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| Number | Title | Issue Date |
| 7609284 | Method for quality improvement of printing with a thermotransfer print head and arrangement for implementation of the method In a method and apparatus for improving the printing with a thermotransfer print head, an energy value is calculated before the printing process according to different types to be implemented when a dot is to be printed. Energy values also are calculated for the hea... | 10/27/2009 |
| 7456854 | Thermal printer A thermal printer includes a control part; a thermal head that is heated upon a heating instruction from the control part and stops heating upon a heating-ending instruction from the control part; a temperature detector that detects a temperature of the thermal head... | 11/25/2008 |
| 7382388 | Thermal printer A thermal printer performs printing on a paper based on printing density data input. The thermal printer includes a thermal head having at least one heating element; a temperature detector which detects a temperature of the thermal head; and a control part which is ... | 06/03/2008 |
| 7379082 | Method and apparatus for controlling in thermal printer A system and method is provided for controlling printing in a thermal printer which includes measuring a temperature of a thermal printhead (TPH), heating the TPH by applying a TPH driving strobe pulse when the temperature of the TPH is lower than a first set temper... | 05/27/2008 |
| 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 |
| 7256804 | Arrangement and method for activation of a thermotransfer print head An arrangement for activation of a thermotransfer print head has a unit to determine a transport delay and a unit to generate supplementary heating pulses to maintain a temperature required for printing at the thermo-printing heating elements. The unit to determine ... | 08/14/2007 |
| 7101006 | Printhead substrate, printhead, temperature control method of printhead, and printing apparatus This invention provides simpler, low-cost printhead temperature adjustment means without complicating the driver arrangement of a printhead substrate. In a printing apparatus to which this invention is applied, when printing by alternately driving two printheads hav... | 09/05/2006 |
| 7091999 | Thermal printing apparatus and printing method A printing apparatus including a thermal head, a measurement device that measures a temperature of the thermal head and a controller. The controller controls a printing speed on the basis of the measured temperature as measured by the measurement device, determines ... | 08/15/2006 |
| 6916087 | Thermal bend actuated inkjet with pre-heat mode An inkjet printhead with thermal bend actuators for ejecting ink from the nozzle apertures and drive circuitry for operating each thermal bend actuator in a normal mode wherein drive signals to the actuator ejects ink from the chamber, or a pre-heat mode wherein dri... | 07/12/2005 |
| 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 |
| 6714226 | Thermal head and controller for controlling the same A thermal head includes a metal substrate; an insulating layer formed on the surface of the metal substrate; a plurality of heating elements disposed on the surface of the insulating layer, the heating elements being arranged with a predetermined pitch along a plura... | 03/30/2004 |
| 6670976 | Method of and apparatus for controlling thermal head A thermal head is provided with a plurality of heater elements which are arranged in a main scanning direction. The heater elements are selectively energized according to black and white information for the pixels to be formed by the respective heater ele... | 12/30/2003 |
| 6575544 | Optimizing driving pulses period to prevent the occurrence of satellite droplets A drive device used for an ink droplet ejecting apparatus prevents an occurrence of a satellite ink droplet and improves printing quality. When ejection of an ink droplet is performed with two pulses and an ambient temperature surrounding a head is betwee... | 06/10/2003 |
| 6357348 | Heat-sensitive stencil master making apparatus A heat-sensitive stencil master making apparatus for making a stencil master by imagewise perforating thermoplastic film of heat-sensitive stencil master material according to an image on an original includes a thermal head which has an array of a plurali... | 03/19/2002 |
| 6297841 | Thermosensitive recording method and apparatus A thermally sensitive printing apparatus and method checks the temperature of a recording device after rolling back a recording medium to a ready position. If the temperature is below a first predetermined value, a warm-up operation is performed allowing ... | 10/02/2001 |
| 6154243 | Reversible thermal recording method and apparatus therefor A reversible thermal recording method using a color/non-color type reversible thermosensitive recording material which has a recording layer formed overlying at least one side of a substrate and including an electron donating coloring agent and an electro... | 11/28/2000 |
| 6069643 | Thermal Transfer recording apparatus and method to reduce ink sheet sticking A thermal transfer recording apparatus for performing recording of data on a recording medium by transferring ink of an ink sheet on said recording medium comprises conveying means for conveying said ink sheet and recording medium, recording means for eff... | 05/30/2000 |
| 6043832 | Method of and system for driving thermal head including a plurality of heating elements In an inventive method of driving a thermal head including heating resistors corresponding to a line of dots, the heating resistors are grouped into blocks consisting of the same number of heating resistors. After producing main printing data for one line... | 03/28/2000 |
| 6037958 | Method for cleaning thermal printing head A method for cleaning a thermal printing head, particularly in use for perforating stencil sheets, is provided, which does not require a special stencil sheet nor damage the thermal printing head, but makes it possible to remove deposits as required. The ... | 03/14/2000 |
| 6037961 | Thermal printing method and thermal printer A thermosensitive recording sheet is conveyed relative to a thermal head. To effect thermal recording, the thermal head applies heat energy to the recording sheet. The recording sheet is preheated with preheating energy shortly before recording of the rec... | 03/14/2000 |
| 5963241 | Thermal head control method and device for making a stencil master plate In a thermal head control method for thermally making a stencil master plate from a thermal stencil master plate sheet in the manner of a dot matrix for each line and forming an independent hole for each dot, a physical quantity representing the temperatu... | 10/05/1999 |
| 5903714 | Thermal printing method and thermal printer A thermal head has a heating element array with a plurality of heating elements disposed in line and a head driver. The head driver drives the heating elements at the same time in accordance with each set of heating data of 8 bits to record dots of one li... | 05/11/1999 |
| 5880753 | Temperature compensation apparatus and recording head and apparatus using the same In a liquid discharging recording head having recording liquid discharging heaters for generating an energy for discharging the recording liquid and a plurality of compensating heaters for heating recording liquid, both of which are disposed on the same s... | 03/09/1999 |
| 5874980 | Thermal demand printer A thermal demand printer for printing on media is a novel system which includes a case structure including a hinged cover panel, easily removable guide structures and media hanger, and a single central support wall to which the various components are atta... | 02/23/1999 |
| 5867200 | Print head, and print pre-heat method and apparatus using the same A print head of this invention has a plurality of heater boards, and each heater board has a plurality of heating resistors, driver circuits corresponding to the heating resistors, one shiftregister for inputting serial data, a data latch circuit for latc... | 02/02/1999 |
| 5798789 | Recording method and apparatus with preheating using inverted image data Thermal transfer recording apparatus for recording image on the recording medium by transferring ink of the ink sheet on the recording medium characterized by being provided with the ink sheet conveying means, the recording medium conveying means, recordi... | 08/25/1998 |
| 5734411 | Method for making an image by direct thermal imaging A method for making an image by means of a direct thermal imaging element, comprising on a support a thermosensitive layer incorporating an organic silver salt and a reducing agent contained in said thermosensitive layer and/or in other optional layers. T... | 03/31/1998 |
| 5734392 | Ink jet printhead heating during margin periods The heater chip (1) of an ink jet printer (10) has two substrate-heater resistors (3a and 3b) powered by the same power supply (24) as are the nozzle heaters (5) on the chip. Printhead (12) carries chip (1) and moves across paper (16) alternately left-to-... | 03/31/1998 |
| 5712671 | Thermal recording method and apparatus varying the number of auxiliary heating pulses based on the length of time between recording operations A recording apparatus for recording on a recording medium includes plural heat generation-activated recording elements, and a discrimination circuit for discriminating the waiting time between the termination of a first recording operation and beginning o... | 01/27/1998 |
| 5706043 | Driving method of thermal printer In a driving method of a thermal printer, in which method heating elements are driven by strobe pulses consisting of preheat pulses and subsequent drive pulses that depend on a gradation level, the preheat pulse width and the frequency of basic clock puls... | 01/06/1998 |
| 5699100 | Direct color thermal printing method A direct color thermal printing method supplements coloring density in a print start area for each color frame of a full-color image to be printed in a three color sequential fashion. A color thermosensitive recording sheet has cyan, magenta and yellow th... | 12/16/1997 |
| 5696547 | Recording apparatus with auxilliary recording and method thereof A thermal transfer recording apparatus for image recording on a recording medium by transferring the ink of an ink sheet onto said recording medium, comprises ink sheet transport means for transporting said ink sheet, recording medium transport means for ... | 12/09/1997 |
| 5689292 | Multi-step heating of a recording head A recording apparatus for recording an image on a recording material includes a heat generating element for controlling a temperature of a recording head, a driver for driving the heat generating element to generate heat, and control circuitry for control... | 11/18/1997 |
| 5680168 | Color thermal printing method A color thermal printing method capable of preventing a color registration shift and shading. A color thermosensitive recording sheet has cyan, magenta, and yellow thermosensitive coloring layers, respectively formed on a base in this order. A thermal sen... | 10/21/1997 |
| 5661512 | Thermal printer and thermal head control method A thermal printer has a thermal head, which includes plural heating elements arranged in a main scanning direction. The heating elements are driven while the thermal head and a color thermosensitive recording sheet are moved relatively in a sub scanning d... | 08/26/1997 |
| 5661514 | Method and apparatus for controlling a thermal print head A driver circuit provides a plurality of drive energies having a plurality of thermal distributions associated therewith. These thermal distributions interact with print media to form binary images having active and inactive areas. A driver control circui... | 08/26/1997 |
| 5581294 | Serial thermal printing method A thermal head has a plurality of heating elements disposed in line. These heating elements are grouped into sets of four heating elements. Each set records one pixel which is constituted by 4×8 cells disposed in a matrix shape. Each cell is selectively ... | 12/03/1996 |
| 5559545 | Perforating device of stamp unit A perforating device used by a stamp unit for perforating a desired character string pattern on a print face portion of the stamp unit which incorporates an ink impregnation member covered with heat sensitive stencil paper including a thermoplastic film. ... | 09/24/1996 |
| 5381164 | Recording method and apparatus for preheating a thermally activated printing read A recording apparatus for performing recording on a recording medium includes a plurality of recording elements, and a control unit for selectively providing energy having a level lower than an actual recording level to adjacent ones of the plurality of r... | 01/10/1995 |
| 5231421 | Thermal transfer recording apparatus with delayed driving A thermal transfer recording apparatus for transferring the ink of an ink sheet to a recording medium to thereby effect the recording of images on the recording medium has a first motor for conveying the ink sheet, a second motor for conveying the recordi... | 07/27/1993 |
