| Patent Number |
Title Of Patent |
Date Issued |
| 7625065 |
Ink jet print head and ink jet printing apparatus |
December 1, 2009 |
| The present invention provides an ink jet print head that allows for a fast printing of high-density, high-quality images without increasing cost and size of the print head. To this end, the ink jet print head has orifices for ejecting ink of a first volume and orifices for ejecting ink |
| 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 |
| 7556332 |
Recording head and recording apparatus |
July 7, 2009 |
| A recording apparatus performs a recording operation with a recording head that includes a recording element having two types of discharge characteristics, and a memory holding k-bit information indicating a rank of the discharge characteristic of the recording element and j-bit info |
| 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 |
| 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 |
| 7494200 |
Recording apparatus and recovery control method |
February 24, 2009 |
| A control method at the time of preliminary ejection of ink is changed between a recording area in which a nozzle used for recording is not switched every recording scanning and a recording area in which the nozzle for recording is switched every recording scanning, whereby the preli |
| 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 |
| 7425056 |
Ink-jet apparatus employing ink-jet head having a plurality of ink ejection heaters correspondin |
September 16, 2008 |
| In an ink-jet apparatus employing an ink-jet head having a plurality of heaters corresponding to one ink ejection opening and performing printing by ejecting an ink from the ink-jet head, timings of bubble forming are mutually shifted at respective heaters of the plurality of heaters upo |
| 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 |
| 7318635 |
Recording head and recording apparatus |
January 15, 2008 |
| A recording apparatus performs a recording operation with a recording head including a first nozzle array including first type nozzles that can discharge an ink according to first discharge characteristics and a second nozzle array including second type nozzles that can discharge an |
| 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 |
| 6918656 |
Ink-jet apparatus employing ink-jet head having a plurality of ink ejection heaters correspondin |
July 19, 2005 |
| In an ink-jet apparatus employing an ink-jet head having a plurality of heaters corresponding to one ink ejection opening, appropriate preliminary ejection is performed per each ejection amount mode set by heater to be used among a plurality of heaters. Depending upon set printing mode ( |
| 6834947 |
Ink jet printing method and apparatus |
December 28, 2004 |
| An ink jet printing method uses an ink jet ejecting portion for ejecting ink on a printing material and a print quality improving liquid ejecting portion for ejecting print quality improving liquid on the printing material. The application mode of the print quality improving liquid is |
| 6729711 |
Ink jet recording apparatus |
May 4, 2004 |
| An ink jet recording apparatus comprises a carriage movable in a given direction with a recording head which is detachably mountable on it and provided with discharge ports for discharging liquid. The apparatus is arranged to include a sensor for detecting the presence or absence of the |
| 6646756 |
Printing apparatus and method which controls driving of a printing head according to received da |
November 11, 2003 |
| A distinction apparatus of a printing apparatus distinguishes data compression rate according to each of the data transferred from a host computer, and a mode selection apparatus selects a printing mode according to slow printing velocity when data compression rate is low and selects a |
| 6572216 |
Ink-jet apparatus employing ink-jet head having a plurality of ink ejection heaters correspondin |
June 3, 2003 |
| In an ink-jet apparatus employing an ink-jet head having a plurality of heaters corresponding to one ink ejection opening, appropriate preliminary ejection is performed per each ejection amount mode set by heater to be used among a plurality of heaters. Depending upon set printing mode ( |
| 6554380 |
Method for detecting a liquid used for discharge, and a liquid discharging device |
April 29, 2003 |
| A liquid detection method and a liquid discharging device to detect whether or not a liquid can be supplied in a state in which a liquid channel from a tank for accommodating the liquid to each discharging port of a recording head is not disconnected by a bubble. A detection-signal input |
| 6497478 |
Color ink jet recording method and apparatus therefor |
December 24, 2002 |
| Disclosed is a color ink jet recording method including the step of recording a desired color image on a recording medium on the basis of recording data using a black ink and a plurality of color inks each being different from the black ink in permeating characteristics against the r |
| 6467891 |
Ink-jet printing apparatus and printing method |
October 22, 2002 |
| A preliminary process for ejecting an ink after ejecting a processing liquid on a printing medium and a post-process for ejecting the processing liquid after ejecting the ink on the printing medium are distinguished. In one preferred mode, when a preliminarily process portion, in which a |
| 6464349 |
Ink jet recording method, ink jet recording apparatus and printed product |
October 15, 2002 |
| A recording method includes the steps of ejecting ink onto a recording material on the basis of image data; and ejecting record quality improving liquid to improve a record quality of the ink ejected onto the recording material; wherein one of the ink ejecting step and the liquid ejectin |
| 6412934 |
Ink jet printing method and apparatus |
July 2, 2002 |
| An ink jet printing method uses an ink jet ejecting portion for ejecting ink on a printing material and a print quality improving liquid ejecting portion for ejecting print quality improving liquid on the printing material. The application mode of the print quality improving liquid is |
| 6371608 |
Ink-jet printing apparatus and method |
April 16, 2002 |
| A printing duty for a single scanning operation is determined for each print head of color ink used for printing. When the printing duty D is judged to be larger than or equal to a predetermined threshold value Dth, dividing printing is executed in which the printing of a area for a sing |
| 6334666 |
Ink-jet recording head, ink-jet apparatus, ink-jet recording method, recorded products obtained |
January 1, 2002 |
| An ink-jet recording apparatus ejects droplets of a recording-improvement liquid on a boundary line between two different color portions of an image by using an ink-jet recording head. The ink-jet recording head comprises a group of nozzles for ejecting the recording-improvement liquid w |
| 6325492 |
Ink-jet apparatus employing ink-jet head having a plurality of ink ejection heaters correspondin |
December 4, 2001 |
| In an ink-jet apparatus employing an ink-jet head having a plurality of heaters corresponding to one ink ejection opening, appropriate preliminary ejection is performed per each ejection amount mode set by a heater to be used among a plurality of heaters. Depending upon a set printing mo |
| 6312102 |
Color ink jet recording method and apparatus using black ink and color-mixed black ink |
November 6, 2001 |
| Whether or not a color image is present adjacent to a black image is discriminated. Whether the black image is formed using a black ink or a plurality of color inks C, M, and Y is determined in accordance with the discrimination result. When the black image is formed using the plurality |
| 6309051 |
Ink-jet apparatus employing ink-jet head having a plurality of ink ejection heaters correspondin |
October 30, 2001 |
| In an ink-jet apparatus employing an ink-jet head having a plurality of heaters corresponding to one ink ejection opening, appropriate preliminary ejection is performed per each ejection amount mode set by a heater to be used among a plurality of heaters. Depending upon a set printing mo |
| 6296340 |
Ink jet recording method and apparatus using time-shared interlaced recording |
October 2, 2001 |
| An ink jet recording method includes supplying a driving signal of a phase, wherein the driving signal comprising at least first and second signal periods with a rest period therebetween; and supplying a driving signal of a phase which is different to provide the first or second signal o |
| 6267476 |
Method and apparatus for ink-jet printing |
July 31, 2001 |
| An ink jet printing method for performing printing onto a printing medium with the use of both of a colored ink ejected from an ink jet head and a printing property improving liquid to be applied to the printing medium for improving a printing property for an ink jet printing apparatus, |
| 6264320 |
Ink-jet printing method and apparatus |
July 24, 2001 |
| In an apparatus to perform printing by ejecting an ink and a printing quality improving liquid for making a coloring agent in the ink insoluble or coagulated, reaction between the printing quality improving liquid and the coloring agent of the ink is certainly caused. Namely, after eject |
| 6264305 |
Recording method and apparatus using recording head ejecting both ink and record improving liqui |
July 24, 2001 |
| A recording head for ejecting ink to effect recording on a recording material includes a first group of ejection outlets, arranged in a first direction, for ejecting record improving liquid for improving record property on the recording material; a second group of ejection outlets ar |
| 6206516 |
Ink jet recording method, ink jet recording apparatus and printed product |
March 27, 2001 |
| A recording method includes the steps of ejecting ink onto a recording material on the basis of image data; and ejecting record quality improving liquid to improve a record quality of the ink ejected onto the recording material; wherein one of the ink ejecting step and the liquid ejectin |
| 6164756 |
Recording apparatus and method for detecting the presence of a boundary between images and recor |
December 26, 2000 |
| When recording a color image on a recording medium according to record data using black ink and color ink of a plurality of colors having a different characteristic of permeation into the recording medium from the black ink, detecting the boundary between a black image and a color image |
| 6158856 |
Ink-jet recording process, ink-jet recording apparatus and image formed article |
December 12, 2000 |
| Disclosed herein is an ink-jet recording process for forming an image by applying an ink to a recording medium in accordance with an ink-jet recording system, comprising the steps of:(A) applying an ink containing a coloring material to the recording medium in accordance with the ink-jet |
| 6155666 |
Ejector, ink jet cartridge, ink jet printing apparatus and ink jet head kit having the same, ink |
December 5, 2000 |
| An in ink jet printing method and apparatus are disclosed which prevents mixing of ink with a liquid insolubilizing and/or agglomerating the ink and which can print images having excellent water resistance and high quality. Prevention of mixing of the ink with the liquid is achieved by |
| 6149264 |
Ink jet recording apparatus |
November 21, 2000 |
| An ink jet recording apparatus comprises a recording head adapted for ejecting at least two colors of ink, a discriminater for discriminating between character data and bit map data, and a controller for selecting a character data recording mode or a bit map data recording mode in ac |
| 6145978 |
Printing method and printing apparatus using ink and treatment liquid |
November 14, 2000 |
| In the present invention, upon printing of an image on a printing medium by ejecting an ink for a treatment liquid ejected on the printing medium, by scanning the printing medium, a number of scan for the same region of the printing medium is judged, and ejection from a printing head is |
| 6137503 |
Ink jet recording apparatus |
October 24, 2000 |
| An ink jet recording apparatus comprises a carriage movable in a given direction with a recording head which is detachably mountable on it and provided with discharge ports for discharging liquid. The apparatus is arranged to include a sensor for detecting the presence or absence of the |
| 6123411 |
Ink-jet recording head, ink-jet apparatus, ink-jet recording method, recorded products obtained |
September 26, 2000 |
| An ink-jet recording apparatus ejects droplets of a recording-improvement liquid on a boundary line between two different color portions of an image by using an ink-jet recording head. The ink-jet recording head comprises a group of nozzles for ejecting the recording-improvement liquid w |
| 6120141 |
Ink jet printing method, ink jet head used for practicing the latter, ink jet cartridge and ink |
September 19, 2000 |
| An ink jet printing method prints an image on a printing medium by ejecting ink and printabilty improvement liquid containing a substance for improving printablity of the ink to the printing medium. At this time, ejection of the ink and ejection of the printability improvement liquid |
| 6116720 |
Ink jet recording method and apparatus for preventing color boundary blur |
September 12, 2000 |
| A head for discharging yellow ink, magenta ink, cyan ink and first black ink having a relatively fast penetration velocity to a recording medium and a head for discharging second black ink having a relatively low penetration velocity are used to print an image. When a black image is |
| 6106093 |
Ink jet recording apparatus capable of recording in different resolutions, and ink jet recording |
August 22, 2000 |
| This invention is to solve the problem that when images are recorded mixedly in different resolutions, disturbance is brought to images, gaps are created between images, or excessively densified areas appear due to difference in resolutions, that is, changes of dot sizes and recording |
| 6102537 |
Method and apparatus for ink-jet printing |
August 15, 2000 |
| An ink jet printing method for performing printing onto a printing medium with the use of both of a colored ink ejected from an ink jet head and a printing property improving liquid to be applied to the printing medium for improving a printing property for an ink jet printing apparatus, |
| 6089697 |
Ink-jet head, ink-jet cartridge, printing apparatus, and ink-jet printing method |
July 18, 2000 |
| In an ink jet head having an ink discharge head for discharging an ink, and a liquid discharge head for discharging a print improving liquid given to a printing medium for improving printability in ink jet printing, the liquid discharge head 2002 is disposed to be sandwiched between colo |
| 6086185 |
Ink jet recording method and ink jet recording apparatus |
July 11, 2000 |
| When the color printing is performed using a recording head arranged such that number of nozzles for discharging black ink is greater than the number of nozzles for discharging inks of other colors, the use frequency of some nozzles among all the nozzles for discharging the black ink is |
| 6084606 |
Printing apparatus and check pattern printing method |
July 4, 2000 |
| A check pattern for a registration adjustment under a low resolution condition of 600 dpi.times.600 dpi at a substantially central portion of a printing medium is printed. After performing the registration adjustment based on the printed pattern, the check pattern is printed under a high |
| 6084604 |
Color ink jet recording method and apparatus using black ink and color-mixed black ink |
July 4, 2000 |
| Whether or not a color image is present adjacent to a black image is discriminated. Whether the black image is formed using a black ink or a plurality of color inks C, M, and Y is determined in accordance with the discrimination result. When the black image is formed using the plurality |
| 6050680 |
Ink jet recording with mixing and storage of color inks with different mixing ratios |
April 18, 2000 |
| The ink jet recording apparatus includes: first ink tanks that are replaceable and contain first inks containing colorants; a second ink tank that is replaceable and contains a second ink containing no colorant; third ink generating means to generate third inks by mixing the first inks |
| 6050676 |
Color ink jet recording method and apparatus therefor |
April 18, 2000 |
| Disclosed is a color ink jet recording method including the step of recording a desired color image on a recording medium on the basis of recording data using a black ink and a plurality of color inks each being different from the black ink in permeating characteristics against the r |
