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7623254 |
Systems and methods for detecting inkjet defects
A method for testing inkjets for defects in an inkjet device includes determining, based on the likelihood that one or more inkjets are defective, whether to perform an inkjet defect test, The...
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7621617 |
Ink droplet detection apparatus
An ink droplet detection apparatus containing: a plurality of nozzle lines each containing multiple nozzles which eject ink droplets; a beam radiator for radiating a detection beam so as to cross a...
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7621616 |
Ink jet recording apparatus and method and program for checking nozzles thereof
A recording head includes an ink-discharging surface and nozzles. The ink-discharging surface is provided with ink-discharging ports of the nozzles. A light-emitting element and a light-receiving...
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7621615 |
Print medium identifying device, printing apparatus, and print medium identifying method
An object of the present invention is to provide a print medium identifying device that can accurately detect various print media. Thus, according to the present invention, a light emitting section...
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7621614 |
Printing apparatus and printing system with a plurality of movable sensors for a plurality of features detection
A printing apparatus according to the present invention includes a movable head that performs recording on a medium using ink; a first sensor that can move together with said head and that detects...
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7621612 |
Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head
In a substrate for an ink jet head used for an ink jet head recording apparatus, electrostatic breakdown of a diode sensor functional as a substrate temperature sensing element is prevented. A...
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7619791 |
Image forming method and image forming device
A reference developing image is formed on a photoreceptor drum under an image forming condition measured in advance, and the density of this reference developing image is detected. A development...
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7618140 |
Image recording device
An image recording device includes a conveying mechanism disposed in a predetermined conveying path including a plurality of rollers for conveying a recording medium by a predetermined conveying...
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7618115 |
Image forming apparatus
An image forming apparatus includes a unit to calculate the number of pages printable with remaining color material based on statistical data on the amount of consumed color material and the number...
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7618114 |
Liquid ejection method and liquid ejecting apparatus
A liquid ejection method of ejecting liquid from a movable ejection head onto a medium comprises the steps of: detecting a position of an end of the medium; and changing, according to a feed amount...
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7618111 |
Apparatus, method and ink jet printer capable of determining material of printing media according to transmission light passing through printing media
An apparatus for determining a material of a printing media, includes a light source for exposing the printing media to light; a photo detector for detecting the transmission light, the...
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7618109 |
Method of operating a thermal bend actuator
Provided is a method of operating a thermal bend actuator of a printhead nozzle arrangement of a printhead using an open actuator test circuit. The test circuit includes an open actuator test...
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7618105 |
Liquid sensor and liquid container including the sensor
The invention relates to a liquid sensor which can certainly judge the existence of liquid, and a liquid container including the sensor. A liquid sensor 60 in which a piezoelectric element having...
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7614737 |
Method for identifying an installed cartridge
A method for identifying an installed cartridge in a cartridge carrier of an imaging apparatus, wherein the imaging apparatus communicates with the installed cartridge over at least one line,...
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7614719 |
Inkjet printer and inkjet head with modification of driving waveform data
A testing method includes sorting inkjet heads into a plurality of groups on the basis of known information about ink flow, preparing basic driving waveform data corresponding to each of the groups...
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7614718 |
Automatic identification system and method for printer recordable media
An automatic identification system and method for printer recordable media, which detects two or more different record media to be printed by a printer. The different record media have different...
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7614717 |
Pen fault check circuit for ink jet printer
A pen fault check circuit for an ink jet printer that includes a comparator that further includes a pen signal input, and a switch array coupled to the pen signal input, where the switch array...
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7614716 |
Apparatus discriminating type of recording medium and method of discriminating type of recording medium
A method of discriminating a type of recording medium and a discriminating apparatus in which the type of recording medium is discriminated based on a temperature change of the recording medium...
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7614715 |
Micro-fluid ejection head having adaptive thermal control
A method of controlling a micro fluid ejection device by sensing a middle zone temperature, and selectively applying an amount of power to a middle zone heater to achieve a target temperature. An...
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7611221 |
Liquid ejection apparatus, image forming apparatus and ejection determination method
The liquid ejection apparatus comprises: a liquid ejection head having a plurality of ejection ports which eject droplets of liquid; a light emitting device which emits a determination light beam...
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7611220 |
Printhead and method for controlling print quality using printhead temperature
A printhead and method of operation for controlling the print quality using temperature. A sensor senses the printhead temperature before printing begins. The controller compares it to a threshold...
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7611217 |
Methods and systems for inkjet drop positioning
Methods and apparatus for inkjet inkjet drop positioning are provided. A first method includes determining an intended deposition location of an ink drop on a substrate, depositing the ink drop on...
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7607773 |
Inkjet recording apparatus
The inkjet recording apparatus comprises: a head which ejects ink droplets of light-curable ink to a print medium to form an image on the print medium; a light irradiating device which is located...
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7607758 |
Ink jet printing head and ink jet printing apparatus using the same
The printing head has connection terminals for performing an electrical connection of signals including drive signals of print elements by contacting connection terminals on an apparatus side when...
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7607757 |
Printer controller for supplying dot data to at least one printhead module having faulty nozzle
A printer controller for supplying dot data to at least one printhead module, the at least one printhead module comprising a plurality of rows, each of the rows comprising a plurality of nozzles...
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7607754 |
Inkjet recording apparatus
An inkjet recording apparatus has a conveyor for conveying a recording medium in a conveying direction, at least one recording head having a flow path unit, a driver IC configured to output a drive...
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7607753 |
Liquid droplet forming method and liquid droplet forming device
A droplet forming method, for forming a droplet 27 , constituted of a sample liquid 21 , on a substrate 5 by applying a pulse voltage P between the sample liquid 21 , retained in a nozzle 3 ,...
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7607752 |
Misfiring print nozzle compensation
Embodiments including misfiring print nozzle compensation are disclosed.
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7607751 |
Method for aligning droplets expelled from an ink jet printer
A method of adjusting alignment positions of ink dots printed with at least one printhead that is mounted on a moving carriage of an ink jet printer includes printing ink dots on a testchart while...
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7607750 |
Pump control mechanism, printer incorporating the same, and pump control method
A pump member is cyclically moved to apply an air pressure to a liquid supply source to thereby supply liquid stored therein to a reservoir member. A driving source is driven in accordance with...
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7607749 |
Printer
A printer includes a first transporting belt that transports a print medium and a second transporting belt that receives the print medium from the first transporting belt and further transports the...
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7607746 |
Temperature calibration for fluid ejection head
The present invention includes as one embodiment a method of ejecting a fluid onto a print media. The method includes providing an ejection head having a nozzle that is coupled to a temperature...
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7604318 |
Ink-jet recording apparatus
An ink-jet recording apparatus is provided which promptly resumes image recording in the case of non-ejection of ink from an ejection nozzle(s) of a recording head. The ink-jet recording apparatus...
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7604317 |
Recording apparatus capable of checking positions of ink containers, and method for checking the positions
A recording apparatus includes a carriage, ink containers mounted in the carriage and including respective light emitters, a driving unit for moving the ink tanks, a light receiver receiving light...
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7604310 |
Inkjet recording apparatus and inkjet recording method
There is disclosed a method for recording a solidly filled portion in an image using an inkjet recording apparatus. The method includes: recording an outline of the solidly filled portion with a...
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7600849 |
Method and apparatus for scalable droplet ejection manufacturing
A method includes ejecting liquid having a first composition from a first droplet ejection deposition system that includes a first printhead and a first fluid source, collecting information on the...
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7600848 |
Printing apparatus and method for setting adjustment values for inks having low detection sensitivity
If print agents used are detected by an optical sensor at different sensitivities, the present invention enables the easy setting of adjustment values for print positions resulting from these print...
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7600847 |
Printing apparatus and method for determining amount of printing material
A printing apparatus and method for detecting the amount of a printing material in a detachable printing material container comprised of a piezoelectric element and a memory in which frequency...
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7600846 |
Accumulated-heat correction apparatus and accumulated-heat correction method for thermal head
An accumulated-heat correction apparatus for a thermal head, wherein print data of each line are outputted to the thermal head, and a conduction time of the thermal head is controlled on the basis...
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7600845 |
Piezoelectric head inspection device and droplet jetting device
The present invention provides an inspection device for a piezoelectric head. The piezoelectric head includes: a pressure chamber filled with liquid, a liquid supply channel that supplies the...
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7600844 |
Ink jet printer in which a best test pattern printed in a recording medium is automatically selected
In an ink jet printer, upon a start of a go/return printing position automatic correction control, on the basis of plural preset test pattern numbers, plural kinds of test patterns are printed...
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7600843 |
Printer controller for controlling a printhead module based on thermal sensing
A printer controller for supplying dot data to a printhead module having a plurality of nozzles for expelling ink, the printhead module including a plurality of thermal sensors, each of the thermal...
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7600472 |
Pump control mechanism, printer using the same and pump control method
A pump control mechanism includes a pump unit for feeding liquid to container, a position detector for detecting the position in the reciprocating motion of the pump member, a control table having...
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7597418 |
System and method for adjusting ink jet uniformity based on drop mass history
A method for processing input document data uses a drop mass history for ink jets in a print head to adjust other document data processing. The method includes ejecting ink in a plurality of...
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7597417 |
Discharge determination device and method
The discharge determination device which determines discharge status in a droplet discharge apparatus comprising: a nozzle which discharges a droplet of liquid; a pressure chamber which is...
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7597415 |
Liquid-droplet jetting apparatus having a serial auxiliary head
An ink-jet printer has a line-type ink-jet head which has a nozzle row including a plurality of nozzles arranged in an array in a scanning direction; an auxiliary head which is movable in the...
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7594709 |
Inkjet recording apparatus and discharge defect determination method
The inkjet recording apparatus comprises: a plurality of full-line recording heads provided for a plurality of ink colors, each of the plurality of full-line recording heads having one or more rows...
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7593134 |
Color rendering control system
A color rendering system and method is disclosed. The color rendering system comprising a color rendering strip generation system configured to generate a group of one or more sets of comparison...
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7593129 |
Recording apparatus, data processing method for recording apparatus, and recording system
To accelerate processing that generates recording data at a host computer, a host device sends, as setting data, data including a first registration adjustment value corresponding to a relative...
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7592032 |
Method of recognizing image of nozzle hole and method of correcting position of liquid droplet ejection head using the same; method of inspecting nozzle hole; apparatus for recognizing image of nozzle hole and liquid droplet ejection apparatus equipped with the same; method of manufacturing electro-optical device; electro-optical device; and electronic equipment
In a nozzle hole image recognition method for picturing a nozzle hole of a liquid droplet ejection head which is filled with a function liquid and then performing image recognition thereof, the...
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