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| Number | Title | Issue Date |
| 7403307 | Method of selecting inks for use in imaging with an imaging apparatus A method of selecting inks for use in imaging with an imaging apparatus includes determining a maximum usage of a diluted ink for use in conjunction with a saturated ink based on visual perception characteristics relating to a combination of the diluted ink and the ... | 07/22/2008 |
| 7385618 | Image forming method and image forming apparatus An image with sufficient gray-scale representation and high resolution is formed on a medium to be recorded, such as an intermediate transfer body, using a thermal printer employing thermal transfer ink. When thermal transfer ink of a thermal transfer ink ribbon ... | 06/10/2008 |
| 7345791 | Image processing device and image processing method An image processing device for processing an input image so as to reproduce a halftone, includes: a matrix setting section for setting a threshold matrix having a plurality of elements arranged in M columns×N rows, at least two threshold values being stored in each... | 03/18/2008 |
| 7324237 | Image recording apparatus correcting the image recording position based on the detected result of the recording material This invention relates to an image recording apparatus provided with a transporting unit transporting an image recording material whose shape has at a least one side in a predetermined transporting direction; an image recording position detecting unit detecting a po... | 01/29/2008 |
| 7314322 | Printing system that corrects image data based on environmental history data A printing system according to the present invention includes a media terminal box which may be installed on a street. In the box, there are disposed a measuring device that measures the temperature or humidity in the box, a device such as a CPU, and a storage devic... | 01/01/2008 |
| 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 |
| 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 |
| 7120214 | Synchronous signal transfer and processing device A transfer circuit includes a plurality of cascaded latch circuits. Two consecutive latch circuits in the transfer circuit complementarily enter a latching state and a transparent state in response to the applied clock signal, and data/a signal is transferred throug... | 10/10/2006 |
| 7119821 | Color thermal printer and color thermal printing method In a color thermal printer, printing units for each color image are disposed along transporting path of recording sheet. In each printing unit, a thermal head and a platen roller are provided. Recording sheet is pressed on the thermal head by the platen roller and t... | 10/10/2006 |
| 7116449 | Image processing apparatus In an image processing apparatus which performs first and second operations, a first processor processes image data in correspondence to the first operation, while a second processor which processes image data in correspondence to the second operation. Further, a me... | 10/03/2006 |
| 7075674 | Image recording apparatus When correction data is set, a CPU 3 reads out the correction data from an EEPROM 8 through strobe signal lines STB1-N to STB4-N and supplies it as print data signals DATA3 to DATA0 to an LED driver IC 6. When the dri... | 07/11/2006 |
| 6934054 | Method and apparatus for two-color thermal point of sale (POS) printing A 2-color thermal point of sale (POS) printer includes a converter for converting full color printing commands into a commands for printing in two colors, a primary color and an alternate color. A three color image is possible when using the background color of the ... | 08/23/2005 |
| 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 |
| 6545773 | Compensation for print-direction induced hue shift using depletion Color printheads in a color inkjet printer are in a fixed order in the scanning carriage, which causes the colors to be printed in a different order when the carriage is scanned in an opposite direction. The different print order may result in a perceptib... | 04/08/2003 |
| 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 |
| 6411318 | Color converting method, density-gradient correction method and color printer using the same A method of color conversion includes preserving a 0% density for a particular color in the pre-conversion state to maintain a 0% density after conversion is provided via a translation table. Density gradation methods include a gradient value structure su... | 06/25/2002 |
| 6331832 | Auto-ranging digital densitometer with lookup table An auto-ranging digital densitometer, for determining the optical density of a test sample, includes a photodetector and a digital logarithmic converter. Within the logarithmic converter, an amplifier circuit is adapted to produce an output signal proport... | 12/18/2001 |
| 6283570 | Printer with correction data for number of tones which is fewer than number of tones that image data have A printer apparatus comprises a head having k (number) printing elements for printing an image data. A printing element selecting section selects a printing element driven at the time of printing among the k printing elements of the head. An image correct... | 09/04/2001 |
| 6252678 | Image formation method A method for forming an image comprises the steps of dividing an inputted image into a plurality of unit areas, preparing at least five gradation conversion tables relating a density value of the density data to a dot generation energy value corresponding... | 06/26/2001 |
| 6225618 | Digital densitometer with auto-ranging An auto-ranging densitometer is disclosed for determining the density of a test sample, wherein the densitometer includes a photodetector and an amplifier circuit adapted to produce an output signal proportional to intensity of light on the photodetector.... | 05/01/2001 |
| 6222176 | Digital densitometer with lut output summation to yield density value An auto-ranging densitometer includes a photodetector and an amplifier circuit adapted to produce an output signal proportional to intensity of light on the photodetector. The amplifier circuit has multiple gains that successively increase. An analog to d... | 04/24/2001 |
| 6222572 | Thermal recording apparatus The energy amount supplied to each dot forming a pixel is determined to 8 levels. In a dot pattern of the gradation level 1, the energy amount level 1 is provided to a dot 35 of the pixel 31. In the gradation level 2, the energy level 1 is provided to the... | 04/24/2001 |
| 6088050 | Non-impact recording apparatus operable under variable recording conditions In a non-impact recording apparatus that includes a plurality of recording elements, there is provided a source of first data signals representing for each of plural pixels density, size or percentage of coverage for recording. A first look-up table memor... | 07/11/2000 |
| 6052138 | Shading compensation method In the improved shading compensation method applied to thermal recording for recording on a thermal recording material by using a thermal head having a glaze in which heat-generating elements are arranged in one direction, and by relatively moving the gla... | 04/18/2000 |
| 6031554 | Halftone recording method and apparatus A recording sheet is fed two times for recording of one line. Two recording operations corresponding to the respective sheet feeding operations are performed in a dispersive manner based on gradation data that are different for the respective sheet feedin... | 02/29/2000 |
| 5934811 | Line printer A line printer including a device for receiving gradation scale values of pixels for one line to be printed, and a plurality of tables for correcting a density variation caused by common resistance unevenness. The line printer further includes a device fo... | 08/10/1999 |
| 5896160 | Thermal printing method and thermal printer A thermal printer using a thermal head having a plurality of heating elements arranged in line, wherein the heating elements are driven for different power conduction times to record dots at different densities. According to the invention, the thermal pri... | 04/20/1999 |
| 5795081 | Line printer A line printer including a device for receiving gradation scale values of pixels for one line to be printed, and a plurality of tables for correcting a density variation caused by common resistance unevenness. The line printer further includes a device fo... | 08/18/1998 |
| 5765953 | Control device of energy supply for heating elements of a thermal head and method for controlling energy supply for said heating elements A control device which controls the supply of energy heating elements of a thermal head. The control device to a memory includes for storing multiplication results as correction energy values of combinations of influence parameters, each of the influence ... | 06/16/1998 |
| 5604526 | Correction apparatus for thermal printer A correction apparatus for a thermal printer includes a memory for storing the deviation quantity of each heating element of a thermal print head or a temperature correction quantity, a first computer means for adding introduced image data and the deviati... | 02/18/1997 |
| 5589959 | Optical modulation device having a polymer network containing free molecules of a chiral liquid crystalline material An optical modulation device is described, which comprises two substrates, which are provided with at least one electrode, and an optically active layer situated between said two substrates, the optically active layer comprising a liquid crystalline mater... | 12/31/1996 |
| 5473355 | Thermal printing method and thermal printer Half-tone image data and character image data are discriminated from each other with reference to discrimination data, and are stored separately from each other. In accordance with the image to be printed, one of a character print table and a half-tone pr... | 12/05/1995 |
| 5453775 | Medical image forming apparatus A medical image forming method including, the steps of superposing a three-primary-color thermal transfer sheet and an image receiving sheet, the thermal transfer sheet having a base film and three color dye layers of yellow, magenta, and cyan, each of th... | 09/26/1995 |
| 5400059 | High speed thermal printer A high speed thermal printer including a maximum data detector for detecting maximum gradation data from the image signal of a line received from a signal input source on a line-by-line basis, a drum motor for transporting printing paper, a reel motor for... | 03/21/1995 |
| 5349373 | Thermal head drive unit A thermal head drive unit comprises electric power supply means for supplying electric power to heat-generating resistor elements arranged in a line in a thermal head. Head drive means is provided for electrically driving the heat-generating resistor elem... | 09/20/1994 |
| 5319391 | Thermal printing apparatus A thermal printing apparatus for printing input gradational images, characters and figures by using multilevel density which can appropriately regulate the levels of the densities representing the gradational images etc. to be printed by a linear thermal ... | 06/07/1994 |
| 5257098 | Printing method of color video printer A high-speed printing method capable of considerably reducing a printing time consumption in a color video printer having at least one line memory coupled to receive at least one line data indicative of a given color image from a video memory, and provide... | 10/26/1993 |
| 5216440 | Gradation control circuit of line thermal printer A gradation modulating apparatus is provided in a line thermal printer having a plurality of resistive elements arranged linearly widthwise of a medium sheet for printing gradated dots line-sequentially according to gradation image data. A memory is provi... | 06/01/1993 |
| 5216439 | Scaling systems for data recorders Data is recorded with a plurality of clocked recording elements in a plurality of recordings in a plurality of different scales determined by different data recording parameters. Data recording parameters for any scale are electronically fixed for each re... | 06/01/1993 |
| 5214446 | Gradation record printer A gradation record printer in which an amount of energy applied to a thermal head is controlled in response to a gradation level of an input image signal to print an image on a printing medium with gradations. The printer comprises a gradation density det... | 05/25/1993 |
