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8182057 |
Liquid ejecting apparatus and method controlling liquid ejecting apparatus
A liquid ejecting apparatus includes: a liquid ejecting head which includes nozzles, pressure generating chambers communicating with the nozzles, and pressure generating elements causing a pressure...
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8172352 |
Printing apparatus having line-type ink jet head and method of printing images by line-type ink jet head
A printing apparatus is provided with a line-type ink jet head having a plurality of blocks on each of which a set of ink ejection elements are arranged. A drive signal generating unit is...
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8173223 |
Method for discharging liquid material, method for manufacturing color filter, and method for manufacturing organic EL element
A method for discharging a liquid material includes performing a scan by moving a discharge target having a film formation area and a plurality of nozzles forming a nozzle row, and discharging a...
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8167396 |
Liquid discharging apparatus and control method of liquid discharging apparatus
A contraction portion of a vibration pulse includes a first contraction element which occurs subsequent to an expansion portion, a contraction maintaining element which follows the first...
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8162426 |
Recording apparatus
A recording apparatus includes a calculator, a predictor, and a head controller. Assuming that first ejection signals are supplied to a recording head, the calculator calculates variations in total...
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8164791 |
Image recording apparatus and method
An image recording apparatus includes: a recording head having plural recording elements; a characteristics information acquisition device; a correction calculation device which corrects image data...
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8157341 |
Printing method, printing system and storage medium having program recorded thereon
The printing method includes the following steps of: preparing a printing apparatus that includes an element that is driven in order to form a dot, a first drive signal generation section that...
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8141973 |
Liquid droplet ejection head and image forming apparatus having the same
A liquid droplet ejection head comprises an ejector, a liquid viscosity-increase prevention structure and a liquid viscosity-increase prevention controller. The ejector includes a nozzle for...
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8132879 |
Inkjet printing apparatus and printhead driving method
An object of this invention is to decrease the amount of ink mist while keeping the image quality high in inkjet printing. To achieve this object, printing is performed by time-divisionally...
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8123318 |
Printhead having controlled nozzle firing grouping
A printhead is provided having a plurality of rows of nozzles, with the nozzles in each row being grouped into fire groups, and a controller configured to fire the nozzles of each fire group by...
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8124190 |
Method for discharging liquid material, method for manufacturing color filter, and method for manufacturing organic EL element
A method for discharging a liquid material includes performing a scan by moving a discharge target having a film formation area and a plurality of nozzles forming a nozzle row with respect to each...
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8113614 |
Recording apparatus and method for controlling recording apparatus
A recording apparatus for discharging ink from a recording head arraying a plurality of nozzles to execute recording of an image includes a drive unit configured to form a group with a defined...
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8113615 |
Inkjet recording device and controller, control program and control method for inkjet recording device for gap reduction of ink droplets
Aspects of the disclosure relate to a controller, control program, and control method for an inkjet recording device, and an inkjet recording device capable of forming a high-quality image by...
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8109590 |
Liquid ejecting apparatus and method of setting signal for micro vibration
A liquid ejecting apparatus includes liquid chambers in which a liquid is filled, nozzles communicating with the liquid chambers, a signal generator generating a signal of potential change, and...
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8109589 |
Liquid discharging device and method of controlling the same
A liquid discharging device includes a liquid discharging head which discharges liquid. A drive signal generator generates a drive pulse. A liquid receiving portion faces a nozzle-formed surface of...
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8104854 |
Liquid-droplet jetting apparatus and liquid-droplet jetting method
In an ink-jet printer, as a liquid-droplet jetting apparatus, when a predetermined condition is satisfied during an printing operation, a non-jetting drive pulse is applied to an actuator to impart...
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8096632 |
Liquid ejecting apparatus and method for controlling liquid ejecting apparatus
A liquid ejecting apparatus includes a liquid ejecting head with a pressure chamber communicating with a nozzle opening and a pressure generator capable of causing a pressure fluctuation to liquid...
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8083309 |
Liquid ejecting apparatus and liquid ejecting method
A liquid ejection apparatus includes an element that is charged and discharged so as to perform an operation to eject a liquid, an analog signal generating unit that generates an analog signal...
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8075097 |
Method of modulating peak power requirement of modular printhead
A method of modulating a peak power requirement of a modular printhead is provided. Each module of the printhead has respective segments of each of a plurality of rows of inkjet nozzles so that...
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8070261 |
Liquid ejection head and image forming apparatus
The liquid ejection head comprises: a nozzle from which liquid is ejected; a pressure chamber which accommodates the liquid to be ejected from the nozzle; a pressurizing device which deforms to...
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8066345 |
Method for setting up drive signal
A method for setting up a condition for a drive signal in a liquid ejection head that includes a plurality of linearly-arranged nozzles and driving elements provided for each of the nozzles,...
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8061795 |
Nozzle assembly of an inkjet printhead
A nozzle assembly for an inkjet printhead is disclosed. The nozzle assembly includes an inkjet nozzle having an actuator for ejecting an ink droplet from the inkjet nozzle when a resistive element...
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8057001 |
Imaging apparatus
An imaging apparatus is provided that includes a liquid discharge head configured to discharge recording liquid as one or more recording liquid droplets; a drive waveform generating unit configured...
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8057003 |
Method and apparatus to provide variable drop size ejection with a low power waveform
In one embodiment, a method for driving a droplet ejection device having an actuator includes applying a low power multi-pulse waveform having at least two drive pulses and at least one...
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8057002 |
Method of driving an ink-jet head, ink-jet head, and ink-jet recording apparatus
Provided is an ink-jet head and an ink-jet type recording apparatus for improving an impact position accuracy of ink droplets by eliminating a discharge speed difference of ink droplets when an ink...
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8057014 |
Nozzle assembly for an inkjet printhead
A nozzle assembly for an inkjet printhead is disclosed. The nozzle assembly includes an inkjet nozzle having an actuator for ejecting an ink droplet from the inkjet nozzle when a resistive element...
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8052240 |
Droplet ejecting apparatus and current control method
A droplet ejecting component of the present invention includes an ejecting component having a charge and discharge characteristic, an applying component being provided with a transistor, and an...
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8042898 |
Inkjet recording apparatus and method
The inkjet recording apparatus includes: an inkjet recording head which includes a nozzle through which liquid is ejected; a pressure regulating unit which includes a liquid chamber that...
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8038243 |
Liquid ejecting apparatus
A liquid ejecting apparatus includes: a head having a nozzle; a pressure-changing unit for changing pressure of liquid in the nozzle in such a manner that the liquid is ejected from the nozzle; a...
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8038242 |
Droplet ejecting apparatus and current control method
A droplet ejecting component of the present invention includes an ejecting component having a charge and discharge characteristic, an applying component being provided with a transistor, and an...
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8033627 |
Printing apparatus and printing method
In printing of multi-level darkness/lightness of a certain color, which is performed with a dark ink and a light ink of the certain color, graininess is improved. A printing method includes...
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8035060 |
Inkjet printhead with a plurality of vapor bubble generators
The invention provides for an inkjet printhead having a plurality of micro-electromechanical vapor bubble generators. Each bubble generator includes a nozzle in fluid communication with an ink...
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8025353 |
Process and apparatus to provide variable drop size ejection with an embedded waveform
Described herein is a process and apparatus for driving a droplet ejection device with embedded multi-pulse waveforms. In one embodiment, the process includes generating a multi-pulse waveform that...
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8020955 |
Liquid ejecting apparatus and method of setting signal for micro vibration
A liquid ejecting apparatus includes liquid chambers in which a liquid is filled, nozzles communicating with the liquid chambers, a signal generator generating a signal of potential change, and...
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8016378 |
Element substrate, printhead, and head cartridge
This invention provides an element substrate having a heater selection circuit normally operable even in the use of voltage conversion circuits, which are arranged along the nozzle arrayed...
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8016377 |
Inkjet recording apparatus
An inkjet recording apparatus has a head which includes, a plurality of nozzles each of which jets ink containing spacer beads dispersed therein on a substrate; a plurality of pressure chambers...
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7997672 |
Inkjet recording apparatus
An inkjet recording apparatus includes a waveform outputting circuit and a current restricting circuit. The waveform outputting circuit outputs to each individual electrode one of ejection signals...
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7997673 |
Printhead IC with temperature based de-clog ejection
A printhead IC is provided having an ejection nozzle, drive circuitry for generating drive signals for driving the ejection nozzle, and a temperature sensor connected to the drive circuitry. The...
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7988250 |
Continuous printing using temperature lowering pulses
A printer includes a printhead and a source of liquid. The printhead includes a nozzle bore. The liquid is under pressure sufficient to eject a column of the liquid through the nozzle bore. The...
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7988247 |
Ejection of drops having variable drop size from an ink jet printer
A method for causing ink to be ejected from an ink chamber of an ink jet printer includes causing a first bolus of ink to be extruded from the ink chamber; and following lapse of a selected...
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7984956 |
Liquid jet apparatus and printing apparatus
A liquid jet apparatus according to the present invention is a liquid jet apparatus including a plurality of nozzles, an actuator provided for each nozzle and connected to the respective nozzle, a...
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7984957 |
Liquid jet apparatus, printing apparatus, and method of adjusting phase of drive pulse
A liquid jet apparatus including a plurality of nozzles provided to a liquid jet head, an actuator corresponding to each of the nozzles, and drive unit that applies a drive pulse to each of the...
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7976115 |
Printhead nucleation detection using thermal response
A method for determining the pulse width for driving printhead nozzles in a thermal inkjet printer. The printhead is preheated to a desired temperature during a maintenance mode. The printhead...
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7971948 |
Liquid jet apparatus and printing apparatus
A liquid jet apparatus of the invention includes a drive waveform generator that generates a drive waveform signal, a modulator that pulse-modulates the drive waveform signal so as to produce a...
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7971950 |
Method of controlling printhead
A method is provided of controlling a printhead having nozzles which discharge ink by application of a firing pulse to respective actuators. The actuators are connected in groups to a power source...
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7971955 |
Method and control unit for controlling the power supplied to a plurality of heat sources in a printer
A control unit for a printing apparatus has a plurality of heat sources, each heat source being operable at an individual power level. The control unit is configured to control the power supplied...
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7973965 |
Digital camera with ink reservoir and ink reservoir information integrated circuit
A digital camera comprises an image sensor for sensing an image; a card reader configured to read a removable data card carrying distortion information; a printer configured to print a distorted...
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7971982 |
Recording apparatus and inkjet printer having a channel unit and meniscus vibrator
A recording apparatus may include a channel unit including a pressure chamber configured to store a liquid, and nozzles. The recording apparatus may include a reservoir unit connected to the...
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7961349 |
Information processing apparatus and printer driver
An apparatus includes a buffer to store n lines of data divided into areas of column units. The apparatus obtains information of a column position corresponding to an end of an image to be printed...
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7954916 |
Droplet ejecting apparatus for forming dots on a medium
An apparatus for ejecting droplets includes an actuator which applies ejection pressure to a pressure chamber which stores ink; a nozzle communicating with the pressure chamber and capable of...
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