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Xerox Corporation Patents
Assignee:
Xerox Corporation
Address:
Norwalk, CT
No. of patents:
15435
Patents:


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Patent Number Title Of Patent Date Issued
7466873 Artifact removal and quality assurance system and method for scanned images December 16, 2008
An artifact removal and quality assurance method and system for digital images, wherein a document comprising at least one printed page is scanned or the original image data are otherwise input. The input digital image data are segmented into components as to content type. The compon
7465349 Method of making nanosized particles of monoazo laked pigment December 16, 2008
A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional gro
7465348 Nanosized particles of monoazo laked pigment December 16, 2008
A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional gro
7464926 Sheet curl correction method and feeder apparatus December 16, 2008
A pneumatic sheet feeder is selectively actuable to acquire a sheet from a stack and transport the sheet towards a take-away nip. The feeder includes a feedhead having an acquisition surface substantially aligned with the take-away nip. A sensing apparatus detects three separate dist
7464923 Multi-sectioned paper handling tire December 16, 2008
An improved device and method for providing increased latitude of paper handling tires includes at least three elastomeric materials mounted on a shaft and divided into three or more torus-shaped sections of varied width. Combinations of EPDM, Silicone and Isoprene are examples of ma
7463004 Planetary dual stepper drives December 9, 2008
An electrostatic marking system is provided having a power source(s) in each of its processing stations. A specialized power source is made up of two stepper motors in operative connection to a planetary gearset. This gearset is comprised of a sun gear, a set of planet gears supported by
7462661 Release fluid additives December 9, 2008
The presently disclosed embodiments are directed to release fluids or agents that are useful in release coating in toner-based technologies. More particularly, the embodiments pertain to the addition of metal chelating agents to release fluids to prevent byproduct reactions from the
7462434 Imaging member with low surface energy polymer in anti-curl back coating layer December 9, 2008
An imaging member having an anti-curl back coating is disclosed. The anti-curl back coating comprises a low surface energy polymer having siloxane segments in its backbone and a film forming polymer. The anti-curl back coating has low surface energy and improved surface lubricity.
7462433 Photoreceptor additive December 9, 2008
The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to a photoreceptor additive to improve image quality.
7462432 Polyphenyl thioether and thiophosphate containing photoconductors December 9, 2008
An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl thioether of the formula ##STR00001## wherein R.sub.1, R.sub.2, and R.sub.3 are indepen
7462431 Photoreceptors December 9, 2008
Photogenerating layers of photoreceptors are provided utilizing a photogenerating component/resin dispersion formed in a low boiling point solvent.
7462401 Radiation curable composition December 9, 2008
A composition includes at least one radiation curable (alkyl)acrylate-polyester oligomer, at least one photoinitiator, and at least one surfactant, wherein the composition has a viscosity of from about 50 cP to about 3000 cP at about 25.degree. C., and a surface tension of from about
7462395 Fuser member December 9, 2008
A fuser member includes a substrate and an outer layer including a polymeric material and a methacrylate-based fluorosurfactant.
7461933 Sheet heater assembly having air bearing platelets December 9, 2008
An air bearing sheet heater assembly is provided for heating a sheet in an ink imaging printer. It includes a heater plate that has a heating element and defines a first side of a sheet path through the heater assembly. It also includes at least one movable platelet that defines a se
7461172 Methods, apparatus, and program products for configuring components in networked computing envir December 2, 2008
Methods, systems, apparatus and program products for gathering contextual history from components in an environment and applying an operation on the gathered history to assist a user in selecting which components to use in the environment.
7460822 Printing roll having a controllable heat-absorbing internal surface December 2, 2008
A roll useful in fusing marking material to a print sheet includes a coating disposed on at least a portion of the inner surface thereof. A lamp disposed inside the roll supplies radiant energy to the inner surface. The coating changes its absorptivity (such as color) as desired, to
7460812 Gang safety latching mechanism and an image producing machine including same December 2, 2008
A gang safety latching mechanism includes (a) a torsion spring and bracket device having (i) a torsion spring subassembly (ii) a first bracket on the torsion spring subassembly having a first free position and a first loaded position, and (iii) a second bracket on the torsion spring
7460805 System for initiating image-quality tests in a digital printer December 2, 2008
A method of operating a digital printer comprises printing a machine-readable code and at least one test patch on at least one sheet. The photosensor detects the machine readable code on the moving sheet, and, in response to the detecting, initiates the photosensor reading the test p
7460727 Error diffusion method and hardware architecture December 2, 2008
A system and method for performing threshold stamping are disclosed. First and second threshold values corresponding to first and second pixels may be retrieved from a threshold memory. A plurality of upscaled threshold values may optionally be computed based on the first threshold value
7460276 Systems and methods for rank-order error diffusion image processing December 2, 2008
One aspect of the invention provides a method of halftoning an image which involves determining a quantization error for a selected target pixel of an image, selecting a diffusion mask, the mask relating to the target pixel and pixels neighboring thereto, receiving a first pair of ne
7459658 Drum heater systems and methods December 2, 2008
An internal heating system for an image transfer drum is disclosed that can include a box having a plurality of sides, an open side facing the drum and a heater element. The box can have small gaps between it and the internal drum surface to maximize thermal efficiency of the internal
7459258 Toner processes December 2, 2008
Processes for continuously forming latex emulsions and preparing toners with said emulsions are provided.
7459251 Imaging member December 2, 2008
An imaging member comprising a barrier or under-layer intermediate a photogenerating layer and charge transport layer to reduce charge deficiency spots. The barrier under-layer comprises a film forming polymer binder selected from a conductive polymer binder, a non-conductive polymer
7459250 Polyphenyl ether containing photoconductors December 2, 2008
An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl ether of the formula ##STR00001## wherein R.sub.1, R.sub.2, and R.sub.3 are independent
7459014 Radiation curable inks containing curable gelator additives December 2, 2008
An ink preferably used in piezoelectric ink jet devices includes an ink vehicle that includes at least one curable monomer, at least one polymerizable organic gelator, at least one initiator, at least one colorant and optionally at least one low molecular mass non-reactive organic ge
7458671 Ink printer having improved release agent application control December 2, 2008
A process controls application of a release agent to an intermediate imaging member in a printer rotating the intermediate imaging member in a single direction to generate and transfer an image. The process includes moving a release agent applicator into engagement with a rotating imagin
7458669 Ink consumption determination December 2, 2008
An ink jet printer includes an ink supply system and a printhead with nozzles for ejecting ink drops. The printer determines the average size of the ejected ink drops by comparing the number of ink drops ejected in a predetermined time with the quantity of ink delivered through the p
7458574 Leveling device for removing valleys in stacked objects December 2, 2008
A leveling device assists in support of stackable objects having a non-uniform thickness, such as DocuCards, in a stackable tray. The stackable tray includes a pivoting tray that can be pivoted from a full sheet stack position to an empty sheet stack position. A valley removal mechan
7458083 Architecture for software for interactively communicate with a machine and remotely maintenance November 25, 2008
Software in a computer which accesses one or more software-intensive devices, such as a digital copier or printer, is organized in a set of layers. A device-dependent layer converts data transferred over various means, such as a modem or network, to a uniform data format. A protocol
7457952 Authentication tag for S/W media November 25, 2008
An authentication apparatus includes a reading or recording medium equipped with an authentication tag, and a reading and recording drive that includes a transmitter and a coupler chip, wherein the authentication tag and the transmitter are capable of communicating with each other wh
7457808 Method and apparatus for explaining categorization decisions November 25, 2008
Feature selection is used to determine feature influence for a given categorization decision to identify those features in a categorized document that were important in classifying the document into one or more classes. In one embodiment, model parameters of a categorization model ar
7457578 Blade brush cleaner November 25, 2008
There is disclosed a system for cleaning marking material from a surface portion of a movable photoconductive member. The system includes a first rotatable brush, a blade and a second rotatable brush arranged in sequential order along the movable photoconductive member. The first rot
7457574 Fuser roll edge wear smoothing system and method November 25, 2008
This disclosure provides a printing apparatus and method including a media sheet registration system, a fuser roll assembly and a fuser roll RDS (registration distribution system). The media sheet registration system steers media sheets to alternative target positions to smooth fuser rol
7457557 High precision-heating and fusing apparatus November 25, 2008
A high precision-heat fusing device is provided for heating unfused toner images in an electrostatographic reproducing machine. The high precision-heating and fusing apparatus includes (a) an endless rotatable shell defining an interior and having an exterior surface, a first end, a
7457467 Method and apparatus for automatically combining a digital image with text data November 25, 2008
A digital image is automatically combined with text data by automatically classifying the image according to a predetermined set of categories, and automatically selecting text data from a repository, wherein the selected text data match the category of the image according to a predeterm
7457015 Color printing November 25, 2008
A method of processing cyan, magenta and yellow color values including half-toning cyan and magenta colors values, and half-toning yellow color values in such a manner that yellow dots tend to be printed next to cyan, magenta or secondary color dots regardless of cyan, magenta, or yellow
7457006 Calibration system for a scanner for recording images from sheets November 25, 2008
An image input scanner having two scan heads for simultaneous scanning of both sides of a sheet includes two calibration surfaces. A first calibration surface is disposed on the carriage on which a first scan head is mounted. A second calibration surface is disposed on the document h
7456982 Segmentation method and system for multiple raster content (MRC) representation of documents November 25, 2008
A method and a system for dynamically thresholding an image signal. The system comprises a computing block. The computing block receives the image signal and a minimum and a maximum within each of a set of windows centered on the current pixel in the image signal, and computes, for each
7456424 Thin film transistors including indolocarbozoles November 25, 2008
A thin film transistor composed of a semiconductor layer including an optionally substituted indolocarbazole.
7455943 High gloss emulsion aggregation toner incorporating aluminized silica as a coagulating agent November 25, 2008
The toner includes emulsion aggregation toner particles of a binder including a non-crosslinked styrene acrylate polymer, at least one colorant, at least one wax, and aluminized silica, wherein an amount of aluminum metal in the toner particles is from about 50 ppm to about 600 ppm.
7455941 Imaging member with multilayer anti-curl back coating November 25, 2008
An imaging member having an anti-curl back coating comprising an inner layer and an outer layer is disclosed. The outer layer comprises a low surface energy polymer having siloxane segments in its backbone and the inner layer comprises a film forming polymer. The anti-curl back coating
7455802 Stress release method and apparatus November 25, 2008
A stress/strain relief process for a flexible, multilayered web stock includes providing a multilayered web stock including at least one layer to be treated, the at least one layer to be treated having a coefficient of thermal expansion significantly differing from a coefficient of t
7455291 Media alignment systems and methods November 25, 2008
Embodiment herein being by placing a media sheet into a chamber. The chamber has a bottom, sidewalls, and a movable projection within a lower portion of the chamber. The movable projection has an upper surface and the media sheet can initially rest on the upper surface of the movable
7454880 Personalized medication packaging November 25, 2008
A system for personalized packaging of prescription medication includes a processing device having a CPU and a user interface. The user interface is configured to receive input data related to at least one type of medication to be packaged, wherein the user interface communicates the
7454466 Method and system for flexible workflow management November 18, 2008
A method for providing emergent and flexible workflow management to a user. The user communicates with other users, using a message-based system having embedded information management resources. The message-based system has a viewer. A message is generated at the message-based system
7454400 System for negotiation with mirroring November 18, 2008
A plurality of components are specified to perform a negotiation, where each component is a participant, a coordinator, or both. Each component is provided with a conversion table that maps a set of parameters between invocation patterns instantiated by the participants. Each coordinator
7454397 Method and system for classifying print product descriptions November 18, 2008
A system and method for classifying a print product description in a print shop vocabulary. Initially, a system of classification having a set of classifications, such as product classes, in a print shop vocabulary is provided in an automated system with classification rules for classify
7454159 Jam clearance release mechanism for printer guides November 18, 2008
A magnetic latch for removably latching a first member to a second member includes a magnet emitting a magnetic field carried by the first member and a magnetically attractive catch plate carried by the second member. A release mechanism is provided for moving the magnet relative to the
7453604 Systems and methods for estimating an image marking process using scanned image attributes November 18, 2008
Methods and systems used to automatically identify the marking process used for an image on a substrate based on spatial characteristics and/or color of the image. Image types which are classified and identified include continuous tone images and halftone images. Among halftone images
7453591 Color saturation adjustment November 18, 2008
A method of gray balance adjustment and color saturation adjustment including generating respective gray balancing components for initial primary color data values, generating respective color saturation adjustment components for the initial primary color data values, and adding resp
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