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| Number | Title | Issue Date |
| 8106931 | Semiconductor device, print head and image forming apparatus A semiconductor device, a print head comprising the semiconductor device and an image forming apparatus comprising the print head are supplied which are able to reduce cost through miniaturizing element size and minishing chip area. The semiconductor device comprise... | 01/31/2012 |
| 7995081 | Anisotropically conductive backside addressable imaging belt for use with contact electrography An addressable imaging belt for use in printing applications having embedded anisotropically conductive addressable islands configured for electric contact on a first side of the belt by a write head consisting of an array of compliant cantilevered fingers with cont... | 08/09/2011 |
| 7872661 | Image bearing structure and method to detect a defect in the image bearing structure An image bearing structure includes an image drum including at least one slot, a plurality of ring electrodes formed on an outer circumference of the image drum, and a control board positioned within the slot of the image drum, and connected to the plurality of ring... | 01/18/2011 |
| 7764296 | Electrographic apparatus for forming a latent image on an imaging surface A charge source is used to create a latent image on an imaging surface. A volume between the charge source and the imaging surface may be pressurized while the latent image is being created. ... | 07/27/2010 |
| 7755654 | Pixel Various embodiments and methods relating to a pixel are disclosed. ... | 07/13/2010 |
| 7626602 | Apparatus for electrostatic coating The present invention generally relates to an electrostatic coating apparatus for spraying a stream of particles onto a medium, and in particular to an apparatus equipped with a powder coating suspension device such as a multivolume chamber, or a air stream creation... | 12/01/2009 |
| 7466326 | Image forming method and image forming apparatus An image forming method, comprising the steps of: charging uniformly a surface of an organic photoreceptor while rotating the organic photoreceptor; exposing the charged surface of the photoreceptor with a light beam having a wavelength in the range of 350 nm to 500... | 12/16/2008 |
| 7436416 | Color printer and control method thereof with pulse width modulation for tone control based on type of document and number of colors printed A color printing apparatus having pulse-width modulation means which performs pulse-width modulation for tone control, and a control method thereof are provided. Based on determination of a printing mode of printing data supplied and determination of whether or not ... | 10/14/2008 |
| 7436379 | Reversible image display medium Disclosed is a reversible image display medium which can be repeatedly used and can display high quality images, in which cells between the two substrates accommodate a dry developer containing at least two kinds of frictionally chargeable dry developing particles h... | 10/14/2008 |
| 7432942 | Electric display media A visual display system and a method for displaying information. The information displayed on the visual display system may be substantially or entirely immune to stray electric fields. ... | 10/07/2008 |
| 7419248 | Ink jet head and ink jet recording apparatus An ink jet head ejects ink by utilizing an electrostatic force to fly the ejected ink towards a recording medium. The ink jet head includes an ejection port substrate having ejection ports bored therethrough, a head substrate disposed at a predetermined distance fro... | 09/02/2008 |
| 7328981 | Electrostatic actuator, liquid discharge head, liquid cartridge, imaging apparatus, micro pump, and optical device An electrostatic actuator is disclosed that includes a deformable oscillating plate that is deformed by electrostatic force, an electrode that is arranged opposite the oscillating plate via a gap formed by sacrificial layer etching, a connection path that is connect... | 02/12/2008 |
| 7325906 | Ink jet head and ink jet recording apparatus The ink jet recording apparatus serves to record an image corresponding to image data on a recording medium using an ink jet head which ejects ink in the form of an ink droplet. The ink jet head includes an ejection orifice substrate in which an ejection orifice is ... | 02/05/2008 |
| 7325903 | Quill-jet printer A system for depositing a material is described. The system uses at least one cantilever, and more typically a plurality of cantilever to transfer small amounts of material from a source of material to a substrate surface. One application for the system is a printin... | 02/05/2008 |
| 7324127 | Image forming apparatus and method thereof An image forming apparatus for recording an image on a recording medium according to an inputted diagnostic image signal, including: a recording medium loading section capable of loading plural types of recording media; an exposing device for forming latent images b... | 01/29/2008 |
| 7292231 | Writing device for color electronic paper A writing device is provided for color electronic paper which is capable of performing full color display. The writing device includes a head unit, a head unit moving mechanism which moves the head unit in a first direction, a feeding mechanism which moves electroni... | 11/06/2007 |
| 7289133 | Method and apparatus for toner identification A simple and economical method and apparatus for identifying the toner installed in a multi-toner printer by identifying the toner holder installed in the printer is disclosed. Additionally, the multi-toner printer is controlled based on the toner holder installed a... | 10/30/2007 |
| 7270400 | Ink jet recording method The ink jet recording method allows an electrostatic force to act on an ink composition containing at least charged particles containing a colorant and a dispersion medium to form a thread of the ink composition, and divides the thread into small portions to eject i... | 09/18/2007 |
| 7264344 | Electrostatic inkjet ink composition An electrostatic inkjet ink composition including: a non-aqueous solvent having a dielectric constant of from 1.5 to 20 and a surface tension at 25° C. of from 15 to 60 mN/m; a color material that is insoluble in the non-aqueous solvent; and a charge control agent ... | 09/04/2007 |
| 7258424 | Printer with a MEMS printhead A printer provided with a micro-electro-mechanical printhead for producing wallpaper, the printer comprising: a micro-electro-mechanical printhead extending at least the width of a media web; drive means to drive the media web past the printhead; at least one proces... | 08/21/2007 |
| 7259744 | Dielectrophoretic displays A dielectrophoretic display comprises a substrate having walls defining at least one cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface; a suspending fluid contained within the cavity; a plurality of at least one type of part... | 08/21/2007 |
| 7249837 | Printing on flocked paper and films A flocked substrate that can be printed in non-impact printers and photocopiers, including bubble jet, piezoelectric and LaserJet printers, a method of printing on flocked substrate using that flocked substrate, and a jigsaw puzzle made using the printed flocked sub... | 07/31/2007 |
| 7225739 | Drying system for use in a printing system A drying system for use in a printing system, the drying system comprising: an heating element provided within a first chamber; at least one fan positioned to force air past the heating element; the first chamber adapted to direct the heated air through an opening i... | 06/05/2007 |
| 7222956 | Image display apparatus The image display apparatus includes an image display unit having an image display surface, an image forming unit for forming an image on the image display surface by ejecting ink droplets toward the image display surface and an image erasing unit for erasing the fo... | 05/29/2007 |
| 7221464 | Image recording apparatus and test pattern for evaluating recorded image The invention concerns an image recording apparatus suitable for forming a medical image that is used for a medical diagnosis, and a test pattern for evaluating a quality of the medical image. The image recording apparatus includes a printing section to either the m... | 05/22/2007 |
| 7213911 | Ink-jet head An ink-jet head comprises a passage unit, an actuator unit, an ink supply unit, a flexible substrate, and a driver IC. The actuator unit is fixed to one surface of the passage unit in order to change the volume of pressure chambers included in the passage unit. The ... | 05/08/2007 |
| 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 |
| 7204571 | Printhead to drum alignment system A system for maintaining alignment between a print head (18) and a transfer surface (34) of a drum assembly (38) includes a first contacting member (78, 80) carried by the print head. A first receiving member (82, 84) is carried by... | 04/17/2007 |
| 7202990 | Method and device for light modulation by means of a granular gas The invention relates to a method and a device for light modulation, wherein the intensity of light can be altered by means of electrically chargeable or charged particles (5). The aim of the invention is to obtain light modulation in an economical, fast and ... | 04/10/2007 |
| 7186042 | Wallpaper printer A printer is disclosed for producing rolls of wallpaper. The printer has a frame in which is located a media path which extends from a media loading area to a winding area. A printhead located across the media path. One or more input devices are used for capturing o... | 03/06/2007 |
| 7182450 | Ink composition and inkjet recording method In electrostatic inkjet recording in which an ink droplet is ejected by acting electrostatic force on ink that contains colorant particles, the electric conductivity of the colorant particles in the ink is saturated. Thus, variations in ink dot diameter caused by th... | 02/27/2007 |
| 7173641 | Electrostatic printers using micro electro-mechanical switching elements The present invention relates to a printer system that incorporates an electrically addressable array of micro electro-mechanical switches of arbitrary width. In one embodiment, array of micro electro-mechanical switches of arbitrary width that comprises an electros... | 02/06/2007 |
| 7133055 | Digital semiconductor based smart surface A smart surface is composed of a semiconductor memory layer overlaid on an insulated conductive layer with a one to one correspondence of each memory cell with the conductive pad on the insulated layer. The entire structure can be fashioned into a either a planar st... | 11/07/2006 |
| 7131380 | EB pattern profile printing The present invention provides a printing process and a printed product in which a coating is combined with an additive that lowers the surface tension of the dried coating. The coating pattern is printed on a substrate, and is cured using electron beam (“EB”) p... | 11/07/2006 |
| 7121209 | Digital semiconductor based printing system and method The print engine is composed of a semiconductor memory layer overlaid on an insulated conductive layer with a one to one correspondence of each memory cell with the conductive pad on the insulated layer. The entire structure can be fashioned into a either a planar s... | 10/17/2006 |
| 7104624 | Fire pulses in a fluid ejection device An fluid ejection device includes nozzles and includes firing resistors which correspond to the nozzles. Each firing resistor and corresponding nozzle are located in zones on the fluid ejection device where each zone has at least one firing resistor and correspondin... | 09/12/2006 |
| 7077586 | Printing apparatus, content output apparatus, and printing system When a print instruction is made by a user who is watching a digital television or the like, a printer makes a send request for print data necessary for printing the first page to a set top box (STB) and receives “Sample.bml” from the STB. Next, the printer refe... | 07/18/2006 |
| 7059248 | Digital semiconductor based printing system and method A print engine suitable for printing barcodes and other patterns using charged inks includes a semiconductor memory layer having memory circuits that are coupled to one or more line elements and/or printel cells. The printel cells and line elements either attract or... | 06/13/2006 |
| 7055948 | Voltage control for capacitive mat Representative embodiments provide for a controller for use with a capacitive mat, the controller configured to selectively electrically energize a first node of the capacitive mat in response to an input. The controller is further configured to wait for a first pre... | 06/06/2006 |
| 7052124 | Ink assist air knife In operating an inkjet printing mechanism, media passes through a printzone including a support apparatus supporting the media thereat. When passing through the printzone, print imaging is applied by application of ink from an ink dispensing element and onto a surfa... | 05/30/2006 |
