| Patent Number |
Title Of Patent |
Date Issued |
| 7511837 |
Partial print provider |
March 31, 2009 |
| A partial print provider in the form of a Dynamically Linked Library (DLL) that implements a portion of a commercial spooler Application Programming Interface (API). The print provider translates between printer and job properties under the commercial spooler to and from printer and job |
| 7511343 |
Thin film transistor |
March 31, 2009 |
| A thin film transistor is disclosed comprising a substrate, a dielectric layer, and a semiconductor layer. The semiconductor layer, which is crystalline zinc oxide preferentially oriented with the c-axis perpendicular to the plane of the dielectric layer or substrate, is prepared by |
| 7510810 |
Cyanoresin polymers and electrophotographic imaging members containing cyanoresin polymers |
March 31, 2009 |
| Cyanoresin polymer reaction products of a hydroxyl-containing polymers and acrylonitrile, where at least one side chain group of the cyanoresin polymer is a cyano group, and electropotographic imaging members containing cyanoresin polymers. |
| 7510256 |
Reflex printing with process direction stitch error correction |
March 31, 2009 |
| A reflex printing device having multiple print heads mounted at different locations around the circumference of the drum at different "angles" and an encoder disk mounted on the drum to allow for detection of the drum position as a function of time. An image defect due to a misalignment |
| 7510182 |
Flexible paper path method using multidirectional path modules |
March 31, 2009 |
| A modular flexible media handling apparatus includes an input module (28) through which flexible media enters the apparatus, at least one main path module (28, 30, 32, 34) through which flexible media passes along a main path (24), at least one lookaside module (36, 38) through which fle |
| 7509084 |
Electrophotographic marking systems with release agents |
March 24, 2009 |
| This is an electrophotographic marking system with the ability to minimize adherence of a marking composition to a fixing component in the system, such as a fuser roll. In this manner, offset is avoided and a better image results on the paper or receiving medium. This is accomplished by |
| 7509076 |
Squarewave charging of a photoreceptor |
March 24, 2009 |
| Charging devices, electrostatic imaging devices, and methods generate a charging waveform having a DC bias component and an AC component for charging the imaging surface of a charge retentive member, the AC component having a substantially squarewave waveform. |
| 7508558 |
Color printing |
March 24, 2009 |
| A method of processing cyan, magenta, and yellow color values C1, M1, Y1 including transforming the C1, M1, Y1 color values to cyan, magenta, and yellow color values C, M, Y in such a manner that each of C, M, Y is not greater than a predetermined maximum value VMAX; obtaining blue, cyan |
| 7507517 |
Toner processes |
March 24, 2009 |
| Continuous processes for producing toner compositions are provided utilizing spinning disc reactors, rotating tubular reactors, or combinations thereof. |
| 7507515 |
Toner compositions |
March 24, 2009 |
| A process for the preparation of color toners whereby the triboelectric charging of the various colors is optimized to permit blending of the colors to form custom colors. |
| 7507513 |
Toner composition |
March 24, 2009 |
| Copolymer encapsulated wax particles and their use in forming toner compositions having particles with a desired circularity and size are provided. |
| 7507510 |
Polyphenyl ether phosphate containing photoconductors |
March 24, 2009 |
| An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl ether of the formula ##STR00001## wherein each R.sub.1, R.sub.2, and R.sub.3 is indepen |
| 7506975 |
Sticky baffle |
March 24, 2009 |
| A printing medium baffle for protecting printheads printing on an image transfer member from particulates associated with the printing medium. The baffle may have one or more adhesive surfaces. |
| 7506870 |
Drive nip release apparatus |
March 24, 2009 |
| In embodiments herein one or more cams are operatively connected to corresponding ones of idler rollers within nip drive assemblies. As the cams rotate, the cams move the idler rollers between a first position biased against the drive rollers and a second position out of contact with |
| 7506328 |
Method and system for optimizing performance of an apparatus |
March 17, 2009 |
| A method for optimizing performance of an apparatus includes interrogating at least one part of the apparatus to obtain information about the at least one part. Once the at least one part is interrogated, instructions for optimizing at least one operation of the apparatus is determined |
| 7506062 |
Scanner-initiated network-based image input scanning |
March 17, 2009 |
| An image input scanner sends image data derived from scanned hard-copy documents directly to the network address of a destination computer which is selected at a user interface of the scanner. A driver at the destination computer activates an image acquisition program when image data |
| 7505723 |
Air knife system with pressure sensor |
March 17, 2009 |
| A fusing assembly includes a fuser member, such as a rotatable fuser roll which, during operation, contacts a sheet of print media to fuse a marking material to the sheet. A stripping apparatus applies gas to the sheet to assist in detaching the sheet from the fuser roll. The stripping |
| 7505722 |
Convective hot air impingement device with localized return paths |
March 17, 2009 |
| This is a pre-heater system especially useful in an electrostatic marking apparatus. It is used to heat the toner and paper (media) prior to the paper entering the conventional fuser station. Using this pre-heater increases fusing productivity (ppm), widens media latitude and/or extends |
| 7505719 |
Composite trim bar for developer system |
March 17, 2009 |
| A device for metering toner to a predefined toner bed height on a donor member, including a composite trim bar having a support portion and a cutting portion, adjacent to the donor member, attached to the support portion. |
| 7505704 |
Lubrication-stripe system for a xerographic printer using an electrostatic cleaning brush and sp |
March 17, 2009 |
| A xerographic printer includes a cleaning system having an electrically biased brush and a spots blade downstream of the brush. At various times a "lubrication stripe" dense toner is placed on a photoreceptor to lubricate the spots blade. In order for the lubrication stripe to reach |
| 7505607 |
Identifying objects tracked in images using active device |
March 17, 2009 |
| Methods are disclosed for augmenting the identification of objects tracked in a sequence of images using active devices. In one embodiment, encoded information transmitted from active devices, such as a PDA, is decoded from the sequence of images to provide identifying information to a |
| 7505180 |
Optical character recognition using digital information from encoded text embedded in the docume |
March 17, 2009 |
| A method for performing optical character recognition (OCR) on an image of a document including text includes embedding a physical manifestation of digital information associated with the text on the document. When the document is scanned with a scanning device, the digital information a |
| 7505173 |
System and method for spatial gray balance calibration using hybrid sensing systems |
March 17, 2009 |
| The method and system for printer color calibration use a combination of a full-width array (FWA) or similar page-scanning mechanism in conjunction with a spectrophotometer color measurement system in the output path of a color printer for measuring colors with or without requiring any m |
| 7505171 |
Full user-intent color data stream imaging methods and systems |
March 17, 2009 |
| Methods and systems in a printer output device for improving color-imaging rendering utilizing an imaging data stream are disclosed herein. An imaging order is generally associated with the imaging data stream for a plurality of images and overlapping objects to be rendered. The imaging |
| 7504951 |
Interface antenna |
March 17, 2009 |
| An interface antenna is positioned between a tag antenna associated with a tag and a reader antenna associated with a reader. The interface antenna receives an electromagnetic carrier signal transmitted by the reader antenna and causes an increase in intensity of the electromagnetic |
| 7504531 |
Processes for preparing difunctional compounds |
March 17, 2009 |
| Processes for preparing diacryl-functional compounds are provided. Processes include reacting AB.sub.2 monomers with acryloyl halides, and then further reacting with long-chain, mono-functional aliphatic compounds to form long-chain diacrylates. Further processes include reacting dif |
| 7504502 |
Guanidinopyrimidinone compounds and phase change inks containing same |
March 17, 2009 |
| Compounds of the formula ##STR00001## wherein, provided that at least one of R.sub.1, R.sub.2, and R.sub.3 is not hydrogen, R.sub.1, R.sub.2, and R.sub.3 each, independently of the other, is hydrogen, alkyl, aryl, arylalkyl, or alkylaryl, and wherein R.sub.1 and R.sub.2 can also be |
| 7504446 |
Aqueous inks containing colored polymers |
March 17, 2009 |
| Disclosed is an ink composition comprising (a) an aqueous liquid vehicle, and (b) a colorant which comprises an anhydride copolymer having at least one chromogen covalently bonded thereto and at least one ester, amide, imide, or thioester group covalently bonded thereto, said colorant be |
| 7504187 |
Mechanically robust imaging member overcoat |
March 17, 2009 |
| The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to an improved electrophotographic imaging member having a p |
| 7503973 |
Nanosized particles of benzimidazolone pigments |
March 17, 2009 |
| A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound; and the presence of the associated stabilizer |
| 7503648 |
Ink consumption determination |
March 17, 2009 |
| An ink jet printer includes an ink supply system and a printhead with nozzles for ejecting ink drops. The printer determines the average size of the ejected ink drops by comparing the number of ink drops ejected in a predetermined time with the quantity of ink delivered through the p |
| 7502703 |
Calibration of the fundamental and harmonic once-around velocity variations of encoded wheels |
March 10, 2009 |
| A method of calibrating once-around and harmonic errors of encoded nips is provided. An encoder with an index pulse is used to measure the velocity and rotation of the driven wheel or idler. The geometry of the drive train and wheel and idler is chosen so that their once around and h |
| 7502580 |
Two component development system using ion or electron charged toner |
March 10, 2009 |
| A development system for an electrophotographic machine in which uncharged toner is stored in a housing having an opening. A rotatable dispensing roll is mounted in the housing opening. An overhung metering blade mounted at the housing opening meters a layer of uncharged toner onto the |
| 7502162 |
Core-shell particles containing fluorescent components for electrophoretic displays |
March 10, 2009 |
| An electrophoretic ink includes fluid having either (a) at least two sets of differently colored particles with the fluid been a substantially clear fluid, or (b) at least one set of colored particles with the fluid been a differently colored fluid than the colored particles, wherein at |
| 7502161 |
Electrophoretic display medium and device |
March 10, 2009 |
| An electrophoretic display medium includes at least one set of colored particles in a dielectric fluid, wherein the dielectric fluid is a silicone fluid, and wherein the display medium has an electrical conductivity of about 10.sup.-11 to about 10.sup.-15 S/m. The display medium is i |
| 7502149 |
Color printing |
March 10, 2009 |
| A method of printing a pixel defined by C, M, Y color values having a sum that is not less than a predetermined maximum value VMAX, including assigning a maximum of the C, M, Y values to max_color; assigning a minimum of the C, M, Y values to min_color; selecting a black color value |
| 7502145 |
Systems and methods for improved line edge quality |
March 10, 2009 |
| Systems and methods for improving image quality of image data to be rendered may be provided using multiple mask MRC files. Such a method may involve processing a first binary bit map of image data to generate a processed binary bit map, assigning an edge tag to at least one pixel in |
| 7502137 |
Automated media selection for imposed print jobs |
March 10, 2009 |
| A method using a printing system comprising a controller programmed for rendering imposed documents given media cost considerations is described. The method includes steps of: evaluating a print job; evaluate media loaded within printer; and determining media print options including |
| 7501150 |
Emulsion aggregation process for forming powder coating compositions, powder coating composition |
March 10, 2009 |
| A process for forming curable powder comprises providing an aqueous dispersion of particles of curable resin and optionally particles comprising at least one curing agent; aggregating the particles optionally with the curing agent to form aggregated particles; coalescing the aggregat |
| 7501015 |
Phase change inks |
March 10, 2009 |
| The phase change ink a viscosity of from about 4 mPa-s to about 50 mPa-s at a first temperature and has a viscosity of from 10.sup.4 mPa-s to about 10.sup.9 mPa-s at a second lower temperature. The second temperature may be below the first temperature by at least 10.degree. C. but by |
| 7500669 |
Registration of tab media |
March 10, 2009 |
| A printing system for printing images onto copy sheets and tab stock includes a media registration transport for transporting a media sheet along a path. The printing system further includes a sensing system having a plurality of sensors positioned in line and orthogonal to the feed |
| 7500668 |
Duplex registration systems and methods |
March 10, 2009 |
| An electrostatographic and/or xerographic machine includes a media path adapted to move a media sheet. Sensors are positioned adjacent the media path. The media sheet has a leading edge and a trailing edge and the sensors are adapted to identify locations of the leading edge and the |
| 7500665 |
Method and device for improving pressure control in a sheet feeder |
March 10, 2009 |
| Disclosed herein is a sheet feeding apparatus including a blower for blowing air through a stack of sheets, and a controller configured to operate the blower at a high power setting for a predetermined time period based upon elapsed off time and to subsequently operate the blower at |
| 7499209 |
Toner compositions for dry-powder electrophoretic displays |
March 3, 2009 |
| Toner particles and a dry-powder electrophoretic display employing such particles are disclosed herein. The toner particles adapted for a dry-powder electrophoretic display comprise emulsion/aggregation particles having a negative charge. At least a portion of the toner particles inc |
| 7499203 |
Color printing |
March 3, 2009 |
| A method of printing a pixel defined by C1, M1, Y1, K1 color values having a sum that is not less than a predetermined maximum VMAX, including obtaining an adjusted cyan color value Cadj that depends on C1 and K1, an adjusted magenta color value Madj that depends on M1 and K1, and an |
| 7499158 |
Positionable calibration target for a digital printer or image scanner |
March 3, 2009 |
| A structure for calibrating an image sensor or other photosensor includes a baffle for passage of a sheet therethrough. A photosensor is disposed to receive light reflected from a sheet passing through the baffle. A selectably-positionable target member has a target surface associated |
| 7498578 |
Method and system for calibrating a reflection infrared densitometer in a digital image reproduc |
March 3, 2009 |
| An enhanced toner area coverage (ETAC) sensor may be calibrated to adjust for changes in LED intensity by determining a functional relationship between specular developed mass per unit area (DMA) values and diffuse readings obtained from the sensor. Specular and diffuse readings are |
| 7498122 |
Solvent-less process for producing transient documents |
March 3, 2009 |
| A solvent-less process for producing a transient document which is capable of self-erasing, wherein the solvent-less process includes a) heating and reacting a photochromic compound and a polymer to form a coating composition, and b) coating the coating composition onto an image-rece |
| 7498112 |
Emulsion/aggregation toners having novel dye complexes |
March 3, 2009 |
| Disclosed is a toner particle having at least binder and colorant. The colorant is a dye complex comprising a dye, a nonionic surfactant and a complexing agent. The toner having this colorant exhibits improved color gamut. |
| 7498109 |
Electrophotographic imaging member undercoat layers |
March 3, 2009 |
| An imaging member including a substrate; a charge generation layer positioned on the substrate; at least one charge transport layer positioned on the charge generation layer; and an undercoat layer positioned on the substrate on a side opposite the charge generation layer, the underc |
