Patents Assigned to Xerox
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Publication number: 20020187662Abstract: An out-of-plane micro-structure which can be used for on-chip integration of high-Q inductors and transformers places the magnetic field direction parallel to the substrate plane without requiring high aspect ratio processing. The photolithographically patterned coil structure includes an elastic member having an intrinsic stress profile. The intrinsic stress profile biases a free portion away from the substrate forming a loop winding. An anchor portion remains fixed to the substrate. The free portion end becomes a second anchor portion which may be connected to the substrate via soldering or plating. Alternately, the loop winding can be formed of two elastic members in which the free ends are joined in mid-air. A series of individual coil structures can be joined via their anchor portions to form inductors and transformers.Type: ApplicationFiled: May 20, 2002Publication date: December 12, 2002Applicant: Xerox CorporationInventors: David K. Biegelsen, Christopher L. Chua, David K. Fork
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Publication number: 20020186450Abstract: Disclosed is a display comprising an arrangement of a plurality of optically anisotropic rotatable elements, each of the rotatable elements having a surface in contact with an enabling fluid, the rotatable elements being electrically dipolar in the presence of the enabling fluid and thus being subject to rotation upon application of an electric field, the rotatable elements being free to rotate in place but not free to translate substantially so as to disrupt the arrangement of rotatable elements, wherein a first portion of the surface contains a mixture of a chelating agent and a spiropyran material of the formula 1Type: ApplicationFiled: May 24, 2001Publication date: December 12, 2002Applicant: Xerox CorporationInventors: Daniel A. Foucher, Raj D. Patel, Naveen Chopra, Peter M. Kazmaier, Erwin Buncel, James Wojtyk
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Publication number: 20020188759Abstract: A management station responds to an HTTP request for device discovery by spawning a device discovery task that creates a linked list and first broadcasts UDP based requests out on a subnetwork for devices on the same subnetwork to respond. Device information from responding network devices is stored in a linked list. This process is repeated until a specified length of time has expired. Then a second broadcast request is sent out that includes a list of printers that have responded so that they will nor keep responding. The list is updated by responses until there are no more responses. Any nodes in the linked list that still only have a network address are updated by sending a unicast SNMP request those network addresses in order to get the additional information. The data from the linked list is sent back to the HTTP client.Type: ApplicationFiled: August 9, 2002Publication date: December 12, 2002Applicant: Xerox CorporationInventors: Joydeep Roy, Stephen F. Tarr
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Publication number: 20020186989Abstract: An image forming apparatus includes an intermediate transfer member to which a toner image is transferred, a transfer roll for transferring the toner image from the intermediate transfer member onto a recording sheet, a brush roll for removing the residual toner from the intermediate transfer member, and a toner collecting device for collecting the toner attached to the surface of the transfer roll. In the apparatus, an axial length of the intermediate transfer member is longer than that of the brush roll, and the axial length of each of the transfer roll and the toner collecting device is longer than that of the intermediate transfer member.Type: ApplicationFiled: June 7, 2002Publication date: December 12, 2002Applicant: FUJI XEROX CO., LTD.Inventors: Shigeki Nishimura, Yasuyuki Tsutsumi
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Publication number: 20020186452Abstract: A micro-structure template for fabricating ordered arrays of particles includes a top surface and a bottom surface, with the top surface having a plurality of closely-spaced depressions. Particles are disposed in the closely-spaced depressions to form at least one layer of particles.Type: ApplicationFiled: June 11, 2001Publication date: December 12, 2002Applicant: Xerox CorporationInventor: David K. Biegelsen
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Publication number: 20020186286Abstract: A fluid cartridge for dispensing fluid, such as liquid ink for a drop on demand ink jet printer, includes a housing that encloses a capillary chamber, and has an outlet port through the one wall of the housing into the capillary chamber. Capillary material in the capillary chamber is arranged so that it has a higher density adjacent the outlet port than away from the outlet port, to enhance the flow of the fluid toward the outlet port. The interior of the capillary chamber is structured to provide greater compression to the capillary material around the outlet port, and provide stability to retain the variable compression of the capillary material.Type: ApplicationFiled: March 15, 2002Publication date: December 12, 2002Applicant: Xerox CorporationInventors: Bryan J. Roof, Dennis M. Lengyel, Edward M. Carrese, David P. Breemes, Louis F. Lavallee, Sara Reynolds, Hiep H. Nguyen, Eric A. Merz, Christopher S. Mullin
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Patent number: 6493042Abstract: Systems and methods for detecting robust fade and dissolve and video sequences. The systems and methods use a two step approach to detect both discontinuous cuts and gradual changes in a video sequence. Specifically, an input video signal is first divided into video segments based on the location of the discontinuous cut. A gradual change detector is then applied to the discontinuous cut segments to determine further cuts based on editing characteristics. By using this two part approach, the systems and methods of this invention can robustly detect scene breaks within a video.Type: GrantFiled: March 18, 1999Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Gozde Bozdagi, Hong Heather Yu, Steven J. Harrington, Robert Bryll
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Patent number: 6492025Abstract: A composition including: a plurality of microcapsules each including one to five particles in a liquid droplet, and a complex coacervation induced shell encapsulating the liquid droplet and the one to five particles.Type: GrantFiled: November 27, 2000Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Naveen Chopra, Peter M. Kazmaier, Francisco E. Torres
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Patent number: 6493039Abstract: A method and system for reducing white noise in images. The method does not require knowledge of the image blur or noise statistics, and can remove noise without causing excessive image blur. The image is separated into frequency bands which are then thresholded to remove small image changes, i.e. noise, while maintaining larger changes which are signals. The thresholded components are then recombined to produce an output image with reduced white noise.Type: GrantFiled: January 19, 1999Date of Patent: December 10, 2002Assignee: Xerox CorporationInventor: Steven J. Harrington
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Patent number: 6492082Abstract: Disclosed is a toner comprising particles of a resin and an optional colorant, said toner particles having coated thereon a polypyrrole. Another embodiment of the present invention is directed to a process which comprises (a) generating an electrostatic latent image on an imaging member, and (b) developing the latent, image by contacting the imaging member with charged toner particles comprising a resin and an optional colorant, said toner particles having coated thereon a polypyrrole.Type: GrantFiled: November 28, 2000Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Karen A. Moffat, Rina Carlini, Maria N. V. McDougall, Dan A. Hays, Jack T. LeStrange, James R. Combes
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Patent number: 6493731Abstract: A document management system is adapted to operate with a process management system for recording and viewing metadata of a document. The document metadata is used to record resources referenced while the content of the document is developed. The resources are recorded in the document metadata to identify relationships between the resources and the content of the document. The document content includes links that reference the document metadata stored on a remote server. The resources recorded in the document metadata and the content of the document are simultaneously displayed on a user interface of the document management system to provide context for understanding document history. By storing document metadata and document content separately, the metadata of the document remains consistent even when multiple copies of the document are distributed over a network.Type: GrantFiled: January 27, 1999Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Rachel Jones, Paul Dourish, Allan MacLean, Richard Bentley
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Patent number: 6493663Abstract: A document summarizing apparatus generates a comprehensive summary on a group of documents of relatively diverse contents. The structure of documents specified to be processed is analyzed in a phrase analyzing unit to generate analytic trees describing the dependencies between words. An analytic tree scoring unit adds scores to the analytic trees in accordance with their importance. An analytic tree score accumulating unit accumulates scored trees to unify the trees expressing the same concept to increases the scores added to the unified analytic trees. A sentence synthesizing unit then selects the trees with higher scores from within the set of analytic trees stored in the analytic tree score accumulating unit to synthesize a summary from the selected analytic trees. The present invention allows less limitation to be applied to the documents to be processed, as well as a comprehensive summary to be generated.Type: GrantFiled: December 7, 1999Date of Patent: December 10, 2002Assignee: Fuji Xerox Co., Ltd.Inventor: Yoshihiro Ueda
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Patent number: 6493083Abstract: An image registration detection system in a multicolor marking platform determines registration of non-black colors using either the reflectance or the density of a test pattern as a measurement parameter. A method is also provided to determine the degree of registration error of each non-black color using the density of the test pattern. The present invention encompasses any marking platform that develops multicolor images in color separation layers that are in superimposed registration with one another, including electrophotographic and ink marking platforms. The apparatus and method disclosed require less measurement precision than prior color registration methods. Registration measurements can be performed on images formed on a photoreceptor, images transferred to an intermediate substrate, images transferred to a target substrate, or images fused to a target substrate.Type: GrantFiled: December 15, 2000Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Michael A. Parisi, Michael P. Dirkx
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Patent number: 6492967Abstract: A method of making a substrate in which sets of optically anisotropic spheroidal balls are disposed, as for use in an electrical twisting ball display. First and second sets of spheroidal balls, are deposited on a receiving surface composed of an elastomer substrate material in an adhesive state, the spheroidal balls thus deposited adhering to the receiving surface. Balls of the first and second sets are physically distinguishable from one another. Balls of the first set can be deposited in a first arrangement, and balls of the second set, in a second arrangement. Each ball of each set has an optical anisotropy and an anisotropy for providing an electrical dipole moment, the electrical dipole moment rendering the ball electrically responsive such that when the ball is rotatably disposed in an electric field while the electrical dipole moment of the ball is provided, the ball tends to rotate to an orientation in which the electrical dipole moment aligns with the field.Type: GrantFiled: April 26, 2002Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Nicholas K. Sheridon, Jock D. Mackinlay, Maureen C. Stone
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Patent number: 6490960Abstract: A PC board actuator that emulates a muscle fiber includes a first pressure source, a second pressure source lower than the first source, at least one expansion chamber alternately communicating with the first and second pressure sources, first and second valves mounted with the PC board that opens and closes the chamber with respect to the first and second pressure sources, and an actuator member interacting with the expansion chamber to apply a force to the object. The actuator is preferably formed using planar batch technology and the valves preferably comprise electrically controllable flap valves mounted on the PC board. Alternatively, the actuator includes antagonistically arranged expansion chambers that operatively apply reciprocating forces to the object. In other embodiments, the actuator includes plural expansion chambers arranged in series or in parallel in order to increase the overall extent of attainable displacement or to amplify the force generated by the actuator.Type: GrantFiled: July 11, 2001Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Warren B. Jackson, Dave K. Biegelsen, Lars Swartz, Patrick Cheung
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Patent number: 6493463Abstract: A system and method for processing segmentation tags is disclosed. The system comprises a neighborhood analysis module, transition analysis module, and a tag cleaning module. The neighborhood analysis module generates a neighborhood block tag prediction from a block of segmentation tags having a first predefined relationship with a current tag. The transition analysis module generate a transition block tag prediction from a block of segmentation tags having a second predefined relationship with the current tag. The tag cleaning module modifies selected segmentation tags based on the neighborhood block tag prediction and the transition block tag prediction. The method comprises identifying a current segmentation tag to be cleaned; generating a tag prediction from a plurality of segmentation tags having a predefined relationship to the current segmentation tag; and generating a cleaned segmentation tag for the current segmentation tag based upon the current segmentation tag and the tag prediction.Type: GrantFiled: September 9, 1999Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Ramesh Nagarajan, Xing Li, John F. Seward, Jr.
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Patent number: 6493784Abstract: The present invention provides a multiple bus control device and others which can also be applied to access control by a signal having a directional propagation property for implementing various communication between/among modules. Each of plural modules makes a request for communication to a multiple bus control device by sending communication request information for specifying one or more communication partner modules to the multiple bus control device. The multiple bus control device checks an idle state of a module to be communicated and an idle channel in a multiple bus based upon received communication request information and permits communication between a module which sends communication request information using the idle channel and a communication partner module specified in the communication request information.Type: GrantFiled: December 7, 1999Date of Patent: December 10, 2002Assignee: Fuji Xerox Co., Ltd.Inventors: Takeshi Kamimura, Shinobu Ozeki, Kazuhiro Sakai, Kenichi Kobayashi, Masao Funada, Hiroshi Fujimagari
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Patent number: 6493469Abstract: A face-up document scanning apparatus stitches views from multiple video cameras together to form a composite image. The document scanning apparatus includes an image acquisition system and a frame merger module. The image acquisition, which is mounted over the surface of a desk on which a hardcopy document is placed, has two video cameras for simultaneously recording two overlapping images of different portions of the hardcopy document. By overlapping a portion of the recorded images, the document scanning apparatus can accommodate hardcopy documents of varying thickness. Once the overlapping images are recorded by the image acquisition system, the frame merger module assembles a composite image by identifying the region of overlap between the overlapping images. The composite image is subsequently transmitted for display on a standalone device or as part of a video conferencing system.Type: GrantFiled: June 28, 1999Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Michael J. Taylor, William M. Newman
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Patent number: 6493760Abstract: Non token-enabled devices are token-enabled using a token-enabler unit for operation in a distributed environment with mobile computing devices that reference documents using tokens. The mobile computing device is used to configure the token-enabler unit with identifying information of the non token-enabled device. The token-enabler unit, which is not operatively coupled to the non token-enabled device, is either fixedly attached or proximately located near the non token-enabled devices. In operation, mobile computing devices query the token-enabler unit for identifying information of the non token-enabled device, thereby seamlessly integrating the operation of non token-enabled devices with token-enabled devices.Type: GrantFiled: June 28, 1999Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: David L. Pendlebury, Michael G. Lamming, Margery A. Eldridge, Christopher M. Jones, Mark Stringer
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Patent number: 6493702Abstract: A search and recommendation system employs the preferences and profiles of individual users and groups within a community of users, as well as information derived from shared document bookmarks, to augment Internet searches, re-rank search results, and provide recommendations for documents based on a subject-matter query. The search and recommendation system operates in the context of a shared bookmark manager, which stores individual users' bookmarks (some of which may be published or shared for group use) on a centralized bookmark database connected to the Internet. The shared bookmark manager is implemented as a distributed program, portions of which operate on users' terminals and other portions of which operate on the centralized bookmark database.Type: GrantFiled: May 5, 1999Date of Patent: December 10, 2002Assignee: Xerox CorporationInventors: Eytan Adar, Thomas M. Breuel, Todd A. Cass, James E. Pitkow, Hinrich Schuetze