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| Number | Title | Issue Date |
| 7898559 | Image forming apparatus An image forming apparatus includes an optical scanning unit having a light transmitting portion, the cleaning mechanism that includes a cleaning rod with a pad at a front end portion thereof to be capable of cleaning a surface of the light transmitting portion by s... | 03/01/2011 |
| 7728858 | Image forming apparatus and image forming method An image forming apparatus uses toner that is given color-generation information and a color-generation state or a non-color-generation state of the toner is controlled, and includes an image carrier, a unit that forms toner image on the image carrier, an intermedia... | 06/01/2010 |
| 7180532 | Dry ink concentration monitor interface with automated temperature compensation algorithm A system, method, and apparatus for adjusting dry ink concentration in a developing station (30) of a printer is disclosed. The adjustment is performed by calculating the thermal drift of a dry ink monitor (40) and applying the result as a compensating... | 02/20/2007 |
| 7110014 | Image forming apparatus An image forming apparatus includes a plurality of removable developing units each of which has an image carrier whose width is narrower than a width of a printable area of the printing paper, and a driving unit for driving the plurality of the removable developing ... | 09/19/2006 |
| 7099779 | Information processing apparatus, monitoring method and program, and memory medium In a network print environment in which printers of various residual amount outputting methods exist mixedly, in an information processing apparatus for monitoring a supplement of consumables which are used in the printer which can communicate via a communication li... | 08/29/2006 |
| 6981214 | Virtual editor and related methods for dynamically generating personalized publications A document delivery system comprising a data store to receive a plurality of content objects and a virtual editor to dynamically generate a personalized publication for a requesting user. The virtual editor selectively retrieves one or more of the received content o... | 12/27/2005 |
| 6946230 | Electrostatic image developing processes and compositions Compositions and methods for electrographic image development, wherein the image development process employs a two-component developer that includes toner particles having a radius RT and magnetic carrier particles having a radius RC, wherein R... | 09/20/2005 |
| 6903837 | Method and device for predicting the quantity of printing product available in a printer and necessary for printing a document In predicting a quantity of a printing product necessary for printing a document, the document is stored in its entirety as digital data. Each page of the document is divided into bands of the digital data. From the digital data, a table of limited capacity is creat... | 06/07/2005 |
| 6760051 | Image forming apparatus with switching elements An image forming apparatus is provided, with which it is possible to reduce the overall size of an apparatus. The image forming apparatus includes an image bearing member including a plurality of switching elements that are arranged in a moving direction and a gener... | 07/06/2004 |
| 6493009 | Image forming apparatus An image forming apparatus, applicable to copying machines, facsimile apparatuses and printers, controls pixel positions with high precision. An image of color material is formed on the surface of an image holding drum. The surface of the image holding dr... | 12/10/2002 |
| 6473107 | Image forming apparatus In an image forming apparatus comprising a latent image carrier and a writing means having a plurality of writing electrodes which are aligned in the axial direction of the latent image carrier and arranged in contact with or proximity to the latent image... | 10/29/2002 |
| 6400385 | Microchannel print head for electrographic printer Electrographic printing apparatus for forming a toner image on a recording medium includes: a magnetic brush having a rotatable magnetic core and a stationary outer cylindrical shell; a developer supply for supplying a magnetic developer powder to the mag... | 06/04/2002 |
| 6184911 | Apparatus and method for recording using an electrographic writer and an imaging web An electrographic recording apparatus method includes a primary image forming member (PIFM) such as a web or drum that moves in a process direction. An electrographic writehead has a row of spaced electrodes arranged with the row being transverse of the p... | 02/06/2001 |
| 6172697 | Method and apparatus for detecting the level of toner using a photosensor A method for detecting the status of the toner in a laser printer uses a photosensor. The method includes sampling a signal generated from the photosensor during a specified time, increasing or decreasing the value of a counter in accordance with an integ... | 01/09/2001 |
| 6118466 | Method and apparatus for controlling concentration of developer in developing reservoir of wet printer A method for controlling concentration of a developer in a developing reservoir of a wet printer includes the steps of counting image data output from a system controller to a laser scanning unit to form an electrostatic latent image on a photosensitive m... | 09/12/2000 |
| 6069641 | Ion flow recording apparatus and liquid developing method An ion flow recording apparatus performs recording making density modulation every pixel. When developing on a fine grain toner is to be performed using a liquid developer for an electrostatic latent image, a developing unit (developing roller) is dispose... | 05/30/2000 |
| 5986681 | Toner conservation by PEL modulation with operator control Toner is conserved in printer (1) under operator control by changing the final modulation for each bit in a bit map depending on whether the bit is an edge bit or an internal bit in the character being printed. Since only the final modulation is affected,... | 11/16/1999 |
| 5956065 | Printer for large format printing A printer, with printing width (PW) of at least 30 cm printing a toner image on a large substrate, having a width (WS) and a length (LS), including a latent image bearing member having a width (WLI) equal to or larger than the printing width and at least ... | 09/21/1999 |
| 5956064 | Device for enhancing transport of proper polarity toner in direct electrostatic printing A direct electrostatic printing device for printing an image onto an image receiving substrate includes a toner carrier having a plurality of charged toner particles thereon. A toner delivery unit conveys the charged toner particles to the toner carrier. ... | 09/21/1999 |
| 5943082 | Image recording apparatus using optical beam for applying a transfer bias of a polarity so as not to repel adhesive toner In a laser beam printer, automatic optical quantity (APC) control is performed based on an optical quantity detection output to generate a laser beam having a predetermined quantity of light. In each scanning cycle, APC is effected by utilizing a period (... | 08/24/1999 |
| 5914741 | Method of creating multiple electrostatic latent images on a pyroelectric imaging member for single transfer of a developed multiple layer image A method and apparatus for reproducing color images using a non-interactive pyroelectric imaging process is disclosed. More specifically, the present invention is used to generate multiple layers of toner on the top surface of a pyroelectric imaging membe... | 06/22/1999 |
| 5850587 | Electrostatic toner conditioning and controlling means II A system for delivering electrostatic toner to an image receiving member includes a traveling electrostatic wave toner conveyor with a delivery segment adjacent to the image receiving member. The delivery segment includes parallel traveling wave conveyor ... | 12/15/1998 |
| 5793401 | Developer device and contra-photography instrument An electro-photograph device having two counter-rotating rolls (2, 5). Roll (2) transports a toner layer, controlled by a blade (4), to a printing zone (6). A voltage is applied between rolls (2, 5), in order to transfer low-adhesion toner from roll (2) t... | 08/11/1998 |
| 5777576 | Apparatus and methods for non impact imaging and digital printing The present disclosure presents an apparatus for pattern generation on a dielectric substrate comprising an imaging drum including a dielectric pattern receiving and retaining substrate, a plurality of electrodes underlying the pattern receiving and retai... | 07/07/1998 |
| 5774158 | Device for direct electrostatic printing (DEP) comprising rows of smaller and larger sized apparatus A device for use in the technique of direct electrostatic printing (DEP) on an intermediate or final substrate is described, comprising: a receiving member support 5 a printhead structure 6 having control electrodes 6a on its back side, in combination with ape... | 06/30/1998 |
| 5760812 | Two-input, two-output fuzzy logic print quality controller for an electrophotographic printer A control system for optimizing print quality in an electrophotographic printer uses a fuzzy-logic technique with only solid-area and half-tone density as control inputs, and only scorotron voltage and ROS laser power as outputs. The measured errors in so... | 06/02/1998 |
| 5748218 | Method for forming toner images with two distinct toners An image forming method which forms a two color toner image or an image made up of two types of toners of the same color includes forming a first image with discharged area development (DAD) and a second image with charged area development (CAD). Resoluti... | 05/05/1998 |
| 5745144 | Field effect toning method A method and apparatus are provided for "field effect imaging" of moving substrates, such as webs of paper. Non-conductive, non-magnetic toner having approximately a 5-20 micron mean particle size is electrically charged to a level of at least about 8 mic... | 04/28/1998 |
| 5738009 | Method for direct electrostatic printing (DEP) Disclosed herein is a method for direct electrostatic printing with reduced banding, which comprising the steps of creating a potential difference between a back electrode and a magnetic brush assembly having a stationary mounted core and a sleeve rotatab... | 04/14/1998 |
| 5731830 | Electrophotography recording method and recording apparatus using the method An electrophotography recording method is adapted to a recording apparatus having a carriage which includes processing means for forming a latent image on an image bearing member that is rotatable about an axis parallel to a transport direction of a recor... | 03/24/1998 |
| 5714992 | Printhead structure for use in a DEP device A printhead structure (106) for use in a DEP (Direct Electrostatic Printing) device is provided, made from an insulating material comprising control electrodes in combination with printing apertures, characterized in that: (i) the printhead structure comp... | 02/03/1998 |
| 5666148 | Image forming apparatus with an electrode unit having plural electrodes An image forming apparatus has an aperture electrode member formed of a polyimide insulating sheet of preferably 25 μm thickness, control electrodes of preferably 1 μm thickness formed on the upper surface of the insulating sheet, and five apertures eac... | 09/09/1997 |
| 5635972 | Residual recording material amount detector for laser printer A residual recording material amount detector for a laser printer of the present invention is provided with a continuous dot number detecting device for counting a number of continuous video signals for modulating a laser light source, a toner consumption... | 06/03/1997 |
| 5631679 | Image forming apparatus having aperture electrode unit including insulating member with high dielectric constant An aperture electrode unit of an image forming apparatus includes an insulating sheet, control electrodes formed on the insulating sheet and apertures formed in the aperture electrode unit. The insulating sheet is formed of material having a dielectric co... | 05/20/1997 |
| 5589867 | Method and apparatus for forming an image on a recording medium An image forming method includes the steps of supplying a toner onto a surface of a toner carrier to form a toner pattern injected with static charge by controlling the toner mass and amount of the static charge using a toner supply control member dispose... | 12/31/1996 |
| 5558969 | Electro(stato)graphic method using reactive toners An electro(stato)graphic method is provided, comprising the steps of image wise applying toner particles to a final substrate and fixing the toner particles on a final non-photoconductive substrate, characterized in that (i) the toner particles comprise at lea... | 09/24/1996 |
| 5517288 | Toner ribbon development cassette Apparatus for creating powder images. An image forming member and a toner delivery system are supported opposite each other. The images are formed by the image forming member along a first direction. The toner delivery system includes a toner transport fo... | 05/14/1996 |
| 5446478 | Method and device for cleaning an electrode matrix of an electrographic printer A method and device for improving the printing performance of electrographic printers, in which a latent electrical charge pattern of electric signals is produced by an electrode matrix or the like, which temporarily produces electrical fields for attract... | 08/29/1995 |
| 5434651 | Image forming apparatus and a charging device An image forming apparatus including a latent image carrying member moving while carrying an electrostatic latent image on a surface thereof; a developer supplying member for supplying a developer to a whole electrostatic latent image on the surface of th... | 07/18/1995 |
| 5416568 | Developing unit for an image forming apparatus A developing unit incorporated in an image forming apparatus and capable of transporting a developer or a toner deposited on a developing roller in a predetermined direction without rotating the developing roller, or developer carrier. The developing roll... | 05/16/1995 |
