Abstract: A solid ink feed system for a printer includes a longitudinal feed channel having a feed direction, and an insertion key plate having a key plate opening through it to provide access in an insertion direction into the feed channel. The insertion direction is different from the feed direction. The key plate opening has an insertion opening perimeter that includes two lateral opening perimeter segments and a transverse opening perimeter segment. The transverse opening perimeter segment intersects at least one of the lateral opening perimeter segments at an angle other than 180°. The insertion opening perimeter includes a first nonlinear key element on one lateral perimeter segment, a second nonlinear key element on a second lateral perimeter segment, and a third nonlinear key element on the transverse perimeter segment. An ink stick for the solid ink feed system includes an ink stick body having a perimeter shape that substantially matches the insertion opening perimeter.
Abstract: An image forming apparatus includes an image forming section to which a replaceable part is detachably attached and a switching section for switching an operation mode of the image forming section between an approved part mode corresponding to a case wherein an approved part is attached as the replaceable part and a unapproved part mode corresponding to a case wherein a part other than the approved part is attached.
Abstract: Techniques that allow the operations of a program to be intercepted and intervened with are known. These techniques are restricted by the same limited view of the program's data that is currently available at a base level of an object or method. Some aspects need access to more information about the program's data of one or more objects than is available at the base level. An aspect of aspect-oriented programming systems, methods and environments examines the results of a computation at one stage. That aspect affects only subsequent stages of the computation, so that no circularity exists. Custom flow analyses, whether local or global, can also be performed at each stage to propagate non-local information. “Macro” style programming can be reduced or avoided, as programming can be facilitated in terms of manipulating the results of various computational stages instead of in terms of manipulating blocks of code.
Abstract: An imager circuit includes an array of pixels, each pixel including a sensor (photodiode) connected to an input terminal of a comparator. The comparators of each pixel row have output terminals connected to a latch. A counter generates a sequence of digital values that are transmitted to a digital-to-analog converter (DAC) and to the latch of each row. The DAC generates a ramp voltage that is transmitted to a second input terminal of each pixel's comparator. The comparators of a selected pixel column are enabled to generate output signals when the ramp voltage equals each pixel's voltage, causing the associated latches to capture the current digital values. The comparators are formed such that each pixel row shares a cascode mirror circuit that detects differential currents in data line pairs connected to each pixel in that row.
Type:
Grant
Filed:
July 26, 2002
Date of Patent:
November 21, 2006
Assignee:
Xerox Corporation
Inventors:
Jeng Ping Lu, Koenraad F. Van Schuylenbergh
Abstract: In accordance with one aspect of the present invention, disclosed is an image analysis and conversion method and system, where bitmapped ink images are converted to structured object representations of the bitmapped images, which may be read and edited by a structured text/graphics editor.
Type:
Grant
Filed:
January 25, 2002
Date of Patent:
November 21, 2006
Assignee:
Xerox Corporation
Inventors:
Eric Saund, Thomas P. Moran, Daniel Larner, James V. Mahoney, Todd A. Cass
Abstract: An image forming apparatus has an image forming apparatus body, a process cartridge which is provided in this image forming apparatus body so as to be mounted or demounted, a paper feeding tray adapted to be loaded with recording paper, and a small cover which is provided between the process cartridge in a mounted state and the paper feeding tray, and adapted to open or close an insertion inlet of the process cartridge, wherein a space for operating the paper feeding tray is converted into a space for mounting or demounting the process cartridge, by opening the small cover.
Abstract: The present invention provides a process for preparing monoiodinated aromatic compounds that are useful as intermediates for preparing charge transporting and hole transporting amino compounds and have high purity with high yield and at low cost. A process for preparing aryl iodide compounds comprises reacting an aryl halide compound with a metal iodide, a metal catalyst and a catalyst coordinating ligand in at least one solvent to form an aryl iodide; and purifying the aryl iodide. A triarylamine compound and a process for preparing a triarylamine compounds reacting the aryl iodide with a diarylamine is also provided. Further, a photoconductive imaging member comprising a charge transport layer that comprises at least one triarylamine compound prepared reacting the aryl iodide with a diarylamine is provided.
Type:
Grant
Filed:
April 20, 2004
Date of Patent:
November 21, 2006
Assignee:
Xerox Corporation
Inventors:
H. Bruce Goodbrand, Timothy P. Bender, Roger E. Gaynor, Leanne Murphy
Abstract: A system is described for displaying images of a virtual three-dimensional book having one or more virtual pages. The system comprises a display system capable of executing a display program wherein images of the virtual three-dimensional book are produced on the display system. A degree of interest (DOI) function is provided for allocating available space on the display system. A page selection function may provide a user-selectable scale along a long axis of the virtual book for selecting virtual pages. Virtual chapter tabs may also be provided for navigating within the virtual book. The display system may also include a page flipping function with several different page flipping speeds and several different page flipping animations for moving between virtual pages in the virtual book. Moreover, a scroll bar function provided to facilitate page navigation wherein space on the scroll bar is allocated using a DOI function.
Type:
Grant
Filed:
December 21, 2000
Date of Patent:
November 21, 2006
Assignee:
Xerox Corporation
Inventors:
Stuart Kent Card, Richard Carl Gossweiler, III, Allison Gyle Woodruff, Jock Douglas Mackinlay
Abstract: A method and a system for separating an image signal into a set of image planes are disclosed. The system comprises a way to perform resolution conversion from low resolution to high resolution binary images either for synthetic or scanned imagery by using template matching with pattern replacement. More specifically, the invention applies resolution conversion to the selector plane of mixed raster content images. For selector planes in which edges are encoded (vs. region classification), template matching/pattern replacement works well, and does not affect halftoned regions, as they are not encoded in this image.
Abstract: Disclosed are an image processing device and an image processing method capable of generating a high-resolution color image of a fine gray scale from image data of a small information amount by using a small memory capacity. A character graphics image of high resolution generated by a character rasterizing block is converted by a conversion block to image data in which color information of one color is assigned per group of pixels, and tag information indicating whether the color information is used or not is added with respect to the multiple pixels to which the color information is assigned. By the tag information, while maintaining the high resolution, a fine gray scale can be assured. An image decoding block which has received such image data decodes the image data into a color image of output resolution by assigning the color information to the position indicated by the tag information.
Abstract: A system and method for the halftoning of gray scale images by utilizing a pixel-by-pixel comparison of the image against an anisotropic stochastic screen is disclosed. The anisotropic stochastic screen comprises a non-deterministic, non-white noise function which, when thresholded, is designed to produce anisotropic dot patterns having a power spectrum characterized as having negligible low frequency components and a high-frequency region which has an absence of stronger dominant spikes.
Type:
Grant
Filed:
October 31, 2002
Date of Patent:
November 21, 2006
Assignee:
Xerox Corporation
Inventors:
Robert P. Loce, Beilei Xu, Shen-ge Wang
Abstract: An image processing method generates a halftone image by forming a halftone dot represented by a set of one or plural output dots corresponding to an intensity of an input image signal while making a part of the dots constituting the halftone dot to be an actual non-output dot so as to reduce an amount of a coloring material of a halftone-dot portion. The image processing method includes holding in a predetermined storage medium halftone-dot profile data for forming the halftone dot corresponding to the intensity of the image signal and gap-size profile data representing a size of a set of the non-output dot; and generating the halftone dot comprising a gap having a size based on the gap-size profile data, a size of the halftone dot being based on the halftone-dot profile data.
Abstract: A method electronically modifies a compiled executable file, the compiled executable file including a plurality of data elements by compiling source code to created a compiled executable file having a first data structure corresponding to the source code such that the first data structure is realized each time the source code is compiled; rearranging locations of a predetermined number of data elements within the first compiled executable file to create a compiled executable file having a second data structure; and editing address data within the compiled executable file in accordance with the rearranged locations to generate a compiled executable file having a unique second data structure that functions a same way as a compiled executable file having a first data structure. This unique second data structure creates an essentially indelible mark on the software file while maintaining its functionality.
Abstract: A media separator, that cooperates with a media pick to form a nip in a feed path of a media handling apparatus, supports a separation pad that includes first and second friction regions for movement relative to the media separator, against a bias force, in a feed direction of a sheet of media through the nip. The first and second friction regions selectively engage the sheet of media passing through the nip with a retard/separation force determined by the bias force, to retard and control a feeding operation of the sheet of media through the nip, and to feed plural sheets of media through the nip one at a time.
Abstract: For an automatic image diagnosis, toned images or residual toner existing on the photoconductive surface of a photoreceptor may be scanned with light energy provided by the raster scanning system. The light energy, which may be reflected from the photoreceptor surface, may be disturbed due to scattering/absorption in toned or damaged surface regions. The light energy may be directed to image sensors to obtain a spatial image map of the photoreceptor surface in conjunction with pixel clock information present for the raster scanning system. The evaluation may be made based on the spatial image map. Diagnostic and maintenance may then be applied to correct the defect and/or adjust a tone level for a latent image formed on the photoreceptor surface.
Abstract: A toner composition includes core particles including a polymeric latex and an optional colorant, and amino-containing polymer particles dispersed on an external surface of the particles.
Type:
Application
Filed:
May 13, 2005
Publication date:
November 16, 2006
Applicant:
XEROX CORPORATION
Inventors:
Michael Hawkins, Eric Strohm, Richard Veregin, Vladislav Skorokhod, Clive Daunton, Robert Bayley
Abstract: An electrophoretic display includes a transparent polymeric film including at least one cavity including a first particle species and a second particle species. Application of an electrical field causes the first particle species and the second particle species to separate from one another, and align on opposite sides of the cavity. Subsequent electric field applications cause migration of the first and second particle species, affecting a color state of the display. The electrophoretic display may be fabricated from multiple display cells arranged on a substrate.
Type:
Application
Filed:
May 13, 2005
Publication date:
November 16, 2006
Applicant:
XEROX CORPORATION
Inventors:
San-Ming Yang, Ahmed Alzamly, Man-Chung Tam, Peter Kazmaier, Thomas Enright
Abstract: A toner for developing an electrostatic image of the present invention contains toner particles obtained by forming coagulated particles by mixing a resin particle dispersion solution containing dispersed resin particles and a coloring agent dispersion solution containing dispersed coloring agent particles and fusing the coagulated particles by heating them and is characterized in that at least the surfaces of the toner particles have a chemical structure formed by reaction with a compound having a carbodiimido group. The invention also provides a resin particle dispersion solution to be used for the production of toner.
Abstract: Plural versions of an authoring/editing tool for fluid text include both a WYSIWYG editor and a content-driven treetable editor for producing narratives and their behavioral control in a fluid text viewing system environment. The tool includes content-driven treetable visualization and layout mechanisms for authoring and/or editing hypertext narratives, electronic mail threads and other tree-oriented applications. Edit operations are disclosed that permit interactive development and modification of treetables.
Type:
Application
Filed:
July 14, 2006
Publication date:
November 16, 2006
Applicant:
XEROX CORPORATION
Inventors:
Polle Zellweger, Paula Newman, Maribeth Back
Abstract: A method electronically modifies a compiled executable file, the compiled executable file including a plurality of data elements by compiling source code to created a compiled executable file having a first data structure corresponding to the source code such that the first data structure is realized each time the source code is compiled; rearranging locations of a predetermined number of data elements within the first compiled executable file to create a compiled executable file having a second data structure; and editing address data within the compiled executable file in accordance with the rearranged locations to generate a compiled executable file having a unique second data structure that functions a same way as a compiled executable file having a first data structure. This unique second data structure creates an essentially indelible mark on the software file while maintaining its functionality.