Patents Assigned to Xerox
  • Patent number: 6610972
    Abstract: In a photosensitive scanning apparatus, in which a plurality of chips are aligned to form a single linear array of photosensors, gaps of unknown width between photosensors on adjacent chips may have an effect on resulting image quality. A set of simple strategies can be used to overcome the problem. In a first strategy, for each chip, interpolation of output values of the photosensors is used to in effect displace the outputs of the photosensors by a predetermined amount toward a gap; within constraints, the predetermined displacement can be used without actual measurement of any gap width. In a second strategy, an interpolated output of a theoretical “phantom photosensor” disposed toward the gap is added to the output stream from each chip.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: August 26, 2003
    Assignee: Xerox Corporation
    Inventor: Alain E. Perregaux
  • Publication number: 20030156124
    Abstract: Techniques for displaying contextual information in clipped views of two-dimensional workspaces are provided. A method for indicating an object includes: providing a workspace having a viewed space and a populated space, the viewed space being delineated by a border; determining an object in the populated space; determining a direction of the object from the viewed space; and indicating the object with an indicator on the border of the viewed space in the direction of the object. The distance of the object may determine the appearance of the indicator. The indicator may also show a user's interest. An object indicating system includes: an object determination circuit that determines an object in a populated space and a direction of the object from a viewed space; and an indicator mapping block that indicates the object with an indicator on a border of the viewed space in the direction of the object.
    Type: Application
    Filed: February 21, 2003
    Publication date: August 21, 2003
    Applicant: XEROX CORORATION
    Inventors: Lance E. Good, Mark J. Stefik, Jock D. MacKinlay, Polle Zellweger, Patrick M. Baudisch
  • Publication number: 20030156753
    Abstract: A method for enhancing color fidelity in multi-reproduction, includes scanning an image to be reproduced, wherein the image contains an invisible digital watermark including color information; decoding the color information contained in the watermark; comparing the decoded color information with the scanned image; generating a correction table from the differences between the decoded color information and the scanned image; and performing color correction on the scanned image using the correction table. This method confines the color error to one generation, even when copies go through multiple reproduction.
    Type: Application
    Filed: February 21, 2002
    Publication date: August 21, 2003
    Applicant: Xerox Corporation
    Inventors: Zhigang Fan, Shen-Ge Wang, Hui Cheng
  • Publication number: 20030158723
    Abstract: A parsing section applies parsing processing to each of sentences, which is a target sentence and outputs parsing result candidates such as candidates of a modification relation of the sentence. A semantic analysis section performs semantic analysis processing on the target sentence and outputs semantic analysis result candidates such as candidates of a case frame of the sentence. A semantic analysis result determining section has a user interface for presenting the semantic analysis result candidates to a user so as to allow the user to select a correct semantic analysis result. A semantic analysis result is determined by the selection of the user. A parsing result determining section determines a parsing result based on the determined semantic analysis result and the analysis result information. A tagging section performs tagging with tags indicating syntactic information upon the target sentence on the basis of the determined parsing result.
    Type: Application
    Filed: February 20, 2003
    Publication date: August 21, 2003
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Hiroshi Masuichi, Tomoko Ohkuma
  • Publication number: 20030158828
    Abstract: A data classifier performs a data classification process using prototypes classified into clusters. A prototype map is formed using mapping means and clustering means. The mapping means forms, through learning, a prototype map by adjusting coupling weights between a plurality of prototypes provided in a map space based on a plurality of input data. The clustering means calculates a predetermined measure between the prototypes and classifies the prototypes into a plurality of clusters based on the measure.
    Type: Application
    Filed: January 30, 2003
    Publication date: August 21, 2003
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Hitoshi Ikeda, Noriji Kato, Hirotsugu Kashimura
  • Publication number: 20030156867
    Abstract: The present invention relates to an electrophotographic system, having a member which includes a surface layer and also may include a base layer. The surface layer is prepared from a surface layer composition which includes a fluoroelastomer and a boron nitride filler coupled with a silane.
    Type: Application
    Filed: February 19, 2002
    Publication date: August 21, 2003
    Applicant: Xerox Corporation
    Inventors: Patrick J. Finn, Dennis M. Dudek
  • Publication number: 20030156141
    Abstract: When a user is engaged in sensemaking using a media, the user's work involves navigating to previously visited view places in the workspace. To achieve this, a workspace is navigated by obtaining a history list that may include a degree of interest and/or location information related to previous view places, and navigating the workspace based on the history list. The workspace may be further navigated by retrieving the location information related to one of the previous view places from the history list, and displaying the previous places based on the location information. The history list may be constructed by detecting an activity in a current view place, determining a degree of interest of the current view place based on the activity, and storing the degree of interest and the location information.
    Type: Application
    Filed: February 21, 2003
    Publication date: August 21, 2003
    Applicant: XEROX CORPORATION
    Inventors: Lance E. Good, Mark J. Stefik
  • Publication number: 20030155426
    Abstract: An edge coding scheme for an encoded sheet material includes an offset mark located at an offset distance from a reference mark on the edge of the sheet material and a plurality of equally spaced clock marks disposed along the edge, such that the offset distance can be approximated by the product of the number of clock marks between the reference mark and the offset mark times the distance between successive clock marks. Another embodiment of the edge coding scheme includes coincidence between a first plurality of equally spaced apart clock marks and a second plurality of equally spaced Vernier marks, wherein the second plurality is less than the first plurality.
    Type: Application
    Filed: February 19, 2002
    Publication date: August 21, 2003
    Applicant: Xerox Corporation
    Inventor: Jean-Luc Meunier
  • Publication number: 20030159110
    Abstract: A structured document inputted from a document input unit is decomposed into partial structures to be an editing unit in a document processing unit, and global structural information showing a relation between the partial structures is registered into a relational database. The decomposed partial structure is inputted to an editing unit processing unit, and information of elements as element information and a relation between elements in the partial structure as structural information are registered into the relational database. An ancestor-descendant relation between two elements can be determined easily and speedily by determining an ancestor-descendant relation between the partial structures of the global structural information and an ancestor-descendant relation of the structural information of the ancestor partial structure.
    Type: Application
    Filed: December 14, 2001
    Publication date: August 21, 2003
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kenichi Numata, Shigehisa Kawabe, Masao Nukaga, Toshifumi Yamada, Minoru Ikeda, Kazuhiko Higashi, Miho Yamada
  • Publication number: 20030155489
    Abstract: Laser light output from a laser light source is irradiated onto a transmission-type scale. Due to movement of the transmission-type scale, a polarization angle of transmitted light varies in accordance with variations in orientations of half-wave plates arrayed in a longitudinal direction. It is difficult for the polarization angle to be affected by noise factors such as external light or the like. Light intensity of a polarized light component, which is transmitted through an analyzer and detected at a photo-detector, varies in accordance with the polarization angle. Thus, the light intensity varies as the transmission-type scale moves, and a detection signal is output to a movement amount computing device. When an amount of movement is computed on the basis of the signal, the exact amount of movement can be detected.
    Type: Application
    Filed: September 4, 2002
    Publication date: August 21, 2003
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shin Yasuda, Katsunori Kawano, Jiro Minabe, Tatsuya Maruyama, Masaaki Shimizu
  • Publication number: 20030157420
    Abstract: An apparatus for forming an image is provided that can sufficiently prevent occurrence of nibbled images without any damage of the photoreceptor and the intermediate transfer body, whereby good image quality can be stably obtained for a long period of time. In an apparatus for forming an image having an intermediate transfer body, the surface of the photoreceptor has a dynamic hardness of 8×109 N/m2 or more, and the surface of the intermediate transfer body has a dynamic hardness larger than that of the surface of the photoreceptor, and a difference between the dynamic hardness of the surface of the photoreceptor and the dynamic hardness of the surface of the intermediate transfer material is 2×1010 N/m2 or less.
    Type: Application
    Filed: November 8, 2002
    Publication date: August 21, 2003
    Applicant: Fuji Xerox Co. Ltd.
    Inventors: Koji Bando, Masahiko Hodumi, Takahiro Suzuki, Kazuhiro Koseki
  • Publication number: 20030159113
    Abstract: 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 step-wise manner, and recognizability of the text segment is maintained, even if the final representation of the text does not carry a full meaning and/or is not independently comprehensible, because of the impression left in the mind of the user by the step-wise reduction of the text segment. The reduction may be animated.
    Type: Application
    Filed: February 21, 2003
    Publication date: August 21, 2003
    Applicant: XEROX CORPORATION
    Inventors: Benjamin B. Bederson, Lance E. Good, Mark J. Stefik
  • Publication number: 20030159107
    Abstract: To reduce required display space, a text segment is reduced in size by successively eliminating portions of the text segment in an animated fashion. The reduction is thus visually represented in a way that maintains recognizability of the text segment, even if the final representation of the text does not carry a full meaning and/or is not independently comprehensible, because of the impression left in the mind of the user by the animated reduction of the text segment. The reduction may include reducing a size of text of the text segment and/or a spacing between characters of the text segment.
    Type: Application
    Filed: February 21, 2003
    Publication date: August 21, 2003
    Applicant: XEROX CORPORATION
    Inventors: Benjamin B. Bederson, Lance E. Good, Mark J. Stefik
  • Publication number: 20030157243
    Abstract: An apparatus including: a movement device that moves an object to be coated; a slot die coater equipped with a position sensor mounted on at least one end of the slot die coater and which slot die coater controllably dispenses coating material onto the moving object; and at least one servor motor-controller system in electrical contact with the position sensor, wherein the position sensor senses the position of the slot die coater relative to the object and wherein the at least one servor motor-controller system adjusts the position of the slot die coater relative to the object if the position of the slot die coater relative to the moving substrate deviates from a set of predetermined coordinates.
    Type: Application
    Filed: February 19, 2003
    Publication date: August 21, 2003
    Applicant: Xerox Corporation
    Inventors: Thomas A. Trabold, Robert F. Dunham, John M. Hammond
  • Patent number: 6606945
    Abstract: Disclosed herein is a continuous medium printing apparatus for performing printing on both sides of a continuous medium. The continuous medium printing apparatus comprises: a conveyance system; a printing section; a feed-force adjustment section disposed on a downstream side of the conveying path from the printing section; and a feed-force control section. The conveyance system has a pair of conveyor rollers disposed on a downstream side of the conveying path from the printing section so that they are opposite to each other with the continuous medium therebetween, feed force being applied to the continuous medium by rotating the pair of conveyor rollers with said continuous medium clamped therebetween. The feed-force adjustment section varies said feed force by adjusting pressure of said pair of conveyor rollers with respect to the continuous medium.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: August 19, 2003
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Katsuya Shimatsu, Yasuharu Takeuchi, Kiyoshi Chinzei
  • Patent number: 6607320
    Abstract: An apparatus for processing a substrate on two sides. A substrate has a first edge as a leading edge in a process direction and a first side in a face-up orientation. In one embodiment, the apparatus comprises an input pathway for receiving the substrate from a substrate processing station, a station for processing the face-up side of the substrate, a reversion pathway for reverting the substrate and returning the reverted substrate to the input pathway. After reversion, a second side of the substrate is in the face up orientation and the first edge is the leading edge. A merge point merges the reverted substrate into the input pathway for processing the face-up side of the substrate in the print station.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: August 19, 2003
    Assignee: Xerox Corporation
    Inventors: Daniel G. Bobrow, Warren B. Jackson, David Kalman Biegelsen
  • Patent number: 6607864
    Abstract: An image forming method makes the warming-up time short, enables the formation of high-quality images even when fixing is performed continuously at high speed, and restrains degradations of the image quality, such as non-uniformity of gloss and non-uniformity of coloration even under high-temperature and high-humidity conditions. The method uses a toner that is wide in fixing range and is especially excellent in low-temperature fixing property. The method contains a process of melting and thereby fixing a toner image formed by unfixed toner, by heating a heating member that is in contact with the toner image. The surface of the heating member or its vicinity that is in contact with the toner image generates heat, and the toner contains at least a colorant and a binder resin having a crystalline resin with a number average molecular weight of 1500 or more as the main component.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: August 19, 2003
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Manabu Serizawa, Katsumi Daimon, Hirokazu Hamano, Yuka Ishihara, Norihito Fukushima, Takashi Imai
  • Patent number: 6608978
    Abstract: A paper-conserving method for printing a document, which includes determining the number of pages in a document to be printed and automatically selecting a paper conserving print layout for the document when at least two pages are detected. When the document has two or more pages, the layout includes duplexing. When the document has 3 or more pages, the layout will be N-up, where N has a value of at least 2.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: August 19, 2003
    Assignee: Xerox Corporation
    Inventors: Alan K. Robertson, Jean S. Beha
  • Patent number: 6608643
    Abstract: An apparatus for correcting beam-to-beam spacing error on an image plane of a photoreceptor includes a controller which generates beam-to-beam spacing error corrections signals, a plurality of optical elements, each of which is adjustable and responsive to beam-to-beam spacing error correction signal and a gray level measurement device. The controller performs the beam-to-beam spacing error correction analysis, determining whether or not a correction is necessary, and if so, which optical element to adjust and the magnitude of adjustment. Enhanced toner area coverage sensors are used to detect the gray level of a toned area of raster scan line patterns at various locations across the photoreceptor image plane. By repeatedly evaluating the beam-to-beam spacing error during operation, the apparatus of the invention is able to correct beam-to-beam spacing errors that may develop during operation and does not permit residual errors to persist even after an initial correction has been implemented.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: August 19, 2003
    Assignee: Xerox Corporation
    Inventors: Robert M. Lofthus, Patrick Y. Maeda, Daniel W. Costanza, Kristine A. German, Fred F. Hubble, III, Robert P. Loce
  • Patent number: 6607321
    Abstract: A method and an apparatus for a medium indexing device, such as an ink jet printer, that includes utilizing greater torque generated by a motor at lower speed and lower torque available by the motor at higher speeds. Motion profiling during acceleration and deceleration is designed to better utilize available torque provided by the motor in order to quickly position the medium during start-stop operations and to reduce the maximum power or speed required of the motor during the indexing operations. The motor may include a stepper or servo motor, and may apply to medium indexing devices other than printers. In addition, a velocity discontinuity in motor speed is provided near the stop position to prevent the medium from overshooting the intended stop position.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: August 19, 2003
    Assignee: Xerox Corporation
    Inventor: Roger Guy Markham