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| Number | Title | Issue Date |
| 7320284 | Non-offset image forming device with stimulated ink key interface and method An ink key simulator for image forming devices may simulate the effect of ink key adjustments in offset presses. The image adjustment may be made in response to activation of a simulated ink key, for example, by adjusting the pixel values of the stored data and/or b... | 01/22/2008 |
| 7223031 | Print ribbon panel color identification A ribbon sensor includes a first and second emitter and a receiver. The first emitter is configured to transmit a yellow light signal and the second emitter is configured to transmit a blue light signal. The receiver is configured to produce an output signal in resp... | 05/29/2007 |
| 7061516 | Thermal printer, thermal printing method, and thermosensitive recording material In a color thermal printer, a thermal head has an array of heating elements, arranged in a main scan direction, for thermal recording to respectively pixels on thermosensitive recording material. The recording material is moved relative to the thermal head in a sub ... | 06/13/2006 |
| 6985166 | Color printer with an optical encoding disk for economizing the length of a ribbon A color printer for economizing ribbon includes a ribbon including dye regions, and each dye region includes a plurality of dye areas for carrying dye of different colors. The color printer further includes a print head for transferring dye on the ribbon onto a subj... | 01/10/2006 |
| 6962451 | Carrier device for thermal transfer medium, discrimination method using the same, and printer The invention provides a carrier device for a thermal transfer medium comprising a spool for winding and supporting a thermal transfer sheet or a thermal transfer receiving sheet, wherein a mark containing a coloring material which absorbs an electromagnetic wave of... | 11/08/2005 |
| 6899478 | Method and machine for card color printing A method for ribbon color thermal printing and encoding cards, particularly pre-paid, smart cards, chip cards, and the like is disclosed. The method includes the steps of detecting the printing ribbon color, controlling the thermal printing energy feed and driving t... | 05/31/2005 |
| 6778200 | Thermal transfer printer, dyesheet and method of operation A thermal transfer printer includes three light emitting diodes (7, 8, 9) emitting red, green and blue light respectively, and respective detectors (10, 11, 12) mounted on the opposite side of a dyesheet (1) passing through the printer. The dete... | 08/17/2004 |
| 6726383 | Color printer with a single sensor for detecting ink ribbon position A color printer with a single photo sensor for detecting the position of the ink ribbon. A single photo sensor is place so that it can detect transparent and opaque sections of the ink ribbon. The ribbon winds at a constant speed, so the pattern of transparent and o... | 04/27/2004 |
| 6686944 | Method for recognizing a color of a printing ribbon and ribbon format thereof A method for recognizing a color of a printing ribbon includes providing a printing ribbon having a repeated sequence of dyed and undyed regions such that output of a photosensor sensing the ribbon is a low or high level based on a threshold. The method i... | 02/03/2004 |
| 6618067 | Thermal color printer A thermal printer using colorful rays and infrared rays for identifying colorant regions of an ink sheet is provided. The ink sheet includes a number of colorant region sets. Each colorant region set includes a yellow region, a magenta region, a cyan regi... | 09/09/2003 |
| 6509920 | Ink ribbon positioning system of a color printer An ink ribbon positioning system of a color printer for identifying various positions of a color ink ribbon of the color printer. The ink ribbon includes a plurality of sequentially arranged color frames for storing different color dyes. The color printer... | 01/21/2003 |
| 6509919 | Apparatus adapted to sense a colorant and method for sensing color and detecting a donor mispick condition An apparatus for donor colorant detection and donor pick sensing employs N light sources of distinct wavelengths paired with N photosensors. Measured light values for a donor are combined to form an N-dimensioned coordinate value which is then compared ag... | 01/21/2003 |
| 6493017 | Color printer with sensors arranged along a length of a ribbon for detecting the ribbon's position A color printer includes an ink ribbon having a plurality of sequentially arranged dye regions, each of the dye regions having a plurality of dye frames for carrying dye of different colors, a ribbon driving device for causing the ink ribbon to move in a ... | 12/10/2002 |
| 6448991 | Color panel identification and synchronization in a thermal printer A device adapted to recognize a color dye frame from a color ribbon (for use in a thermal printer) comprises a LED (light emitting diode) capable of producing white light, positioned so that the ribbon passes between the LED and a photo-transistor. The ph... | 09/10/2002 |
| 6412991 | Identification code for color thermal print ribbon A ribbon for a thermal printer has a series of frames of different colors in a sequence that are correlated to the position of cards to be printed. The ribbon has indexing marks for each frame and also indicators for each repeating sequence of frames. The... | 07/02/2002 |
| 6396526 | Ink ribbon positioning system of a color printer An ink ribbon positioning system of a color printer for identifying various positions of a color ink ribbon of the color printer. The ink ribbon includes a plurality of sequentially arranged color frames for storing different color dyes. The color printer... | 05/28/2002 |
| 6323955 | Image forming apparatus The image forming apparatus provides a plurality of recording units to form images based on their respective image data, overlaying the images formed by the plurality of recording units on a single transfer member traveling in a predetermined direction, c... | 11/27/2001 |
| 6080993 | Detection of type of dye donor element in a thermal printing system The present invention provides a thermal printing system equipped with at least 3 light sources and 3 photodetectors positioned opposite thereto for detecting the type of dye donor element. One of said light source illuminates a dye frame whereas the othe... | 06/27/2000 |
| 6010259 | Donor ribbon and method of making same A donor ribbon and method capable of detecting donor ribbon type and aligning color patches relative to a print head. A dye donor ribbon having a predetermined width includes a plurality of donor color patches thereon. Separating adjacent ones of the patc... | 01/04/2000 |
| 5978005 | Thermal printer and method for detecting donor ribbon type and for aligning color patches relative to a print head Thermal printer and method for detecting donor ribbon type and for precise alignment of color patches relative to a thermal resistive print head. The printer includes a thermal resistive print head for thermally activating each donor color patch in a seri... | 11/02/1999 |
| 5781219 | Ink sheet and thermal transfer type color printer An ink sheet for a thermal transfer type color printer. In the ink sheet, a head sensor mark is provided in a transparent portion on one side of a base film, one identification sensor mark is provided in a boundary between specific colorants, and no senso... | 07/14/1998 |
| 5751601 | Autocalibration of optical sensors A method of calibrating optical sensors for a thermal printer (10) is disclosed. A thermal printer for printing color images which uses a dye donor web having a repeating series of spaced frames of yellow, magenta and cyan colored heat transferable dyes, ... | 05/12/1998 |
| 5636926 | Tape-shaped label producing device Either when the tape cassette is loaded in the tape-shaped label producing device or directly after power is turned on, the tape and the ink ribbon are fed in synchronization in a printing direction. At this time, with using the distinction marks, the ink... | 06/10/1997 |
| 5501537 | Ink ribbon A printing unit header finding mark PH1 is formed at the head of the color ink areas Y (yellow), M (magenta), C (cyan), and K (black). Color header finding marks YH, MH, CH, and KH which are respectively formed at the head of the color ink areas Y, M, C, ... | 03/26/1996 |
| 5480237 | Color printer having a ribbon controller A color printing apparatus includes a printing head which prints different color segments of an ink ribbon on a sheet, and an image data memory storing a plurality of color image data corresponding to a color image. The color segment opposed to the printi... | 01/02/1996 |
| 5445464 | Ink ribbon usage in a multicolor image recording apparatus An image recording apparatus for recording an image on a recording medium has a plurality of ink ribbon mounting portions on which a multicolor ink ribbon having inks of plural colors and a monochromatic ink ribbon having monochromatic ink can be mounted,... | 08/29/1995 |
| 5434597 | Thermal transfer recorder In a color thermal transfer recorder, L is set to a distance from a printing position to first and second sensors for detecting each of marks, q is set to a pitch between the marks, N is set to an integer equal to 2 or more, S is set to an arbitrary value... | 07/18/1995 |
| 5424762 | Color printer capable of utilizing a jointed color ink sheet The provision is made of a firmware (F/W: ROM, RAM) which enables an accurate indexing of an ink sheet so that printing is not performed at the joint portion when an ink sheet having a joint is used. Therefore, an ink sheet having a joint can be used, dec... | 06/13/1995 |
| 5287124 | Color video printer having a multicolor printing mode and a monochromatic printing mode A color video printing apparatus includes a first sensor detecting a recording medium and determining whether the recording medium is a thermalsensible one, and a second sensor detecting a color ink ribbon cartridge which accommodates a color ink ribbon t... | 02/15/1994 |
| 5266967 | Edge reading donor sensors for a thermal printer A thermal printer is provided with edge reading donor sensors that detect the presence of different color patches on the donor as the donor advances. The sensors detect the intrusion of a new color patch during the print cycle to stop the donor advance an... | 11/30/1993 |
| 5196862 | Apparatus and method for donor sensing at the print line in a thermal printer A thermal printer contains a thermal print head with a bead line, a print drum with surface openings, and a two-part sensor assembly with a first member mounted on the thermal print head adjacent the bead line and a second member mounted in one of the sur... | 03/23/1993 |
| 5162816 | Method for setting color of color ink ribbon in thermal transfer printer The present invention relates to a method for setting a desired color in a thermal transfer printer using a color ink ribbon which has ink sections of plural colors arranged in continuous repeating units in the longitudinal direction of the ink ribbon. Ta... | 11/10/1992 |
| 5144331 | Drive control method for thermal transfer printer A drive control method for a thermal transfer printer adapted to carry out printing by melting a thermofusible ink of an ink ribbon and transferring the molten ink onto a printing paper. The ink ribbon is formed with a blank portion coated with no ink, wh... | 09/01/1992 |
| 4970531 | Thermal transfer printer A thermal transfer printer includes a mark disposed on an ink spool of an ink film cassette, reading device for reading the rotation of the ink spool by use of the mark, a calculation device for calculating the used quantity of ink film by use of the rota... | 11/13/1990 |
| 4910533 | Color thermal printer A color thermal printer of a type which utilizes any one of ink ribbons of different color combination, which comprises a different identifiers provided on and peculiar to each of the different ink ribbons and descriptive of the color combination of the r... | 03/20/1990 |
| 4771296 | Transfer ribbon feed arrangement A transfer ribbon feed arrangement for use in a transfer type recording apparatus which transfers onto a recording sheet by sequentially feeding the transfer ribbon includes a feed roller disposed on the feed side of the transfer ribbon for feeding the tr... | 09/13/1988 |
| 4710781 | Thermal printer color dye frame identification using red and yellow light sources In a thermal printer for printing color images which uses a carrier having a repeating series of spaced frames of yellow, magenta and cyan colored heat transferable dyes, apparatus for identifying the different color frames of each series uses a source of... | 12/01/1987 |
| 4642655 | Color-indexed dye frames in thermal printers A carrier which can be used in a thermal printer includes a repeating series of spaced yellow, magenta and cyan dye frames having clear interframe areas disposed between dye frames. A cyan code patch is disposed in a portion of the clear interframe betwee... | 02/10/1987 |
| 4620199 | Thermal transfer color printer A thermal transfer color printer according to the present invention thermal inkribbon having heat-fusible color materials in a plurality of colors divided in the feed direction, a thermal head which moves relative to a print paper in order to cause the se... | 10/28/1986 |
| 4614950 | Recording apparatus capable of precisely positioning a recording sheet A heat transfer recording apparatus comprises rotatable means for winding a recording sheet thereon, a transfer sheet having a layer of heat transfer material, guide means for winding the transfer sheet on the outer peripheral surface of the rotatable mea... | 09/30/1986 |
