Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein at least one of the charge transport layer and the photogenerating layer contains a zirconocene.
Abstract: An automatic gray balance control system to produce TRCs for all primary colors in a reproduction device and for each pitch of a photoreceptor system by printing target patches for each pitch, measuring the output colors, and automatically readjusting the tone reproduction curves until a satisfactory level of accuracy is obtained as compared to the theoretical desired output. The system produces pitch-based gray balanced TRCs that are updated frequently for each pitch, with different TRCs for different pitches, to ensure consistency in output from pitch to pitch as well as from page to page on a given pitch.
Type:
Grant
Filed:
April 26, 2010
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
R. Enrique Viturro, Lalit Keshav Mestha, Joseph D. Hancock, Tonya L. Love
Abstract: Disclosed herein is printing system comprising a first printer configured to print a first set of data on a document, the first printer including a fuser employing fuser oil, and an in-line spray coater configured to deposit a wax coating on a portion of the document to repel or cover fuser oil. A corresponding method is also described. The method and system are useful for preparing MICR encoded documents such as checks.
Type:
Grant
Filed:
November 16, 2007
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
Kurt I. Halfyard, Christine D. Anderson, Gordon Sisler, T. Brian McAneney
Abstract: A system and a method to protect an image on a substrate. The method includes forming an unfused toner image, partially fusing the unfused toner image at a first temperature by exposing the composition to radiation to prevent disruption of the image upon application of the wax-hybrid composition to form a partially fused toner image, cooling the partially fused toner image to a second temperature, providing a protective coating composition comprising a wax-hybrid, applying the protective coating composition over the partially fused toner image, permanently fixing the protective coating composition and partially fused toner image to form a final printed image.
Type:
Grant
Filed:
July 24, 2008
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
Christine D. Anderson, T. Brian Mcaneney, Christopher A. Wagner, Edward G. Zwartz, Stephan V. Drappel
Abstract: The disclosed method identifies potentially faulty sheets that were printed when the parameters were outside the predetermined normal parameter range and maintains one or more locations of the potentially faulty sheets within the stacks of sheets. If one or more of the stacks of sheets contain one or more of the potentially faulty sheets, the method prints one or more printing fault cover sheets and outputs the printing fault cover sheets to the stacks of sheets that contain the potentially faulty sheets. The printing fault cover sheets identify the locations of the potentially faulty sheets within the stacks of sheets. By providing the printing fault cover sheets and continuing the printing operation, the method can be set to stop the printing only for printing parameters that physically prevent printing, and not for printing parameters that only affect printing quality, thereby maintaining high productivity while still allowing the user to easily locate sheets that potentially have printing faults.
Abstract: Disclosed herein are optimal or near optimal algorithms implemented as software tools that will allow the user/machine to identify optimal media out of the job set automatically. There are at least two main process steps to the exemplary embodiment. The first step involves the off-line characterization of the printing/image rendering system that will be used to extract the principal basis vectors from the experimental data. The second step involves the run-time mode, in which the pre-characterized basis vectors are used in conjunction with an optimal algorithm that will identify the media for re-calibration/re-characterization from the group of media set that the customer is interested to print. The optimal algorithm performs the combinatorial search every time the customer wishes to select the media. Once the optimal media is selected, the customer or the machine can print color patches (which are also optimal set) and execute the rest of the processing to reconstruct the best color management LUTs.
Type:
Grant
Filed:
December 11, 2006
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
Lalit Keshav Mestha, Yao Rong Wang, Zhigang Fan, Alvaro Enrique Gil
Abstract: A printing system comprising: a printing device having a printing portion and a printing control portion; and a cutting device having a cutting portion which cuts a continuous sheet, a conveying portion conveying the continuous sheet, a detecting portion detecting cutting information, and a cutting control portion which controls the cutting portion such that the continuous sheet is cut at a cutting position indicated by the cutting information, when the cutting information is detected at the continuous sheet within a predetermined range from a cutting position at an upstream side in a conveying direction of the conveying portion, and controls the cutting portion such that the continuous sheet is cut at a set length which is set in advance, when the cutting information is not detected at the continuous sheet within the predetermined range from the cutting position at the upstream side in the conveying direction, is provided.
Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a bis(enylaryl)arylamine containing charge transport layer.
Abstract: A signal transmission circuit includes a transmitting circuit for outputting a transmitting signal to a transmission line, a parallel circuit including a capacitor and a first resistance connected between an output terminal of the transmitting circuit and the transmission line, and a series circuit including an inductor and a second resistance connected between an output side of the parallel circuit and a ground.
Abstract: An ink umbilical provides different colors of heated ink to multiple print heads in an integrated structure. The ink umbilical includes a first and a second plurality of conduits, each conduit in the first and the second plurality of conduits having a flat surface between a first end and a second end of the conduit, and a heater having a first side and a second side, the flat surfaces of the conduits in the first plurality of conduits being coupled to the first side of the heater and the flat surfaces of the conduits in the second plurality of conduits being coupled to the second side of the heater to enable the heater to heat ink being carried between the first and the second ends of the conduits in the first and in the second plurality of conduits.
Type:
Grant
Filed:
July 6, 2009
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
Chad David Freitag, Roger G. Leighton, Ivan A. McCracken, Antonio St. Clair Lloyd Williams
Abstract: Disclosed herein are compounds having a formula of: R1—CONH—R6—CONH—C34H64+n—CONH—R6—CONH—R3, R1—NHCO—R6—NHCO—C34H64+n—NHCO—R6—NHCO—R3, R1—CONH—R6—NHCO—C34H64+n—CONH—R6—NHCO—R3, R1—NHCO—R6—CONH—C34H64+n—NHCO—R6—CONH—R3, R1—CONH—R4—CONH—C34H64+n—CONH—R5—CONH—R3, R1—CONH—R4—NHCO—C34H64+n—CONH—R5—NHCO—R3, R1—NHCO—R4—CONH—C34H64+n—NHCO—R5—CONH—R3, R1—NHCO—R4—NHCO—C34H64+n—CONH—R5—CONH—R3, or R1—CONH—R4—CONH—C34H64+n—NHCO—R5—NHCO—R3, wherein n is an integer of 0, 2 or 4, R6 is the same or different cyclic group having from 5 to 8 carbon atoms, R4 and R5 are the same or different and comprise an alkylene having from 1 to about 200 carbon atoms, and R1 and R3 are the same or different and comprise a straight chain or branched alkyl group having from about 3 carbon atoms to about 200 carbon atoms and one or both of R1 and R3 include at least one hydroxyl group substituent, and ink compositions including the compounds as an ink vehicle.
Type:
Grant
Filed:
November 17, 2010
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
Jeffrey H. Banning, Stephan V. Drappel, Michael B. Meinhardt, Randall R. Bridgeman, Alex J. Kugel
Abstract: An image forming apparatus includes: an image bearing body on which surface a solid lubricant is supplied, forming and bearing an image on the surface; a charging member to which a voltage is applied, being in contact with the image bearing body to impart a charge; a voltage applying section that applies the voltage to the charging member, capable of switching the voltage between superimposed voltage on which DC voltage and AC voltage are superimposed and non-superimposed voltage including only DC voltage; an image forming section that forms a toner image; a transfer device that transfers the formed toner image to a transferring body; a cleaning member that contacts the image bearing body to scrape unnecessary substance from the surface; and a voltage switching section that switches the voltage applied to the charging member between the superimposed voltage and the non-superimposed voltage according to an amount of the solid lubricant.
Abstract: A peer-to-peer filing sharing system and method are provided which allow peers in a P2P network system to download segments of a large file in indeterminate order, storing them in a database and making those segments available to other peers in the P2P network system. Given the possibility that only a few peers in the P2P network system may have a complete copy of the file at any given time, the potentially many peers each having a different subset of segments from the total file, can immediately make the segments available to other peers. Given a sufficient number of peers, and a reasonable amount of time, it is highly likely that a complete copy of the file will exist and be distributed throughout the P2P network system, even if the original provider disconnects from the P2P network system or by some other reason becomes unavailable.
Abstract: An electrophotographic photoreceptor includes a conductive substrate; and a photosensitive layer that includes a phthalocyanine pigment, a charge-transporting substance and at least one kind of lignophenol derivative.
Abstract: A sheet stacking tray assembly may include a tray having a lead surface and an elevate plate. The lead surface may include one or more first geometric protuberances. At least one edge of the elevate plate may include one or more second geometric protuberances that are complimentary to the first geometric protuberances. The lead surface may be configured to interlock with the edge of the elevate plate to form a support area for one or more sheets.
Type:
Grant
Filed:
April 29, 2009
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
Colin Jon Partridge, Michael George Snelling, Ian Alan Parks, Julia Allwright
Abstract: Organic thin film transistors with improved mobility are disclosed. The semiconducting layer comprises a semiconductor material of Formula (I): wherein R1 and R2 are independently selected from alkyl, substituted alkyl, aryl, and substituted aryl; and R3 and R4 are independently selected from hydrogen, alkyl, substituted alkyl, aryl, and substituted aryl. A silanized interfacial layer is also present which has alkyl sidechains extending from its surface towards the semiconducting layer.
Type:
Grant
Filed:
April 11, 2008
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
Yiliang Wu, Hualong Pan, Ping Liu, Yuning Li
Abstract: A method of manufacturing an ink stick for use in a phase change ink jet imaging device comprises heating phase change ink material to an extrusion temperature at which the phase change ink material is in a malleable state. The heated ink material is then extruded through an extrusion orifice to form an extruded element. A forging element is then pressed against the extruded element to form an ink stick.
Type:
Grant
Filed:
October 11, 2006
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
Brent Rodney Jones, Frederick T. Mattern, Gustavo J. Yusem, Edward F. Burress, Dan Leo Massopust
Abstract: Toner compositions comprising low-melt toner particles and methods of preparing such toner compositions are provided. The toner particles include a polyester-containing binder, a colorant and an optional wax. The binder includes at least one crystalline polyester resin and at one amorphous acidic polyester resin.
Type:
Grant
Filed:
November 7, 2006
Date of Patent:
June 28, 2011
Assignee:
Xerox Corporation
Inventors:
Lora Marie Field, Valerie Farrugia, Ke Zhou, Guerino G. Sacripante, Michael Hawkins
Abstract: An image processing apparatus includes an area splitting section that splits whole image areas of a first page before edition and a second page which has been edited into plural regions; an alignment section that performs relative alignments between each of the corresponding split regions of the first page image and the second page image, produced by the area splitting section; and an extraction section that extracts edit information from the second page image by comparing the first page image with the second mage image which have been aligned by the alignment section.
Abstract: An image forming apparatus includes: a generating unit that generates a control image representing control information to be used for controlling an operation that is performed by the image forming apparatus; a superimposing unit that superimposes the control image generated by the generating unit on a print image; and an output unit that outputs a superimposed image generated by the superimposing unit performing the superimposition. The control information is to be used for performing a control operation so that a document formed with pages having the superimposed image printed thereon is collectively processed, with the superimposed image representing the control information. The control information contains the total number of pages of the document and the page number of the corresponding page having the superimposed image printed thereon.