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| Number | Title | Issue Date |
| 7230738 | System for spectral multiplexing of source image to provide a composite image with noise encoding to increase image confusion in the composite image, for rendering the composite image, and for spectral demultiplexing of the composite image Methods and apparatus for spectrally-encoding plural source images and for providing the spectrally-encoded plural source images in a composite image, for rendering the composite image in a physical form, or for recovering at least one of the encoded source images f... | 06/12/2007 |
| 7218785 | Systems for spectral multiplexing of source images to provide a composite image, for rendering the composite image, and for spectral demultiplexing of the composite image Methods and apparatus for spectrally-encoding plural source images and for providing the spectrally-encoded plural source images in a composite image, for rendering the composite image in a physical form, or for recovering at least one of the encoded source images f... | 05/15/2007 |
| 7215792 | Systems for spectral multiplexing of source images to provide a composite image with gray component replacement, for rendering the composite image, and for spectral demultiplexing of the composite image Methods and apparatus for spectrally-encoding plural source images and for providing the spectrally-encoded plural source images in a composite image, for rendering the composite image in a physical form, or for recovering at least one of the encoded source images f... | 05/08/2007 |
| 7197644 | Systems and methods for providing hardcopy secure documents and for validation of such documents A secure document processing system for receiving an original document and for printing a secure hardcopy version of the original document, wherein the secure hardcopy version includes a machine-readable encoded image signature which represents an image segment of t... | 03/27/2007 |
| 7161705 | Parallel printing system having modes for auto-recovery, auto-discovery of resources, and parallel processing of unprotected postscript jobs A printing system comprised of a printer, a plurality of processing nodes, each processing node being disposed for processing a portion of a print job into a printer dependent format, and a processing manager for spooling the print job into selectively sized chunks ... | 01/09/2007 |
| 7136522 | Systems for spectral multiplexing of source images to provide a composite image, for rendering the composite image, and for spectral demultiplexing of the composite image to animate recovered source images Methods and apparatus for spectrally-encoding plural source images and for providing the spectrally-encoded plural source images in a composite image, for rendering the composite image in a physical form, or for recovering at least one of the encoded source images f... | 11/14/2006 |
| 7130488 | Systems for spectral multiplexing of source images including a textured source image to provide a composite image, for rendering the composite image, and for spectral demultiplexing of the composite image Methods and apparatus for spectrally-encoding plural source images and for providing the spectrally-encoded plural source images in a composite image, for rendering the composite image on a substrate, or for recovering at least one of the encoded source images from ... | 10/31/2006 |
| 7127112 | Systems for spectral multiplexing of source images to provide a composite image, for rendering the composite image, and for spectral demultiplexing of the composite image by use of an image capture device Methods and systems for spectrally-encoding plural source images and for providing the spectrally-encoded plural source images in a composite image, for rendering the composite image on a substrate, and for recovering at least one of the encoded source images from t... | 10/24/2006 |
| 6972857 | Method and apparatus for controlling consumable use in an image-rendering device Method and apparatus for controlling consumable use in an image-rendering device. More particularly, the invention relates to a image-rendering device that facilitates the limitation of page costs of color documents by establishing a threshold cost limitation and co... | 12/06/2005 |
| 6958828 | Method and apparatus for detecting photocopier tracking signatures A method and apparatus are described for detecting photocopier tracking signatures placed on documents produced by color photocopiers. The apparatus includes an input terminal that supplies digital image data representing an input document produced by a color photoc... | 10/25/2005 |
| 6925281 | Method and apparatus for finishing a receiver sheet or similar substrate Method and apparatus for finishing a receiver sheet or similar substrate by providing a protective coating on the receiver sheet for the benefit of, for example, protecting an image resident thereon. Such coating is created by applying and fusing a mixture containin... | 08/02/2005 |
| 6821700 | Apparatus and method for non-interactive electrophotographic development and carrier bead composition therefor An apparatus and method for non-interactive, dry powder development of electrostatic images includes an image bearing member bearing an electrostatic image; two component developer comprising toner and permanently magnetized thickly coated carrier beads, the coated ... | 11/23/2004 |
| 6668093 | Method for improving dictionary-based compression by ordering raster data A method and apparatus for compressing and decompressing electronic documents, with improved compression and reduced history memory size requirements. The method includes receiving scan line ordered raster documents ordering the raster data, and compressi... | 12/23/2003 |
| 6646762 | Gamut mapping preserving local luminance differences A color printing process, printing a color image in which out-of-gamut original colors are present. For each pixel defined by an original color which is determined to be out of gamut, a gamut remapping process is applied to map each pixel to a color which... | 11/11/2003 |
| 6560436 | Electrodynamic transfer system Method and apparatus for improved transfer of charged developing material to a substrate in an electrophotographic printing apparatus by applying an oscillatory bias voltage to the charged developing material. The printing apparatus includes a toner trans... | 05/06/2003 |
| 6553205 | System for toner cleaning A toner cleaning system for cleaning a toner from a supporting surface, including a movable member having a carrier permeable segment that features a porous structure. The movable member is actuated to engage the supporting surface so as to receive theref... | 04/22/2003 |
| 6438332 | Method and apparatus for toner cake delivery An imaging system for effecting electrostatic printing of an image, wherein the imaging system includes at least one contact electrostatic printing engine operable in a novel fashion upon a copy substrate, for imaging and development of a latent image rep... | 08/20/2002 |
| 6377773 | Efficient heating of intermediate transfuse member Efficient and uniform heating of a thick transfuse member, wherein the transfuse member is constructed in the form of a transfuse belt that is subject to heating at both front and rear surfaces. An elongated cavity is defined by a portion of the path of t... | 04/23/2002 |
| 6362845 | Method and apparatus for electrostatographic printing utilizing an electrode array and a charge retentive imaging member An electrostatic recording medium includes a charge retentive layer located on a conductive substrate. An image recording surface on the charge retentive layer includes an array of discrete, conductive segments present in the image recording surface. A mu... | 03/26/2002 |
| 6321043 | Control of halftone and solid area image quality by way of a halftone discharge ratio In an electrostatic and development control in a printing apparatus, unwanted variation in dot size and shape may be stabilized and the DMA variability under halftone control may be decreased, by use of a novel halftone discharge ratio (HTDRmidtone | 11/20/2001 |
| 6311035 | Reprographic system operable for direct transfer of a developed image from an imaging member to a copy substrate An imaging system for effecting electrostatic printing of an image, wherein the imaging system includes at least one contact electrostatic printing engine operable in a novel fashion upon a copy substrate, wherein the contact electrostatic printing engine... | 10/30/2001 |
| 6289191 | Single pass, multicolor contact electrostatic printing system Imaging system for effecting single pass, multicolor printing of a color image, wherein the imaging system includes a plurality of contact electrostatic printing engines operable in serial fashion upon a copy substrate, wherein each contact electrostatic ... | 09/11/2001 |
| 6272255 | Method and apparatus for pre-processing mixed raster content planes to improve the quality of a decompressed image and increase document compression ratios An improved technique for processing a color or gray scale pixel map representing a document is disclosed. The pixel map is decomposed into a three-plane representation, a reduced-resolution "upper" plane, a reduced-resolution "lower" plane, and a high-re... | 08/07/2001 |
| 6256416 | Blocking signature detection for identification of JPEG images A method detects if an image is compressed. The method determines a block grid within the image and establishes blocks from the determined grid. The method then computes differences between samples inside the established blocks and differences between sam... | 07/03/2001 |
| 6256468 | Toner cake delivery system having a carrier fluid separation surface An imaging system for effecting electrostatic printing of an image, wherein the imaging system includes at least one contact electrostatic printing engine operable in a novel fashion upon a copy substrate, for imaging and development of a latent image rep... | 07/03/2001 |
| 6219501 | Method and apparatus for toner cake delivery An imaging system for effecting electrostatic printing of an image, wherein the imaging system includes at least one contact electrostatic printing engine operable in a novel fashion upon a copy substrate, for imaging and development of a latent image rep... | 04/17/2001 |
| 5997708 | Multilayer integrated assembly having specialized intermediary substrate A multilayer integrated assembly for effecting fluid handling functions includes complementary microstructures formed by an etching or similar process in a planar foldable substrate. The complementary microstructures may be superimposed in a controlled ma... | 12/07/1999 |
| 5988703 | Fluid connector system for a planar manifold assembly A fluid connector system for connecting a conduit having a fluid-bearing capability to a channel having a fluid-bearing capability in a planar manifold assembly, thereby providing a substantially leak-free fluid communication between the conduit and the c... | 11/23/1999 |
| 5954862 | Sample inlet liner A sample inlet liner includes an internal surface barrier wherein the surface barrier is situated so as to circumvent undesirable reactions between the sample and the liner. The barrier surface composition includes PTFE to an extent sufficient to reduce o... | 09/21/1999 |
| 5954079 | Asymmetrical thermal actuation in a microactuator A microminiature valve having an actuator member that includes a central body suspended on radially spaced legs, with each leg having first and second layers of materials having substantially different coefficients of thermal expansion. The legs include h... | 09/21/1999 |
| 5948141 | Method and apparatus for purification of a discharge gas Method and apparatus for purification of a discharge gas, wherein the discharge gas is selected from a group of noble gases, and most preferably is helium or argon. The purification of the discharge gas is achieved by attraction and removal of at least on... | 09/07/1999 |
| 5948531 | Propylene-bridged bidentate silanes The present invention provides propylene-bridged bidentate silane reagents for modifying the surface of liquid chromatography supports, these supports and methods of making and using the same. When bonded to the surface of a support material, the resultin... | 09/07/1999 |
| 5942675 | Oven cavity insert in an analytical instrument Energy efficiency of a thermal zone in an analytical instrument is improved by use of an oven cavity insert that may be removably positioned in an insulated enclosure in an oven cavity housing, whereby the combination of the oven cavity insert and one or ... | 08/24/1999 |
| 5935430 | Structure for capturing express transient liquid phase during diffusion bonding of planar devices A miniaturized planar device formed of first and second planar substrates that may be superimposed and diffusion bonded to form a single, planar integrated assembly. Each of the first and second planar substrates include respective component sections havi... | 08/10/1999 |
| 5931785 | Ultrasonic transducer having elements arranged in sections of differing effective pitch An ultrasonic imaging system may include a transducer array having a novel distribution of transducer elements. Preferred embodiments of the system include a transducer having a linear, curved linear, or matrixed array of piezoelectric transducer elements... | 08/03/1999 |
| 5920072 | Ionization detector An ionization detector having an upper ionization chamber, a lower ionization chamber, and a radioactive source located in the upper ionization chamber but shielded from the lower ionization chamber by a barrier. A substantially constant fluid stream of d... | 07/06/1999 |
| 5905192 | Method for identification of chromatographic peaks Method and apparatus are provided for peak identification of sample peaks in a chromatogram, wherein at least one group of standard peaks in standard peak series is matched to at least one group of sample peaks in a sample peak series so as to perform pro... | 05/18/1999 |
| 5888390 | Multilayer integrated assembly for effecting fluid handling functions A multilayer integrated assembly for effecting fluid handling functions includes complementary microstructures formed by an etching or similar process in a planar foldable substrate. The complementary microstructures may be superimposed in a controlled ma... | 03/30/1999 |
| 5889404 | Discharge ionization detector having efficient transfer of metastables for ionization of sample molecules In a discharge ionization detector, a method and apparatus are disclosed for increasing the transfer of photons and metastables from a discharge chamber to a ionization chamber, while effecting ion discrimination of the ionic current with respect to a sig... | 03/30/1999 |
| 5887478 | System for developing laminar flow A flow conditioning system includes a flow randomizing section for receiving an input fluid stream and for increasing the uniformity of the streamwise velocity components of the input fluid stream while randomizing the non-streamwise velocity components, ... | 03/30/1999 |
