Bizarre Patents
A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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 |
| 7092123 | Evaluation of dot interference moiré A halftone dot image HI composed of halftone dots is produced by halftone dot meshing of an object image OI. A smoothed object image SOI and a smoothed halftone dot image SHI are then produced by smoothing the object image and the halftone dot image. An interference... | 08/15/2006 |
| 7088479 | Image processing apparatus for electrophotography and electrophotographic apparatus utilizing the same An image processing apparatus, which performs color conversion for input tone data in an RGB color space to obtain tone data for a CMY color space, and which performs halftone processing to convert the tone data in the CMY color space to image reproduction data, is ... | 08/08/2006 |
| 7085005 | Method of and apparatus for distinguishing type of pixel Halftone pixels are distinguished from non-halftone pixels in pixels making up an image according to a predetermined algorithm based on a result of edge detection for determining whether the pixels are edge pixels. The pixels which have been determined to be non-hal... | 08/01/2006 |
| 7075680 | Image processing system, image forming system, and recording medium A maximum color identifying portion 41 identifies a maximum color from coloring material colors used to reproduce a color of a line segment after color conversion into coloring material colors by a character/line color converting portion 31 is applied ... | 07/11/2006 |
| 6999202 | Method for generating a halftone of a source image In one aspect of the present invention, a method is provided for producing a halftone of a source image. The halftone includes halftone pixels. The halftone pixels are suitable for containing halftone dots. The method selects glyphs corresponding to intensities of r... | 02/14/2006 |
| 6985256 | Halftoning using dot and line screens to avoid two and three color moiré Moiré free color halftoning is achieved through the use of two dot screens and one or two line screens. The line screens may be, for example hybrid line screens. Frequency vectors associated with the screens combine to produce moiré frequency vectors representing ... | 01/10/2006 |
| 6982799 | Creating composite page images from compressed data A printhead controller controls printing of a page by at least one printhead. The printhead controller, in use, receives data, in a compressed format relating to the page to be printed, the data including a page description comprising a bi-level black layer and a co... | 01/03/2006 |
| 6975431 | Image processing method and image processing apparatus There are disclosed an image processing method of performing a process for converting image data representative of pixel values of a plurality of pixels constituting an image into image data representative of dot patterns of halftone dots, and an image processing ap... | 12/13/2005 |
| 6972871 | Color image forming device and method A color image forming device and method prevent occurrence of pile height moires specific to electrophotographic images in low-frequency areas and conventional moires in a digital screen set of four colors. In the color image forming device, by at least one of a hal... | 12/06/2005 |
| 6965452 | Masks on demand for use in incremental printing A program creates a unitary mask for use over a whole image, with one pattern. The mask need not be full image size; it may be tiled. In the field a printer forms a mask and prints with it, best in the same session, before another image needing another mask, whether... | 11/15/2005 |
| 6956670 | Method, system, program, and data structures for halftoning with line screens having different lines per inch (LPI) Provided is a method, system, program, and data structures for halftoning an input image comprised of at least two input color components. Each input color component provides input intensity values for the color component at pixel locations in the image. At least tw... | 10/18/2005 |
| 6943808 | System and method of reducing aliasing in printed images The system and method reduces aliasing which is formed by the patterns that are introduced by the halftone screens used in the printer. The system and method provides halftone-specific anti-alias filters for obtaining optimal effective resolution in printed images. ... | 09/13/2005 |
| 6930810 | Correction table forming method and image forming apparatus A main CPU reads out CMY values as γ correction patch data from an NVRAM, and outputs a γ correction patch from a color printer section via a γ correction patch output section. The output γ correction patch (sheet) is read by a color scanner section 1 as ... | 08/16/2005 |
| 6922262 | Image processing apparatus There is disclosed an image processing apparatus in which a pattern table stores a plurality of screen patterns which include a predetermined number of pattern data and have different data patterns. An in-pattern position calculator generates an in-pattern position ... | 07/26/2005 |
| 6916078 | Inkjet proofing with matched color and screen resolution One general aspect of the invention provides for creating half-tone ink-jet proofs on print-enhanced sheets based on an effective image cell pitch that substantially matches a cell pitch used to create press plates. Print process variables can be adjusted for the in... | 07/12/2005 |
| 6903745 | Image processing apparatus and image processing method An image processing apparatus has interpolation calculation means which outputs, based on an input image signal P7, a binary signal P8=0 or 1 by calculating a formula, P8=S[i](xl,yl) EXOR (DF(xl,yl) AND IP(xl,yl)), using a screen pattern S[i](xl... | 06/07/2005 |
| 6870633 | Printing device The printer driver receives print data from an application software program. When the received print data is font data, the printer driver transmits the font data as it is to the printer. When the print data is other than font data, but is vector data, for example, ... | 03/22/2005 |
| 6864996 | Image processor and image processing method, and printer system equipped with image processor An image processor includes conversion table storage for storing a plurality of conversion tables to determine a correspondence relationship between image reproduction data, including development area information, and tone data; halftone processing for receiving the... | 03/08/2005 |
| 6853467 | Multistage screening with screens of any desired screen resolutions and screen angles A method for performing a digital multistage screening of a continuous-tone image with a screen having any desired screen resolution and any desired screen angle, in which the screening is carried out by reading out threshold values and comparing the threshold value... | 02/08/2005 |
| 6844941 | Color halftoning using a single successive-filling halftone screen A method is provided for rendering a color image with a plurality of separations with a halftone process using a single screen for a plurality of separations. The screen is comprised of a plurality of pixel locations with associated threshold values and the image is... | 01/18/2005 |
| 6778298 | Image forming apparatus There is provided an image forming apparatus that enables the formation of high-quality multi-level images by ensuring that the size of blocks into which the image is to be divided is specified in accordance with the resolution of the image to be recorded. The appar... | 08/17/2004 |
| 6763144 | Halftone image reproduction Method and apparatus for performing halftoning of an image, using two 2-dimensional look up tables (LUTS). The first LUT receives coordinates of an image value and outputs a screen reference value which then serves, together with the image value as address for the s... | 07/13/2004 |
| 6694041 | Halftone watermarking and related applications One method for halftone image watermarking assigns halftone watermark dot values to pseudorandom locations in an image and diffuses the error of the watermark to neighboring pixel locations of these dots. This method may be used in conjunction with a robu... | 02/17/2004 |
| 6693724 | Apparatus and method converting continuous tone data to multiple-valued data An image data processing apparatus determines whether an input element provided by a computer is either a command for processing continuous tone data or continuous tone data. When the input element provided by the computer is a continuous tone data proces... | 02/17/2004 |
| 6690484 | Antipatterning printmode for matrix-based scattered-dithered images in incremental printing Apparatus defines a dither mask (DM) and printmask (PM) with corresponding dimensions. In one invention form the DM dimension is not an integral factor or multiple of the PM dimension. The two dimensions may be lengths or widths; preferably the apparatus ... | 02/10/2004 |
| 6671071 | Threshold bias circuits for enhanced color error diffusion A circuit for generating a threshold bias signal for processing n color separations representing a color image includes a threshold bias register which holds and outputs the current threshold bias signal.... | 12/30/2003 |
| 6654146 | Method of and apparatus for generating halftone dot image Using a resolution supplied from an image output apparatus and ruling information supplied from a ruling information storage unit, a screen ruling of threshold data stored in a threshold data storage unit is determined, and threshold data which provides a... | 11/25/2003 |
| 6643030 | Quantization method for color document reproduction in a color printing system The present invention is a method and apparatus for reducing two-color moireoften found during the rendering of full color images using halftoning techniques, by providing shared screen angles between distinct color separations.... | 11/04/2003 |
| 6633412 | Smoothness enhancement in laser printing through periodic modulation of halftone cell When clustered-dot dithering is employed in laser printers a banding effect sometimes results from the interaction of the dither matrix with non-uniform line spacing in the printer. We have found that we can lessen the effect of this interaction if we cha... | 10/14/2003 |
| 6608702 | Method for generating threshold patterns and gradation image binarizing device There is disclosed a method wherein an origin is set on the dither pattern and the dither pattern is rotated relative to the origin by a required screen angle. By rotating the dither pattern, real-number coordinates of an origin of adjacent dither pattern... | 08/19/2003 |
| 6532082 | Halftone printing plates containing microscopic perforations and methods for producing same A computer implemented method to include microscopic perforations (perforations) in an printing plate is revealed. The particles improve the properties of the plate towards printability of an image on different kinds of offset presses. The perforations ar... | 03/11/2003 |
| 6515768 | Frequency modulation halfstone screen and method for making the same A frequency-modulation halftone screen and method for making same, utilizing local randomization of a deterministic screen. The deterministic screen optimizes uniformity of the halftone dot distribution, while the local randomization suppresses artifacts ... | 02/04/2003 |
| 6507610 | Cordless modem system having multiple base and remote stations which are interusable and secure A cordless modem system where a mobile station unit (MSU) is located in the computer and a base station unit (BSU) is connected to the telephone line. A radio frequency (RF) link is developed between the two units to allow a cordless connection. A series ... | 01/14/2003 |
| 6507666 | Method and apparatus for compensating for dot gain in stochastic printing A method of compensating for dot gain in printing with stochastic screens comprises obtaining continuous tone CMYK files and screening the files at a resolution that is lower than the resolution of an output device that will be used to print the files. Th... | 01/14/2003 |
| 6441923 | Dynamic creation of color test patterns based on variable print settings for improved color calibration A method for calibrating a printer includes printing a set of color samples with the printer, the set of samples or calibration target generated dynamically in response to selected printer variables, and reflecting at least a portion of the printer gamut.... | 08/27/2002 |
| 6404508 | Gradation reproduction In order to reproduce a gradation image of a plurality of colors with dither method, a plurality of patterns including first and second patterns are provided which makes dot in the reproduced image grow as lines and as lumps as gradation level increases w... | 06/11/2002 |
| 6346993 | Tone-variation-resistant phase-shiftable halftone screen system and method of using An image generating system that warps both the image data and halftone screens of a halftone screen system to minimize moire patterns. Merely warping image data to minimize moire patterns results in offsets within the image data which should have a corres... | 02/12/2002 |
| 6342953 | Color plane under exposure for reducing edge effect A method for reducing edge effect (white gapping) between objects formed on a photoconductive member of an imaging device includes, during processing of a given color plane, under exposing (partially exposing) the photoconductive member for image data tha... | 01/29/2002 |
| 6339478 | Image forming apparatus for forming a plurality of screened images An image forming apparatus includes an image reader for reading images, a memory for storing images read by the image reader, a compression circuit for compressing an arbitrary portion of an image placed on a page memory, a compressed image memory for sto... | 01/15/2002 |
| 6317220 | Image forming apparatus capable of preventing linear nonuniformity and improving image quality An image forming apparatus having first and second basic cells each containing a predetermined number of cells in a main scanning direction and a sub-scanning direction and disposed adjacent to each other in the sub-scanning direction, a gradation process... | 11/13/2001 |
