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| Number | Title | Issue Date |
| 8035671 | Dual-use sensor assembly for a thermal printer A sensor apparatus for providing two sensing operations within a thermal printer includes a densitometer with at least one light source that discriminates color and that is positioned in a first position for sensing donor patches within the thermal printer; the dens... | 10/11/2011 |
| 8035672 | Printing apparatus A printing apparatus includes a thermal head in which a plurality of heating elements are provided in a width direction of paper, an analyzing unit which analyzes whether an input print layout contains any bar code, a calculating unit which calculates a print ratio ... | 10/11/2011 |
| 7948510 | Thermal printer and method of controlling the same Detecting a print density for the thermal paper based on the outputs of the first and second mark sensors, and adjusting print densities of the first and second thermal heads according to the detection results. ... | 05/24/2011 |
| 7903131 | Thermal transfer printer A thermal transfer printer includes: an ink ribbon conveyor unit that conveys an ink ribbon; a sheet conveyor unit that conveys a sheet; a dummy pattern generation unit that generates a dummy pattern; an image data generation unit that generates print image data joi... | 03/08/2011 |
| 7880754 | Thermotransfer printer, and method for controlling activation of printing elements of a print head thereof In a method for activation of a print head operating according to the thermotransfer principle, the print head having a number of printing elements, in which the energy quantity to be supplied to a printing element is determined in a determination step, and the ener... | 02/01/2011 |
| 7746367 | Thermal printer The thermal printer of the present invention is a thermal printer for printing on a print medium by thermally transferring an ink ribbon by means of a thermal head, wherein the thermal printer comprises a density controller for keeping the print density of the therm... | 06/29/2010 |
| 7545401 | Method and apparatus for controlling the uniformity of print density of a thermal print head array A method for controlling the print density of individual heating elements of a thermal print head array determines respective energy values for each heating element in response to image pixel data to be printed, multiplies determined energy values by a respective pr... | 06/09/2009 |
| 7508405 | Thermotransfer printer, and method for controlling activation of printing elements of a print head thereof In a printer and a method for control of the print head thereof operating according to the thermotransfer principle, the print head having a number of printing elements for which an energy quantity to be supplied to one of the printing elements is determined in a de... | 03/24/2009 |
| 7466329 | Printer device A printer device that prints an image to a printing paper using a thermal head formed with a plurality of heating resistors. The printer device includes: edge position detection means for performing edge position detection to an incoming printing paper using the the... | 12/16/2008 |
| 7408564 | Apparatus and method for setting print condition according to thermal printhead An apparatus is provided for setting a print condition according to a TPH (thermal printhead) of a thermal image forming apparatus that includes a TPH ID (identifier) identification portion identifying TPH vendor information by decoding an ID of the TPH. A print con... | 08/05/2008 |
| 7391427 | Parametric programmable thermal printer A parametric programmable thermal printer is disclosed. The printer may include a controller that performs functions such as thermal history control and common mode voltage correction. The controller may be implemented in an integrated programmable medium such as a ... | 06/24/2008 |
| 7369145 | Method and apparatus for controlling the uniformity of print density of a thermal print head array A method for controlling the print density of individual heating elements of a thermal print head array determines respective energy values for each heating element in response to image pixel data to be printed, multiplies determined energy values by a respective pr... | 05/06/2008 |
| 7358981 | Image formation device and image formation method In order to avoid a load change which occurs when seam O passes by the heads affect image information, a dyeing layer transfer head and recording heads are located in equal intervals having length P, which is obtained by equally dividing an entire circumference K of... | 04/15/2008 |
| 7352496 | Image scanning device and shading compensation method thereof An image scanning device and a shading compensation method include reading out a second region of a reference white sheet spaced by a predetermined distance from a white roller prior to reading out a to-be-scanned document to generate a reference shading compensatio... | 04/01/2008 |
| 7339690 | Identification card printer with client/server An identification card printer for printing an image on an identification card, is provided which includes a print mechanism adapted to deposit material on to the card. A network adapter is configured to couple to a network. A print drive module controls the print m... | 03/04/2008 |
| 7322677 | Printhead assembly with communications module A printhead assembly with a communications module for a wallpaper printing system, the printhead assembly comprising: a casing; a printhead module; a fluid channel member positioned adjacent to the printhead module, the fluid channel member including a plurality of ... | 01/29/2008 |
| 7315318 | Imaging processing method by adjusting heating time A method for image processing by adjusting heating time includes providing a first heating table corresponding to a relationship between a first color density and a first heating time and a second heating table corresponding to a relationship between a color degree ... | 01/01/2008 |
| 7310106 | Thermal printer and thermal printing method The recording sheet is virtually divided into a recording area and an unrecording area in a main scan direction. Unrecording area printing heat energy is Esi calculated by subtracting printing heat energy Epi for a line to be printed from maximum printing heat energ... | 12/18/2007 |
| 7307754 | Density control method for image control apparatuses and image forming apparatus capable of executing the method There is provided an image forming apparatus which is capable of quickly performing measurements required for obtaining a proper image density. The image forming apparatus having a plurality of image forming apparatuses performs an image density adjustment control p... | 12/11/2007 |
| 7295224 | Thermal response correction system A model of a thermal print head is provided that models the thermal response of thermal print head elements to the provision of energy to the print head elements over time. The amount of energy to provide to each of the print head elements during a print head cycle ... | 11/13/2007 |
| 7290146 | Managed credential issuance In a method of issuing a credential, a request for issuance of the credential is received. Next, a unique identification for the requested credential is assigned and data elements corresponding to the credential are provided. A credential production data collection ... | 10/30/2007 |
| 7283146 | Thermal printer temperature management Systems and methods for providing thermal printhead thermal history temperature management by preprocessing target images are described. In one example, a thermal compensation process is applied to a target image to provide offset values in order to create a compens... | 10/16/2007 |
| 7262882 | Distribution curve generating device A plurality of color signals indicative of a plurality of color patterns are processed based on a first distribution curve to distribute the original color signals into color signals for normal ink and color signals for light ink. Then, the plurality of color patter... | 08/28/2007 |
| 7256805 | Method of adjusting strobe length in a thermal printer to reduce effects of changes in media transport speed A thermal printing apparatus and a method of controlling a thermal printing apparatus is provided wherein the duration of the strobe pulse utilized to transfer the ink from the carrier to the media is controlled and adjusted by a correction factor. The correction fa... | 08/14/2007 |
| 7256912 | Adaptive generation of perceptually uniform samples for printer characterization A method is provided for adaptively generating perceptually uniform printer characterization samples in a three-dimensional (3-D) signal space. The method comprises: generating lines, each including a plurality of samples, in a printer 3-D signal space; printing sig... | 08/14/2007 |
| 7239745 | Color-converting apparatus Input image data (255, 100, 50) is first converted into output image data (240, 110, 40) based on the color conversion properties of the input end device and the output device, and is subsequently converted into final output image data (255, 115, 40). The latter con... | 07/03/2007 |
| 7239334 | Photo printer The photo printer has a conveyance unit, a printing unit, line sensors and a control unit. The conveyance unit conveys a roll paper along a conveyance path. The printing unit has a thermal head that prints images on the roll paper in a main scanning direction, which... | 07/03/2007 |
| 7236644 | Image processing system, image processing apparatus, image processing method, and storage medium thereof To provide an image processing apparatus capable of always providing a high image quality recording image. A storage unit stores pattern information used for recording a target image on a recording medium at the unit of a pixel by means of a plurality of recording e... | 06/26/2007 |
| 7221782 | Method and apparatus for determining a dynamic range of a digital medical image A method and apparatus are provided for adjusting a dynamic range of a digital medical image for a medical imaging system. The digital medical image contains a clinical region and a non-clinical region. The method and apparatus identify the non-clinical region of th... | 05/22/2007 |
| 7206009 | Heating head for erasing a printed image on re-writable media A heating head which functions as an erase head for quick operation can be turned off while not in use yet it can turn on when it is used (on-demand operation) and operates stably without over-heating even for the long operation, re-writable media record erasing equ... | 04/17/2007 |
| 7194476 | Image processing method, program thereof and image processing apparatus The execution of a calibration process according to a characteristic of an image formation unit is properly controlled. To do so, it is provided an image processing method of executing the calibration process of newly creating a database file according to the charac... | 03/20/2007 |
| 7190384 | Image forming apparatus and density unevenness preventing method A system controller of a color thermal printer obtains a density profile of an image with respect to a feeding direction of a color thermal recording paper based on density of a test print measured by a CCD line sensor, and then extracts a density unevenness compone... | 03/13/2007 |
| 7190385 | Thermal printing method Method of generating a sharpened image in a thermal printer having an internal thermal model module that converts input values into power values for each element of a thermal head and for each printing cycle. Input values to be fed into the internal thermal model ar... | 03/13/2007 |
| 7187460 | Host control of printer ready Printer has a standby state in which the motor driving the laser scanning mirror is turned off immediately after a print job when another page is not ready. To increase operating speed, a signal to the printer starts a timer (Ready timer). When a page is printed, th... | 03/06/2007 |
| 7176953 | Thermal response correction system A model of a thermal print head is provided that models the thermal response of thermal print head elements to the provision of energy to the print head elements over time. The thermal print head model generates predictions of the temperature of each of the thermal ... | 02/13/2007 |
| 7167271 | Image recording apparatus The image recording apparatus has a sharpness correcting device which performs a sharpness correction process on image data supplied from a medical diagnostic image generating apparatus, an electronic scaling device which performs an electronic magnification process... | 01/23/2007 |
| 7161712 | Apparatus for forming images with proper gamma correction An apparatus for forming an image includes a photosensitive body, an optical write unit which scans a light beam along a main scan path on a photosensitive body to create a latent image thereon, the light beam having power levels corresponding to multi-level image d... | 01/09/2007 |
| 7145675 | Humidity-based printer system control A printer system comprises a communication interface and printer components. The communication interface receives a humidity value from a toner cartridge. The printer components control printing operation based on the humidity value. To control printing operation, t... | 12/05/2006 |
| 7139010 | Thermal head printer and process for printing substantially light-insensitive recording materials A thermal head printer with image-invariant printing speeds for printing a substantially light-insensitive thermographic material having a print density-driving power level characteristic, the thermal head printer comprising a transport means, one or more thermal he... | 11/21/2006 |
| 7131782 | Paper edge sensing apparatus and method for borderless printing A paper edge sensing apparatus for borderless printing comprises a first paper sensor mounted in connection with the carrier and the frame in the upstream of a paper convey direction of an ink jet position of the ink jet nozzles to detect sheet edges, and a controll... | 11/07/2006 |
