| Patent Number |
Title Of Patent |
Date Issued |
| 7591532 |
Inkjet printing apparatus and inkjet printing method |
September 22, 2009 |
| This invention reduces an unprinted stripe occurred by edge deviation of a printhead. An inkjet printing apparatus according to this invention can execute a first printing mode in which an image is printed by scanning the printhead in a first region on the printing medium N times and |
| 7552985 |
Image printing apparatus and image printing method |
June 30, 2009 |
| In an image printing apparatus for printing an image by combining dots of a plurality of sizes, a banding problem attributable to variations in conveying operation, and a temperature rise of a print head with an increase of the number of ejections are solved with a relatively simple |
| 7552984 |
Inkjet recording apparatus and inkjet recording method |
June 30, 2009 |
| An inkjet recording apparatus includes a recording head having a nozzle array of plural nozzles capable of discharging ink. The inkjet recording apparatus performs a scanning/recording operation for forming an image on a recording medium by shifting the recording head in a main scanning |
| 7549720 |
Ink-jet recording device and ink-jet recording control method |
June 23, 2009 |
| An ink-jet recording device is capable of correcting a recording position due to a leaning of a printing head and correcting of driving timing between multiple printing heads. Each nozzle row of a printing head is classified into multiple nozzle groups, and the driving timing of the |
| 7533962 |
Ink jet printing apparatus and ink jet printing method |
May 19, 2009 |
| To provide an ink jet printing apparatus and ink jet printing method capable of printing at high speed and high image quality in accordance with the distance between the head and the paper. In performing a first print mode for printing to a unit region of the print medium by making t |
| 7460264 |
Recording apparatus, recording system, and method of controlling recording apparatus |
December 2, 2008 |
| A recording apparatus having a plurality of interfaces capable of communicating with external devices performs recording based on recording data input through any one of the plurality of interfaces. The recording apparatus determines which interface is used for receiving the recording |
| 7429094 |
Ink-jet recording device and dot-pattern recording method |
September 30, 2008 |
| A recording device drives a recording head mounted on a carriage while main-scanning by moving the carriage in a direction generally orthogonal to the sheet-feeding direction of a sheet. The recording device drives a first nozzle of the recording head at an upstream side in the sheet |
| 7380900 |
Imaging forming system, print control method and control program for printing apparatus |
June 3, 2008 |
| An image forming system includes: a computer for supplying image data; and a printer having a sub-tank for retaining ink to be supplied to a printing head and a system performing an on-demand supply of ink to the sub-tank. With the image forming system, during printing, the occurrence |
| 7344219 |
Ink jet printing apparatus and ink jet printing method |
March 18, 2008 |
| When a printing position is displaced by an inclination of a printing head, for example, the displacement can be corrected in an easy and effective manner and a user can easily recognize the displacement of the printing position to correct the displacement. To realize this, dots for |
| 7325900 |
Printing apparatus and inclination correction method |
February 5, 2008 |
| When bidirectional multi-pass printing is carried out by use of a printing head having an inclination, even if a bidirectional printing is somewhat displaced, an inclination of a printing position is corrected in a state where "band unevenness" is suppressed as much as possible. In order |
| 7296877 |
Ink jet printing apparatus and print position setting method |
November 20, 2007 |
| An ink jet printing apparatus and a print position adjusting method capable of easily adjusting a relative print position between nozzle lines are provided. Images are printed on a print medium in a drive mode A and a drive mode B by using a print head which has first and second nozz |
| 7296872 |
Printing apparatus and method of adjusting printing position |
November 20, 2007 |
| Image deterioration is suppressed as much as possible which is complexly generated by variations of printing positions respectively of printing elements in a printing element row and by displacement of printing positions among printing element rows. To this end, a first adjustment va |
| 7290855 |
Printing apparatus and printing method |
November 6, 2007 |
| When conveying tables for conveying the printing medium are selected to perform interlace printing, the occurrence of unevenness in an image which results from switching of the tables is prevented. It is determined whether a phase of the conveying table is a transfer inhibition phase in |
| 6854826 |
Discharge recovery method for ink jet apparatus using waterproof ink and ink jet apparatus emplo |
February 15, 2005 |
| A system using discharge orifices having first ink orifices for discharging a first ink and second ink orifices for discharging a second ink which is more difficult to be hardened than the first ink, a cap for covering the discharge orifices, and a suction device for effecting suction th |
| 6540327 |
Recording head capable of discharging a plurality of a ink having different desities and ink jet |
April 1, 2003 |
| An ink jet recording apparatus uses a recording head having discharge ports to discharge ink, and records by discharging ink from the recording head while enabling said recording head to travel in the direction of main scan. This apparatus comprises a recording head which is provided |
| 6447096 |
Ink jet recording apparatus and recovery method therefor |
September 10, 2002 |
| An ink jet recording apparatus comprises a recording head having discharge ports to discharge ink; an ink tank containing ink to be supplied to the recording head; and device for performing predischarges to stabilize ink discharges from the recording head. In this apparatus, the recordin |
| 6447095 |
Discharge recovery method for ink jet apparatus using waterproof ink and ink jet apparatus emplo |
September 10, 2002 |
| A system using discharge orifices having waterproof ink orifices for discharging waterproof ink which becomes water insoluble after drying and non-waterproof ink orifices for discharging non-waterproof ink, a cap for covering the discharge orifices, and a suction device for effecting |
| 6340217 |
Ink jet recording apparatus and recovery method thereof |
January 22, 2002 |
| An ink jet recording apparatus comprising a recording head having discharge ports for discharging the ink, an ink tank for storing said ink to be supplied to the recording head, and suction recovery device for stabilizing the ink discharge from the recording head, characterized in th |
| 6302520 |
Recording apparatus, recording method and control method for recording with reduced drive load |
October 16, 2001 |
| A recording apparatus for performing recording on a recording medium by scanning the medium with a recording device having heads of a plurality of colors has a setting device for setting a color recording mode for recording a color image or a monochromic recording mode for recording a |
| 6193351 |
System to perform ink jet printing head recovery |
February 27, 2001 |
| An ink jet printing system to perform printing by ejecting ink toward a printing medium by employing a printing head having ink passages for ejecting ink through ejection openings and a common ink chamber supplying the ink into the ink passages. The system includes detection of a per |
| 6183071 |
Ink jet recording apparatus and method for recording information with blend of plural types of i |
February 6, 2001 |
| An ink jet recording apparatus which performs recording using a plurality of types of inks which are different in nature such as level of thickness, improved to attain excellent gradation of recorded image with a reduced number of ink types which are prepared beforehand. In one form, a c |
| 6132022 |
Ink jet recording apparatus and method in which processing is controlled according to a property |
October 17, 2000 |
| The present invention aims to provide an ink jet recording apparatus and an ink jet recording method which can produce an image excellent in gradation and resolution and allows the image for text, graphics and listing to the obtained at high speed and good quality. The present invention |
| 6113210 |
Method and apparatus for ink-jet recording with inks having different densities |
September 5, 2000 |
| An ink jet recording apparatus and ink jet recording method record using different kinds of ink each having the same series color and a different density. The jet recording apparatus includes a converting unit for converting an input image density signal into an output image density |
| 6109720 |
Method and apparatus for ink-jet recording with inks having different densities |
August 29, 2000 |
| An ink jet recording apparatus and ink jet recording method record using different kinds of ink each having the same series color and a different density. The jet recording apparatus includes a converting unit for converting an input image density signal into an output image density |
| 6079809 |
Ink jet recording apparatus and method including prevention of color mixing through selective pr |
June 27, 2000 |
| An ink jet recording apparatus comprises a recording head having discharge ports to discharge ink; an ink tank containing ink to be supplied to the recording head; and means for performing predischarges to stabilize ink discharges from the recording head. In this apparatus, the recording |
| 6027196 |
Recording method for gradation recording with light-and dark-colored inks and apparatus therefor |
February 22, 2000 |
| In forming an image with plural recording heads corresponding to plural inks of different densities, the image data are so distributed that the image is formed with the ink of low density until the image density reaches a predetermined density level, but is formed with the inks of low |
| 5949447 |
Ink jet printer having exchangeable recording devices, a recovery control method and an ink jet |
September 7, 1999 |
| An ink jet printing apparatus capable of exchangeably mounting a plurality of kinds of recording devices provided with discharging devices for discharging ink. The apparatus includes a recovery operation device for effecting a recovery operation for recovering a discharge condition of a |
| 5825377 |
Method and apparatus for ink-jet recording with inks having different densities |
October 20, 1998 |
| An ink jet recording apparatus and ink jet recording method record using different kinds of ink each having the same series color and a different density. The jet recording apparatus includes a converting unit for converting an input image density signal into an output image density |
| 5805180 |
Ink jet recording apparatus which performs suction recovery with a cap and method for same |
September 8, 1998 |
| An ink jet recording apparatus comprising a recording head having discharge ports for discharging the ink, an ink tank for storing said ink to be supplied to the recording head, and suction recovery means for stabilizing the ink discharge from the recording head, characterized in that th |
| 5729259 |
Random jet recording apparatus and method by thick and thin inks |
March 17, 1998 |
| When an image to be recorded has a density to be recorded by using thin ink of thick and thin inks, areas of dots recording from ink discharge ports arranged normally to a main scan direction of a recording head are irregularly varied so that a variation of density in a low density area |
