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7636176 Image forming apparatus, method and storage medium  
The invention seeks to suitably adjust the amount of a toner reduction in accordance with the type of image (object). To attain this object, an image forming apparatus according to the present...
7623263 Settings for monotone printing and color printing  
An inkjet printer performs printing by scanning a printing head having a plurality of ink nozzles, and has a monotone printing mode and a color printing mode. Under the condition of using the same...
7612914 Production of color space conversion profile based on correspondence of grid points and ink amounts  
A method for producing a profile specifying the correspondence relationship of values in different color spaces, includes a step of acquiring a first correspondence relationship that is a...
7611219 Ejection control of quality-enhancing ink  
A printing control method of generating dot data representing a state of dot formation at each pixel in a printed image represented by an given image data, by formation of dots in respective pixels...
7593139 Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device  
In an illumination device, a light guide is adapted to emit the light from a face thereof and is provided with an area, on a face opposite to the light emitting face, for diffusing and/or...
7583979 Mobile phone for capturing and printing images  
A mobile phone is provided for capturing and printing images. The phone comprises a phone body defining front and rear faces. The front face has a keypad and display, and the rear face has a...
7564580 Mobile telephone with printer and print media dispenser  
A mobile telephone has a support structure and a camera device positioned on the support structure for electronically capturing and processing an image. A receptacle of the telephone body receives...
7561316 Adjusting ink-usage parameters to reduce ink usage  
One or more ink-usage parameters are adjusted based on ink remaining and historical ink usage, to reduce ink usage for an image to be printed on a sheet of media with ink. The image is printed on...
7554690 Array type inkjet printer system including print head, resolution adjusting unit, rendering unit and scaler  
An array type inkjet printer system having a print head with a plurality of nozzles formed therein in the horizontal scan direction includes a resolution adjusting unit for reducing a resolution in...
7536129 Power transmitting apparatus, power switching apparatus, and driving apparatus of multi-function machine using the same  
A driving apparatus of a multi-function machine includes a scanner unit scanning data recorded on a sheet of document and a document transport part to transport the sheet of document. A printer...
7528989 Image processing apparatus and image processing method  
An image processing apparatus and an image processing method which perform image processing for drawing information which includes image information and color correction information are provided....
7529005 Method for processing a multi-colour image  
A method is provided for processing digital multi-color images for the reproduction thereof on a color printing and/or copying system provided with a plurality of process colors defining a gamut....
7512273 Digital ink labeling  
Digital ink strokes may be fragmented to form a training data set. A neighborhood graph may be formed as a plurality of connected nodes. Relevant features of the training data may be determined in...
7468808 Inkjet printer with retractable support and cover  
An inkjet printer includes a body housing a print engine. The print engine is configured to transport and print upon print media. A retractable cover is pivotally mounted relative to the body and...
7468810 Mobile phone with printhead and ink supply module  
A mobile phone includes an elongate body defining a transverse print media path along which print media can be fed. A storage device is provided in which an image to be printed can be stored. A...
7428073 Post card making device  
To make it possible with a post card making device composed of an original reading device and an image printing device that an image is prepared on an upward facing original image preparation...
7417768 Apparatus and method for mitigating colorant-deposition errors in incremental printing  
CDE is measured for each nozzle array, to enable modification of a mapping between input image data and intended printing marks to compensate for the CDE. Printing proceeds using the modified...
7408676 Ink jet printing with switched use of particular color ink depending on number of print head passes corresponding to print quality and speed  
When three primary color inks and a particular color ink having a hue different from those of the three colors are used, the number of passes with regard to the same printing area is changeable,...
7394564 Printing machine with a control unit that displays a plurality of key operation switches to control ink keys  
In an initial state, a key control switch for adjusting opening degrees of ink keys and a display changeover switch are displayed on a display screen of a touch sensitive control panel. The key...
7385730 Image processing apparatus, image processing method, and printing apparatus and printing system using the image processing apparatus  
In an apparatus for performing printing using a color ink-jet head having a plurality of ink-discharge-port strings corresponding to ink materials having different color tones, a high-quality image...
7365874 Printer for authenticating a replaceable ink cartridge  
A printer is provided for authenticating a replaceable ink cartridge. The printer includes a processor. The replaceable ink cartridge can be releasably coupled to the processor and includes a first...
7306312 Image forming apparatus and image processing method  
The image forming apparatus forms an image on a prescribed recording medium by carrying out digital halftoning using a threshold value matrix. The image forming apparatus comprises: a plurality of...
7298522 Print control system and medium  
A print control system for controlling a print of print target data containing color specifying information includes a data distinguishing module ( 12 ) for distinguishing between pieces of element...
7298531 Digital image optimization incorporating paper evaluation  
A system and method are provided for determining ink jet printing system parameters by selecting an appropriate linearizing transformation for application to images to be printed on a printing...
7292364 Printing apparatus and print control method  
When print data is stored as index data, a dedicated FIFO memory is interposed between a data processing circuit before index expansion, and an index expansion circuit, and temporarily stores the...
7292368 Halftone proofing with inkjet printers  
Techniques are described for preparing halftone bitmap images for printing on inkjet printers. The techniques may involve exclusive use of low-density inks to reproduce highlight colors and means...
7289243 Apparatus and method for data compression optimized by print head architecture  
An apparatus and method to compress data for a print head divides print head nozzle firetime instructions into a plurality of bytes. A control word represents each byte by one bit. Bytes containing...
7289248 Image recording apparatus and image correction method  
The image recording apparatus comprises: a recording head including recording elements which record an image onto a recording medium; an abnormal recording element specification device which...
7280258 Logo data generating system, logo data generating method, and data storage medium  
A logo data generating system and logo data generating method indicate the amount of ink required to print a logo during the logo editing and creation process. The system includes a source image...
7245756 Liquid ejection inspecting method, liquid ejection inspector, and image forming apparatus  
A printhead of an ink jet printer includes plural ejection nozzles for ejecting ink. In an ink ejection inspecting method for the printhead, the ejection nozzles are photographed in the printhead,...
7245397 Apparatus and method for halftoning color image by quantizing tone level of subject pixel based on tone levels of neighboring pixels  
An image forming apparatus is disclosed in which a quantization is effected for a halftone color image decomposed into pixels, in which a comparison is made, for respective separate...
7245399 Method of printing page data with a pagewidth inkjet printhead  
Compressed page data incorporating compressed contone CMYK data and bi-level black data is received. The contone CMYK data and bi-level black data are expanded in parallel operations. The CMYK...
7202964 Determining raster image processor cycle count to fully utilize a printer  
Commercial printers operate more efficiently when they run continuously after being started on a print job. Print job image data is processed by a predetermined number of raster image processors...
7202970 Method and system of printing identification card (ID) using an inkjet printer  
The present invention is embodied in a printing system for printing identification cards with durable full-color images using an inkjet printing device. In general, the present invention provides...
7199896 Systems and methods for efficiently generating and supplying image data for tandem printers  
A page to be printed is organized into a plurality of strips. To rendered the page using a tandem printer, each strip is rendered a plurality of times, once for each print engine of the tandem...
7196814 Inkjet printer printhead interface circuit  
An inkjet printer includes a processor that communicates, via a printhead interface circuit, with an electromechanical printhead having a plurality of ink ejection nozzles. The printhead interface...
7196817 Printing of digital images using reduced colorant amounts while preserving perceived color  
A method for modifying an input digital image having an (x,y) array of image pixels, each image pixel having an input code value for each of four or more color channels, to produce a depleted...
7190485 Method for multilevel printing of digital images using reduced colorant amounts  
A method for modifying an input digital image having an (x, y) array of pixels, each pixel having an input code value for one or more color channels, wherein said input code value has a nonlinear...
7187469 Pagewidth inkjet printer with high data rate printer architecture  
A pagewidth inkjet printer includes a support structure. A pagewidth inkjet printhead is mounted on the support structure. A print media feed mechanism feeds print media along an ink path and...
7165824 Dead nozzle compensation  
A printer controller for supplying dot data to a printhead in a predetermined order, the printhead comprising at least first and second printhead modules, each of which comprises a plurality of...
7145693 Image processing apparatus and method  
In ink-jet printing apparatuses having a monochrome head which is longer than a color head, if a monochrome image is processed as a color image, the printing speed cannot be improved. Accordingly,...
7136189 Color halftoning using a multi-level successive-filling halftone screening algorithm  
A method is provided for rendering a color image with a plurality of separations with a multi-level successive-filling halftoning process using a single screen for a plurality of separations. For a...
7136195 Fluid capping mechanism  
When a printhead is not in use, it remains filled with ink. In order to prevent evaporation of the ink through the nozzles of the printhead, and the consequential depositing of ink components in...
7130460 Medical-use image recording apparatus and medical-use imaging system  
An image recording method for visualizing an image signal of medical diagnosis, which has the steps of: inputting the image signal of medical diagnosis; processing the image signal of medical...
7130080 Image processing apparatus for color conversion  
The object of the invention is to provide an image processing apparatus that greatly enhances color conversion precision by considering in-plane uniformity and nonlinearity such as a gradation...
7061644 Pagewidth printhead controller circuit  
An integrated circuit fabricated on a single substrate that includes a first interface to a page-width inkjet printhead and a general-purpose processor that is connected to the first interface. The...
7050195 Printed medium data storage  
A method of, and apparatus for, printing information on a hardcopy medium includes the acceptance of data representing a first information and the acceptance of data representing a second...
7027182 Printing a true-ink reference, and refining gray accuracy, for optimum color calibration in incremental printing  
Ramps are printed with ink of a particular color, and also nominally in that color but by inks of other colors. A measured actual-ink ramp is a standard to fix the other-colors ramp, and correct...
7027177 Digital printing system  
A digital printing system that includes a personal computer and a printer. The computer includes a printer driver that receives and compresses print data. The printer is connected to the personal...
7023584 Color calibration method and apparatus  
A method, includes depositing a first quantity of a first colorant corresponding to a first color value and a second quantity of a second colorant corresponding to a second color value on a region...
Matches 1 - 50 out of 215 1 2 3 4 5 >