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OCE-TECHNOLOGIES B.V.

OCE-TECHNOLOGIES B.V. Patent applications
Patent application numberTitlePublished
20110292429METHOD 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
20110292409REPROGRAPHIC 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
20110273504SWATH 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
20110261097DRIVER 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
20110254908RECORDING 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
20110238873DOCUMENT 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
20110236050METHOD 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
20110234666METHOD 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
20110233239DEVICE 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
20110132872METHOD 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
20110123214PRINT 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
20110090523PRINTER 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
20110069105ADJUSTMENT 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
20100302562METHOD, 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
20100272353METHOD, 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 I10-28-2010
20100253954METHOD, 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
20100211878SELF 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
20100201057PRINTING 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
20100091343IMAGING 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
20090323115SCAN-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
20090251748COLOR 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
20090246403Radiation 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
20090237453ORIFICE 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
20090165670HOT 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
20090141307DOCUMENT 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
20090141301PRINTING 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
20090140034METHOD 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
20090136271Printing 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
20090129691Lossless 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
20090116866Heat 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
20090103966MEDIA 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
20090102899Ink 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
20090101686WEB 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
20090085983Inkjet 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
20090084661Apparatus 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
20090079772METHOD 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
20080304850Variable 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
20080253794Method and control unit for controlling the power supplied to a plurality of heat sources in a printer - A control unit for a printing apparatus has a plurality of heat sources, each heat source being operable at an individual power level. The control unit is configured to control the power supplied to the heat sources such that, at each instant, the sum of the delivered individual power levels is less than or equal to a maximum allowable power. The control unit is also configured to control the power delivered to the heat sources on the basis of sequential cycles and for each cycle, to receive for each heat source a requested power pulse duration, to schedule within the cycle instants at which power is to be delivered to the heat sources, based on the individual power levels and requested pulse durations and to deliver the power according to the scheduled instants within the cycle.10-16-2008
20080247008Scanner and method of scanning - A scanner and a method of scanning an image on an original includes an optical sensor having sensor elements for each of three basic colors that is used to generate pixel values of the scanned image. Each pixel value represents an optical density of a pixel of the image and is generated mainly on the basis of a signal of only one of the sensor elements. Each of the sensor elements for each of the basic colors is used to generate pixel values representing substantially different parts of the image.10-09-2008
20080226335Image transfer device and method for cleaning a part thereof - An image transfer device for a sheet-fed image reproduction system is disclosed in which an improved removal of contaminants from the surface of an image transfer member is possible by using a tacky surface cleaning member contacting the image transfer member surface. The tacky surface of the cleaning member is rejuvenated substantially without affecting the productivity of the image reproduction system by applying predetermined patterns of cleaning substance on the image transfer member surface in the non-image areas, being the part of the inter-image areas coinciding with the inter-sheet areas. Also disclosed is a method for cleaning the image transfer member surface of such image transfer device.09-18-2008
20080225358Original sheet support means in a scanner - A wide format transport scanner is provided with a drawer for holding a set of wide format original sheets to be scanned. The drawer is located immediately underneath the entry nip of the scanner. After placing a set of wide format originals on the drawer, the task of manually scanning an entire set of wide format originals one after another is facilitated to a great extent.09-18-2008
20080225338Computer-connectable portable memory device - A computer-connectable portable memory device is specifically adapted for storing digital data files for the purpose of transferring the files to other equipment and/or displaying the files. The device has program code permanently residing therein and causing the device to identify itself as a printer when connected to a multi-purpose computer.09-18-2008
20080204794Automatic job routing for wide format print distribution - A method for dispatching a job for printing an original document from an original document set to a printer. The method includes routing the job to a printer group based on the characteristics of the original document via a dispatcher. When exactly one printer group has all capabilities required by the job, the job is routed to the one printer group. When more than one printer group has all capabilities required by the job, the dispatcher routes the job to a printer group that requires the shortest estimated time to complete the job. When no printer group has all capabilities required by the job, the dispatcher notifies a user via the operating screen for manual treatment of the job.08-28-2008

Patent applications by OCE-TECHNOLOGIES B.V.