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| Number | Title | Issue Date |
| 8009999 | Image forming apparatus and image forming method A tandem-type image forming apparatus includes a toner mark pattern forming unit configured to form a toner mark pattern; a sensor configured to detect the toner mark pattern; a first determining unit configured to determine presence or absence of color misregistrat... | 08/30/2011 |
| 7813659 | Image forming apparatus and method of controlling the same This invention provides an image forming apparatus capable of more reliably detecting patches formed on a recording medium while suppressing an increase in the consumption of printing media and toners. In an image forming apparatus which detects the density or color... | 10/12/2010 |
| 7751732 | Image forming apparatus and control method This invention has an object to process color balance adjustment at high speed in an image forming apparatus without depending on different feeding speeds for different printing materials. To accomplish this, an image forming apparatus of the invention detects color... | 07/06/2010 |
| 7650093 | Image forming device, calibration method and storage medium storing program An image forming device includes an image forming unit that forms an image including at least one of a user-requested image and a test image onto a recording medium, a controller that controls the image forming unit to form a test image including a mixed color on th... | 01/19/2010 |
| 7590363 | Image forming apparatus and control method This invention has an object to process color balance adjustment at high speed in an image forming apparatus without depending on different feeding speeds for different printing materials. To accomplish this, an image forming apparatus of the invention detects color... | 09/15/2009 |
| 7406281 | Image forming apparatus and method thereof An image forming apparatus is provided that forms an image with liquid developer, and a method thereof. The image forming apparatus includes a plurality of photoconductors on which developer images having carrier rates different from each other are formed with corre... | 07/29/2008 |
| 7375853 | Image processing apparatus and method A separating unit determines, for an image data, whether there exists black data, and generates density data from the black data when the black data exists, and generates color data from data other than the black data. A multinarizing unit converts the color data in... | 05/20/2008 |
| 7356267 | Jam removing method and printer using toner save mode A jam removing method and printer using toner a save mode includes detecting a paper jam on a printing route, confirming whether a dot count value of a corresponding image exceeds a preset boundary value, and converting a printing mode into the toner save mode when ... | 04/08/2008 |
| 7355753 | Color saturation adjustment A method of adjusting primary color data values including producing color saturation adjusted primary color data values that depend on a relative amount of chroma in the initial primary color data values. ... | 04/08/2008 |
| 7340191 | Image forming apparatus featuring variably-controlling a primary-transferring condition based on a detection result of combined toner images An image forming apparatus includes an image bearing member, first toner image forming device of forming a first toner image by a first toner, second toner image forming device of forming a second toner image by a second toner, transferring device of transferring th... | 03/04/2008 |
| 7336250 | Method and apparatus for driving liquid-crystal optical-modulation device For statically driving a liquid-crystal optical-modulation device, an alternating electric field produced by a drive signal is applied to a liquid crystal included therein. In a first period in which the alternating electric field has a first polarity, the drive sig... | 02/26/2008 |
| 7319545 | Method and apparatus for calibration of a color printer A method permitting an end user to recalibrate a color reproduction device. The color reproduction device includes a device for converting the native color values of the scanner into a device independent color space, a test target, and the desired values of each pat... | 01/15/2008 |
| 7310483 | Image-forming apparatus and image-forming method for making development using light toner and dark toner with substantially the same hue In an image-forming apparatus being selectable between a four-color mode forming images using only cyan, magenta, yellow, and black toner and a six-color mode forming images using light cyan and light magenta toner in addition to the four-color toner, by automatical... | 12/18/2007 |
| 7310159 | Image outputting system An image outputting system that can keep the printed image quality always in good condition by correcting printing color tone based on printing color correcting information received via a network. The image outputting system comprises: an image outputting apparatus ... | 12/18/2007 |
| 7305200 | Printing system with extended color gamut A printing system includes a marking engine which applies colorants to a print medium to render an image. The marking engine has a single pass color gamut which the marking engine is capable of rendering in a single pass of the print medium through the marking engin... | 12/04/2007 |
| 7292724 | Image processing apparatus and image processing method The present invention provides an image processing apparatus on which an image forming engine for forming a full-color image by using color materials corresponding to data of color tones on the basis of C (cyan), M (magenta), Y (yellow), and K (black) data is mounte... | 11/06/2007 |
| 7274830 | System for multi-sensor image fusion A method and system for fusing image data includes an electronic circuit (L) for synchronizing image frames. An adaptive lookup table unit (302a, 302b) receives the image frame data sets and applies correction factors to individual pixels... | 09/25/2007 |
| 7269369 | Image forming apparatus with reduced paper consumption In a color image forming apparatus, a user need not exchange a sensor, paper is prevented from being wastefully consumed, and image quality and color reproducibility can be improved. The color image forming apparatus includes a detecting unit which detects the densi... | 09/11/2007 |
| 7262765 | Apparatuses and methods for utilizing non-ideal light sources A method includes obtaining a measurement of a property of a light source, scanning light from the light source onto a surface, such that the light interacts with the surface, detecting light from the surface to create a picture element, and correcting the picture e... | 08/28/2007 |
| 7259878 | Image processing apparatus effective for preventing counterfeiting of a copy-prohibition object When determining whether or not an image of an original input from an image reading device is a copy-prohibition image, a mounting position, a mounting angle or the like of the original is detected, and it is determined whether or not exact determination can be perf... | 08/21/2007 |
| 7256815 | Image forming method, image forming apparatus, optical scan device, and image forming apparatus using the same An optical scan device having an optical deflector reflecting a light beam from a light beam source so as to deflect the light beam and having a surface to be scanned on which information is written such that the light beam deflected by the deflector scans the surfa... | 08/14/2007 |
| 7245863 | Method and apparatus of image forming capable of suitably controlling transfer characteristic An image forming apparatus includes a rotating member, a drive mechanism, a scale, and a scale reading mechanism. The rotating member is configured to carry an image. The drive mechanism is configured to rotationally drive the rotating member. The scale is provided ... | 07/17/2007 |
| 7242883 | Image formation apparatus having exposure timing control An image formation apparatus is disclosed, wherein temperatures of two or more places on a transfer/conveyance belt are measured. Timing of writing to photo conductor drums based on pixel clock signals is controlled in reference to differences between the measured t... | 07/10/2007 |
| 7239816 | Automated image appearance control method An input image capture device, capable of sampling the color density and gloss of the fused printed image (thus not requiring the printing of density patches on a separate calibration page), may compare the printed image's color density and gloss to a predicted valu... | 07/03/2007 |
| 7239402 | Spot color application in printer device To translate a physical color to a color space of a printer device, a color patch is scanned using a printer's internal scanner. The printer then automatically prints that scanned color, together with a range of variations of that color, on the print media on which ... | 07/03/2007 |
| 7236264 | System and method for adjusting color reproduction A system and method for adjusting the color of a scanned image includes obtaining image data for the scanned image, generating an output image from the scanned image, and obtaining image data for the output image. The differences between the image data of the scanne... | 06/26/2007 |
| 7215896 | Image forming apparatus and method of detecting the detection characteristics of a reflection density sensor An image forming apparatus is able to form steady test-pattern toner images for calibration of reflection density detection characteristics with ample toner. The operation consists of forming a test-pattern toner image for calibration of the reflection density detec... | 05/08/2007 |
| 7212752 | Image forming apparatus and a developing apparatus having a unit for determining a mixture ratio of two types of magnetic toner based on magnetic permeability and amount An electrophotographic image forming apparatus includes a developer reservoir for accommodating a single-component mixed developer including two types of toner having a generally identical hue and different reflection densities. A magnetic substance is added to one ... | 05/01/2007 |
| 7212780 | Process and device for supplying substrates in a printing unit Preparing substrates for one-sided or two-sided printing in an electrophotograpically operated digital printing apparatus, in which process substrates are fed out of a supply unit or several supply units onto a conveyor operation sequence and are transferred, prefer... | 05/01/2007 |
| 7212312 | Automatic scanner calibration An automatic scanner calibration method and apparatus is disclosed in which a calibrated target, such as a Kodak® gray strip, is attached to a scanning surface of a scanner. The target is thin and has a width or length of platen of a scanner. During a normal scan, ... | 05/01/2007 |
| 7206068 | Image forming device, post-processing device and color calibration method An image forming device includes: a toner image forming unit that forms a toner image onto a recording medium; a controlling unit that controls the toner image forming unit such that a test image is formed on the recording medium; a sheet transfer unit that transfer... | 04/17/2007 |
| 7180631 | Gloss-imparting device and color image-forming apparatus A gloss-imparting device for imparting a gloss on a color image, the gloss-imparting device has a transparent toner image-carrying body, a transparent toner image-forming unit, a heating/pressurizing unit, and a cooling/releasing unit. The transparent toner image-ca... | 02/20/2007 |
| 7180625 | Printer controller, image forming apparatus and storage medium A printer controller generates pattern data to be printed by a printer engine for use in carrying out a tone adjusting process. The printer controller includes a memory which stores reference tone patterns and tone adjusting patterns, a selecting section for selecti... | 02/20/2007 |
| 7177558 | Image forming apparatus and calibration method An image forming apparatus for continuously printing plural images has an empirical calibration part that performs color calibration processing based on a test image printed on recording paper, a predictive calibration part that performs color calibration processing... | 02/13/2007 |
| 7167658 | Image forming apparatus which corrects an output of a sensor for detecting image gradation characteristics An image forming apparatus, comprising: an image forming section for forming and outputting a predetermined gradation patch pattern image on transfer paper; a sensor for reading and outputting the gradation patch pattern image; and a control section for correcting r... | 01/23/2007 |
| 7162187 | Image forming apparatus and image forming method In an image forming apparatus, a toner image is formed on a photosensitive element and a transfer roller, which carries a transfer medium, is pressed against a photosensitive element at a pressure of from 20.4 N/cm2 to 200 N/cm2. ... | 01/09/2007 |
| 7149444 | Image forming device, color calibration method and its program An image forming device includes an image forming section that forms an image onto a recording medium, a calibration section that performs a color calibration process based upon the image formed on the recording medium and a control section that, when a plurality of... | 12/12/2006 |
| 7130552 | Image forming apparatus An image forming apparatus having: a transfer section which transfers a toner image onto an intermediate transfer body or a transfer material to form an image thereon; a selection section for selecting one mode among a plurality of modes including a first mode for f... | 10/31/2006 |
| 7130568 | Image forming apparatus which presents faulty image when toner image on image bearing member is transferred to transferring medium In an Image forming apparatus, a light color toner image forming unit that forms a light color toner image on a transfer medium has a first developing device which develops an electrostatic image on a first image bearing member to form the light color toner image on... | 10/31/2006 |
| 7110145 | Scanning unit of image-recording apparatus The invention concerns image-recording apparatus, which records an image onto a sheet-film. The image-recording apparatus includes a mainframe; a main/sub-scanning unit that includes a main-scanning unit to expose a light-beam onto a sheet-film by scanning the light... | 09/19/2006 |
