Celebrity Inventors
Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8149464 | Clustered dot-screen design method, a device to perform the clustered dot-screen design method based on human vision and printer model characteristics, and an image-forming apparatus to output binary images on a designed screen A clustered-dot screen design method, a device to perform the clustered-dot screen design method based on human vision characteristics and printer model characteristics, and an image-forming apparatus to output binary images using designed screens. The clustered-dot... | 04/03/2012 |
| 8134750 | Printing with alternative halftone patterns in ink jet printing to reduce ink penetration Systems and methods of printing to a tangible medium provide for reducing ink penetration via the controlled selection of halftone patterns. One method includes steps of printing to the tangible medium (e.g., via a multicolor ink supply such as CMYK) using a plurali... | 03/13/2012 |
| 8085438 | Printing color images visible under UV light on security documents and valuable articles A new method of creating fluorescent color images visible under UV light is proposed, which relies on fluorescent colorants obtained by superposing fluorescent ink dots, on juxtaposed halftoning, and on mapping the gamut of the image to be reproduced into the gamut ... | 12/27/2011 |
| 7986442 | Apparatus and method to generate a halftoning screen and image forming apparatus for same An apparatus to generate a halftoning screen and an image forming apparatus. The apparatus to generate a halftoning screen includes a dot center setting unit to set locations of dot centers according to a plurality of grey levels of print data, and a screen generati... | 07/26/2011 |
| 7835035 | Intelligent toner saving for color printing A software-controlled method for minimizing color toner use during printing of a color page by a color printer including (a) examining the image data for such a page to identify different pre-selected categories of page-contained image elements, (b) associating, wit... | 11/16/2010 |
| 7826098 | Image processing apparatus An isolation point counting section, an internal edge counting section, and a continuity detecting section are provided at a halftone dot internal character region signal generating section. The halftone dot internal character region signal generating section discri... | 11/02/2010 |
| 7821672 | Image recording method and image recording apparatus In a printer, threshold matrixes are prepared so that, in a color halftone image generated with the threshold matrixes, cell centers are arranged randomly, a direction where intervals of cell centers for cyan are maximum and a direction where intervals of cell cente... | 10/26/2010 |
| 7652793 | Image processing method and image processing apparatus, and image forming apparatus comprising image processing apparatus An image processing method comprises the steps of: determining dot arrangement in forming an image with dots on a recording medium; and forming the image on the recording medium by means of a dot formation device according to the dot arrangement, wherein dot arrange... | 01/26/2010 |
| 7492480 | System for halftone screen production Method, apparatus and program product generates a threshold array that contains at least one halftone cell having overlapping or dissimilar dots. ... | 02/17/2009 |
| 7450269 | Gray level halftone processing An image processing method and apparatus for generating a gray level rendered pixel value that has been subjected to a halftoning process. In the method and apparatus a gray level pixel value of the pixel to be rendered by the halftoning process is provided as one i... | 11/11/2008 |
| 7436545 | Method of forming image, image forming apparatus, and program for carrying out the method If an ink for a particular color (for example, red) having an excellent color developing characteristic is used in addition to inks for three primary colors of subtractive color mixture, the high color reproducibility is to be maintained for a long period. To accomp... | 10/14/2008 |
| 7385730 | Image processing apparatus, image processing method, and printing apparatus and printing system using the image processing apparatus In an apparatus for performing printing using a color ink-jet head having a plurality of ink-discharge-port strings corresponding to ink materials having different color tones, a high-quality image having excellent gradation can be recorded, while reducing the cost ... | 06/10/2008 |
| 7372594 | Image processing apparatus and method, and storage medium A pattern which does not appear at a flat portion in normal binarization processing is set as a code pattern, and a code formed from this pattern is attached. At this time, code attachment with little degradation in image quality is implemented by selecting an unnot... | 05/13/2008 |
| 7365881 | Halftone dot-growth technique based on morphological filtering A method for converting an original halftone bitmap image to a color converted halftone bitmap image. A set of asymmetrical morphological filters is provided. The original halftone bitmap image is segmented into blocks and for each block: apply the set of morphologi... | 04/29/2008 |
| 7360856 | Printing apparatus and printing method An inkjet printing apparatus which performs time-divisional driving poses the following problem for at least some gray levels when halftoning control by the unit matrix is performed. More specifically, the shape of a dot cluster in each unit matrix periodically chan... | 04/22/2008 |
| 7359091 | Multi-bit output sampled threshold array halftoner Xerox Reference No. D/A0639A system and method for improving xerographic halftoning by magnifying a threshold array, interpolating the in-between values, enabling multiple thresholds to be accessed simultaneously and presented to multiple comparators, to cause multi... | 04/15/2008 |
| 7352493 | Enhancement of glossmark images at low and high densities The present invention relates to expanding the range of image densities over which the manipulation of differential gloss as may be inherent in halftoned images may be achieved. By selectively applying halftones with anisotropic structure characteristics which are s... | 04/01/2008 |
| 7339706 | Error diffusion processing circuit for an image signal which improves an output image An error diffusion processing circuit includes an error diffusion processing unit and a noise signal unit. The error diffusion processing unit generates a first output image signal of a first pixel by carrying out an error diffusion process, based on an inputted fir... | 03/04/2008 |
| 7324241 | Variable data differential gloss images The present invention relates to the segmentation of an image into a main area and a image segment for variable data differential gloss image control. A single color is selected. Two or more different color definitions are created by combining the selected single co... | 01/29/2008 |
| 7324247 | Image processing apparatus, image processing program and storage medium storing the program An image processing apparatus includes a reduced image generating part generating a reduced image having a lower resolution than that of an original digital image. A first extracting part distinctly extracts a first foreground image and a first background image from... | 01/29/2008 |
| 7310168 | Method and apparatus for controlling a spot function for digital halftoning A digital halftoning technique for controlling a spot function is disclosed. A method for generating a spot for use in halftoning according to the present invention includes defining a spot function that combines two functions selected to provide a predetermined spo... | 12/18/2007 |
| 7307761 | Methods and apparatus for watermarking digitally printed documents A form of stochastic random distribution is used to print an invisible watermark using a typical, e.g. 600 dpi, printer. The watermark contains such information as “Do Not Copy,” or other such information. While the watermark is not visible on a first generation... | 12/11/2007 |
| 7304770 | Reduction of differential gloss with halftoned clear toner A method for reduction of differential gloss as found in halftone image hardcopy prints. The method comprises selecting either a single halftone or employing two halftones: a first halftone having a high apparent gloss characteristic; and a second halftone having a ... | 12/04/2007 |
| 7301675 | Glossmark images with clear toner The present invention relates to creating differential gloss images in clear toner by the manipulation of halftones employed prior to the depositing of the clear toner layer upon a substrate. By selectively applying halftones with anisotropic structure characteristi... | 11/27/2007 |
| 7268920 | Halftone patterns The patterns can be used to reduce one or more undesirable effects such as moire or colour shift in coloured halftone images. Colour screens in the images are based on a combination of non-orthogonal mesh structures with parcels of printing dots which have common sh... | 09/11/2007 |
| 7265876 | PWM rendering for color/gray-scale text and graphics for laser printer The appearance of edges in an image is improved through precise placement of subpixels within pixel cells that are located on or near edges in an image. Image data is examined to identify a “target pixel” near the edge of an object that represents the object and... | 09/04/2007 |
| 7239429 | Method and apparatus for generating dispersed cluster screen A method for generating a dispersed cluster screen defining a stable environment for printing an image is provided. The method initiates with generating a pattern of cluster centroids. Then a cluster growth sequence is defined. Next, a cluster is grown around the cl... | 07/03/2007 |
| 7215444 | Systems and methods for designing zero-shift supercell halftone screens Conventional design tools were not developed for designing square zero-shift supercells. Conventionally, solutions that enable square zero-shift supercells were found by trial and error or by exhaustive analysis. According to a first design criterion of this inventi... | 05/08/2007 |
| 7203376 | Imaging apparatus and imaging method The present invention accurately reproduces an image pattern by referring to neighboring pixels upon determining the threshold value of a target pixel so that a delay in dot generation can be prevented while emphasizing an image transition portion so that both grain... | 04/10/2007 |
| 7188036 | Internal bias measure with onboard ADC for electronic devices An apparatus and method for on-chip bias measurement of an analog signals on an integrated circuit with a switchable analog-to-digital converter capable of performing testing and other types of processing. Analog signal test locations are selected for testing by a t... | 03/06/2007 |
| 7180635 | Halftone image gloss control for glossmarks The present invention relates to the manipulation of differential gloss as may be inherent in halftoned images. By selectively applying halftones with anisotropic structure characteristics which are significantly different in orientation while remaining identical in... | 02/20/2007 |
| 7164504 | Image processing apparatus, image processing method and computer program product for image processing An image processing apparatus processes image data which is obtained by reading an halftone dot image. In the image processing apparatus, the image data is separated into the image data corresponding to halftone dots which form the halftone dot image and other image... | 01/16/2007 |
| 7148999 | Variable glossmark The present invention relates to the segmentation of an image into a main area and a image segment for variable glossmark data. By selectively applying halftones with anisotropic structure characteristics which are significantly different in orientation while remain... | 12/12/2006 |
| 7139101 | Anisotropic stochastic screen A system and method for the halftoning of gray scale images by utilizing a pixel-by-pixel comparison of the image against an anisotropic stochastic screen is disclosed. The anisotropic stochastic screen comprises a non-deterministic, non-white noise function which, ... | 11/21/2006 |
| 7126724 | Flexographic printing A method of screening a continuous tone image into a halftone representation for a flexographic printing operation can compensate for characteristic printing problems in highlight areas by selectively placing non-printing dots proximate highlight dots. The non-print... | 10/24/2006 |
| 7126721 | Protecting printed items intended for public exchange with glossmarks The present invention relates to protecting printed items intended for public exchange having important informational indicia provided therein. The print items are protected from tampering by providing an informational indicia image as a glossmark. By selectively ap... | 10/24/2006 |
| 7102790 | Simplified tone scale correction A system and method are provided for linearizing the tone scale of individual colors in a multi-color printing system, by deriving a prescribed tone scale of individual colors in a single or multi-color printing system. Full linear ink gradations are printed on mult... | 09/05/2006 |
| 7092128 | Application of glossmarks for graphics enhancement The present invention relates to providing a designer with the tools for the manipulation of differential gloss in halftoned images. A special mask layer is provided for the rendering of desired glossmark image data. The desired glossmark image data is used to selec... | 08/15/2006 |
| 7092119 | Method, system, and program for managing calibration files in a printing system Disclosed is a method, system, and program for managing calibration files in a printing system. Patches are printed using a screening algorithm and incorporating at least one output appearance factor. A calibration file is generated from measured color values of the... | 08/15/2006 |
| 7085002 | Defective nozzle compensation An image recording apparatus (2000) is disclosed, which comprises forming elements (2002) for forming an image, a memory (2006) indicating relative desirability of utilising the forming elements (2002) for forming the image, and processin... | 08/01/2006 |
