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8184339 |
Data generation and printing with binarization pattern selected as function of pixel number corresponding to conveying amount of print medium
When a feeding amount for multi-pass printing is changed, the purpose related to an image quality using a binary data generation pattern can still be attained by, for example, a density pattern...
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8179568 |
Minimizing dot graininess in dot-on-dot printing devices
What is disclosed is a novel system and method for minimizing dot visibility in color marking devices capable of dot-on-dot printing. The present method achieves minimum dot visibility for a given...
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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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8172354 |
Printing position adjusting method and printing system
The present invention relates to a printing position adjusting method capable of performing dot adjustment value acquisition processing that can accommodate diversified user needs of recent years,...
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8169659 |
Systems and methods for reducing a trade-off between image quality and marking speed
To reduce the trade-off between image quality and marking speed, high-resolution data for an image is evaluated, and an output value is created based on the evaluation of the high-resolution data....
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8170827 |
Drop mass deviation measuring apparatus, drop mass deviation measuring method of the same, pattern forming system using the same, and control method of the pattern forming system using the same
A drop mass deviation measuring apparatus, a drop mass deviation measuring method, a pattern forming system, and a control method measure mass deviations of drops discharged from a plurality of...
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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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8164793 |
Image processing apparatus and method
In a multipass printing that performs a plurality of printing scans over a unit area of a print medium by using a leading head and a follower head, the multivalued image data for the leading head...
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8164792 |
Printing device, printing method, and program
A printing device includes a controlling section that converts visible information, expressed using biaxial orthogonal coordinate data, into polar coordinate data, and binarizes the polar...
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8157343 |
Data processing method, data processing apparatus, mask generation method, and mask pattern
The present invention provides a mask for divided printing that completes an image by plural scans using inks of different plural inks, the mask being able to suppress possible grains during...
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8157367 |
Recording apparatus and recording method
A recording apparatus includes a moving unit that can be moved in predetermined directions including a transport direction of a recording medium, a first recording processing unit that is mounted...
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8149462 |
Line printer
A plurality of types of positional shift postulated patterns are postulated wherein the positional shift of print head tips in a printer are postulated to have positional shift directions and...
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8147020 |
Ink-jet recording method
An ink-jet recording method is provided. The ink-jet recording method includes (i) supplying an aqueous treatment liquid containing a fixing agent for fixing the components contained in an aqueous...
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8149456 |
Color processing method and image forming apparatus for creating a color separation table
Restriction information on a total colorant amount for a medium is obtained. Patches at grid points in a color space corresponding to a plurality of colorants at which the total colorant amount...
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8147038 |
Image forming apparatus and method
The image forming apparatus includes: a first group of large nozzles which eject large droplets of liquid for a color; a second group of small nozzles which eject small droplets of the liquid for...
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8141982 |
Color imaging apparatus having yellow nozzle array and magenta nozzle array on same head and shifted relative to each other by a half-pitch
An imaging apparatus is disclosed that includes plural heads that are arranged in a main scanning direction, the heads including plural nozzle arrays that are arranged in the main scanning...
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8139266 |
Color printing control device, color printing control method, and computer readable recording medium stored with color printing control program
The color printing control device outputs color material reduction processed data generated by applying a color material reduction process to each pixel of bitmaps converted to color material...
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8132881 |
Printing apparatus, and method and program for controlling printing apparatus
A printing apparatus that measures a consumption of a colorant during printing, includes a shade level measuring unit that measures a print shade level on a print sheet, a range segment counting...
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8130412 |
Color image processing method and apparatus capable of reducing the number of application of color materials
When a color image is formed on a transparent sheet with a white color material as background color material and C, M, Y, K color materials as process color materials and has colors determined by...
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8123321 |
Image forming method and image forming apparatus
An image forming apparatus includes a defect position detecting section to detect a defect position at which no recording material is outputted; a defect position specifying section to specify a...
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8123320 |
Array-type image forming apparatus and method to compensate image density
An array-type image forming apparatus and a method for compensating an image using the same include an image density determination unit to determine the image density of each line on a page, a...
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8126199 |
Identification of faulty jets via sensing on customer images
Systems and methods monitor jets in a color imaging device to identify and correct faulty jets without interrupting a print job. The relationship between the output of the imaging device and the...
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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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8111436 |
Image-forming method and image-forming apparatus
An image-forming method of recording an image of plural pixels by a recording means using an image-forming material not completely permeating into a recording medium and capable of forming an image...
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8104857 |
Method of calculating correction value, correction value calculating program, and liquid ejecting apparatus
A method of calculating a correction value includes forming a test pattern in which a dot row formed A method of calculating a correction value includes forming a test pattern in which a dot row...
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8100494 |
Method of printing and printing system
A method of printing comprising: determining the position of ink marks on a medium resulting from the breakaway of secondary ink drops from primary ink drops; and positioning the primary ink drops...
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8096633 |
Liquid droplet ejecting apparatus
An object of the invention is to provide a liquid droplet ejecting apparatus capable of determining a type of droplet to be ejected through each nozzle at an arbitrary ejection timing, with...
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8098401 |
Method and apparatus for printing that considers an undesirable optical density printing range
Aspects of the disclosure provide a printing method that can utilize a lightly pigmented toner along with a darkly pigmented toner to improve the image quality. The method can include receiving a...
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8091974 |
Coloring material recording device, coloring material recording program, and image forming apparatus
A coloring material recording device comprises a plurality of image recording elements and a control unit. The plurality of image recording elements record with a plurality of coloring materials on...
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8091977 |
Inkjet printing apparatus and inkjet printing method
When thinning processing is performed to reduce the occurrence of black stripe caused by an overlap between scanning areas that is designed to prevent an end deviation from causing a white stripe,...
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8075081 |
Adjusting method for use in recording apparatus, recording apparatus
This invention provides an adjusting method for use in a recording apparatus having a configuration where head units, in each of which a plurality of recording heads are arranged in a direction...
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8075078 |
Head driving device, inkjet printer comprising the same, and data processing method thereof
A head driving device, an inkjet printer comprising the same and data processing method of an ink jet printer are provided, in which a nozzle driving unit turns on/off a plurality of thermal...
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8075077 |
Method of calculating correction value and method of discharging liquid
A method of calculating a correction value including: forming a first test pattern on a medium by using a first nozzle group and a second nozzle group and a third nozzle group of a liquid...
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8066346 |
Printer controller for modulating printhead peak power requirement using out-of phase firing
A printer controller for supplying dot data to an inkjet printhead is provided. The printhead comprises a plurality of transversely aligned color channels. Each color channel comprises at least one...
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8068257 |
Color printing reducing artifacts and banding by rendering black dots, replacing dots with process black, and adding non-black dots for different subsets of black dots
A method of printing comprising setting a pixel black value of K for an ink limit and identifying each of black dots of a first subset of black dots having pixel black value K greater than the ink...
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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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8057007 |
Image recording apparatus and method, and method of determining density correction coefficients
An image recording apparatus includes: a recording head which has a plurality of recording elements; a characteristics information acquisition device which acquires information that indicates...
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8059306 |
System and method for controlling print device
A method, program product, and system for controlling a print device which helps minimizing effects which a failure of a plug-in module for adding a function of a printer driver may cause to the...
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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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8052242 |
Image forming apparatus and image forming method
An image forming apparatus which forms a halftone image on a print medium by using a multipass process to scan a printhead N (N is an integer of 2 or more) times in a single area on the print...
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8052243 |
Image processing device, image recording device, image processing method, and recording medium with image processing program
An image processing device including: an acquisition unit that acquires image data for recording with a liquid droplet ejecting head having a plurality of ejection nozzles that eject liquid...
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8045167 |
Determining solid concentration of an ink
The present disclosure is drawn to methods, devices, and systems for determining solid content of inks, including a device comprising a chamber configured to hold an ink sample having ionic...
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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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8038247 |
Recording apparatus and recording method
A recording apparatus for recording an image on a recording medium by scanning the recording medium with a recording head for discharging ink includes a thinning unit configured to thin data for...
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8033630 |
Liquid ejecting method and liquid ejecting apparatus
A liquid ejecting method includes detecting a faulty nozzle in which an ejection fault occurs when a liquid should be ejected, calculating corrected tone values by correcting tone values of pixels...
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8033632 |
Method for adjusting ejection timing and ejection timing adjusting apparatus
The invention relates to a method for adjusting ejection timing including forming adjustment patterns on a medium by shifting relative ejection timings of liquid droplets from a first nozzle row...
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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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8035854 |
Print data generating apparatus and computer usable medium therefor
A print data generating apparatus to generate print data which is used for printing in a printing apparatus based on image data by using a white colorant and at least one non-white colorant is...
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