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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7911488 | Ion print head and image forming apparatus using the same An ion print head and image forming apparatus using the same includes at least one discharge cell array structure having microelectrodes to form an electrostatic latent image on an insulation layer of an electrostatic drum by selectively applying charged particles t... | 03/22/2011 |
| 7764298 | Ion generating element, with independent heating electrode, and charging device and image forming apparatus using ion generating element In an ion generating element according to the present invention, a discharge electrode and an inductive electrode are provided to face each other with a dielectric body therebetween, and a heater electrode for producing heat with Joule heat generated by electrificat... | 07/27/2010 |
| 7623144 | Apparatus for electrostatic imaging A print head includes a first electrode layer including a plurality of generator electrodes, a second electrode layer including a plurality of discharge electrodes, and an insulating layer disposed between the generator electrodes of the first electrode layer and th... | 11/24/2009 |
| 7408562 | Ion generating apparatus A head 2 has a through hole 7 into which compressed air is supplied and flows, and a discharge electrode 11 is disposed inside the through hole 7. When a voltage required for discharging is applied to the head 2 made of a conductor... | 08/05/2008 |
| 7339563 | High performance switchable polarizers for optical projection displays and circuits for driving the polarizers The invention is directed towards high performance switchable polarizers for optical projection displays. One embodiment of the invention is a switchable polarizer with (1) two conductive electrodes and (2) a liquid crystal material that is positioned between the tw... | 03/04/2008 |
| 7209154 | Method for controlling ion generation, ion generator, and image forming apparatus equipped therewith To provide an ion generator and an image forming apparatus which control selective ion generation by a voltage lower than the conventional voltage, and are inexpensive and sized as small as possible. In an ion generator which selectively generates ions, ion generati... | 04/24/2007 |
| 7147297 | Ink jet nozzle arrangement that incorporates a movement sensor An ink jet nozzle arrangement for ejecting ink includes a substrate that defines an ink inlet. Integrated circuitry is positioned on the substrate. A nozzle chamber structure is positioned on the substrate and defines a nozzle chamber in fluid communication with the... | 12/12/2006 |
| 7071958 | Color electrode array printer An electrode array printer has a housing, an image roller, and a plurality of developer modules. Each of the developer modules has an electrode array printhead, a toner cartridge and a developer roller. The electrode array printhead is installed on a side surface of... | 07/04/2006 |
| 6982734 | Printing on electrically writable media and electrically writable displays Apparatus and methods of printing on electrically writable media and electrically writable displays are described. In one aspect, a printer for printing on an electrically writable medium includes a source of an invisible charge species, and a charge species project... | 01/03/2006 |
| 6940613 | System for managing replaceable modules in a digital printing apparatus An electrophotographic printing or copying machine includes a functional module which can be readily removed and replaced by service personnel. The module includes a monitor in the form of an electronically-readable memory, which includes information about how the p... | 09/06/2005 |
| 6476835 | Coplanar thin film printhead A method and apparatus relating to a unique printhead configuration is disclosed. The printhead configuration is based on a coplanar arrangement of two sets of electrodes. The electrodes are electrically separated from each other by a dielectric layer, an... | 11/05/2002 |
| 6462764 | Printhead with redundant electrodes A printhead having a set of redundant rows of electrodes. The set of redundant rows is formed by providing additional rows of a first set of electrodes that repeats the charge-deposition pattern of another electrode in the set. The redundant electrodes ar... | 10/08/2002 |
| 6426768 | Universal printhead A method and apparatus for a universal printhead is disclosed that functions independently of the diameter of a charge receiving dielectric drum, while optimizing print quality. The printhead includes two sets of electrodes mutually separated by a dielect... | 07/30/2002 |
| 6320603 | Ina xerographic printer, equalizing wear on the photoreceptor with a supplemental exposure step A xerographic printer includes a rotatable photoreceptor which is exposed, with each cycle, by a regular exposure device to create an image desired to be printed. Elsewhere along the photoreceptor is disposed a supplemental discharge device which discharg... | 11/20/2001 |
| 6278470 | Energy efficient RF generator for driving an electron beam print cartridge to print a moving substrate An electron beam printer assembly for operating a standard electron beam print cartridge (such as an eighteen inch 600 DPI print cartridge) includes an RF generator which has a powdered iron core transformer, and a dual pulse width generator operatively c... | 08/21/2001 |
| 6160565 | Print cartridge RF return current control A shielding conductive plane, such as a copper layer, which acts as an intermediary layer between an electrically active area and a mechanical substrate of an electron beam cartridge, provides a direct electrical path to control and direct RF currents, mi... | 12/12/2000 |
| 6127775 | Ionic display with grid focusing An electronic display device includes a two-dimensional array of point charge sources, which are aligned with a plurality of apertures defined in a substrate. Associated with each aperture is a set of electrodes, including a focusing electrode, which in e... | 10/03/2000 |
| 6061074 | Ion generator for ionographic print heads An ion generator for the generation of a plasma is assembled from module subassemblies. The first subassembly includes a dielectric plate 1, on the first surface 1a of which are located a large number of first electrodes 3, and the second surface 1b of wh... | 05/09/2000 |
| 6031551 | Process for imaging a ferroelectric printing form and printing head A printing head suitable for imaging a ferroelectric printing form is sealed relative to the printing form by a spring-elastic seal. In the discharge chamber of the printing head, at a low pressure, preferably less than 10 hPa, and especially in the prese... | 02/29/2000 |
| 6002414 | Field emission print head A field emission print head capable of converging electrons and having a structure such that odd order gate lines are connected to a first gate lead electrode, even order gate lines are connected to a second gate lead electrode. When the first gate lead e... | 12/14/1999 |
| 5933177 | Erase unit for ion deposition web-fed print engine An erase unit for an ion deposition web-fed print engine includes a plenum extending the width of the electrostatic image on the image cylinder and defining an ionization chamber with the image cylinder surface. The plenum has first and second electrodes ... | 08/03/1999 |
| 5912692 | Printing device with M-tunnel write head A device for recording an image includes a recording surface and a write head positioned next to the recording surface. The write head has at least one microtunnel, with each microtunnel having an anode placed near the recording surface and a cathode loca... | 06/15/1999 |
| 5893954 | Method for producing a ceramic member having fine throughholes A method for producing a ceramic member having fine throughholes, includes the steps of: producing a first green sheet for a thin ceramic plate; forming a plurality of fine throughholes having a minimum diameter of 150 μm or less after firing in the firs... | 04/13/1999 |
| 5841457 | Ion stream splitting and pre-focusing An ionographic printer directs a sheet of ions from a source to a charge receptor to create an electrostatic latent image thereon. An ion sheet splitting rod is positioned between the ion source and the charge receptor that splits the ion sheet into two s... | 11/24/1998 |
| 5821973 | Printing device and method A print head having a plurality of voltage delivery points for recording electronic images on a dielectric recording surface is also disclosed, along with the recording member. The print head may write using alternating current sources.... | 10/13/1998 |
| 5798782 | Printing or writing device for controlled application of charge carriers to a substrate Marking device for controlled application of charge carriers to a substrate includes a charge carrier source for generating the charge carriers, a voltage source having a first pole and a second pole connected to the charge carrier source and forming ther... | 08/25/1998 |
| 5777651 | Ionographic charging apparatus and processes An apparatus for charging an ionographic member, comprising an electrically insulating substrate containing affixed thereto a plurality of electroded grooves each capable of retaining a single wettable fiber, thereby forming a collection of fibers in cont... | 07/07/1998 |
| 5760810 | Field emission print head Odd-order patch-like gate electrodes are, by gate lead lines, connected to a first electrode, even-order patch-like gate electrodes are, by gate lead lines, connected to a second gate electrode. The first and second gate electrodes are selectively and alt... | 06/02/1998 |
| 5655184 | Ionographic printing with improved ion source An ionographic printer bar directs a stream of ions from an integral ion source having a planar surface for emitting ions to a charge receptor to create an electrostatic latent image thereon. The ion stream passes through an aperture having associated the... | 08/05/1997 |
| 5617129 | Ionographic printing with a focused ion stream controllable in two dimensions An ionographic printer directs a stream of ions from a source to a charge receptor to create an electrostatic latent image thereon. The ion stream passes through a relatively large aperture having associated therewith a focusing pinch electrode for narrow... | 04/01/1997 |
| 5601684 | Method for manufacturing an ion flow electrostatic recording head A method for manufacturing an ion flow electrostatic recording head including: a plurality of first electrodes extending in parallel to one another on an insulating substrate; a plurality of second electrodes intersecting the plurality of first electrodes... | 02/11/1997 |
| 5576742 | Image recording head having corrosion resistant control electrodes An image recording head, for one of a image recording apparatus in which a voltage is applied to fine pattern electrodes to directly record an image on a recording medium and a image recording apparatus in which a voltage is applied to fine pattern electr... | 11/19/1996 |
| 5515084 | Method for non-impact printing utilizing a multiplexed matrix of controlled electrode units and device to perform method Method and device for high quality printing with substantially reduced cross-coupling while reducing the manufacturing cost of printers that use a matrix of individual control electrode units by connecting individual control electrode segments in series t... | 05/07/1996 |
| 5504509 | Image forming apparatus with specific aperture electrode unit An image forming apparatus including electric field control member for directly controlling the flow of charged particles with an electric field, supply device for supplying the charged particles to the electric field control member, and a counter electro... | 04/02/1996 |
| 5477251 | Method of forming developer through-holes in a print head This invention is directed to a method of forming developer through-holes in a print head which has a plurality of first electrodes and a plurality of second electrodes arranged in matrix with an insulating layer sandwiched therebetween. A main portion of... | 12/19/1995 |
| 5450115 | Apparatus for ionographic printing with a focused ion stream An ionographic printer directs a stream of ions from a source to a charge receptor to create an electrostatic latent image thereon. The ion stream passes through a relatively large aperture having associated therewith a pinch electrode for narrowing the i... | 09/12/1995 |
| 5450103 | Charge imaging system with back electrode dot enhancement An electrographic printing system moves a dielectric imaging member past a charge transfer print cartridge or bulk charging source, and a landing electrode arrangement directs charged particles with enhanced precision to dot positions on the imaging membe... | 09/12/1995 |
| 5406314 | Electrothermal printing ink with monodispersed synthetic pigment particles and method and apparatus for electronic printing therewith A printing ink comprises a clear, transparent, polymeric carrier material and uniform, colloidal size charged color particles evenly dispersed therein. The carrier and the particles are adhesively bonded to one another so as to form a matrix which can col... | 04/11/1995 |
| 5404159 | Image forming apparatus having toner particle modulator with elliptical aperture An image forming apparatus capable of forming an image with a high-resolution. The image forming apparatus comprises an aperture electrode wherein toner particles are controlled so as to pass through each of the apertures or not so as to pass through each... | 04/04/1995 |
| 5315323 | Color image forming apparatus with means for biasing a recording head An electrostatic plotter or similar color image forming apparatus for forming an image on a recording medium, e.g. a paper web being transported under tension by a transport roller pair by a head while sensing a register mark formed on the medium. The dis... | 05/24/1994 |
