Abstract: An impedance transport circuit, which is capable of transporting both AC and DC impedance, utilizes two PMOS transistors and two n-channel transistors with two operational amplifiers. The two operational amplifies cause the drain voltages of all transistors to be equal and therefore transport both the AC and DC input impedance to the output impedance.

Abstract: A method and apparatus for identifying related documents in a collection of linked documents. In the method the link structure of documents to other documents are analyzed. By analyzing only the link structure, a process intensive content analysis of the documents is avoided. A citation analysis technique, such as bibliographic coupling analysis, is performed on the set of documents to extract link information. For bibliographic coupling analysis that information would include the number of other documents that a given pair of documents link to. By using the link information, related documents are identified using a suitable analysis technique, such as clustering or spreading activation.

Abstract: A process for fabricating an electrophotographic imaging member including providing a cylindrical member, depositing on the cylindrical member a coating of a first charge transport layer coating solution by dip coating the cylindrical member in a bath of the first charge transport layer coating solution in a dip coating vessel, the first charge transport layer coating solution including a film forming polymer, a charge transport material, and at least one volatile solvent, the first charge transport layer coating solution having a first predetermined viscosity and the solvent having a viscosity less than the first predetermined viscosity, recirculating undeposited first charge transport layer coating solution from the dip coating vessel to a charge transport layer coating solution vessel and back to the dip coating vessel, repeatedly and sequentially depositing on fresh cylindrical members a coating of the recirculating undeposited first charge transport layer coating solution by dip coating the fresh cylindr

Abstract: An electrophotographic printing machine of the type in which an electrostatic latent image recorded on a charge retentive surface is developed with toner particles to form a visible image thereof. A Hybrid Scavengeless Development (HSD) developer housing designed to control toner emission by employing two internal capture[JMC16], external exhaust manifolds. The location of the two manifolds are placed above and below the upper and lower donor rolls respectively. The manifolds are mounted in position to improve emissions control as well as reductions in the flow needed to accomplish the task. The upper and lower manifolds are able to control the loose toner emitted by the housing and lower powder cloud, they cannot collect the toner released by the upper powder cloud. To prevent toner accumulation in the middle regions of the wire module, a manifold is incorporated as an integral part of the wire module frame.

Abstract: A system and method for controlling the imaging device in a single pass multi color electrophotographic printing machine, includes a photoconductive member defining a timing aperture, the member moving along a path in a printing machine and a plurality of imaging devices, each one of the plurality of imaging devices writing a latent image on the photoconductive member. The system further includes a sensor, located adjacent the photoconductive member, to sense the aperture in the photoconductive member as it passes the sensor and generate a signal indicative thereof and a control device, which generates a timing signal for each of the plurality of imaging devices as a function of the signal generated by the sensor and a plurality of predetermined parameters.

Abstract: Phase change carrier ink compositions made from the combination of at least one urethane resin; at least one urethane/urea resin; at least one mono-amide; and at least one organoleptic maskant constituent are disclosed. The order of addition of the reactants to form the reactant product urethane resin and urethane/urea resin permits the tailoring or design engineering of desired properties.

Abstract: An anti-counterfeit currency detection method is disclosed wherein local edge information is utilized for accurately detecting lines and curves of legitimate notes. The method can more accurately determine the location and orientation of a pattern and thus provides more reliable currency detection. A detector is trained off-line with example notes resulting in a stored template generated by recording a test pattern similar to a pattern to be tested; anchor lines are identified within said template which are further represented in subsequent test patterns. The template is rotated and shifted before matching it to the test pattern so that anchor lines align with long lines detected within the test pattern. The template and test pattern are then compared to determine whether there is a match.

Abstract: A layered particle for use in forming toner may be formed by forming a core region; polymerizing in the presence of the core region at least one monomer feed to form at least one intermediate layer on the core region; and polymerizing in the presence of the core region with at least one intermediate layer thereon a final monomer feed. In the process, each monomer feed is different from the previous monomer feed so as to form different polymer layers.

Abstract: A carrier comprised of a carrier core, optional polymer coating, and fluorosilanated pigment coating.

Abstract: Apparatus and method for scheduling toner patch creation at a first frequency and monitored for implementing diagnostics for a color image processor's systems parameters and system fault conditions in a manner that minimizes the waste of toner materials without compromising image quality. In the presence of a fault condition the toner patches are created at a different frequency. The number of toner patches required for the control is reduced through the use of complementary color toner patches in lieu of use of color patches for each individual toner colors.

Abstract: A liquid developer comprised of a nonpolar liquid, resin, colorant, and a charge acceptance component comprised of an aluminum complex of the formulas, or mixtures thereof wherein R1 is selected from the group consisting of hydrogen and alkyl, and n represents the number of R1 substituents.

Abstract: Arrays of light emitting diodes, and LED printbars and electrophotographic marking machines that use arrays of light emitting diode, that have active area geometries that produce compact irradiance profiles. Compact irradiance profiles are achieved by placing the diode electrodes along the outer periphery of the light emitting active areas. When used with gradient index lenses, such light emitting diodes produce light spots having more compact irradiance profiles. When such light emitting diodes and gradient index lenses are incorporated into LED printbars, and when those printbars are used in expose stations of electrophotographic marking machines, improved composite images can result.

Abstract: Elastomer surfaces and methods for providing elastomer surfaces on a supporting substrate which include a) dissolving an elastomer in an effective solvent, b) adding an adhesive primer to form an elastomer and primer solution, wherein the adhesive primer is preferably a vinyl siloxane, and c) subsequently providing at least one layer of the elastomer and primer solution to the supporting substrate to form a topcoat layer.

Abstract: A process for the preparation of an ink which comprises mixing an ink vehicle, a colorant and a latex containing a polymer with epoxy groups, and wherein said latex is generated by the polymerization of a mixture of olefinic monomers, and wherein at least one of said olefinic monomers is an unsaturated epoxide monomer and which polymerization is accomplished in the presence of an anionic surfactant, and a nonionic surfactant.

Abstract: Disclosed is a recording sheet which comprises a substrate and a material selected from the group consisting of oxazole compounds, isooxazole compounds, oxazolidinone compounds, oxazoline salt compounds, morpholine compounds, thiazole compounds, thiazolidine compounds, thiadiazole compounds, phenothiazine compounds, and mixtures thereof. Also disclosed is a recording sheet which consists essentially of a substrate, at least one material selected from the group consisting of oxazole compounds, isooxazole compounds, oxazolidinone compounds, oxazoline salt compounds, morpholine compounds, thiazole compounds, thiazolidine compounds, thiadiazole compounds, phenothiazine compounds, and mixtures thereof, an optional binder, an optional antistatic agent, an optional biocide, and an optional filler.

Abstract: A method and apparatus for the control of darkness/lightness in a digital image rendered by a printing system. The technique preferably employs templates to selectively apply different amounts of darkening (lightening) to borders of structures detected within the image dependent upon the need for darkening (lightening).

Abstract: A system and method classify a pixel of image data as one of a plurality of image types. A first image characteristic value for the pixel, a second image characteristic value for the pixel ,a third image characteristic value for the pixel, and a fourth image characteristic for the pixel is determined. Some of these determinations may be resolution dependent. The values from these determination are utilized in assigning an image type classification to the pixel. Moreover, if at least one of the image characteristic values is greater than a predetermined threshold value the pixel is classified as a halftone peak value.

Abstract: A multi-scanning system or image processing system includes a plurality of sensors, each of the sensors scanning a portion of the document to produce image data. Each of the sensors overlaps adjacent ones of the sensors so that the image data includes overlapped image data. The image data from the sensors is stitched together to form a complete image. The stitching may be performed by a weighted averaging of the data or by varying stitch location within the data. This stitching is useful in eliminating visible image defects created the misalignment of pixels between adjacent sensors.

Abstract: A photoconductive imaging member comprised of a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein said photogenerating layer is comprised of a mixture of a hydroxygallium phthalocyanine and a tetrafluoro hydroxygallium phthalocyanine.