Patents Assigned to Xerox
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Publication number: 20100225385Abstract: This disclosure provides active power filter methods and apparatus to control the PF, harmonics and/or ripple current associated with powering electrical devices. According to one exemplary aspect, an active power filter is configured to measure the momentary ac line output current, measure the momentary ac line input current and switch an energy buffer to provide additional current to the ac line output or draw current from the ac line input to control the PF associated with the device.Type: ApplicationFiled: March 9, 2009Publication date: September 9, 2010Applicant: XEROX CORPORATIONInventor: Franciscus Gerardus Johannes Claassen
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Publication number: 20100227075Abstract: Methods of controlling gloss of an image are disclosed. The methods may include forming an image over a substrate by applying an ink composition and optionally an overcoat composition at least partially over the substrate. The ink composition or overcoat composition may include at least one gellant, at least one curable monomer, optionally at least one curable wax and optionally at least one photoinitiator. The ink composition or overcoat composition may be curable upon exposure to radiation. The methods may further include providing a micro-roughness to one or more portions of the ink composition or overcoat composition by non-uniformly curing the ink composition or overcoat composition, and flood curing the ink composition or overcoat composition to complete a cure. The methods may thereby provide a controlled gloss level to the image.Type: ApplicationFiled: March 9, 2009Publication date: September 9, 2010Applicant: XEROX CORPORATIONInventors: Jennifer L. BELELIE, Michelle N. CHRETIEN, Barkev KEOSHKERIAN, Naveen CHOPRA, Peter G. ODELL, Christopher A. WAGNER
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Publication number: 20100228951Abstract: The present disclosure includes a management framework system for processing a parallel task. The framework includes a job package, a job submitter, task trackers, communicators, a plurality of processors, and a node service. The job package has a bundle of implementations defined by a user and an input data domain. The job submitter module has a splitter interface and a reducer interface. The job submitter is configured to split the input data domain into a plurality of sub-data domains. In addition, the job submitter module is configured to send and receive the plurality of sub-data domains to a plurality of processors. The one or more processors are configured to execute parallel tasks on sub-data domains. The management framework separates user-defined applications from parallel execution such that user-implementations are separated from management framework implementations.Type: ApplicationFiled: March 5, 2009Publication date: September 9, 2010Applicant: Xerox CorporationInventor: Hua Liu
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Publication number: 20100226678Abstract: An image forming apparatus includes: an image forming unit that forms an image on a first sheet; a fixing unit that fixes the image on the first sheet; a discharging unit that discharges the first sheet and a second sheet; a first transporting path that transports the first sheet on which the image is fixed to the discharging unit; a branch path that is branched from the first transporting path downstream of the fixing unit in a sheet transporting direction, the first sheet being transported to the branch path from the first transported path; a second transporting path that transports the second sheet in a direction opposite to the sheet transporting direction to the discharging unit; a plurality of sheet stock units in which sheets are stocked; a first sheet feed unit that feeds the first sheet from at least one of the plurality of sheet stock units to the first transporting path; and a second sheet feed unit that feeds the second sheet from at least one of the plurality of sheet stock units to the second trType: ApplicationFiled: February 1, 2010Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Ryuichi SATO, Osamu Tamura, Noriyoshi Tsuchiya, Yoshiyuki Takaishi
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Publication number: 20100226588Abstract: An image processing apparatus includes a binarization unit, a determination unit and a pixel value calculating unit. The binarization unit binarizes image data. The determination unit determines as to whether or not each pixel of the image data binarized by the binarization unit forms a peripheral portion of a pixel block. The pixel value calculating unit calculates a corrected pixel value of the pixel block based on (i) pixel values of pixels which are determined by the determination unit not to form the peripheral portion of the pixel block and (ii) pixel values of pixels forming the pixel block.Type: ApplicationFiled: July 29, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Ikken SO, Shunichi KIMURA
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Publication number: 20100226667Abstract: An image forming apparatus includes an image forming unit that forms an image on a recording medium; a fixing unit that fixes the image formed on the recording medium by the image forming unit by applying heat; a first detector unit that detects a length of the recording medium in a transport direction, the first detector unit being disposed upstream of the fixing unit in the transport direction; and a second detector unit that detects the length of the recording medium in the transport direction, the second detector unit being disposed downstream of the fixing unit in the transport direction.Type: ApplicationFiled: July 27, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Atsushi Ogihara, Atsuyuki Kitamura, Masahiro Sato, Junichi Murakami, Satoru Torimaru, Tetsuji Okamoto, Shuichi Nishide
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Publication number: 20100224551Abstract: A micro fluidic device includes a separation membrane that has an upper surface and a lower surface opposing to each other and a side surface; a plurality of base materials that sandwiches the separation membrane; a first channel and a second channel that are partitioned from each other by the separation membrane; a first feed port that is connected to the first channel; and a first discharge port that is connected to the second channel, wherein the first channel comes into contact with at least a part of the upper surface and the lower surface of the separation membrane, the second channel comes into contact with at least a part of the side surface of the separation membrane, and a fluid is movable in a surface direction within the separation membrane.Type: ApplicationFiled: September 3, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Kazuya Hongo, Hiroshi Kojima, Tetsuo Ohta, Seiichi Takagi
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Publication number: 20100226811Abstract: A process comprising: (a) forming a feature comprising uncoalesced silver-containing nanoparticles; (b) heating the uncoalesced silver-containing nanoparticles to form coalesced silver-containing nanoparticles; and (c) subjecting to a plasma treatment the uncoalesced silver-containing nanoparticles or the coalesced silver-containing nanoparticles, or both the uncoalesced silver-containing nanoparticles and the coalesced silver-containing nanoparticles, wherein the feature prior to the action (c) exhibits a low electrical conductivity but the electrical conductivity of the feature subsequent to the actions (b) and (c) is increased by at least about 100 times, wherein the action (c) is undertaken during one or more of prior to the heating, or during the heating, or after the heating.Type: ApplicationFiled: March 5, 2009Publication date: September 9, 2010Applicant: XEROX CORPORATIONInventors: Yiliang Wu, Mahya Mokhtari
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Publication number: 20100225938Abstract: An image-processing apparatus includes: a memory that stores a red range defining red in a color space; an acquiring unit that acquires original image data representing an original image including a first part whose color is the red defined by the red range and a second part whose color is a color other than the red; and a generating unit that generates modified image data representing a modified image in which a density of either the first part or the second part is reduced to a density smaller than a density of the original image represented by the acquired original image data.Type: ApplicationFiled: November 25, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventor: Noriaki Nara
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Publication number: 20100225728Abstract: A light-emitting device includes: a board; plural light-emitting chips that are one-dimensionally arrayed in a longitudinal direction of the board and that are connected to a first potential and a second potential; and plural capacitors that each include a first electrode and a second electrode arranged in a short-side direction of the board, and that are arrayed in the longitudinal direction of the board so that the first electrode and the second electrode are alternately positioned between each adjacent two of the capacitors. The first electrode is connected to the first potential for the light-emitting chips, and the second electrode is connected to the second potential for the light-emitting chips.Type: ApplicationFiled: August 31, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventor: Sachiya Okazaki
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Publication number: 20100225575Abstract: A particle dispersion for display including: first particles for display including a colorant and a first polymer having a first charging group, the first particles for display being movable in response to an electric field; a first polymeric dispersant attached to the first particles for display; second particles for display including a colorant and a second polymer having a second charging group, the second particles for display being movable in response to an electric field; a second polymeric dispersant attached to the second particles for display; and a dispersing medium in which the first particles for display and the second particles for display are dispersed, the first polymeric dispersant and the second polymeric dispersant having different weight average molecular weights so that the first particles for display and the second particles for display start moving upon application of different voltages.Type: ApplicationFiled: September 14, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Rie ISHII, Jun KAWAHARA, Nami TOKUNAGA, Daisuke NAKAYAMA
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Publication number: 20100226695Abstract: An image forming apparatus includes a plurality of image forming units that form toner images in different color; an image carrier which carries the toner image of each color; a determination unit that determines, in relation to a size of image data instructed to print, whether or not a first area where a misregistration correcting image is formed at an end portion in a width direction of the image carrier is secured; a first control unit that controls the image forming unit; and a detection sensor that detects the misregistration correcting image formed on the image carrier by controlling of the first control unit; wherein the misregistration of the toner image formed by each image forming unit is corrected on a basis of a value detected by the detection sensor.Type: ApplicationFiled: August 13, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Yuji SATO, Takashi KUBO, Hajime MISUMI, Fujio OSAWA, Hideo KAGEYAMA, Mitsunori SHIOI, Kanou SAITOU, Susumu TAKAGAKI, Tadakazu TSUTEHIRA
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Publication number: 20100225051Abstract: According to aspects illustrated herein, there is provided a method and system for measuring and controlling an angular orientation of a printed sheet along a feed path of a print making device, the printed sheet being a sheet of paper with a paper edge moving along the feed path and an image printed thereon. The method includes the following steps. First, moving the printed sheet past at least one pair of optical sensors to determine a first skew of the paper edge with respect to a first fixed reference and a second skew of the image with respect to a second fixed reference. Then, combining the first skew and the second skew to determine the total skew between the paper edge and the image. Finally, correcting the total skew for subsequent sheets using the first skew and the second skew information. Similar steps can be taken to determine the lateral positioning errors which can then be corrected.Type: ApplicationFiled: March 6, 2009Publication date: September 9, 2010Applicant: Xerox CorporationInventor: Saurabh Prabhat
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Publication number: 20100225722Abstract: A printing system and method combine conventional print and reusable print media functionality in a shared stand-alone system to allow a user flexibility in deciding whether to print a temporary document or an archival permanent document. The system integrates and shares functionality to reduce manufacturing and operating costs, as well as to reduce the device's footprint. Commonality may include a common printhead shuttling mechanism (traversing carriage) and portions of the mechanism for moving paper. Pre-conditioning and printzone conditioning stations may also be shared to achieve precondition heating and/or erasing of media sheets prior to printing and maintaining of an elevated temperature during printing. In embodiments, separate feed trays are provided for each media sheet type.Type: ApplicationFiled: March 9, 2009Publication date: September 9, 2010Applicants: Xerox Corporation, Palo Alto Research Center IncorporatedInventors: Scott A. Elrod, Gerald A. Domoto, Eric J. Shrader, Gabriel Iftime
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Publication number: 20100225729Abstract: An exposing device includes a plurality of exposing units which forms a latent image, wherein exposing units includes: an exposure light source; a rotating polyhedron that reflects light from the exposure light source; a driving source that rotates the rotating polyhedron; a first detecting unit that detects the number of rotations of the driving source; a second detecting unit that detects the light from the exposure light source at a position; and a control unit that performs a first control of the driving source based on a detection signal of the first detecting unit at a start of the rotation of the rotating polyhedron and thereafter performs a second control of the driving source based on a detection signal of the second detecting unit.Type: ApplicationFiled: September 29, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Masaki FUJISE, Yasuhiro ARAI, Kenji KOIZUMI, Hayato YOSHIKAWA
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Publication number: 20100226694Abstract: An image forming apparatus includes: a plurality of image forming units as defined herein; an image carrier as defined herein; a first operation controlling unit as defined herein; a second operation controlling unit as defined herein; a density detecting sensor that detects densities of the images formed on the image carrier; a measuring unit that binarizes a density detection output of the image position deviation correction patterns formed on the image carrier, from the density detecting sensor, and that measures intervals between color patterns of the image position deviation correction patterns, based on the binarized output; and a position deviation correction controlling unit that performs a position deviation correcting control of, when the intervals measured by the measuring unit and of the color patterns in the image position deviation correction patterns are deviated from a predetermined range, correcting position deviation of the toner images formed by the image forming units.Type: ApplicationFiled: August 12, 2009Publication date: September 9, 2010Applicant: Fuji Xerox Co., Ltd.Inventors: Fujio OSAWA, Hajime MISUMI, Hideo KAGEYAMA, Takashi KUBO, Mitsunori SHIOI, Kanou SAITOU, Susumu TAKAGAKI, Tadakazu TSUTEHIRA, Yuji SATO
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Publication number: 20100225961Abstract: A monitoring device includes: a receiving unit that receives information including first use mode information transmitted from a first information processing device; a memory unit that stores the received first use mode information; a creating unit that creates, when the receiving unit receives trouble information together with the first use mode information, a trouble prediction formula corresponding to the trouble information using second use mode information of a second information processing device in which the same trouble as that indicated in the trouble information has occurred; a storing unit that stores the created trouble prediction formula; and a determining unit that determines, when the receiving unit receives third use mode information of a third information processing device, whether or not a trouble in the third information processing device occurs in a high probability based on the stored trouble prediction formula and the received third use mode information.Type: ApplicationFiled: September 15, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Noriyuki Matsuda, Masayasu Takano, Akiko Seta, Koji Adachi, Kaoru Yasukawa, Tetsuichi Satonaga
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Publication number: 20100227071Abstract: A processes for preparing structured organic film (SOF) comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film by reaction of a pre-SOF.Type: ApplicationFiled: March 3, 2010Publication date: September 9, 2010Applicant: XEROX CORPORATIONInventors: Matthew A. HEUFT, Adrien Pierre CÔTÉ, Gregory M. MCGUIRE, Yvan GAGNON
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Publication number: 20100226656Abstract: An optical waveguide includes a first waveguide region and a second waveguide region. The first waveguide region includes a first core, a first clad provided around the first core, and a light reflecting surface. The light reflecting surface has at least one function of (i) reflecting light from a longitudinal direction of the first core toward a direction crossing the longitudinal direction and (ii) reflecting light from the crossing direction toward the longitudinal direction of the first core. The second waveguide region continues from the first waveguide region. The second waveguide region that includes a second core, and a second clad provided around the second core. The second core of the second waveguide region is thinner than the first core of the first waveguide region. A total thickness of the second core and the second clad is smaller than that of the first core and the first clad.Type: ApplicationFiled: August 13, 2009Publication date: September 9, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Takehiro Niitsu, Akira Sakamoto, Masahiro Yoshikawa
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Publication number: 20100226668Abstract: A light-transmissive transfer belt used in the system for determining toner mass amount and methods for making the belt. A system and method, using the transparent transfer belt, is capable of determining an amount of toner mass present on a toner application surface, and the real-time adjustment of parameters controlling xerographic transfer performance in the system. The system comprises transmission-based sensors alone and in combination with reflective-based sensors.Type: ApplicationFiled: March 6, 2009Publication date: September 9, 2010Applicant: XEROX CORPORATIONInventors: Joseph Swift, Eric Gross, Charles Radulski