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| Number | Title | Issue Date |
| 8063925 | Thermal or density management of imaging device A multi-media printer includes an engine controller, a printhead controller, and a pulse activation table. The engine controller transmits a row of energy values. The printhead controller receives the row of energy values and transmits an activation signal. The acti... | 11/22/2011 |
| 7350888 | Composite printhead fire signals A method and device for providing a plurality of fire pulses in an ink jet printer, which includes a production of a plurality of fire signals. Each fire signal of the plurality of fire signals are asserted at a different timing than the other of the plurality of fi... | 04/01/2008 |
| 7319473 | Thermal recording system and method A recording apparatus includes a plurality of thermal elements, a strobe generator, and a data sequencer. The strobe generator provides a strobe signal comprising a sequence of N pulses, each pulse having a same period, the sequence including a first group of pulses... | 01/15/2008 |
| 7292260 | Image forming apparatus and image forming method An image forming apparatus records an image on a photosensitive material by controlling a light emission amount from a plurality of light emission elements that each emit light in accordance with a supplied light emission control signal. The apparatus has a control ... | 11/06/2007 |
| 7247198 | Water base for ink-jet recording and ink-jet recording method A water base ink for ink-jet recording to be used for an ink-jet recording apparatus having an ink-jet head comprises a self-dispersing type coloring agent, water, and a water-soluble organic solvent. The surface tension of the ink is 30 to 50 mN/M, the advancing co... | 07/24/2007 |
| 7224377 | Thermal print head modulation using additive complements A thermal print head in a thermal printer for printing a digital image, the digital image being composed of lines of multi-bit pixels, the print head having a plurality of thermal resistors, adapted to be simultaneously addressed in parallel by a corresponding plura... | 05/29/2007 |
| 7209142 | Image display method and an image display apparatus for implementing the method The image display method and apparatus display a monochromatic image with a color display device in which a unit pixel is composed of R, G and B cells and display the monochromatic image having a higher gradation resolution than reproduction performance of each of t... | 04/24/2007 |
| 7199899 | Image recording method and apparatus A method of recording a transmission image composed of dots on a recording medium having the steps of; moving a recording medium in a sub-scanning direction, and moving a recording head relatively with respect to the recording medium in a main scanning direction whi... | 04/03/2007 |
| 7130083 | Image recording apparatus, image recording method, method for controlling the image recording apparatus, storage medium storing a program capable of being read by a computer, and image processing method When recording a gradation pixel by performing pseudo-halftone processing, the occurrence of unevenness in the density in the recorded image is suppressed. For that purpose, when recording a pseudo-halftone image using dot patterns, a dot-pattern table storing a plu... | 10/31/2006 |
| 7126623 | Serially connected LED lamps control device The present invention discloses a serially connected LED lamps control circuit device, which is applicable for an integrated circuit and has the following three features: using a buffer circuit to increase the DATA and Clock lines to extend the distance between a pl... | 10/24/2006 |
| 7126709 | Printing control apparatus and system, method of controlling same, printing apparatus and printer driver Disclosed is a printing control system in which a host computer and a printer are connected so as to be capable of bidirectional communication. The printer stores color-conversion information, which is model-specific information, and a control command in a ROM and, ... | 10/24/2006 |
| 7110130 | Information processing apparatus and system, method of controlling same, peripheral apparatus and printer device Disclosed is a printing control system in which a host computer and a printer are connected so as to be capable of bidirectional communication. The printer stores model-specific parameter information, which is control information, in a ROM and, in response to a comm... | 09/19/2006 |
| 7096640 | Thermal breaking system for construction materials and the like The invention comprises a thermal breaking system that can be used in the manufacture of windows, doors, and other building components. The thermal break system comprises first and second portions. Interposed between said portions is a thermal break. The thermal bre... | 08/29/2006 |
| 7095520 | Information processing apparatus and system, information processing method and device driver Disclosed is an information processing system in which a high-order apparatus and a low-order apparatus are connected so as to be capable of bidirectional communicating. The low-order apparatus stores control command information of the low-order apparatus in a ROM a... | 08/22/2006 |
| 7090890 | Modification of polymer optoelectronic properties after film formation by impurity addition or removal The methods of this invention involve modification of the properties of an organic film after it has been deposited by either adding new components into it from its top or bottom surface, or by causing components to leave the film from its top or bottom surface. In ... | 08/15/2006 |
| 7081901 | Display system with framestore and stochastic dithering A display system provides stochastic dithering to image data for storage in a frame buffer for display. Dithering is used to reduce the size of the frame buffer and to reduce the complexity of the drive circuitry that is used to display an image. The bit depth of th... | 07/25/2006 |
| 7072063 | Information processing apparatus and system, method of controlling same, peripheral apparatus and printer driver Disclosed is an information processing system in which a host computer and a printer are connected so as to be capable of communicating in both directions. Model-specific information, which is information relating to number of tones of image data handled by the prin... | 07/04/2006 |
| 7057776 | Image processing apparatus, image processing method and computer-readable recording medium on which image processing program is recorded To improve a sharpness and quality of images. An image processing apparatus includes: a drawing process unit for analyzing drawing information in print data; a color spatial conversion unit for transforming color information; a smoothing correction unit for outline-... | 06/06/2006 |
| 7042479 | Image enhancement device and image enhancement method of thermal printer The present invention aims to provide an image enhancement device of a thermal printer which can obtain a corrected image with high quality even if quantity of thermal storage to obtain recording density necessary for target gradation data is excessive or insufficie... | 05/09/2006 |
| 7030896 | Printing system using thermal printer A printing system using a thermal printer capable of readily visually discriminating the background data and sales data, saving waste of paper resources and improving the printing speed is provided. When printing basic data and background data in superimposition on ... | 04/18/2006 |
| 6961075 | Method and apparatus for thermal printing of longer length images by the use of multiple dye color patch triads or quads A method and apparatus of thermally printing an image on a receiver by (a) printing a first sub-image on a first region of the receiver with a first dye-donor patch of the first color and (b) printing a second sub-image on a second region of the receiver with a seco... | 11/01/2005 |
| 6952495 | Method for quantization of histogram bin value of image The present invention relates to a method for quantization of a color histogram bin value of an image or video, and more particularly, to a method for non-uniform quantization of a color histogram bin value of an image (or video) according to the frequency of color ... | 10/04/2005 |
| 6906736 | Technique for printing a color image A technique for optimizing or enhancing color images. Embodiments are disclosed for creating an enhanced color image, including the enhancement of perceived color uniformity. In a “dot-on-dot” registration scheme for producing color images, the dots need to be p... | 06/14/2005 |
| 6805423 | System and method for controlling gradation A gradation control system includes a device for deriving 2**n decoded data from lower n bits expressing a gradation per dot, a device for grouping the 2**n decoded data with respect to a plurality of dots, to produce 2**n first bit planes, a device for giving to an... | 10/19/2004 |
| 6801235 | Image recording method and an image recording apparatus It is the purpose of the present invention to provide an image recording method and image recording apparatus for performing high-density recording without degrading the resolution. A desired image is recorded on a recording medium by exposing the image on the recor... | 10/05/2004 |
| 6798432 | Printing method for interpolating gray levels A method is provided to increase the gray level resolution of a thermal print head. The thermal print head includes a plurality of heaters which are used to heat color dye so as to deposit the color dye on a paper to form a line image. The line image contains a plur... | 09/28/2004 |
| 6798433 | Method for increasing thermal print quality A printing method for printing a pixel at a gray level x on paper by a printer. The printer includes a thermal print head, which includes a heater for heating a ribbon to print pixels from gray levels 1 to m−1 on the paper, and the ribbon. The method includes: if ... | 09/28/2004 |
| 6774922 | Method for calibrating a thermal printer A method for calibrating a thermal printer, having a thermal head incorporating a plurality of energisable heating elements, comprises the step of supplying to the thermal printer a thermographic material m, a plurality of printer data Pi each intended to... | 08/10/2004 |
| 6762781 | Image recording method and apparatus This invention relates to an image recording method of recording a single pixel forming an image using a plurality of pulses by expressing gradation using a single pulse or a plurality of pulses having a larger pulse width expressing a superordination bit and a sing... | 07/13/2004 |
| 6633320 | Multi-gradation recording method and thermal transfer recording medium used in the method A multi-gradation recording method comprising the steps of: providing a thermal transfer recording medium comprising a substrate, a release layer, a first ink layer and a second ink layer provided in this order on the substrate, and carrying out a gradati... | 10/14/2003 |
| 6614459 | Thermal printer capable of performing error diffusion A thermal printer includes a thermal printhead, a transfer assembly, and a controller. The thermal printhead has an array of heating regions arranged in a primary scanning direction, and a driver for selectively heating the heating regions. The transfer a... | 09/02/2003 |
| 6597385 | Method for thermal printing A method for printing an image using a thermal printing system comprising a thermal printer having a thermal head TH incorporating a plurality of energisable heating elements Hn and a thermographic material m, comprises several steps. These ste... | 07/22/2003 |
| 6567111 | Image recording method and apparatus This invention relates to image recording method and apparatus. The apparatus has an image recording unit which records an image in a one-dimensional direction, a transfer unit which transfers the image recording unit with relative to a recording medium, ... | 05/20/2003 |
| 6480215 | Control device for thermal printer head and printer using the same A control device for thermal printing head and a printer having the thermal printing head are presented. The control device had a plurality of heating elements to correspond to a plurality of imprinting dots and a plurality of 1-bit registers for holding ... | 11/12/2002 |
| 6417878 | Image forming apparatus and image forming method for improved gradation reproduction In a thermal printer, the print mode that has been set by the user is judged at the start of printing. When the high-speed print mode is set, the standard deviation ς of the original image data is calculated. According to the standard deviation ς, it is... | 07/09/2002 |
| 6398328 | High quality image copier with exact reproduction of digitally halftoned images The invention relates to a method of generating print data from a printed image produced by a printing device operating at a first dots per inch (dpi) value, so that the image is composed of a plurality of dots, the image incorporating defects resulting d... | 06/04/2002 |
| 6396527 | Heat-sensitive recording apparatus The heat-sensitive recording apparatus having a thermal head with heating elements arranged in one direction, a transport unit by which the thermal head and a heat-sensitive recording material being pressed by it are transported relative to each other in ... | 05/28/2002 |
| 6388691 | Head controller of thermal printer and thermal printer printing method The present invention overcomes disadvantages including the occurrence of uneven printing, the need to provide a large-sized power supply, high cost and the deterioration of energy conversion efficiency resulting from the application of high current to th... | 05/14/2002 |
| 6384895 | Image correction method An image correction method structured such that supplied image data is converted into image data which must be output when supplied image data is output by a printing apparatus including a line-type head, the image correction method including steps of per... | 05/07/2002 |
| 6344867 | Thermal printing method and thermal printer capable of efficient transfer of data A head driver for thermal printing drives plural heating elements in a heating element array according to heating data for respectively the plural heating elements, to record dots of one line thermally by heating color thermosensitive recording material. ... | 02/05/2002 |
