Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Xerox Corporation Patents
Assignee:
Xerox Corporation
Address:
Norwalk, CT
No. of patents:
15444
Patents:


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next


Patent Number Title Of Patent Date Issued
7556326 Ink level sensor and method of use July 7, 2009
An ink level sensing system and method of sensing that includes a lower probe positioned in a lower portion of an ink reservoir, an upper probe positioned above the lower probe and extending upward to an upper portion of the ink reservoir, and an electrode positioned next to the lower an
7555530 Systems and methods for providing documents based on document identifiers June 30, 2009
Systems and methods provide documents based on collected document identifiers. A document production center receives a document identifier along with delivery address information, identifies a digital document based on the document identifier, makes an copy or prints a hard copy of t
7555396 Method and system to personalize sensor characterizing reference database in multiple LED spectr June 30, 2009
To generate a reference database for a particular sensor in a multiple LED spectrophotometric system with a reduced number of test measurements taken from training samples, a first set of reflectance reference measurements are generated from a test target on to a reference sensor fro
7555246 Development sub-system in-line cleaning system June 30, 2009
An electrophotographic printing machine of the type in which an electrostatic latent image recorded on a charge retentive surface is developed with toner particles to form a visible image thereof, including: a housing having a supply of toner and developer therein; a donor member for
7555234 Scheduling system for placing test patches in a printing apparatus June 30, 2009
A method of operating a printing apparatus, the apparatus having a rotatable imaging member and an imaging station useful in creating printable images and test patches on the rotatable imaging member. Data is obtained relating to images desired to be printed in a time-frame correspon
7555172 Dynamic range detection and adjustment June 30, 2009
An original image is received. The original image is divided into tiles. A whitepoint value of each tile is determined. A blackpoint value of each tile is determined. A whitepoint value of each pixel in the image is determined by interpolating the determined whitepoint values of neig
7553706 TFT fabrication process June 30, 2009
A process for fabricating a thin film transistor including: (a) depositing a semiconductor layer; and (b) depositing a multilayer gate dielectric prior to or subsequent to the depositing the semiconductor layer, wherein the multilayer dielectric comprises: (i) a first layer comprising a
7553603 Inkless printing paper and method June 30, 2009
An image forming medium includes a substrate and an imaging layer coated on or impregnated into the substrate, where the imaging layer includes a photobase generator and an acid-base indicator. In the image forming medium, irradiation of the imaging layer causes the photobase generator
7553601 Toner compositions June 30, 2009
A toner having its surface functionalized with alkaline resins is provided, and processes for producing the same.
7553596 Toner having crystalline wax June 30, 2009
Embodiments include a toner with a distilled wax having a crystallinity of from about 55 to about 100 percent, wherein the degree of crystallinity is calculated using the following formulas: [Heat of enthalpy (Hm) J/g/294 J/g].times.100=degree of crystallinity (Xc); [Heat of recrysta
7553595 Toner compositions and processes June 30, 2009
A toner composition includes toner particles including a polymeric resin, a colorant, a wax, and an optional coagulant, and a coagulant applied as a surface additive to a surface of the toner particles to alter a triboelectric charge of the toner particles.
7553593 Titanyl phthalocyanine photoconductors June 30, 2009
A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, and wherein the photogenerating layer contains a titanyl phthalocyanine prepared, for example, by dissolving a Type I titanyl phthalocyanine in a solution c
7553592 Photoreceptor with electron acceptor June 30, 2009
An electrophotographic imaging member includes at least one layer including a hole transport material and a strong electron acceptor material, such as an electrophotographic imaging member including a substrate, a charge generating layer, a hole transport layer, and an optional overc
7553591 Imaging member having antistatic anticurl back coating June 30, 2009
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 the incorporation of organic sulfonic acids in the anticu
7553011 Curable phase change ink composition June 30, 2009
Ink compositions that include one or more radiation curable oil soluble components and one or more thermal solvents are provided, as well as methods of preparing such ink compositions and methods of using such ink compositions are provided. A jet printing method that jets an ink comp
7553010 Phase change ink imaging component having elastomer outer layer June 30, 2009
An offset printing apparatus having a coated imaging member for use with phase-change inks, has a substrate, an optional intermediate layer, and thereover an outer coating having an elastomer of monomers selected from the group consisting of halogenated monomers, polyorganosiloxane m
7553008 Ink loader for interfacing with solid ink sticks June 30, 2009
A solid ink loader for use with a phase change ink printer is provided. The ink loader comprises a push block for contacting and urging an ink stick along a feed channel; an arm pivotally mounted in the push block which directs a beam of light based on the pivot angle; a light emitter
7552986 Systems and methods for reducing process direction registration errors of a printhead using a li June 30, 2009
Systems and methods are provided for detecting process direction registration errors in a printer. The errors are detected by analyzing a metric of a dash minimum response obtained from a test pattern. The test pattern contains dashes. At least one dash is shifted in the process dire
7552265 System and method for providing context information June 23, 2009
Systems and methods for enabling arbitrary components to transfer current, contextual data between each other without requiring prior knowledge of each other. The contextual data may include executable computer language instructions or a type, operating status, identity, location, ad
7552139 Represented object groups June 23, 2009
A method, system and article of manufacture for organizing and grouping objects is provided. By assigning property names and values to a plurality of related objects, they may be organized into a group and one object of the group may be displayed as the representative. Grouping objec
7552051 Method and apparatus for mapping multiword expressions to identifiers using finite-state network June 23, 2009
Multiword expressions are mapped to identifiers using finite-state networks. Each of a plurality of multiword expressions is encoded into a regular expression. Each regular expression encodes a base form common to a plurality of derivative forms defined by ones of the multiword expre
7551875 Wide latitude printing system June 23, 2009
A wide latitude printing system is provided for printing on a wide variety of different types, sizes, formats and weights of media substrates. The wide latitude printing system includes (a) at least one floor standing and movable marking engine assembly having an imaging member, devices
7551334 Background suppression method and apparatus June 23, 2009
An original image is received in a red-green-blue color space. Pixels in the original image are converted to a luminance-chrominance color space. Background pixels in the original image are determined by comparing a luminance value of each pixel to a selectable luminance threshold, and
7551275 Sensor calibration system and method June 23, 2009
Disclosed herein is reference component for a sensor. The reference component comprises a calibration surface and an integrated circuit. The integrated circuit often contains a digital representation of calibration surface properties. A corresponding sensing system, printing system,
7550760 Polyacenes and electronic devices generated therefrom June 23, 2009
An electronic device comprises a semiconductive material containing a homopolyacene of Formula (I): ##STR00001## wherein R is a suitable hydrocarbon, a halogen, or a heteroatom containing group; each R' and R'' are independently a suitable hydrocarbon, a heteroatom containing group,
7550239 Alkyltriol titanyl phthalocyanine photoconductors June 23, 2009
A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, and wherein the photogenerating layer contains an alkyltriol, such as glycerol, and a photogenerating pigment, such as a Type V titanyl phthalocyanine prepa
7550101 Two-particle electrophoretic ink for microencapsulated flexible electronic display June 23, 2009
Exemplary electrophoretic ink capsules for electrophoretic displays, and methods for making the exemplary electrophoretic ink capsules are disclosed. In various embodiments, the electrophoretic ink capsules can include triboelectrically charged electrophoretic particles having higher
7549879 Modular snap-together electrical and air connector June 23, 2009
This is a modular connector used to supply electricity and air to a corona assembly. The connector has an electrical component removably positioned on an air component. When one of these components becomes inoperative, it can be detached from the other component, and the detached compone
7549733 Diaphragm plate with partially-etched port June 23, 2009
A printhead assembly that includes a partially-etched port structured to be opened by application of pressure to the port area, one or more leaflets being depressed into an internal chamber communicating with the open port.
7549592 Method for embedding machine-readable information with fluorescent materials June 23, 2009
Disclosed is a method of embedding machine readable information on a substrate, including converting the information to machine readable code format and writing the machine readable code format on the substrate with at least one fluorescent marking material. Also disclosed is a system fo
7549114 Methods and systems for incrementally changing text representation June 16, 2009
To reduce required display space, a text segment is reduced in size by successively eliminating portions of the text segment and by reducing a size of text of the text segment and/or a spacing between characters of the text segment. The reduction is thus visually represented in a ste
7549047 Method and system for securely sharing files June 16, 2009
A system and method for sharing files securely includes server software on a first device configured to communicate with server software operating on one or more other preauthorized devices, such as a second device. The servers communicate with each other securely using cryptographic
7548716 Color gamut and enhanced transfer using hybrid architecture design June 16, 2009
A color printing machine with a hybrid development architecture is provided including a photoreceptor, a first and second set of development housings, a biased transfer belt, and a fuser. The first set of development housings are arranged in an image-on-image configuration in proximi
7548705 Systems and methods for marking test patches for calibrating and/or visually confirming color ac June 16, 2009
A printer or other marking device forms a first desired image in a first area, such as a main image area, of a first substrate; forms a first portion of a set of test patches in a margin area of the first substrate; forms a second desired image in a first area, such as a main image area,
7548665 Method, systems, and media for identifying whether a machine readable mark may contain sensitive June 16, 2009
Embodiments of the present invention relate to attesting a document that contains encoded data, such as a barcode or DataGlyph. When a document contains encoded data that is not in human-readable form, the document is checked to determine whether content in the encoded data appears s
7548328 Media size sense system and firmware algorithm for an image formation device June 16, 2009
An image formation device having computer readable instructions that alleviate the necessity of the user to enter the correct page size into the image formation device. The computer readable instructions contain, among other things, a look-up table, or map, of known print media dimen
7548316 System and method for lead edge and trail edge sheet constraint and curl sensing June 16, 2009
A lead edge and/or trail edge sheet curl sensing and constraint method and system. First and second light emitters and detector pairs are aligned such that the light beams from the first light emitter and second light emitter cross at the transport media sheet substrate path, which c
7548171 Wireless sensors for system monitoring and diagnostics June 16, 2009
A plurality of wireless sensors can be placed within a large system in various locations to monitor critical elements of that system. Each wireless sensor can include sensor elements usable to monitor one or more parameters of an element of the system and a wireless signal transmitter,
7547903 Technique to remove sensing artifacts from a linear array sensor June 16, 2009
Disclosed is a method and system for calibrating an image capturing sensor. The method and system include generating a test pattern on an image receiving device and measuring one or more colorimetric properties of the test pattern with an image sensor. The disclosed method and system
7547499 Low melt toner June 16, 2009
A toner includes binder of amorphous polymer material, such as an amorphous polyester material, and a crystalline polymer material, such as a crystalline polyester material, wherein the amorphous polymer material has an acid number that is greater than an acid number of the crystalline
7547007 Welding clamp June 16, 2009
A clamp for use in welding which has a unshaped configuration with a base section having two movable jaws connected to it. The jaws are spring loaded so they will widen to fit objects to be welded at least one of the jaws has cut out portions to permit the user to see the location to be
7546540 Methods of using mixed resolution displays June 9, 2009
A method of using two or more display units with different resolutions which have been combined such that the geometry of images displayed across the multiple display units is preserved and the image appears to be substantially continuous to a viewer of the image. Compatibility of th
7546069 Xerographic developer unit having multiple magnetic brush rolls with a grooved surface June 9, 2009
A magnetic roll having longitudinal grooves machined in its rotating sleeve enables a pair of rolls to be rotated in a direction opposite to the direction of a photoreceptor moving through a development zone and a trim blade to be mounted proximate one of the rolls at a trim gap of a
7545997 Simulated high resolution using binary sub-sampling June 9, 2009
In an image processing method, a first raster having a first resolution is divided into a plurality of sub-sampling cells each containing a selected number of neighboring pixels. A pixel from each of the sub-sampling cells is selected in a periodic or quasi-periodic pattern biased toward
7545981 Document image re-ordering systems and methods June 9, 2009
Embodiments herein acquire an image containing text, identify distinct regions of text within the image (using, for example, a document model), and separate sub-images of the image according to the distinct regions of text. The embodiments can then order the sub-images according to a
7545557 Color display device June 9, 2009
Set forth is a display device, including an electrophoretic display portion and a domain controlled liquid crystal portion, wherein the display device has a structure wherein either the electrophoretic display portion is arranged over the domain controlled liquid crystal portion or t
7545543 Scanner illuminator systems and methods June 9, 2009
A scanner includes an illuminator and a platen adapted to support a document to be scanned. A light source directs light into the platen and the light is reflected internally within the platen. A movable light sensor is positioned adjacent the platen. Liquid crystal sections between
7545540 Method and system for processing color image data June 9, 2009
A system and method remove at least one color from a color image in a chrominance-luminance color space. The processing method includes generating screen values for machine independent color space image pixels, comparing the screen values for the pixels with pixel values for one comp
7545535 Robust automatic page size detection algorithm for scan application June 9, 2009
The present invention discloses a method of automatically detecting a page size for a digital scanning operation. The method includes establishing vertical and horizontal limits of an image area containing image content features of a pre-scanned image, detecting vertical page edge inform
7545531 Method and apparatus for implementing statistical process control (SPC) in a printing environmen June 9, 2009
A method and apparatus for implementing statistical process control (SPC) in a printing environment to address errant reads of control sensors is provided. The system uses SPC, in systems having feedback control based on control sensor data, to identify errant reads and ensure that such
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

 
 
  Recently Added Patents
Drive apparatus including a pump assembly
Carbon black surface-modified with benzene compound and carbon black dispersion composition for black matrix using the same
Passivation of deep isolating separating trenches with sunk covering layers
Downconverter and upconverter
Manual assist and method for opening sliding windows and doors
Thermoelectric power supply
Rubber crawler
  Randomly Featured Patents
Tracheostomy cannula
Luminous key top
Method of manufacturing liquid crystal display element
Use of 1-lower alkoxy-4-trichloromethylphthalazines as an insecticide
Production process and production apparatus for polybutylene terephthalate
Quasi bipolar topology for brushless motors
Directing a path verification request along a specific path to a mesh network switch to test operability of the specific path
Method and system for controlling the energization of at least one glow plug in an internal combustion engine
Carbon-containing aluminum nitride sintered compact and ceramic substrate for use in equipment for manufacturing or inspecting semiconductor
Rose plant named `POULac009`