| Patent Number |
Title Of Patent |
Date Issued |
| RE38957 |
Document verification and tracking system for printed material |
January 31, 2006 |
| In a multifunctional printing method and printing system, printed material is checked, verified and tracked. For that purpose different test equipments are located in-line with a printing line. Magnetic information being printed by a printing station onto the recording carrier using |
| RE37644 |
Multi-functional electrographic printer device |
April 9, 2002 |
| An electrographic printer device for printing tape-shaped recording media (10) in duplex and simplex printing contains two transfer printing stations (15/1,15/2) that can be pivoted against and away from the photoconductive drum (11). The first transfer printing station (15/1) serves |
| RE37511 |
Printer device for printing web-shaped recording media having different web widths |
January 15, 2002 |
| An electrographic printer device is designed for printing web-shaped recording media (10) having different web widths in different operating modes, such as single-colored and multi-colored simplex printing, single-colored and multi-colored duplex printing and for simultaneously print |
| D598792 |
Line gauge |
August 25, 2009 |
|
| 7590378 |
Device and method for guiding a continuous web by means of a pivotable apparatus |
September 15, 2009 |
| In a method or device for guiding an endless web, the endless web is guided via a first positionable roll to an additional positionable roll with a predetermined angle of wrap on each roll, shafts of the rolls lying parallel to one another in a plane and being held by a frame. The we |
| 7583918 |
Electrographic printing or copying device, and method for operating one such printing or copying |
September 1, 2009 |
| In a method or device for operation of an electrographic printing or copying device, at least toner particles are accumulated on a surface of a first carrier element. After a transfer of toner particles onto a further carrier element, toner particles still remaining on the first carr |
| 7564586 |
Method, system and computer program for compressing and transmitting image raster data |
July 21, 2009 |
| A method and system for printing of gray scale images utilizes raster image data. A page is divided into tiles in a two dimensional grid. Tiles are checked for the presence of dither cells for generating gray scale values. Tiles without dither cells are compressed for transmission while |
| 7561832 |
Device and method for dosing toner material in an electrophotographic printer or copier |
July 14, 2009 |
| In a method and device to separate toner material and air from a toner material-air mixture, and first operating phase at toner material-air mixture is supplied to a filter so that air flows through the filter in a first direction. In a second operating phase, the flow of air through the |
| 7553391 |
Method and device for manufacturing an endless band of plastic for an intermediate carrier band |
June 30, 2009 |
| A method and apparatus for producing continuous belts is disclosed. The belts are formed from plastic films and are used as transfer belts in electrographic printers and copiers. The ends of the film are welded together by abutting their front faces and the ends are held together und |
| 7546070 |
Arrangement and method for inking an applicator element of an electrophotographic printer or cop |
June 9, 2009 |
| In a method or system where inking in an electrophotographic printer or copier, a magnetic roller is provided having a rotatable magnetic roller sleeve having a circumferential surface to which a two-component mixture comprising toner particles and ferro-magnetic carrier particles adhere |
| 7545523 |
Method, equipment system and computer program system for processing document data |
June 9, 2009 |
| In a method and system for processing document data in a document processing system, document data are generated on a document generation computer. Document data are transmitted from the document generation computer to a document processing computer. Processed data are forwarded to a |
| 7539425 |
Method and device for adjusting to a minimum value the toner supply to a developing station of a |
May 26, 2009 |
| In a method to adjust the toner supply to a minimum value in a developer station of an electrographic printing or copying device in which charge images are generated on an intermediate carrier, the charge images being inked with toner at the developer station, a toner concentration is |
| 7536118 |
Method for eliminating errors during operation of an electrographic printer or copier device, an |
May 19, 2009 |
| A method is provided for controlling a printer or copier device by which errors, such as paper jams, can be cleared automatically. A controller commands a module having the error to clear the error automatically. The commands are sent to modules beginning at the output of the printer or |
| 7505161 |
Method, device system and computer program system for carrying out maintenance on a printing or |
March 17, 2009 |
| In a system and method for maintenance of a printing or copying system, at least two system computers are provided comprising a central device control computer and a raster process computer. A print data network connection is provided for incoming print data or copy data to be raster |
| 7496322 |
Device and method for charging a media transport belt conveyor in a printer or copier |
February 24, 2009 |
| A device and a method are provided for recharging a belt conveyor which is used for transporting a printing medium in the transfer area of an electrophotographic printer or a copying machine. The device includes a blade-like contacting element which is adjacent to the belt conveyor and |
| 7483650 |
Method and device for detection of the speed difference between an image carrier and a carrier m |
January 27, 2009 |
| In a method and a system for generation of print images on a carrier material, an actual speed difference is generated in a transfer printing region between an image carrier and the carrier material. A deviation of the actual speed difference from a desired speed difference is determined |
| 7474426 |
Method, device system and computer program for saving and retrieving print data in a network |
January 6, 2009 |
| In a method and system for storage and retrieval of print data, print data of a print job are transferred in blocks from a data source to at least two of a plurality of print servers connected with one another via a network. Control data regarding respective print data are transmitted to |
| 7471914 |
Cleaning unit for cleaning a conveyor belt |
December 30, 2008 |
| A cleaning unit is provided for cleaning of a transport belt for transport of recording media in a electrographic printer or copying device. An abration element is positioned to avoid toner located on the transport belt. A toner capture reservoir captures abraded toner. |
| 7471907 |
Device and method for electrophoretic liquid development |
December 30, 2008 |
| In an electrographic printing device, an image generating system generates an electrical charge image on an image carrier element. The electronic charge image is made visible by a developer station via charged ink particles, the image being subsequently transferred onto a final image |
| 7469379 |
Method, computer program product and device to process a document data stream |
December 23, 2008 |
| In a method, a document output system, and a computer program for preparation of a resource-based document data stream for output on an output device, the document data stream is transferred from a first computer to a second computer. The document data stream comprises document data |
| 7469111 |
Printer or copier with a refrigerator for generation of cold |
December 23, 2008 |
| In a printer or copier at least one printing unit is provided that generates at least one toner image on at least one page of a carrier material. The printer or copier also has at least one fixing unit that fixes the toner image on the carrier material with aid of a heat generated by |
| 7466948 |
Transfer station for an electrographic printer or copier |
December 16, 2008 |
| A transfer printing station is provided with a transfer roller for transfer of a toner image generated on an intermediate carrier onto at least one recording medium in a transfer printing region of the transfer printing station. A drive unit causes the transfer roller to move towards |
| 7466935 |
Transferring and fixing system and method using a guided conveyor section and a free conveyor se |
December 16, 2008 |
| In a method and system for transfer printing of an electrostatic recharge toner image from an intermediate carrier onto a recording medium and for fixing of the transfer-printed toner image onto the recording medium, the recording medium lying on an electrostatically-chargeable conveyor |
| 7466443 |
Method of and device for and computer program for accessing data |
December 16, 2008 |
| A method and a device for accessing data wherein the data is sequentially stored as data objects. The data objects are identified by a control variable having consecutive integer values. The control variable and the memory address is determined of a first known data object and an estimat |
| 7463851 |
Device and method for electrophoretic liquid development |
December 9, 2008 |
| In a method or device for transport of liquid developer to an image carrier element for electrophoretic digital printing, a developer unit is arranged adjacent to the image carrier element, the developer unit directing a liquid developer having toner particles to the image carrier el |
| 7460258 |
Method, computer system and computer program product for transmitting a print job from a host co |
December 2, 2008 |
| In a method, computer system and computer program product for transmitting a print job from a host computer to a print server, variable data, particularly in the format Advanced Format Presentation (AFP) of the print job, are stored in the host computer in a main datafile and resourc |
| 7458568 |
Method for compensating a gear backlash and apparatus for carrying out said method |
December 2, 2008 |
| An electrographic printer using a print web medium is provided with a web adjusting apparatus having a geared motor for adjusting the web position. A method and apparatus to compensate for backlash in the geared motor includes a sensor to detect an end position of rotation of the geared |
| 7454162 |
Multifunction device for post-processing of a printing substrate web printed by an electrographi |
November 18, 2008 |
| Changes of properties (for example, dampness, sliding characteristic, gloss) of a printing substrate web caused by a printing of a printing substrate web are corrected by a multifunction device that is arranged at an output of the printing device. In the multifunction device, arranged |
| 7437106 |
Device and method for the replacement of expired developer |
October 14, 2008 |
| In order to replace out-of-date flowing medium in a system, where the medium has a component which ages, out-of-date flowing medium is removed and a quantity of fresh flowing medium or a fresh component are added while maintaining a given level of the flowing medium. |
| 7433613 |
Method and device for setting the toner concentration in the developer station of an electrophot |
October 7, 2008 |
| In a method and system for setting toner concentration of a toner particle-carrier particle mixture in a developer station for development of a latent charge image on a carrier, a sensor is arranged in the developer station measuring the toner concentration. Toner feed in the develop |
| 7423881 |
Arrangement and method for cooling a power semiconductor |
September 9, 2008 |
| In an arrangement and a method for cooling a power semiconductor in which at least one power semiconductor is electrically and thermally conductively connected to at least one passive electric component. Further, a cooling element is thermally conductively connected to at least a par |
| 7421242 |
Device for post-processing of a print substrate web printed by an electrographic printing or cop |
September 2, 2008 |
| A device for post-processing of printed print substrate webs comprises a smoothing device that is arranged immediately after the fixing device. The toner (still hot and doughy in terms of its consistency) is compressed with a predetermined pressure over a width of the print substrate |
| 7421232 |
Device and method for inking of a charge image with toner material in a printer or copier |
September 2, 2008 |
| In a device and method for inking of a charge image with toner material in a printer or copier, the charge image corresponding to a print image to be generated is generated on a surface of a photoconductor element comprising a photoconductive layer. At least one layer made up of toner |
| 7403730 |
Control panel for a printer or copier system with front and/or rear processing units and integra |
July 22, 2008 |
| A printer or copier system with at least one of a pre-processing unit and a post-processing unit, comprises a printing unit that generates a print image on a carrier material. An operating unit is connected via a data line with the printing unit. The operating unit outputs at least one |
| 7403304 |
Method for optimised colour reproduction of a coloured original image |
July 22, 2008 |
| A method is provided for optimized color reproduction of a color original image by a color reproduction device. Color values of a color space of the original image are determined. A color space of the color reproduction device is determined. The color spaces of the original image and |
| 7386263 |
Device and method for electrically charging a transport belt using a contact lip made of a rubbe |
June 10, 2008 |
| A device for electrically charging a transport belt for transport of recording media in a transfer printing area of an electrographic printer or copier as well as a method for charging. In a direction transverse to a running direction of the transport belt, a contact element is arranged |
| 7376383 |
Device for regulation of the sliding properties of a print substrate in an electrophotographic p |
May 20, 2008 |
| In an electrophotographic printer or copier, toner images of images to be printed onto a printing substrate are generated and fixed, causing sliding characteristics to be worsened. In order to remedy this problem, a moistening device is provided that applies on the printing substrate a |
| 7376365 |
Method and device for preventing unwanted transfer of toner with a cleaning station and a cleani |
May 20, 2008 |
| In a method and system for operation of a transfer printing station of an electrographic printing device, a transfer printing station is provided comprising a light-sensitive medium onto which toner images are provided by electrostatic forces affected via a toner image electrical potenti |
| 7372586 |
Method, software product, and computer to generate and interpret an IPDS data stream |
May 13, 2008 |
| In a method for generating an IPDS data stream, different levels are defined with level numbers, whereby in each level a group of print data is combined on which the same operation is implemented. The operations are defined by operation numbers. A linkage exists between the level num |
| 7370124 |
Method and device for transmitting messages over a data network |
May 6, 2008 |
| In a method and system for transmitting messages over a data network, the communication task is used which is implemented on a transmitting microcontroller which determines, on the basis of a routing table, which communication system is used to forward the message to which adjacent m |
| 7347378 |
Method, device systems and computer programs for producing and tracing printed documents with a |
March 25, 2008 |
| In a method and system for production of a printed document with a unique identifier, the data medium for the unique identifier is applied on a recording medium, the data medium being capable of being electronically written without contact so that data are written without contact onto th |
| 7340203 |
Method and device for cleaning support elements in printers or copiers by means of magnetic fiel |
March 4, 2008 |
| The invention relates to a method and devices for cleaning the surfaces of applicator rollers, photoconductor drums, transfer belts, and photoconductor belts using magnetic roller systems. The invention also relates to methods and systems for cleaning magnetic rollers to whose surfac |
| 7333756 |
Method and device for the transport of toner material from a reservoir |
February 19, 2008 |
| In a method and system for transport of toner material, a reservoir arrangement containing the toner material is provided with a removal opening for removal of the toner material. The toner material is transported away from the removal opening with aid of a tube-shaped conduit, the t |
| 7333246 |
Method and system for imposing print data |
February 19, 2008 |
| A method, system and computer program provides for making an image area correction in a printing system. Print data is provided in a logical page order corresponding to at least one signature for printing. At least one parameter of a recording medium on which the print data are printed i |
| 7333236 |
Method for the mapping of colour values of a colour image in the colour values of a highlight-co |
February 19, 2008 |
| The invention relates to a mapping method, whereby color values of the color image to be mapped, represented in the RGB color space are mapped in the highlight-color color space, corresponding to a projection of the color values in highlight-color. The corresponding calculations are |
| 7330676 |
Graphical user surface and method for indicating a malfunction state of an electrophotographic p |
February 12, 2008 |
| In a method or system for display of a malfunction state of a printing or copying system, a display field is substantially shown in a first color in an undisturbed first operating state. The display field is substantially shown in a second color in a potentially disturbed second oper |
| 7318878 |
Method and device for producing continuous belts from plastic films |
January 15, 2008 |
| A method and apparatus for producing continuous belts is disclosed. The belts are formed from plastic films and are used as transfer belts in electrographic printers and copiers. The ends of the film are welded together by abutting their front faces and the ends are held together und |
| 7284486 |
Device and method for controlling the position of the lateral edge of a continuous web |
October 23, 2007 |
| A device and a method for controlling a position of a lateral edge of a continuous web of a recording medium in a printer or copier provides that sensors are provided. Signals of the sensors are supplied to a control device which includes an actuator. The actuator changes the position of |
| 7280780 |
Control panel for an electrophotographic printer or copier system with front and/or rear process |
October 9, 2007 |
| A printer or copier system with at least one of a pre-processing unit and a post-processing unit, comprises a printing unit that generates a print image on a carrier material. An operating unit is connected via a data line with the printing unit. The operating unit outputs at least one |
| 7274901 |
Method and arrangement for generating positionally accurate print images on a carrier material |
September 25, 2007 |
| The invention relates to a method and an arrangement for generating positionally-accurate print images on a carrier material with the aid of an electrophotographic printer or copier. A positioning error of the position of the carrier material with respect to a toner image present on |
