Patents Assigned to Xerox
  • Imaging member
    Patent number: 8057974
    Abstract: Disclosed is an imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, and a charge transport layer in contact with the photogenerating layer, the charge transport layer comprising a charge transport material, a polymer containing carboxylic acid groups or groups capable of forming carboxylic acid groups, and a hydroquinone antioxidant, wherein the photogenerating layer is situated between the charge transport layer and the conductive substrate.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Gregory McGuire, Ah-Mee Hor
  • Exposure device, image forming apparatus, and computer-readable medium
    Patent number: 8059146
    Abstract: An exposure device includes a plurality of light emitting elements, a load, a first supplying unit and a second supplying unit. The first supplying unit supplies a driving current to one of (i) light emitting elements used to form an image among the plurality of light emitting elements and (ii) the load, in accordance with a modulation signal. The first supplying unit supplies a bias current to the other. The second supplying unit supplies the bias current to light emitting elements not used to form the image among the plurality of light emitting elements, regardless of the modulation signal.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: November 15, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Tomoaki Sakita, Atsushi Ugajin, Satoshi Kurashima, Kohei Shioya, Tetsuya Hori
  • Process for coating fluoroelastomer fuser member using fluorinated surfactant
    Patent number: 8057859
    Abstract: A process for producing a fuser member coating including a) adding and reacting a fluoroelastomer, a crosslinking agent, a polar solvent, and a fluorinated copolymer surfactant to form a coating solution, and b) providing said coating solution on said fuser member to form a fuser member coating, wherein said fluorinated copolymer surfactant comprises a fluorinated acrylate copolymer having pendant fluorinated alkyl groups.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Samuel Kaplan, Alexander N. Klymachyov, Robert N. Finsterwalder, Kenneth W. Schlafer, Jarad N. Kohl, Joy L. Longhenry, Alan R. Kuntz
  • Media transport system
    Patent number: 8056893
    Abstract: A system and method for transporting a sheet of media through a print zone including a media entrance station, a media exit station and a first media transport translatable in a reciprocal manner between the entrance and exit stations. A second media transport transports a sheet onto and off of the first media transport. The second media transport transports the sheet in a first direction as the first media transport is moving in a second opposite direction.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Barry P. Mandel, Linn C. Hoover
  • Exposure apparatus, image forming apparatus and heating method
    Patent number: 8059147
    Abstract: The exposure apparatus is provided with: a substrate; plural light emitting elements that are arranged in a line on a first surface of the substrate; and a heating unit that heats the substrate from the first surface side.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: November 15, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshihiko Taira, Youji Houki, Yukihiro Matsushita
  • Method and apparatus for adjusting nip width based on the measured hardness of a fuser roll in an image production device
    Patent number: 8059977
    Abstract: A method and apparatus for adjusting nip width based on the measured hardness of a fuser roll in an image production device is disclosed. The method may include receiving an identification of media type, receiving a signal to measure fuser roll hardness, positioning a fuser roll hardness measurement unit onto the fuser roll, measuring the fuser roll hardness, and adjusting the nip width based on the measured fuser roll hardness and received media type identification.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Julie Marie Hanfland, William Alexander Burton, Alvin P. Kromm, Eric Scott Hamby
  • Nano diamond anticurl backside coating (ACBC) photoconductors
    Patent number: 8057973
    Abstract: A photoconductor that includes a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, and wherein the first layer is in contact with the supporting substrate on the reverse side thereof, and which first layer is comprised of a nano diamond component.
    Type: Grant
    Filed: January 27, 2009
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Edward F Grabowski, Lin Ma, Lanhui Zhang
  • Surface micromachining process of MEMS ink jet drop ejectors on glass substrates
    Patent number: 8058182
    Abstract: Method and device for forming a membrane includes providing a glass substrate, and depositing a thin layer of chromium on the glass substrate. The thin layer of chromium is patterned to form a deflection electrode and interconnect leads. A sacrificial layer of aluminum is deposited on top of the patterned chromium layer, then the sacrificial layer is patterned to define anchor regions. On top of the sacrificial layer, a thick layer of chromium is deposited, and the thick layer of chromium is patterned to form a membrane. The sacrificial layer is then etched to release the membrane.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Chingwen Yeh, James B. Boyce, Kathleen Boyce, legal representative, Jingkuang Chen, Feixia Pan, Joel A. Kubby
  • Image processing apparatus, image processing method, computer-readable medium and computer data signal
    Patent number: 8059906
    Abstract: An image processing apparatus includes an extraction unit, a counting unit and an information embedding unit. The extraction unit extracts a circumscribed figure of a pixel block in an image. The counting unit counts contact portions between the circumscribed figure extracted by the extraction unit and the pixel block. The information embedding unit embeds information to be embedded by adjusting a number of the contact portions between the pixel block and the circumscribed figure extracted by the extraction unit based on the number of contact portions counted by the counting unit and the information to be embedded.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: November 15, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Yasuhiko Iwamoto
  • Technique and system for reducing contamination build-up on fuser roll by reduction of static charge build-up in IGEN3 fuser subsystem
    Patent number: 8060000
    Abstract: A method and system for reducing contamination build-up within a fuser roll system are disclosed. The method and system includes a donor roll in rotational combination with a fuser roll. The donor roll can be configured to transfer a toner release agent to the fuser roll to reduce toner build-up on the surface of the fuser roll. A grounded static brush can be located proximate to the donor roll. The grounded static brush can be configured to inductively remove electrostatic discharge from the surface of the donor roll. The reduced electrostatic reduces contamination build-up on the fuser roll, and therefore increases the cycle life of the components of the fuser roll system.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Kurt I. Halfyard, Nicoleta Mihai, Brian McAneney, Fernando Perez Yulo
  • Phase change inks
    Patent number: 8057589
    Abstract: Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula wherein X1, X2, X3, and X4 each, independently of the others, are —S—, —S(?O)—, or —S(?O)2—, R1, R2, R3, and R4 each, independently of the others, are alkyl, aryl, arylalkyl, or alkylaryl, R1?, R2?, R3?, and R4? each, independently of the others, are substituents, n1, n2, n3, and n4 each, independently of the others, are 0, 1, 2, or 3, and M is an atom or group of atoms capable of bonding to the central cavity of a phthalocyanine molecule, wherein axial ligands optionally can be attached to M. Also disclosed is a radiation curable ink composition comprising (a) an ink vehicle, said ink vehicle comprising at least one radically curable monomer compound, and this colorant compound.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventor: Jeffrey H. Banning
  • Image processing and arranging system, image processing and arranging method, and computer readable medium for image processing and arranging
    Patent number: 8059138
    Abstract: An image processing system includes: a display that displays a still image and a moving image to move over the still image; a snapshot-image producing unit that produces the snapshot image of the moving image; and an arranging unit that arranges the snapshot image on the still image.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: November 15, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Koichi Fujii, Yuzuru Suzuki, Hiroyuki Kawano, Atsushi Itoh, Kunikazu Ueno, Natsumi Miyazawa, Shunsuke Kodaira
  • Hybrid tensor-based cluster analysis
    Patent number: 8060512
    Abstract: What is disclosed is a novel system and method for analyzing multi-dimensional cluster data sets to identify clusters of related documents in an electronic document storage system. Digital documents, for which multi-dimensional probabilistic relationships are to be determined, are received and then parsed to identify multi-dimensional count data with at least three dimensions. Multi-dimensional tensors representing the count data and estimated cluster membership probabilities are created. The tensors are then iteratively processed using a first and a complementary second tensor factorization model to refine the cluster definition matrices until a convergence criteria has been satisfied. Likely cluster memberships for the count data are determined based upon the refinements made to the cluster definition matrices by the alternating tensor factorization models.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventor: Wei Peng
  • Drop mass calibration method based on drop positional feedback
    Patent number: 8057005
    Abstract: A method of compensating for changes in drop mass of drop emitted by at least one ink jet of an ink jet imaging device is provided. The method comprises identifying a drop placement position on an image receiving member of an ink jet imaging device for at least one ink jet of a print head. The identified drop placement position for the at least one ink jet is compared to a default drop placement position for the at least one ink jet to determine a difference in drop placement position. A drive signal for the at least one ink jet is then adjusted in accordance with the difference in drop placement position.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Russell J. Watt, Matthew Hudson Dixon, Lisa Marie Schmidt, Jeff Lee Nelson
  • Enabling color profiles with natural-language-based color editing information
    Patent number: 8059134
    Abstract: A method of retaining original natural language commands along with the mathematical LUT transform of the commands and a private tag within the same ICC profile. The private tag can be read only by an exclusive or proprietary application or color management module. When a user loads a color editing profile into the proprietary application, the natural language commands could then be read from the private tag and displayed on a user interface. The user can then immediately see the qualitative effect of the color editing profile and provide selected modifications to the commands and retain a new set of commands stored in another profile.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Raja Bala, Geoffrey J Woolfe
  • Data processing apparatus, data processing method, and computer readable medium
    Patent number: 8060693
    Abstract: A data processing apparatus includes: a storage that has first to nth storage areas and stores data in the first to nth storage areas; a specific area erasion section that erases the data stored in the first storage area of the storage; a area erasion section that erases the data stored in at least one of the second to nth storage areas; and a erasion control section that controls the specific area erasion section and the area erasion section so that erasion of the specific area erasion section takes precedence over erasion of the area erasion section, wherein n is natural number.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: November 15, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Nobukazu Miyoshi, Tomokazu Kaneko
  • Moving sensor for sheet edge position measurement
    Patent number: 8056897
    Abstract: A method and apparatus for determining the lateral position of a moving sheet in a sheet registration system. A side edge sensor is moved from a known location until the side edge of the moving sheet is detected. A signal is generated indicative of the position of the side edge when it is detected. The position of the side edge as indicated by the signal is used along with skew of the sheet to determine the lateral position of the sheet.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Joannes N. deJong, Lloyd A. Williams
  • Ink conductivity fault tolerant mode
    Patent number: 8057008
    Abstract: A method of operating an imaging device comprises measuring an ink conductivity of an ink volume in an ink reservoir of an imaging device. The imaging device is operated in a conductivity fault tolerant mode in response to the measured ink conductivity being outside of a predetermined ink conductivity operational range. In the conductive fault tolerant mode, at least one parameter of a melt duty cycle for the ink reservoir is set to a corresponding conductivity fault tolerant (CFT) level.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: November 15, 2011
    Assignee: Xerox Corporation
    Inventors: Ivan Andrew McCracken, David L. Knierim, Michael Kenneth Oehl
  • Toner cartridge
    Patent number: D648777
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: November 15, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Kazuhiro Saito
  • Toner cartridge
    Patent number: D648778
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: November 15, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Kazuhiro Saito