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8177349 |
Image forming apparatus and method
The image forming apparatus includes: an image forming device which forms an image on a recording medium; a transparent UV ink droplet ejection device which ejects and deposits droplets of...
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8172355 |
Liquid discharge head and liquid discharge apparatus using liquid discharge head
A compact and highly reliable recording head enabling precise detection of temperature information for each nozzle and rapid as well as highly accurate detection of nozzles with a discharge defect...
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8172377 |
Image forming apparatus
An image forming apparatus includes: a transporter for transporting a sheet; an image forming section for forming an image on the sheet being transported by the transporter with an ink; a liquid...
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8167398 |
Liquid jet head
A recording apparatus includes: a recording head that has: an inlet; an outlet; a supply and discharge flow path; a nozzle; and a liquid supply flow path, a liquid flow forming unit that forms a...
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8162468 |
System and method for registering color ink jet printing in a mailing machine
Printing systems including top registration plates and electromagnetic-curable inkjet print heads are described including methods for setting the intensity of the related electromagnetic sources....
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8162470 |
Inkjet printer
An inkjet printer includes a printing head configured to eject solvent ink from nozzles of the printing head on a medium at a printing position. A medium is made of a polyvinyl chloride film. The...
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8147043 |
Back pressure adjustment apparatus for liquid ejection head
The back pressure adjustment apparatus for a liquid ejection head has: a container having a liquid accommodating chamber which is connected to the liquid ejection head and accommodates liquid to be...
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8147029 |
Liquid ejection apparatus
A liquid ejection apparatus includes a heater controller and a purge controller. The heater controller controls a heater to heat liquid in at least a part of a liquid path of a head when an ambient...
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8147061 |
Recording apparatus
A recording apparatus includes: a housing which constitutes an appearance of a recording apparatus body; and an electronic substrate which is vertically disposed along an inner side surface of the...
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8141975 |
Temperature monitoring system for a media preheater
A temperature monitoring system for a media heater of an imaging device comprises a temperature indicator overlying a surface of a media heater of an imaging device. The temperature indicator is...
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8136909 |
Ink jet printing apparatus and ink processing method for same
In an ink jet print head formed with ejection nozzles, which may use a wiping member to wipe ink adhered to the surface of the ink jet print head, it is desired to be able to perform a wiping...
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8136906 |
Image recording apparatus and ink amount calculation method for this image recording apparatus
An image forming apparatus calculates an ink temperature considering a thermal capacity near nozzles and an ink circulation flow quantity of a circulation pump in addition to an ink temperature...
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8136908 |
Apparatus and method for ink jet printing
The present invention provides an ink jet printing apparatus and a method for controlling temperature for the ink jet printing apparatus wherein the temperature of a print head, which may lower...
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8136907 |
System and method for compensating for registration errors arising from heated rollers in a moving web printing system
A method compensates for thermal expansion of rollers in a web print zone. The method includes receiving an angular velocity signal from a first encoder for a roller in a print zone of a moving web...
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8136905 |
Drop volume compensation for ink supply variation
The present invention relates to a method that enables image quality of a printed image to be maintained by reducing unintended variations in drop volume, through the adjustment of ink drop...
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8132895 |
Printhead substrate, printhead, head cartridge, and printing apparatus
This invention is directed to a head substrate capable of high-quality printing even when the environmental temperature, print duty, and printhead itself change, a printhead, a head cartridge, and...
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8118381 |
Image forming apparatus
An image forming apparatus includes a recording head configured to jet a liquid; a liquid tank configured to store the liquid; and a supply tube having flexibility, the supply tube being provided...
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8113631 |
Liquid ejecting head
A head for ejecting a liquid from ejection holes, including: a first flow-passage member in which is formed a first liquid-supply passage; a second flow-passage member in which is formed a second...
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8113616 |
Liquid ejecting apparatus
A liquid ejecting apparatus, including: a liquid ejecting head having a plurality of liquid-ejection openings, a liquid channel, and a plurality of actuators; an inflow liquid temperature sensor...
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8109591 |
System and method for protecting a printer from an over-temperature condition in a printhead
A method responds to an over-temperature condition in a printhead. The method includes generating a first electrical signal corresponding to a temperature in a printhead, monitoring the first...
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8109593 |
Substrate for inkjet head and inkjet head using the same
A substrate has M×N heater elements divided into N blocks and time divisionally driven in units of the block, and signal lines for supplying M bits of signals for selecting elements to be driven ...
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8109592 |
Liquid-ejecting head, liquid-ejecting device, liquid-ejecting method, and ejection medium for liquid-ejecting head
A liquid-ejecting head includes a liquid cell that contains an ejection medium that is liquid at normal temperature, a nozzle for ejecting the ejection medium in the liquid cell, an energy unit for...
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8104858 |
Inkjet head
An inkjet head may comprise an ejection port which ejects ink and an ink flow path which supplies the ink to the ejection port. The inkjet head may also comprise an ejection actuator which supplies...
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8096634 |
Temperature compensation for full-width arrays write heads
A method and system for compensating for temperature changes is disclosed that includes a mounting bar, a plurality of imaging chips adaptively mounted on the mounting bar, each imaging chip...
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8091976 |
Inkjet printing apparatus and method of predicting
There are provided an inkjet printing apparatus and a method of predicting which can perform an accurate ink remaining amount detection. An inkjet printing apparatus is for performing printing onto...
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8086358 |
Method for pre-heating high power devices to enable low temperature start-up and operation
A method and system for utilizing the heat dissipated by quiescent IC leakage currents to control the start-up temperature of components. A temperature control sub-system utilizes a thermal sensor...
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8083336 |
Ink stick jam detection and recovery system and method
An ink jam detection and recovery system for use in a phase change ink imaging device includes an ink stick conveyance configured move ink sticks in a forward direction toward a melt plate at a...
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8083311 |
Ink-jet printing apparatus, control method therefor, program, and storage medium
An object of this invention is to prevent prolongation of the time taken for a suction recovery operation while suppressing wasteful consumption of ink in the suction recovery operation. An ink-jet...
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8075079 |
Ink cartridge with bubble point pressure regulator defined in laminated wall
An ink cartridge for an inkjet printer having a laminated wall. The laminated wall defines: an air inlet; a regulator channel having a first end communicating with the air inlet and a second end...
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8075099 |
Printer with controller for generating combined print data and clock signal
An inkjet printer that has a printhead IC an array of nozzles for ejecting drops of printing fluid onto a media substrate and drive circuitry for driving the array of nozzles and, a print engine...
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8070248 |
Image forming apparatus and control method of the same
An image forming apparatus performs an image forming operation by driving a ejecting element of a recording head with an ink ejecting drive voltage for ejecting ink, detects a temperature of ink to...
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8066347 |
Recording element substrate, recording head, and ink jet recording apparatus having the recording head
Measurement accuracy in temperature of a substrate for an ink jet head is improved. A substrate for an ink jet head includes diode sensors and aluminum sensors and as plural kinds of substrate...
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8047645 |
Recording apparatus and liquid ejecting apparatus
A recording apparatus includes a support drum that rotates while supporting a recording medium on a support surface thereof. A guide axis extends in parallel with a rotation axis of the support...
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8042902 |
Pressure adjustment apparatus and image forming apparatus, and pressure adjustment method and liquid remaining amount determination method
A pressure adjustment apparatus for adjusting a pressure of liquid inside a liquid ejection head including nozzles and flow channels includes: a tank; a pump; a buffer chamber; a first switching...
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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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8038250 |
Recording device
A recording head where an actuator, a cavity portion and a flexible flat cable are placed one on another is provided in a head holder of a carriage. A drive IC chip is mounted on the flexible flat...
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8038249 |
Ink jet recording apparatus, and method for controlling recording head temperature
An ink jet recording apparatus for effecting recording using a recording head for ejecting ink, the ink jet recording apparatus including a heating section for heating the recording head, a...
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8033631 |
Recording head and test apparatus for recording head
A recording head in which a plurality of recording elements is arranged in an order is provided. The recording head includes a plurality of driving circuits that generate signals for driving...
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8029082 |
Liquid discharging apparatus, liquid discharging method, and program
A liquid discharging apparatus includes a head that is driven in response to a driving signal to discharge liquid, a controller that drives the head by generating the driving signal, an adjustment...
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8016375 |
Image forming apparatus
An image forming apparatus includes a recording head configured to jet a liquid; a liquid tank configured to store the liquid; and a supply tube having flexibility, the supply tube being provided...
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8016379 |
Printhead controller for controlling printhead on basis of thermal sensors
A printhead controller is provided for supplying dot data to a printhead module having a plurality of nozzles for expelling ink. The printhead module includes a plurality of thermal sensors. Each...
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8011750 |
Method and apparatus for detecting missing nozzle in thermal inkjet printhead
Provided is a method of detecting a missing nozzle in a thermal inkjet printhead. The method includes: applying an input energy high enough to eject ink to a heater corresponding to a target...
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8007068 |
Printer having recycling ink and pressure-equalized upstream and downstream ink lines
A printer comprising a printhead and a pressure-regulating chamber containing ink at a predetermined first level relative to the printhead. The chamber comprises an outlet port, a return port...
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7997670 |
Liquid-ejection apparatus
A liquid-ejection apparatus, including: a head configured to eject a liquid from a plurality of liquid-ejection openings; a main tank configured to accommodate the liquid supplied to the head; a...
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7997677 |
Convertible printer
A convertible printer usable with either a flexible media or rigid media is disclosed.
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7992986 |
Method for increasing printhead reliability
A method of reducing intermittent weak or missing (IWM) jet failures in a phase change ink imaging device comprises fluidly connecting a positive pressure source to a print head assembly of a phase...
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7992981 |
Liquid supply device and liquid ejecting apparatus
A liquid supply device includes a liquid supply channel that supplies a liquid from an upstream side as a liquid supply source side to a downstream side, where the liquid is consumed, and a pump...
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7992978 |
Liquid ejecting apparatus, liquid ejecting method, and program
A liquid ejecting apparatus includes a head group having a plurality of heads provided with supply ports for supplying liquid to the heads, the heads being arranged in a nozzle-array direction and...
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7980683 |
Inkjet printer with ink recycling amount changing units
In an inkjet printer where an ink recycling path for recycling ink is formed by connecting among an ink head, an upstream tank, and a downstream tank, the inkjet printer includes a temperature...
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7978381 |
Automatic document feeder with mechanism to discriminate document types
An automatic document feeder includes an input tray, a transfer path, a roller assembly, an ejecting tray, a light emitter, a light receiver, a comparator and a discriminating unit. The light...
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