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7586657 Color processing method  
To generate conversion data enabling to appropriately control a colorant amount, a profile for storing correspondence between device color data and a colorimetry value and control information for...
7548343 Color enhancement method and system  
An apparatus and method for calibrating a multi-color imaging system are provided. Color values are measured for each of the different color patches, and compared to target process-sensitive colors...
7548333 Data transfer method and image formation system  
The present invention aims to effectively perform image data transfer between an image generation controller and an image processing controller in either of color image printing and black-and-white...
7545542 Image forming apparatus  
In an image forming apparatus in which an input module, an output module, a process module, and a memory have a plurality of ports and are connected by a packet switch having independent paths for...
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....
7499066 Image forming apparatus with improved capability of image superposition  
An image forming apparatus including a light scanning device configured: to store in advance a predetermined base correction time; initiate optical image writing for a first round of rotation of an...
7495682 Image reading apparatus and image forming apparatus  
An image reading apparatus, including point light sources, arranged in a straight line state, configured to output light to light a document, and a light leading member, positioned in front in a...
7443406 Tandem image forming apparatus  
An image forming apparatus includes image-forming process cartridges arranged in tandem; a color-information acquiring unit configured to acquire color information representing a color of an image...
7436416 Color printer and control method thereof with pulse width modulation for tone control based on type of document and number of colors printed  
A color printing apparatus having pulse-width modulation means which performs pulse-width modulation for tone control, and a control method thereof are provided. Based on determination of a...
7432942 Electric display media  
A visual display system and a method for displaying information. The information displayed on the visual display system may be substantially or entirely immune to stray electric fields.
7421223 Printing system  
In an implementation of a printing system, an electrophotographic imaging plate electrostatically attracts a first concentration of an ink having a particular color. A developer unit is biased with...
7400335 Method for printing a halftone digital image  
A method for printing a halftone digital image on both a printing press and a color proofer using the same binary digital data which comprises making a printing plate from the binary digital data;...
7365865 Printing apparatus and control method therefor  
In a printing apparatus having full-color and monochrome print processes and a method therefor, whether a page to be printed is color or monochrome is checked. The presence of an immediately...
7265768 Image forming apparatus  
A photoreceptor cleanerless image forming apparatus and method for overlappingly forming yellow, cyan, magenta, and black toner images and decreasing color mixture or an exposure error due to...
7221464 Image recording apparatus and test pattern for evaluating recorded image  
The invention concerns an image recording apparatus suitable for forming a medical image that is used for a medical diagnosis, and a test pattern for evaluating a quality of the medical image. The...
7113199 Tandem image forming device with reduced footprint  
A tandem color laser printer 1 is provided with a photosensitive drum unit 15 , a developing unit 14 , and a scanning unit 13 for each color. The developing units 14 , each including a main...
7061513 Image recording body and image forming apparatus by use of the same  
A light-heat conversion in a light-stimulated writing method and associated apparatus include an image recording body having an element, which absorbs an (electromagnetic wave) provided in a...
7002608 Tandem type color image forming device having a plurality of process cartridges arrayed in running direction of intermediate image transfer member  
A tandem type color image forming device having a plurality of process cartridges each being detachable from a frame. An intermediate image transfer belt extends vertically, and the process...
7001868 Image recording apparatus and method and recording sheet for use therewith  
To provide an image recording method and apparatus that can record and display an image of free pattern without forming the complex wirings in an electrochromic material, and to reduce the...
6970673 Highlight color printing machine  
An electrographic printing machine including: a first photoconductive member; an imaging device for recording a first latent image on the first photoconductive member to form a first developed...
6967669 Accumulator drum and method of use for an image forming apparatus  
An image forming apparatus comprising an accumulator drum for receiving toner images from a plurality of imaging units and transferring the toner images to a receiving media. The basic components...
6961073 Method and system for displaying an image on a screen  
A public presentation system is presented comprising a display system that can be remotely changed, so that multiple different images are successively displayed with minimal interruption. The...
6937360 Image forming method and apparatus which can perform output operation suitable for received image and communication apparatus using the same  
An image forming apparatus and a control method for the apparatus are disclosed. In this image forming apparatus which has a printing unit selectively using a desired one of a plurality of types of...
6856335 Optical scanning device for scanning plural surfaces and image forming apparatus using the optical scanning device  
An optical scanning device for scanning plural surfaces including a plurality of laser light units each configured to emit a laser beam, a deflecting device configured to deflect the laser beams...
6839156 Laser scanning unit and electrophotographic image forming apparatus adopting the same  
A laser scanning unit and an electrophotographic image forming apparatus adopting the same include a plurality of photogenerators emitting parallel lights, a plurality of rotatable polygonal...
6816179 Color printing apparatus that reduces toner amount  
An apparatus for printing a color image includes a printer driver which processes input image data to generate printable image data, and further includes one or more color profiles which are used...
6810799 Printing machine with adjusting device for synchronizing the photoconductor and feed guides by means of a master-slave controller  
A printing machine with an electrophotographic device, having a photoconductor, a photoconductor drive and an illumination device. The electrophotographic unit can be provided with the substrate by...
6791590 Image formation method and apparatus  
An image formation method for forming an image containing an embossed portion of an expandable material on a recording medium, comprising converting height information about an embossed image which...
6782234 Image forming apparatus  
An image forming apparatus of the present invention includes a recycle toner conveying device for returning toner collected in a cleaning step to a developing device as recycled toner. A waste...
6724410 Multicolor image forming apparatus having a controller for controlling press-contact and separation of an image forming member  
A multicolor image forming apparatus comprises a first image forming unit, and a second image forming unit, having respectively an image forming member, an intermediate transfer member, and a...
6717601 Printing apparatus with dot-gain compensation using spatial filter  
An apparatus and method for applying dot-gain ( 110 ) compensation to halftone bitmap files used in printing a digital halftone image. Dot-gain is added by thresholding ( 250 ) the output of a...
6690404 Image forming apparatus and method for changeable image forming modes between a single color mode and a multiple color mode  
An optical system for an image forming apparatus which a first light source for selectably emitting a plurality of image forming light beams based upon control signals and a second light source for...
6639616 Image forming apparatus and image forming method featuring image formation in two, different-speed modes  
An image forming apparatus is provided with photosensitive drums for forming latent images by irradiation of light reflected by a polygon mirror and a fixing device for fixing toner images...
RE38180 Recalibrating a multi-color imaging system  
An apparatus and method for calibrating a multi-color imaging system are provided. The multi-color imaging system is capable of applying different colorants to a substrate based on a plurality of...
6587652 Adjusting devices and method taking substrate changes into account for generating color separations in a multicolor printing machine  
A method and an apparatus for adjusting devices ( 1, 1 ′) for generating color separations ( 2, 2 ′) in a multicolor printing machine ( 3 ), changes in the dimensions ( 4, 4′, 5, 5 ′) of...
6580443 Color image forming device with simplified optical unit incorporating a laser source  
An intermediate belt made of an endless belt is provided by 45 degrees inclined horizontally and looped over two rollers at both its ends, and four photosensitive drums are provided in contact with...
6573918 Image forming apparatus having a plurality of image data interfaces  
A color image forming apparatus for forming a color image on a storage medium using a laser beam generated from a laser generating means includes a plurality of image data interfaces provided...
6567110 System and method for reducing horizontal banding and misregistration between color planes in a color image  
A system and method are provided for generating a color plane in an image. For example, a noise generation device is coupled to at least one component within a laser imaging assembly to cause a...
6559874 Printing method and printing apparatus, laser output control device and control device and control method for printing apparatus, and printing register control device for printing apparatus  
A driving means 6 is placed below a photoconductor drum 2 . The driving means 6 includes first to fourth developing rollers 13 A- 13 D and toner storage chambers 11 A- 11 D. The developing...
6556229 Electrophotographic apparatus having a fringe development preventing mechanism  
In an electrophotographic apparatus, regions having at least three different potential levels Vc, Vw, and Vr are formed on a photosensitive member by using an exposing device, and developing...
6536346 Process and apparatus for decorating articles  
In a process and apparatus for decorating an article, printing ink or electrostatic charges is or are applied in dependence on a digital program in dot form to the article carried by a holder, with...
6429886 Correction control for image forming apparatus and method  
An image processing apparatus capable of color image formation with a plurality of color components, which solves a problem of increment of processing time in monochrome image formation due to...
6426737 Forming images by field-driven responsive light-absorbing particles  
A transparent image producing display or receiver which uses a suspension fluid for producing pixels of an image includes at least one image-forming layer having a structure which defines a...
6380961 Method for suppressing phantom images  
A method for suppressing phantom images in a digital copying or printing process wherein toner material in the form of pixels of image information (D (x,y), in which D is the image density for...
6346957 Optical scanning device and image forming apparatus that restrains color aberrations  
The invention provides an optical scanning device for color image formation in which color aberration depending on the variation in the image formation position on the scanned surface caused by the...
6323887 Color image forming apparatus driving a recording-element array and a method for controlling the same  
A sharp image having excellent color balance is formed by preventing differences in the amount of light among recording heads. When forming an image using at least two recording heads, each having...
6317218 Printer with adaptive printing mode  
A printer has monochrome and color printing heads for printing color and monochrome images, respectively, and a media feed path for moving sheets of media by the printing heads. The media feed path...
6313925 System, method, and program for saving toner/ink in a color printer without sacrificing image quality  
Toner/ink is saved while still being able to print any given color value within the full color gamut of a given printer. Combinations of varying percentages of a printer's toners/inks (cyan,...
6275248 Vacuum fluorescent printer  
A vacuum fluorescent printer including a print head (60) having luminous blocks (32, 33, 34) each having a plurality of luminous elements arranged in a main scanning direction for irradiating a...
6271868 Multiple-color image output apparatus and method which prevents a toner image on a photosensitive drum from being narrowed in the horizontal direction  
When a multiple-color image is printed by electrophotography unwanted spaces are produces between different colors. These spaces are attributed to non-development of toner caused by the influence...
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