVICE AND METHOD OF INVERTING A FOLDED SHEET - A sheet inverting device and a method of inverting a folded sheet include an inverting element that inverts the sheet around an axis of rotation towards a receiving member for receiving the sheet, and at least one moveable stop member that limits, in a first position of the stop member above the receiving member, an unfolding movement of the sheet in a direction towards a far side of the receiving member. The stop member is adapted to be retracted from the first position into a second position of the stop member. | 09-20-2012 |
20120229865 | METHOD OF HALFTONING AN IMAGE - A method of halftoning an image wherein a source file that represents the image in the form of a first pixel array, in which at least one input colour value that is given by a first number of bits is assigned to each pixel, is electronically processed to compute an output file in the form of a second pixel array in which at least one output colour value that is given by a second number of bits, said second number being smaller than the first number, is assigned to each pixel of the second pixel array, wherein the processing is performed in a Graphics Processing Unit (GPU). | 09-13-2012 |
20120200632 | METHOD FOR CALIBRATING AN ARRAY OF IMAGING ELEMENTS - For accurately calibrating an inline scanner a printer such as an inkjet printer may print a pattern, which is scanned by the inline scanner. The method is configured such that print artifacts resulting from not yet calibrated print heads do not significantly influence the calibration of the scanner. After calibration of the scanner, the print heads and the control units driving the print heads may be calibrated using the calibrated inline scanner. | 08-09-2012 |
20120188569 | METHOD OF CREATING A PRINTABLE RASTER IMAGE FILE - A method of creating a printable raster image file from a PDL file, including interpreting the PDL file, thereby to create a display list; and applying raster image processing to the display list, thereby to create the printable raster image file in four separation colours (C, M, Y, K), wherein the raster image processing is performed in a Graphics Processing Unit (GPU) having three colour channels (R, G, B) and an alpha channel (A) for transparency, and the three colour channels and the alpha channel are mapped onto the four separation colours (C, M, Y, K). | 07-26-2012 |
20120177290 | AUTOMATIC TABLE LOCATION IN DOCUMENTS - A method for locating tables in documents includes defining a plurality of tiles for a document, for each tile, determining a horizontal profile and a vertical profile, determining the location of lines by means of gradients of the horizontal profiles and the vertical profiles, selecting from the lines, the lines that are persistent, determining a rectangle in at least one corner of the document based on the persistent lines, and applying heuristics in order to accept or reject a determined rectangle as a table of the document. An apparatus for automatically locating a table in a document applies the method for locating tables in documents. | 07-12-2012 |
20120164450 | METHOD FOR PRODUCING AND TREATING NANOSIZED DOPED ZINC OXIDE PARTICLES - A method is provided for treating nanosized doped zinc oxide particles and a method is provided for producing nanosized doped zinc oxide particles, preferably to be treated according to the method for treating. Nanosized doped zinc oxide particles are obtained and/or treated by the method(s) of treating and producing. A toner includes the nanosized doped zinc oxide particles. | 06-28-2012 |
20120159292 | METHOD OF PROCESSING AN OBJECT-BASED IMAGE FILE WITH CONTENT TYPE DEPENDENT IMAGE PROCESSING ALGORITHMS - 1. A method of processing an object-based image file with content type dependent image processing algorithms, comprising the steps of:
| 06-21-2012 |
20120140260 | METHOD FOR COMPOSING A REFLECTIVITY HISTOGRAM AND REPROGRAPHIC APPARATUS USING THIS METHOD - A method for composing a global histogram of the values of the pixels of a hardcopy original includes a division of a detection area, which may be larger than the original, in stripes. For each of the stripes, a local histogram is made, which is added to a candidate histogram. If the decision is made from the values of the local histogram that a stripe belongs to the original, the candidate histogram is added to the global histogram. In this way, a representative histogram of the original is obtained, even if the white pixels from the original are indiscernible from the white pixels from the cover of the scanner. The method is embodied in an electronic component, including an application specific processing unit. | 06-07-2012 |
20110292429 | METHOD FOR PROCESSING DOCUMENTS ON AN IMAGE-PROCESSING APPARATUS - The invention relates to a method for processing documents on an image-forming apparatus, which is able to handle a plurality of settings, each setting settable to any of a number of setting values, the method comprising the steps of defining a first subset of the settings, defining a second subset of the settings, disjunctive from the first subset, for each setting of the first subset setting any of a number of setting values, which are selectable for the setting, for each setting of the second subset leaving the corresponding setting values unset, and for each document to be processed, creating a job for processing the digital document, associating the first and second subset and the setting values of the first subset with the job, interactively setting a setting value for each setting of the second subset, submitting the job with the setting values of the first and second subset to the image-forming apparatus, and processing the document by means of the image-forming apparatus according to the setting values of the first and second subset. The invention also relates to an image-forming apparatus and a computer program product for performing the steps of the claimed method. | 12-01-2011 |
20110292409 | REPROGRAPHIC SYSTEM - A probabilistic network, in particular a Bayesion network, is used for control of a printing system in order to realize an adaptable printing system. A reprographic system, includes at least one sensor, providing a sensor signal; at least one actuator, responsive to an actuator signal; and a control unit for generating the actuator signal for the at least one actuator in dependence on the sensor signal of the at least one sensor. The control unit includes a signal processing module configured to generate the actuator signal based on at least one sensor signal with involvement of a probabilistic network. | 12-01-2011 |
20110273504 | SWATH PRINTER AND METHOD FOR APPLYING AN INK IMAGE TO A RECEIVING MEDIUM USING A SWATH PRINTER - A swath printer includes a print head that is moveable along a scan direction for applying an ink image to a receiving medium. A transport mechanism is configured to move the receiving medium and the print head with respect to each other in a transport direction that is substantially orthogonal to the scan direction. A first sensor is arranged to detect a position of a first reference pattern present on the receiving medium in a first area thereof, and a second sensor is arranged to detect a position of a second reference pattern present on the receiving medium in a second area thereof. A controller is provided to control the printer on the basis of the detected positions of the reference patterns during use of the printer. | 11-10-2011 |
20110261097 | DRIVER CIRCUIT FOR DRIVING A PRINT HEAD OF AN INKJET PRINTER - An inkjet printing apparatus includes a print head having an ink duct, a piezoelectric element operatively coupled to the ink duct, and a control device for controlling an ink drop ejection from the ink duct by actuation of the piezoelectric element. The control device includes a current source, a number of power supplies, and a switch, connected between the current source and the number of power supplies. The current source is configured to generate a current for actuating the piezoelectric element by charging and discharging. The switch is configured to connect the current source and one of the number of power supplies. The one of the number of power supplies is selected such that a lowest voltage difference over the current source exists. | 10-27-2011 |
20110254908 | RECORDING SHEET FOR INK-JET PRINTING - A recording sheet for ink-jet printing includes a supporting substrate, at least one microporous ink-receptive coating overlying a front surface of said supporting substrate and at least one protective overcoating overlying said microporous coating. The protective overcoating includes at least one compound selected from the group consisting of polysaccharides and polyacrylamides, and fluoropolymer particles. The diameter of the fluoropolymer particles is between about 0.5 and 3 micrometers. | 10-20-2011 |
20110238873 | DOCUMENT FINISHING DEVICE, AND METHOD FOR CONFIGURING SUCH A DEVICE - A method for configuring a document finishing device, such as a folding, binding or stapling machine, includes the steps of storing data referring to the selected command on a portable data storage device, connecting the portable data storage device to the document finishing device and reading the data from the data storage device into the document finishing device and configuring a functionality of at least one key of the document finishing device, based on data read from the data storage device. A document finishing device and a portable data storage device for carrying out the method are also provided. | 09-29-2011 |
20110236050 | METHOD FOR OPERATING AN IMAGE-FORMING DEVICE AND AN IMAGE FORMING DEVICE FOR APPLICATION OF THE METHOD - The present invention relates to a method for selectively removing magnetically attractable toner particles from an image-forming device, the image-forming device comprising a cleaning magnet system, configured to provide an activatable second magnetic field, the method comprising a step of switching the image-forming device into a cleaning mode, the cleaning mode comprising the steps of stopping the toner supply to the image-recording medium, rotating the rotatable sleeve in a second direction, opposite to the first direction, such that the magnetically attractable toner particles are transported out of the developing zone towards the cleaning magnet system, and activating the second magnetic field so as to remove the transported magnetically attractable toner particles from the rotating sleeve of the developing element. The invention also relates to an image-forming device for performing the method. | 09-29-2011 |
20110234666 | METHOD FOR ALIGNING A PLURALITY OF ELEMENTS AND A DEVICE COMPRISING A PLURALITY OF ELEMENTS - The invention relates to a method for aligning a plurality of elements with each other, each element having a position and a positioning range, the method comprising the steps of determining the position of each element, determining the positioning range of each element, determining a common positioning range of the plurality of elements, based on the positioning ranges determined in the previous step, the common positioning range being comprised in each positioning range, establishing a reference position lying within the common positioning range and aligning the plurality of elements with the reference position. The invention also comprises a device suitable to apply the method according to the invention. | 09-29-2011 |
20110233239 | DEVICE FOR EJECTING DROPLETS OF A FLUID HAVING A HIGH TEMPERATURE - In a jetting device for ejecting droplets of a relatively hot fluid, a fluid chamber body is made of a heat resistant material and an inner surface of the fluid chamber body, the inner surface defining a fluid chamber of the jetting device, is wettable by the fluid. This configuration provides that no additional force needs to be applied for forcing the fluid into an orifice, i.e. a narrow tube leading towards a nozzle. | 09-29-2011 |
20110132872 | METHOD OF FORMING A NOZZLE AND AN INK CHAMBER OF AN INK JET DEVICE BY ETCHING A SINGLE-CRYSTAL SUBSTRATE - A method of forming a nozzle and an ink chamber of an ink jet device, includes forming a nozzle passage by subjecting a substrate to a directional first etch process from one side of the substrate; applying a second etch process from the same side of the substrate for widening an internal part of the nozzle passage, to form a cavity forming at least a portion of the ink chamber adjacent to the nozzle; and controlling the shape of the cavity by providing, on the opposite side of the substrate, an etch accelerating layer buried under an etch stop layer and by allowing the second etch process to proceed into the etch accelerating layer. The following steps precede the first etch process: forming an annular trench in the substrate on the side of the substrate where the nozzle is to be formed; and passivating the walls of the trench so as to become resistant against the second etch process. The material surrounded by the trench is removed in the first etch process. | 06-09-2011 |
20110123214 | PRINT SYSTEM FOR MONITORING PRINT JOBS - A print system includes a print engine for printing on sheets of receiving material. A user interface unit includes a display. A plurality of holders each hold one type of receiving material and deliver the material to the print engine. A receiver receives jobs, a job being an order for printing information on sheets of receiving material of a type as specified in the order. A control system plans jobs, wherein the jobs are placed in a print queue in a sequence of finishing, the control system also being provided with a device configured to establish the types of receiving material required for printing the respective jobs in the print queue. The control system is adapted to establish, for a type of receiving material, a shortage quantity, if any, of that receiving material, for completely printing the jobs, and to indicate the shortage quantity on the display of the user interface. | 05-26-2011 |
20110090523 | PRINTER WITH SHOOT OUT FUNCTION - A printing system is adapted to carry out a print job on the basis of print job data supplied to the printing system and to discharge resulting printed pages at a first job output. The printing system includes a shoot out device configured to print out a selection of duplicates from the resulting printed pages and for discharging the duplicates as shoot outs at a second output. The shoot out device is programmable by a user in order to establish a mode of operation of the shoot out device by programming the selection of duplicates to be discharged at the second output. The printing system is adapted to print a banner page for the duplicates and to discharge the banner page at the second output. | 04-21-2011 |
20110069105 | ADJUSTMENT OF A PRINT ARRAY AND A SUBSTRATE IN A PRINTING DEVICE - A method for adjusting a recording substrate and at least one array relative to each other, the array being part of a printing device having a carrying structure for mounting the array. The array has nozzles arranged in a row substantially parallel to a direction for forming second test marks on a recording substrate, the substrate being pre-printed with first test marks. The array and the recording substrate are in an attainable relative position. The method comprises forming a test pattern having the first and second test marks and detecting the locations of the first and second test marks; determining a plurality of deviation factors for a plurality of attainable relative positions based on said detected locations, wherein each one of said deviation factors is an attribute of a distinct attainable relative position and is indicative of an amount by which distances between neighboring first and second marks deviate from a nominal distance; and selecting an attainable relative position among the plurality of attainable relative positions which satisfies a selection criterion applied to the plurality of deviation factors. | 03-24-2011 |
20100302562 | METHOD, APPARATUS AND COMPUTER PROGRAM FOR ADAPTIVE COMPENSATION OF A MTF - A method and system for adaptively compensating for the printer MTF. The MTF compensation applied locally depends on the local mean: Several compensated High-pass images are computed for different mean values. Then locally, depending on the value of the low-pass band, one compensation high-pass value is selected for the final result. | 12-02-2010 |
20100272353 | METHOD, APPARATUS AND COMPUTER PROGRAM FOR ADAPTIVE BLACK POINT COMPENSATION - A system and method for carrying out improved spatial and color adaptive gamut mapping algorithms, based on image decomposition in two bands I | 10-28-2010 |
20100253954 | METHOD, APPARATUS AND COMPUTER PROGRAM FOR TRANSFORMING DIGITAL COLOUR IMAGES - A general framework for adaptive gamut mapping is presented in which the image is first decomposed in two bands, one containing the local means, the other the local variations. Two spatial and color adaptive gamut mapping algorithms are introduced. Based on spatial color bilateral filtering, they take into account the color properties of the neighborhood of each pixel. Their goal is to preserve both the color values of the pixels and their relations between neighbors. | 10-07-2010 |
20100211878 | SELF INSTALLING NETWORK COMPUTER-PERIPHERAL DEVICE - A method for configuring a network computer-peripheral device, and a network computer-peripheral device, such as a printer or scanner, includes a configuration tool for programming network settings into the device. The device includes a network scanning unit configured to scan a computer network to retrieve at least one network setting. The configuration tool is adapted to program the retrieved at least one network setting into the device, and the device itself is configured to execute the configuration tool. | 08-19-2010 |
20100201057 | PRINTING SYSTEM AND FOLDING MODULE - A printing system includes a media storage module, a printing station for processing a portion of the receiving media, a receiving station for receiving the processed media, and a base member for supporting the printing system on a support surface. A receiving device is configured to receive a folding module for folding the processed receiving media. The receiving device is positioned substantially in a volume extending from the area defined by the cumulative normal projection of the media storage module and the printing station on the support surface, the volume extending perpendicular to the support surface in the direction of the printing station. A guiding device is configured to guide the processed media to one of the receiving station and the folding module. A method of modifying the printing system includes removing a media storage module to create a vacancy and inserting a folding module into the vacancy. | 08-12-2010 |
20100091343 | IMAGING SYSTEM - An imaging station for processing a media includes a media output for outputting a processed media, a first media delivery station having a first media entrance, a second media delivery station having a second media entrance, and a passive urging device. The second media entrance has a width smaller than a width of the first media entrance. The second media entrance is positioned downstream from the media output and upstream from the first media entrance. The passive urging device is positioned downstream from the media output such that the media is urged towards the second media entrance. | 04-15-2010 |
20090323115 | SCAN-TO-EMAIL WITH EXPORT LIMITATIONS - A scan-to-email function in a networked scanner device checks a destination email address entered by the user at the local user interface of the scanner against pre-programmed criteria for allowed email addresses. If the destination email address does not fulfil the criteria, the scan-to-email process is automatically stopped. | 12-31-2009 |
20090251748 | COLOR MANAGEMENT METHOD, MODULE, AND PROGRAM PRODUCT, AND PRINTER USING SAID METHOD - A color management method, wherein a Graphics Processing Unit (GPU) is used for converting colors from a source device color space to an output device color space in accordance with predetermined color profiles of the source and output devices. The method includes the steps of storing, in the GPU, an at least three-dimensional conversion texture that specifies a color conversion table; loading input color data into the GPU; sampling the conversion texture at a position specified by the input color data, thereby to identify output color data; and outputting the output color data. | 10-08-2009 |
20090246403 | Radiation curable ink jet ink and a method for printing a substrate with this ink - A radiation curable hot melt inkjet ink and associated printing method which includes a carrier composition that contains one or more radiation curable compounds and an agent that is able to reversibly gel the carrier composition, which agent is soluble in the carrier composition at a jetting temperature of the ink and creates the gelled carrier at a temperature below the jetting temperature, wherein the gelled carrier composition is a thixotropic composition which has a recovery time of more than 60 seconds after the gel has been mechanically disturbed to lower it's viscosity. | 10-01-2009 |
20090237453 | ORIFICE PLATE FOR AN INK-JET PRINT-HEAD AND A METHOD FOR MANUFACTURING THE ORIFICE PLATE - An orifice plate for an ink jet print-head for ejecting drops of an ink, wherein the orifice plate includes an outer surface, which has a wettability with the ink, and at least one orifice arranged in the outer surface, said orifice being configured for ejecting ink drops, each orifice having an edge, the edge defining a transition boundary between the orifice and the outer surface, wherein the wettability of the outer surface is poor near the edge of the at least one orifice and the wettability increases with increasing distance from the edge of the orifice, the increasing wettability with the increasing distance from the edge of the orifice providing a driving force for moving residual ink drops away from the edge towards a wettable region, thereby reducing the risk of disturbing the trajectories of subsequent ejected ink drops. | 09-24-2009 |
20090165670 | HOT MELT INK - An ink composition which is solid at room temperature and liquid at a higher temperature, containing a substantially non-aqueous carrier composition and at least one dye, formed by at least one salt of the anthrapyridone series. | 07-02-2009 |
20090141307 | DOCUMENT SCANNING SYSTEM - A document scanning system includes a scan apparatus adapted to scan a document and to create and store electronic raw data representing the scanned document. An input system permits a user to input settings for the scanned document. A start mechanism causes the scan apparatus to start a scan process. A a processing unit is adapted to process the raw data and to create a formatted document file representing the scanned document. The input system is adapted to permit the user to input format settings for a document after the start mechanism has started the scan process for that document, and the processing unit is adapted to process the raw data in accordance with the format settings. | 06-04-2009 |
20090141301 | PRINTING DEVICE - A printing device for printing on an image-receiving sheet includes an output unit for outputting printed image-receiving sheets to a finishing device. An interface is configured to connect to the finishing device. The interface is arranged for receiving an error signal from the finishing device. A communication unit outputs an error message to a user of the printing device. A control unit controls, when an error signal is received from the finishing device via the interface, a finisher error recovery procedure, wherein an error message is output to the user of the printing device by the communication unit. The error message contains the information that a number N of image-receiving sheets shall be removed from the finishing device, and the number N of the last printed image-receiving sheets are printed again. The number N is pre-configured in the control unit independently of the error signal received from the finishing device. | 06-04-2009 |
20090140034 | METHOD FOR PACKAGING ROLL OF PAPER AND THE PACKAGING BOX TO BE APPLIED THEREWITH - A method for packaging a roll of paper using a sheet of packaging material, whereby in the sheet of packaging material are applied a number of creases or folding lines running parallel to one another and bordering neighboring sheet parts. The sheet of packaging material is folded around the creases or folding lines in order to form a polygonal packaging box for the paper roll. The packaging box is formed by the sheet parts enclosing an angle with one another. Partitions are fitted inside the packaging box near the ends of the packaging box. A packaging box made by the method and sheets of packaging material to be used for making the packaging box and the enclosing member are also described. | 06-04-2009 |
20090136271 | Printing system - A printing system includes two image-forming units, each containing an image medium on which a powder image may be formed and an intermediate medium contactable with the image medium for transferring the powder image. Both intermediate media together form a nip for substantially simultaneously printing the powder images on two separate sides of a receiving medium. A toner is used for the formation of the powder images. The toner has a flowability, measured using an API flowability tester, of 6 or higher. A method is also provided for selecting the toner that is suitable for the printing system. | 05-28-2009 |
20090129691 | Lossless Compression of Color Image Data Using Entropy Encoding - A method compresses a digital continuous tone image of pixels situated on scan lines. The method includes the steps of, for a current pixel to be encoded, said current pixel having an actual pixel value, predicting a predicted pixel value based on pixel values of at least one previously processed pixel from the same image, using a fixed rule, determining a difference parameter based on a difference value of said predicted pixel value and the actual pixel value of said current pixel to be encoded, and inspecting the difference parameter for existence of an uninterrupted series of highest order bits having a value equal to zero, removing at least part of said highest order zero bits, and, if a number of bits within predetermined limits remains, generating a compression code having a predetermined fixed length, said code indicating the number of remaining bits. | 05-21-2009 |
20090116866 | Heat exchange unit for a printing system - A heat exchange unit and a printing system containing the heat exchange unit, including a heat exchange region, a first print media transport path configured for transporting in operation a first print medium from a supply through the heat exchange, the heat exchange unit further containing a stationary heat exchange member, having a first side facing said first print media transport path and a second opposite side facing said second print media transport path, wherein, in operation, the second print medium is at an elevated temperature with respect to the first print medium and wherein, the first and second print medium have a heat exchange contact in the heat exchange region. | 05-07-2009 |
20090103966 | MEDIA ROLL POSITIONING ASSEMBLY AND METHOD FOR POSITIONING A MEDIA ROLL - A media roll positioning assembly for positioning a roll of media includes a guiding device, a retainer and a media roll supporting device. The media roll supporting device includes an elongated element for supporting the roll of media and a support configured to support the media roll supporting device on the guiding device. The guiding device is configured to movably support the support to guide the support in a main displacement direction from an input position to a reference position, the reference position being defined by a reference element. The retainer is configured to retain the support in the reference position, the support being removable from the reference position by application of a force on the media roll supporting device, the force exceeding a predetermined threshold force. | 04-23-2009 |
20090102899 | Ink supply assembly for an ink jet printing device - An ink supply assembly includes at least one inlet port. At least one outlet port is connected to the inlet port via an ink cavity and is adapted to be connected to an ink discharge unit of an ink jet device. The ink supply assembly has a sandwich structure formed by at least two plate members and a foil that is interposed therebetween and has a part forming a wall of said ink cavity. At least one of the plate members defines a pressure equalization chamber adjacent to the ink cavity and separated therefrom by the foil. | 04-23-2009 |
20090101686 | WEB PROCESSING APPARATUS - A web tensioning assembly is configured to exert a tension on a web in a process direction and to balance the tension across a width of the web extending substantially in a direction perpendicular to the process direction. A web processing apparatus includes such a web tensioning assembly. | 04-23-2009 |
20090085983 | Inkjet printer - An inkjet printer includes a substantially closed ink duct in which ink is situated. The duct is operationally connected to a piezo-element,. The piezo-element is actuated with a number of actuation signals with appropriate waveforms, generated by a first and second signal generator in order to eject ink drops from the duct nozzle. A pressure wave is generated in the duct by an actuation pulse. The pressure wave causes a deformation of a piezo-element, which generates an electric signal as a result. The waveforms of the first and second signal may be different and do not have to be directly subsequent in time. | 04-02-2009 |
20090084661 | Apparatus and method for steering a belt - An apparatus for steering a belt includes a steering roller supporting the belt, a rotatable element and a transmission. The steering roller is rotatable about a first axis and pivotable about a second axis, the second axis being substantial perpendicular to the first axis. The rotatable element is rotatable about a third axis, the third axis being parallel to the first axis. The transmission is arranged for converting a rotational motion of the rotatable element about the third axis into a pivoting motion of the steering roller about the second axis. The rotatable element is rotatable by a frictional force between a side portion of the belt and the rotatable element. A method for steering a belt in a steering mechanism includes such an apparatus. | 04-02-2009 |
20090079772 | METHOD FOR OBTAINING AN IMAGE WITH AN INK JET PRINTER AND A PRINTER SUITABLE FOR PERFORMING THAT METHOD - A method obtains an image from multiple ink droplets transferred to a receiving substrate using an ink jet printer including a plurality of ink chambers operatively filled with ink. Each ink chamber has a nozzle and a corresponding transducer. The ink chambers have mutually distinguishable acoustics. The method includes, for the respective ink chambers, generating an electrical pulse, applying the pulse to the transducer corresponding to a respective ink chamber in order to generate a pressure wave in the ink, such that a droplet of the ink is jetted out of the nozzle having a size corresponding to the pressure wave, and adjusting the pulse to the acoustics of the respective ink chamber such that the size of the droplet which is jetted is essentially the same for each ink chamber. A printer is configured for application of the method. | 03-26-2009 |
20090073206 | METHOD FOR OBTAINING AN IMAGE WITH AN INK JET PRINTER AND A PRINTER SUITABLE FOR PERFORMING THAT METHOD - A method obtains an image from multiple ink droplets transferred to a receiving substrate using an ink jet printer including a plurality of ink chambers operatively filled with ink. Each ink chamber has a nozzle and a corresponding transducer. The ink chambers have mutually distinguishable acoustics. The method includes, for the respective ink chambers, generating an electrical pulse, applying the pulse to the transducer corresponding to a respective ink chamber in order to generate a pressure wave in the ink, such that a droplet of the ink is jetted out of the nozzle at a speed corresponding to the pressure wave, and adjusting the pulse to the acoustics of the respective ink chamber such that the speed at which the droplet is jetted is essentially the same for each ink chamber. A printer is configured for application of the method. | 03-19-2009 |
20080304850 | Variable speed printing device with mains overload prevention - An image reproduction device includes a print processing system and a print sheet conveying system that conveys sheets with a continuously variable and dynamically adjustable processing speed. The device lowers the processing speed when the mains connection cannot deliver sufficient power to run at a nominal processing speed and is provided with a current monitor unit for monitoring total electrical current drawn by the device from the mains connection and a control unit connected to the current monitor unit and arranged for dynamically adjusting the processing speed to a lower value when the total electrical current is above a preset maximum value. The control unit regulates the lower processing speed value to make sure that the total electrical current drawn by the device from the mains connection is kept substantially equal to the preset maximum current value until the mains power is again sufficient for running at nominal processing speed. | 12-11-2008 |