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| Number | Title | Issue Date |
| 7198344 | Liquid ejecting device and liquid ejecting method A liquid ejecting device can print a high quality image having an increased number of gradations without having a complex head structure, and is suitable for use in a line head. The liquid ejecting device includes a head in which liquid ejecting portions including n... | 04/03/2007 |
| 7192114 | Printing apparatus and printing method A printing apparatus and printing method can realize high-quality printing without degrading the quality of a printed image even when a nozzle restriction function is adopted in addition to a discharge failure complement function. In a printing apparatus using an in... | 03/20/2007 |
| 7192112 | Printing apparatus and method capable of complementary printing for an ink discharge failure nozzle Disclosed are a printing apparatus and printing method which suppress degradation of the image quality caused by discharge failure complement. In the printing apparatus, virtual data are generated for predetermined dots in a scanning direction on the basis of printi... | 03/20/2007 |
| 7188935 | Printhead wafer with individual ink feed to each nozzle An inkjet printhead with an array of nozzles formed on one side of a wafer substrate, an array of corresponding ink inlets formed in the other side of the wafer, each of the ink inlets individually associated with one of the nozzles and, a fluid path extending betwe... | 03/13/2007 |
| 7188919 | Liquid discharge method and apparatus using individually controllable nozzles The amounts of liquid discharged from a liquid discharge head to predetermined areas can be made uniform while suppressing an increase in circuit size. In order to achieve this object, there is provided a liquid discharge apparatus which discharges a liquid from a l... | 03/13/2007 |
| 7188920 | Image recording apparatus and image recording method An image recording apparatus includes a carriage which holds a recording head, and a scanning unit which moves the carriage in relation to a recording medium. The recording head ejects ink while the carriage moves in relation to the medium so as to record an image o... | 03/13/2007 |
| 7187467 | Image supply apparatus, image output apparatus, control apparatus therefor, and image forming apparatus incorporating them An ink jet printer for forming an ink jet printed long strip of cloth includes a design image generation unit, a receiving unit, a generating unit and a synthesizing unit. The design image generation unit generates design image data representing a design image repea... | 03/06/2007 |
| 7185962 | Ink jet apparatus and ink jet print method having a plurality of double-sided printing modes An ink jet print apparatus having a plurality of double-sided printing modes (e.g., automatic double-sided printing mode and manual double-sided printing mode) produces a sufficient image quality whichever mode is executed. For this purpose, image data to be printed... | 03/06/2007 |
| 7185966 | Detection apparatus and detecting method, droplet discharge apparatus and droplet discharge method, device and electronic equipment A detection apparatus includes a light emitter for emitting a detection light, a receiver for receiving the detection light, and a moving device for moving a discharge head in a direction to intersect the optical path of the detection light. When D is the diameter o... | 03/06/2007 |
| 7185963 | Enhancement technique for asymmetrical print resolution A sequence of steps for storing an image at a higher resolution in a rendering stage, and making a conversion of the image to a different asymmetrical print resolution. During the conversion corrections are made to avoid losing “on” pixels located on an eliminat... | 03/06/2007 |
| 7182815 | Apparatus and method for producing color filters by discharging material The present invention provides a system which shortens the scanning time with an ink jet head for forming a pattern of filter elements of a color filter, picture element pixels of an electroluminescence (EL) device, or the like. An apparatus for producing a color fi... | 02/27/2007 |
| 7182421 | Inkjet device and method capable of providing highly accurate positioning of ink injection In an inkjet device that ejects ink on a medium with an inkjet head, data conversion software generates ejection data and timing control data from pattern data that describe patterns of ejection target pixels. A timing control board outputs a drive waveform generati... | 02/27/2007 |
| 7178891 | Print control apparatus, print control method, print system, and program To provide a print system which can cope with both of the specification of the conventional PDL and the specification of the new PDL, in which print mode the printing is executed is selected between a first print mode for drawing by setting a position that is away f... | 02/20/2007 |
| 7175248 | Fluid ejection device with feedback circuit A fluid ejection device includes a plurality of fluid ejecting elements, each fluid ejecting element controllable to conduct electrical current between a supply voltage and a reference voltage. Up to all fluid ejecting elements of a group of the plurality of fluid e... | 02/13/2007 |
| 7172268 | Ink jet head, method for driving the same, and ink jet recording apparatus An ink jet head base body in which a heat accumulation layer, a heater generating heat energy used for discharging ink, and a protection film protecting the heater are sequentially formed on a substrate. The ink jet head base body is characterized in that a total th... | 02/06/2007 |
| 7168780 | Method of inspecting an inkjet head and the inspected inkjet head A driving waveform which an inkjet head filled with inspecting ink shows is measured. The measured driving waveform is corrected based on a correlation formula, which is obtained beforehand based on image recording ink the inkjet head uses for image recording. The i... | 01/30/2007 |
| 7168774 | Liquid jetting device and liquid jetting method Disclosed is a liquid jetting device which includes: a liquid chamber for containing a liquid to be jetted out; an energy generation element for imparting energy to the liquid in the liquid chamber; and a nozzle for jetting out the liquid in the liquid chamber as a ... | 01/30/2007 |
| 7168779 | Image processing to mask low drop volume defects in inkjet printers A method and apparatus for masking low drop volume print defects in inkjet printers. In one exemplary embodiment, the invention obtains a print mask, determines a likelihood that an individual ink ejection nozzle will produce a low drop volume, determining a correct... | 01/30/2007 |
| 7165825 | Process and device for cleaning an inkjet printing head This invention relates to a process for cleaning an inkjet printing head which has nozzle openings and ink channels which lead to them, in which electrical drive elements for ejecting ink out of the nozzle openings are located, in which the nozzle openings and the i... | 01/23/2007 |
| 7163345 | Printhead having printhead modules vertically offset at join region A printhead comprising: a first and second elongate printhead modules, the printhead modules being disposed end to end on either side of a join region, wherein the first printhead module and the second printhead module are vertically offset at the join region; and, ... | 01/16/2007 |
| 7163270 | Print controller, print control program product, and method for print control It used to be impossible to convert color component values into dot data for large, medium, and small dots so that a favorable result is obtained with respect to every ink color. Image data wherein images are rendered with color component values corresponding... | 01/16/2007 |
| 7159959 | Methods and systems for detecting errors in printhead pattern data and for preventing erroneous printing Methods, systems and computer readable media for identifying print errors caused by erroneous print pattern data received at the printhead of a printer. Methods, systems and computer readable media are also provided for preventing printing according to erroneous pri... | 01/09/2007 |
| 7156483 | Method for determining ink drop velocity of carrier-mounted printhead using an optical scanner A method for determining ink drop velocity of a printhead located at a gap above a print medium. A first ink mark is printed at a first printhead velocity. A second ink mark is printed at a different (in magnitude and/or direction) second printhead velocity. The ink... | 01/02/2007 |
| 7152940 | Printing apparatus, control method therefor, printhead, printhead element base, liquid discharge apparatus, liquid discharge head, and liquid discharge head element base A printing apparatus has a command control unit in a carriage or a printhead. The control unit receives a command for causing the printhead to perform predetermined control, and controls the printhead in accordance with the received command. ... | 12/26/2006 |
| 7154324 | Integrated circuit delay chains Delay chain circuitry is provided. The delay chain circuitry has a number of delay chain inverters. Each delay chain inverter is connected in series with a load resistor and has an associated capacitor between its input and ground. The electrodes of each capacitor m... | 12/26/2006 |
| 7152948 | Printing apparatus and printing method The present invention provides a printing apparatus and method which can appropriately thin dots for printing so as to ensure a print grade. When dots of a black ink is subjected to thinned printing, the dots are thinned using output gamma correction that corrects p... | 12/26/2006 |
| 7150511 | Recording apparatus and reciprocating record position alignment method A recording apparatus has a bidirectional recording section, a check pattern recording section that forms check patterns different in record position of backward recording relative to forward recording when each check pattern having vertical ruled lines are recorded... | 12/19/2006 |
| 7147296 | Ejection control of quality-enhancing ink This invention is a printing method of forming dots on a print medium by ejecting a colored ink and a quality-enhancing ink. This method generates dot data representing a state of dot formation of the color dot and the transparent dot at each pixel based on the colo... | 12/12/2006 |
| 7144093 | Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead To drive an inkjet printhead having an array of printing elements, where the first and second printing elements which discharge relatively different amounts of ink are arranged on the same array in a predetermined direction, print data for the first or second printi... | 12/05/2006 |
| 7139096 | Printing system and printing method The colors used for forming an image are limited in advance to a predetermined number of color patterns called representative colors; on the host side the image data received is divided into blocks, for each of which a representative color is determined in a represe... | 11/21/2006 |
| 7136502 | Printing media and methods employing digital watermarking Stationery, or other printable media, is encoded with a digital watermark. The watermark is not conspicuous to a human observer of the media, yet conveys plural bits of auxiliary information when optically scanned and digitally processed. The watermark can be formed... | 11/14/2006 |
| 7133946 | Mechanism to repeat signals across an unrelated link According to one embodiment a system is disclosed. The system includes a first integrated circuit (IC) a first interface coupled to the first IC and a second IC coupled to the interface. The first IC transmits the state of each of a plurality of signals not associat... | 11/07/2006 |
| 7133159 | Online bi-directional color calibration A method of an embodiment of he invention is disclosed in which image data is bi-directionally color calibrated using one or more online color calibration tables. The image data, as has been bi-directionally color calibrated is output. ... | 11/07/2006 |
| 7133153 | Printhead having digital circuit and analog circuit, and printing apparatus using the same In a printhead having an element substrate on which a digital circuit including a printing element and a drive circuit for driving the printing element in accordance with input print data, and an analog circuit including a detection circuit for obtaining information... | 11/07/2006 |
| 7131713 | Bidirectional printing method and apparatus with reduced color unevenness A printing apparatus, which forms a color image by applying different color inks to a printing material while bi-directionally moving the recording head to scan the recording material, includes a changing unit for changing an order of applications of the inks of dif... | 11/07/2006 |
| 7128394 | Color inkjet print apparatus capable of changing orders of inks squirts An apparatus for printing color inkjet images includes an image processing unit which processes source color data to generate output color data together with a signal indicative of an order of ink squirts in which a plurality of inks of respective colors are squirte... | 10/31/2006 |
| 7128401 | Thermal sense resistor for a replaceable printer component A replaceable printer component (14) includes a thermal sense resistor (14B) having a first resistance. A resistance modifier (510) coupled to the thermal sense resistor modifies the first resistance. ... | 10/31/2006 |
| 7128385 | System and method for ink jet printhead detection The invention provides a system and method for detecting the presence of an ink jet printhead when a printhead controller fails to properly identify an installed printhead using a printhead identification device. The system includes a printhead including heater resi... | 10/31/2006 |
| 7125090 | Firing pulse duration control This invention concerns the control of firing pulse duration in a printhead, for a printer, such as a high performance color printer. The invention, in particular concerns a control system and a method. The printer may use, for instance, a pagewidth drop-on-demand i... | 10/24/2006 |
| 7126715 | Ink jet recording apparatus and control method therefor A recording apparatus for recording with use of a recording head having two nozzle arrays arranged side-by-side includes first, second, and third direct memory access (DMA) units, a data converter unit for converting first image data stored in a work buffer into sec... | 10/24/2006 |
