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| Number | Title | Issue Date |
| 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 |
| 7277110 | Laser-based thermal printer One embodiment described pertains to a thermal printer is provided having a spatial light modulator (SLM) to modulate light from a laser source to record information on a thermal-sensitive surface of a recording medium, and a heater adjacent to the medium to preheat... | 10/02/2007 |
| 7213993 | Thermally activating device and printer apparatus A thermally activating device has a pair of conveyor rollers which convey a heat-sensitive adhesive sheet while sandwiching the sheet therebetween, and a guide member provided at an anterior stage of the conveyor rollers for abutting on one surface of the heat-sensi... | 05/08/2007 |
| 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 |
| 7154518 | Pre-heating system usable with image forming device based on behavior profile of user and a method thereof A pre-heating system usable with an image forming device based on a behavior profile of a user and a method thereof including sensing, according to time, program operation patterns of at least one user executing at least one application program of at least one termi... | 12/26/2006 |
| 6672711 | Driving circuit capable of maintaining heat equilibrium of a print head nozzle A driving circuit drives an ink jet print head in a printing device. The ink jet print head has ink jet cells and heating elements corresponding to the ink jet cells. The driving circuit has a driving signal generator that provides two different driving s... | 01/06/2004 |
| 6670978 | Recording method and apparatus in which respective distances between a heating spot and a plurality of recording spots are substantially constant A recording apparatus for recording on a recording medium in a heated mode includes a first emitting portion and a second emitting portion. The first emitting portion emits writing light for providing recording spots on the recording medium. The second em... | 12/30/2003 |
| 6661531 | Method for adaptively matching print quality and performance in a host based printing system A method for adaptively matching print quality and performance in a host based printing system including a host computer connected to a printer via an interface. The method includes the steps of: determining a print process time corresponding to an amount... | 12/09/2003 |
| 6646665 | Thermal recording system for post-heating a thermosensitive recording medium and method therefor A thermal recording system for recording an image on a thermo-sensitive recording medium using a laser beam under a preheated condition of the thermo-sensitive recording medium. In the thermal recording system, a preheating device preheats the thermo-sens... | 11/11/2003 |
| 6634731 | Print head apparatus capable of temperature sensing A print head apparatus capable of temperature sensing is provided. The print head apparatus includes an ink ejector coupled to an enabling signal and a selection signal for selecting the ink ejector. The ink ejector includes a nozzle, a heating module for... | 10/21/2003 |
| 6601936 | Real time adaptive inkjet temperature regulation controller The invention relates to an inkjet temperature regulation controller that includes a time base circuit adapted to generate a clock signal and a head temperature sampler adapted to generate head temperature data by sensing print head temperature responsive... | 08/05/2003 |
| 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 |
| 6186683 | Recording apparatus In a heat transfer recording apparatus for printing images on recording paper by bringing ink film in contact with recording paper and heating them by means of a thermal head, the preheating time of the thermal head is decided based on the thermal head te... | 02/13/2001 |
| 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 |
| 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 |
| 5920331 | Method and apparatus for accurate control of temperature pulses in printing heads A method and apparatus for producing a thermal pulse for a drop on demand printer actuator. A varying voltage pulse is applied to a resistance heater forming part of the actuator, which generates time varying power in the resistance heater. The power vari... | 07/06/1999 |
| 5864351 | Heater power compensation for thermal lag in thermal printing systems A method of and apparatus for compensating printing heads which operate in thermal drop on demand printing modes for the effects of thermal lag includes a counter which provides a number representing the amount of elapsed time during a heater energizing p... | 01/26/1999 |
| 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 |
| 5691757 | Laser marking method and aqueous laser marking composition This invention relates to a laser marking method which comprises heating a base article having on its surface a thin film of a laser marking composition containing a color former and a color developer having a melting point of 200° C. or above, and then ... | 11/25/1997 |
| 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 |
| 5606355 | Ink jet recording apparatus for adjusting recording mode based on number of recording heads An ink jet recording apparatus wherein a CPU checks the number of recording heads mounted on a carriage, sets a recording mode based on the number of recording heads, determines a combination of a drive frequency and a drive pulse width in accordance with... | 02/25/1997 |
| 5587733 | Recording apparatus which avoids ink sheet sticking and image streaking A heat transfer recording apparatus for recording an image on a recording medium by transferring an ink possessed by an ink sheet to the transfer medium comprises conveying means for conveying the ink sheet and the recording medium, recording means for re... | 12/24/1996 |
| 5453776 | Heating element energization method for a thermal printer A method for controlling the energization of a thermal printing heating element by a succession of current impulses (I) separated according to a printing raster is described. The current impulses (I) upon exceeding a pre-given energy content effect a prin... | 09/26/1995 |
| 5451988 | Recording apparatus with controlled preheating of a thermally activated printing head A recording apparatus uses a thermal head which includes a plurality of heat generating elements divided into blocks. Recording is controlled by sequentially selecting each block during a recording period and driving the heat generating elements in that b... | 09/19/1995 |
| 5291219 | Thermal transfer recording apparatus having preheating There is disclosed a thermal transfer printer for image recording by ink transfer from an ink sheet onto a recording sheet, capable of stable sheet transportation and improvement in image quality. The printer has transport mechanisms for the ink sheet and... | 03/01/1994 |
| 4972206 | Method and apparatus for fusing thermal transfer prints A method for fusing thermal transfer prints to avoid blister-type defects. The method includes in order, the steps of rapidly heating respective print image portions to a first temperature slightly below their respective components boiling temperature, ma... | 11/20/1990 |
| 4963884 | Thermal printer for preheating a recording sheet A thermal printer for recording an image on a thermosensitive recording sheet has a thermal head for recording an image on the thermosensitive recording sheet, the thermal head having a plurality of heat generating elements, and a controller for controlli... | 10/16/1990 |
| 4955736 | Method and apparatus for energizing thermal head in accordance with dot pattern coincidence tables The image data including a grid pattern to be printed by a thermal printer line by line is stored for three lines of dots in a plural line buffer, and the image data is scanned by a window frame of an inverted T-shape which covers the three lines. When a ... | 09/11/1990 |
| 4841154 | Thermal copying apparatus A thermal copying apparatus disclosed holds an original and a recording sheet in intimate contact with each other between a holding member and a transparent member and operates a light source to irradiate the original through the transparent member thereb... | 06/20/1989 |
| 4827286 | Thermal transfer printer There is a thermal transfer printer for recording dot information by use of heating energies. This printer comprises: a memory in which dot information indicative of a pattern to be recorded is stored; a thermal head to generate heating energies; and a co... | 05/02/1989 |
| 4806950 | Image recording apparatus for heat generation type An image recording apparatus of a type using a heat sensitive record paper including a thermal head having a number of heat generating resistors aligned in a line extending in a width direction of the record paper which is fed under the thermal head at a ... | 02/21/1989 |
| 4539571 | Thermal printing system Disclosed is a thermal printing system in which, an auxiliary heating means is driven to heat a main heating means for dot printing to a print feasible temperature, and at the time of dot printing, the main heating means is heated to the said print feasib... | 09/03/1985 |
| 4415907 | Printing pulse control circuit for thermal printing head In a thermal printing head for use in a facsimile printer or the like, unevenness of printing consistency occurs which is due to temperature variation of the thermal resistor elements and due to the difference in printing data resulting from black record ... | 11/15/1983 |
