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IMAGE FORMATION

Subclass of:

399 - Electrophotography

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Class / Patent application numberDescriptionNumber of patent applications / Date published
399222000 Development 1504
399320000 Fixing (e.g., fusing) 1074
399297000 Transfer 575
399159000 Photoconductive member 291
399168000 Charging 168
399177000 Exposure 162
399151000 Combined with scanning 36
399296000 Treatment of developed image prior to transfer 9
399148000 Combined or plural functions by single component 7
399154000 Having transfer of latent image 3
20090092416IMAGE FORMING APPARATUS, RECORDING MEDIUM, AND IMAGE FORMING METHOD - The present invention teaches and claims an image forming apparatus comprising a printing engine that secondarily supplies a sheet primarily supplied from a sheet storage unit, transfers and fixes image data to the sheet thereby printing an image on the sheet. The apparatus of the present invention comprises a print job input unit that inputs a print job having the image data and printing setting information, an image data storing unit that stores the image data continuously by dividing the image data into a band basis of a predetermined data amount, a job managing unit that outputs, a primary sheet supply band order of the image data indicating a primary sheet supply timing and a delivery band order indicating a delivery timing at which the image data can be delivered to the printing engine prior to the secondary sheet supply activated after the primary sheet supply, an image data output control unit that successively acquires the image data on the band basis from the image data storing unit, outputs primary sheet supply permission information when the acquired image data reaches the primary sheet supply band order, and outputs delivery permission information and the image data to the printing engine when the acquired image data reaches the delivery band order, and a printing engine control unit that outputs the primary sheet supply permission information and the delivery permission information to the printing engine, and controls the primary sheet supply in the printing engine and the delivery of the image data.04-09-2009
20080232848 PROCESS FOR PRODUCING DRY INK COLORANTS THAT WILL REDUCE METAMERISM - In accordance with the invention, there is a method of forming a toner. The method can include blending two or more colorants to form a sample toner and forming a sample color specimen including a printed image comprising the sample toner. The method can further include comparing spectral distribution curves of the sample color specimen with that of a target color specimen including a target color and repeating the disclosed steps until acquiring a desired spectral match between the sample toner and the target color.09-25-2008
20080232849IMAGE FORMING METHOD - To provide an image forming method for obtaining excellent image quality under high humidity. The image forming method including charging a surface of a latent electrostatic image bearing member, exposing the charged surface of the latent electrostatic image bearing member so as to form a latent electrostatic image, developing the latent electrostatic image using a developer so as to form a toner image, and transferring the toner image from the latent electrostatic image bearing member to a transfer medium, wherein in the developing step, a toner is used that has an interparticle adhesion force of 500 nN to 1,200 nN when pressed at 500 nN and a volume average particle diameter of 4 μm to 8 μm, and in the transferring step, the transfer pressure applied to the transfer medium is 20 N/m to 60 N/m, and wherein a tandem image forming apparatus is used in the image forming method.09-25-2008
399132000 Thermoplastic deformation 2
20090003879IMAGE FORMING APPARATUS - A fixing step before smoothing by a smoothing device causes the phenomenon that a photo-medium is not properly separated from a fixing device due to a toner receiving layer of the photo-medium. Therefore, in order to prevent the occurrence of defective separation in the fixing device, a predetermined image pattern is formed using a toner containing a wax component in a margin, i.e., a non-image forming region, at the leading end of the photo-medium.01-01-2009
20120251174IMAGE FORMING METHOD - Provided is a method for forming an image containing the sequential steps of: forming a foil adhesion toner image on an image supporting substrate with a foil adhesion toner (α) which comprises at least a binder resin containing a thermoplastic resin using an electrophotographic method; forming a foil image on the foil adhesion toner image by contacting a transfer foil on the foil adhesion toner image with applying heat; and forming a visible toner image on the image supporting substrate which has been formed with the foil image with at least one image forming toner (β) using an electrophotographic method, followed by fixing the visible toner image by applying heat and pressure thereto, wherein Δ(Tsp(α)−Tsp(β)) is 5 to 50° C., provided that Tsp (α) is a softening point of the foil adhesion toner (α) and Tsp (β) is a softening point of the image forming toner (β).10-04-2012
399134000 Having photoconductive toner 2
20090202273OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME - An optical scanning device includes two scanning units each having an input optical system for making, in a sub-scan section, a light beam from a light source be incident at a finite angle on a deflecting surface of a deflector, and an imaging optical system for imaging, on a scan surface, the light beam scanningly deflected by the deflecting surface, the two scanning units being disposed opposed to each other with the deflecting means intervening therebetween, wherein one scanning unit has a first imaging optical element and a second imaging optical element while the other scanning unit has a third imaging optical element and a fourth imaging optical element, wherein the one scanning unit includes a light blocking member for intercepting unwanted light reflected at an optical surface of the fourth imaging optical element, wherein the third imaging optical element is provided at a light path between the fourth imaging optical element and the first light blocking member, and wherein the third imaging optical element has a positive refracting power in the sub-scan section through which unwanted light reflected at the optical surface of the fourth imaging optical element passes.08-13-2009
20130022370Image Forming Apparatus and Photosensitive Unit - An image forming apparatus is described. The image forming apparatus may include: a main body provided with an accommodation chamber partitioned by an inner side surface; a photosensitive unit configured to slid between an accommodated position and a drawn position; a first electrode disposed on a first outer side surface on the photosensitive unit; a second electrode disposed on a second outer side surface on the photosensitive unit to protrude toward the inner side surface beyond the first outer side surface; a third electrode disposed on a first inner side surface on the inner side surface; and a fourth electrode disposed on a second inner side surface on the inner side surface to protrude toward the photosensitive unit beyond the first inner side surface.01-24-2013
399144000 Reader-printer 1
20100232834Light Projection unit, image reading device including same, and image forming apparatus including the image reading device - A light projection unit includes a substrate, a plurality of light emitting elements arrayed on the substrate in a main scanning direction and including light emitting surfaces, a light guide facing the light emitting surfaces to direct light projected from the light emitting elements onto an illumination target and including a first positioning portion, and a holder including a second positioning portion that engages the first positioning portion of the light guide to position the light guide on the holder. The first positioning portion of the light guide is positioned between centers of light emission of adjacent light emitting elements in the main scanning direction of the substrate when the first positioning portion engages the second positioning portion of the holder.09-16-2010
399155000 Having reciprocating imaging member 1
20100166462IMAGE FORMING APPARATUS - An image forming apparatus includes: a plurality of photosensitive members, an endless belt, and a separation mechanism. The photosensitive members are arranged in parallel with and spaced from one another and correspond to respective colors. The plurality of photosensitive members includes a first photosensitive member and at least one second photosensitive member. Each of the photosensitive members has a first end portion and second end portion that is opposite to the first end portion in a longitudinal direction of each of the photosensitive members. The endless belt contacts the photosensitive members. The separation mechanism is configured to swing the second photosensitive member around the first end portion of the second photosensitive member as a fulcrum between a contact position at which the second photosensitive member contacts the endless belt and a separated position at which the second photosensitive member is separated from the endless belt.07-01-2010
399158000 Display of developed image 1
20080212999LIGHT-AMOUNT DETECTING DEVICE, LIGHT SOURCE DEVICE, OPTICAL SCANNING UNIT AND IMAGE FORMING APPARATUS - A light-amount detecting device includes: a light source which emits a light beam; a branching optical element which divides the light beam emitted from the light source into a first light beam traveling in a predetermined direction and a second light beam traveling in a direction different to the predetermined direction; a light-condensing element which condenses the second light beam; a light-receiving element having a light-receiving surface which receives the second light beam condensed by the light-condensing element; and a detector which detects a light-amount of the second light beam received by the light-receiving element, and at least one of a direction of reflected light of the second light beam reflected from the light-receiving surface of the light-receiving element and spread of the reflected light of the second light beam reflected from the light-receiving surface of the light-receiving element is adjusted to control a light-amount of the reflected light of the second light beam returning to the light source.09-04-2008
Entries
DocumentTitleDate
20130077999ELECTROGRAPHIC PRINTER USING FLUIDIC CHARGE DISSIPATION - Electrographic printing apparatus for producing a toner image on paper includes a dryer adapted to dry a selected region of the paper to a moisture content not to exceed that of the paper equilibrated to 20% RH. A liquid-deposition unit wets selected portions of the selected region of the paper within 15 seconds after the completion of drying to provide a latent fluid image corresponding to the wetted portions of the paper. A dry area is thereby defined in the selected region outside the latent fluid image. A charging member charges the paper so that the paper in the dry area has a selected potential. A development station deposits charged dry toner in the selected region, the toner having charge of the same sign as the selected potential, so that the toner adheres to paper in the area of the latent fluid image.03-28-2013
20130077998ELECTROGRAPHIC PRINTING USING FLUIDIC CHARGE DISSIPATION - A method of electrographically producing a toner image on paper includes drying a selected region of the paper to a moisture content not to exceed that of the paper equilibrated to 20% RH. Selected portions of the selected region of the paper are wetted within 15 seconds after the completion of drying to provide a latent fluid image corresponding to the wetted portions of the paper. A dry area is thereby defined in the selected region outside the latent fluid image. The paper is charged so that the paper in the dry area has a selected potential. Charged dry toner is deposited in the selected region, the toner having charge of the same sign as the selected potential, so that the toner adheres to paper in the area of the latent fluid image.03-28-2013
20130077997ELECTROPHOTOGRAPHY-BASED ADDITIVE MANUFACTURING SYSTEM WITH TRANSFER-MEDIUM SERVICE LOOPS - An additive manufacturing system for printing a three-dimensional part using electrophotography, the additive manufacturing system comprising a rotatable photoconductor component, a development station configured to develop layers of a material on a surface of the rotatable photoconductor component, a rotatable transfer medium configured to receive the developed layers from the surface of the rotatable photoconductor component, and a platen configured to receive the developed layers from the rotatable transfer medium in a layer-by-layer manner. The additive manufacturing system also comprises a plurality of service loops configured to move portions of the rotatable transfer medium at different line speeds while maintaining a net rotational rate of full rotations of the rotatable transfer medium at a substantially steady state.03-28-2013
20130077996ELECTROPHOTOGRAPHY-BASED ADDITIVE MANUFACTURING SYSTEM WITH RECIPROCATING OPERATION - An additive manufacturing system for printing a three-dimensional part using electrophotography, the additive manufacturing system comprising a rotatable photoconductor component, first and second development stations configured to develop layers of materials on a surface of the rotatable photoconductor component while the rotatable photoconductor component rotates in opposing rotational directions, and a platen configured to operably receive the developed layers in a layer-by-layer manner to print the three-dimensional part from at least a portion of the received layers.03-28-2013
20120288306CONDUCTIVE MEMBER FOR ELECTROPHOTOGRAPHIC DEVICE - A conductive member for an electrophotographic device includes a conductive rubber elastic layer. The conductive rubber elastic layer is composed of a cross-linked product of a conductive rubber composition containing (a) a polar rubber, (b) at least one ion-conductive agent selected from diallyldimethylammonium.bis(trifluoromethanesulfonyl)imide and diallyldimethylammonium.trifluoromethanesulfonate and (c) a cross-linking agent, and the cross-linked product has a relative dielectric constant of 23 or more.11-15-2012
20120107016LENTICULAR LENS SHEET MANUFACTURING APPARATUS - A lenticular lens sheet manufacturing apparatus includes a transparent toner layer forming section and a lens forming section. The transparent toner layer forming section includes a photoreceptor drum, a charging section and a exposure section that form an electrostatic latent image on the photoreceptor drum, a developing section that forms a transparent toner image, a transfer section that transfers the transparent toner image to one side of a transparent substrate, and a fixing section that heats the transparent toner image transferred to one side of the transparent substrate to fix the transparent toner image, thereby forming a transparent toner layer on one side of the transparent substrate. The lens forming section pressurizes under heating the transparent toner layer formed on one side of the transparent substrate to shape the layer into a concavo-convex shape, thereby forming a lens layer having a concavo-convex shape on one side of the transparent substrate.05-03-2012
20110200360SYSTEM TO PRINT RAISED PRINTING USING SMALL TONER PARTICLES - Electrophotographic printing of one or more layers of toner to enable the printing of a wide range of toner mass laydown using electrophotography to produce prints with raised letters. This method encompasses the steps of forming multicolor toner images and fusing the print one or more times to create the raised print. having the desired height of raised print.08-18-2011
20100278558ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD AND APPARATUS - The image forming apparatus includes a latent image bearing member; a charging device charging the surface of the latent image bearing member; a latent image forming device forming an electrostatic latent image on the surface of the latent image bearing member; a developing device supplying toner to the electrostatic latent image to form a toner image; a cover film supplying device supplying a cover film to the surface of the latent image bearing member at a cover film supplying position located on an upstream side from the development position so that the toner image is formed on the cover film covering the surface of the latent image bearing member; and a cover film separating device separating the cover film bearing the toner image thereon from the surface of the image bearing member before the cover film bearing the toner image thereon reaches the cover film supplying position.11-04-2010
20090035016Bookbinding Method and Bookbinding Unit, and Image-Forming System - Image-forming system and bookbinding method, for collating and stacking sheets and binding together their spine-portion edges, that allows easy insertion of foldout leaves in the course of the bookbinding processes. Bookbinding-finishing method for collating printed sheets into bundles and binding together the spine-portion edges includes: an image-forming step of sequentially forming images on a plurality of sheets, based on predetermined image data; a fold-process step of folding the printed sheets from the image-forming step; a stacking step of collating into bundles the printed sheets from the image-forming step and/or the sheets folded in the fold-process step; a bookbinding step of binding together the spine-portion edges of the sheet bundles collated in the stacking step; and a trim-finishing step of trimming true at least the fore-edge of the sheet bundles bound in the bookbinding step.02-05-2009
20080286007IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus and an image forming method are provided, in which a drum itself forms an electrostatic latent image corresponding to print data that is to be printed, on a surface of the drum, the electrostatic latent image is developed so as to generate a developed image, the developed image is transferred onto a printing medium, and the transferred image is fixed to the printing medium. Accordingly, the time required to print the print data is drastically reduced, it is possible to reduce the size of an image forming apparatus, and high quality print outs can be obtained.11-20-2008
20080286006IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus and an image forming method are provided, in which a drum itself forms an electrostatic latent image on a surface of the drum by charging plates included in the drum surface among plates of capacitors of a plurality of cells based onprint data, wherein the cells constitute a circumference of the drum, the electrostatic latent image is developed so as to generate a developed image, the developed image is transferred onto a printing medium, and the developed image is fixed to the printing medium. Accordingly, the time required to print the print data is drastically reduced, it is possible to reduce the size of an image forming apparatus, and high quality print outs can be obtained.11-20-2008
20080317502IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD USING LATENT IMAGES - An image forming apparatus and an image forming method are provided, in which a drum itself forms an electrostatic latent image for each of one or more basic colors in accordance with print data on a surface of the drum while making the polarities of the electrostatic latent images different, the electrostatic latent images are developed so as to generate developed images, the developed images are transferred onto a printing medium, and the transferred images are fixed to the printing medium. Accordingly, color printing can be rapidly completed even by using a number of drums less than the number of basic colors for use in representing colors to be printed, it is possible to reduce the size of an image forming apparatus, and high quality print outs can be obtained.12-25-2008
20110229202MEMBER FOR IMAGE FORMING DEVICE - Provided is a member for an image forming device. The member has a base material and a film on the surface of the base material. The film is formed to maintain the surface shape of the base material. The member is provided with the base material composed of rubber of a resin, and the metal film composed of a metal, metal oxide, metal carbide, metal nitride or metal sulfide. The metal film is a conductive film formed by ion-plating titanium, aluminum or the like.09-22-2011
20090252532RED SURFACE EMITTING LASER ELEMENT, IMAGE FORMING DEVICE, AND IMAGE DISPLAY APPARATUS - A red surface emitting laser element includes a first reflector, a second reflector including a p-type semiconductor multilayer film, an active layer between the first reflector and the second reflector, and a p-type semiconductor spacer layer between the active layer and the second reflector, the p-type semiconductor spacer layer having a thickness of 100 nm or more and 350 nm or less.10-08-2009
20100232833OPTICAL SCANNER AND IMAGE FORMING APPARATUS - An optical scanner, including a frame member; a pair of connection members near a coupling end with the frame member; a pair of elastic members connected with the frame member by the connection members; a mirror substrate supported by the pair of elastic members, the mirror substrate having a bending rigidity outward from the rotational axis for each area in accordance with a bending moment caused by oscillation, the mirror substrate having a slit at both connection ends with the pair of elastic members; and a piezoelectric element provided on each of the connection members, the piezoelectric element generating a torque for driving the mirror substrate oscillatable back and forth around the pair of elastic members as a torsion rotational axis.09-16-2010
20110255903PROOF PRINTING USING RECYCLED MARKING MATERIAL - Methods and systems supply used marking material to a printing device marking material supply container. The used marking material was previously used in a printing process and was previously removed from one or more photoreceptors. The methods/systems feed the used marking material from the material supply container to a photoreceptor within the printing device and transfer the used marking material to a sheet of media in a printing process performed by the printing device that produces “proof prints.” These proof prints are printed sheets that are used to verify content and/or layout of printed material. The proof prints are not required to comply with any print quality or print durability standard. The methods/systems also fuse (using a heating element within the printing device) the used marking material to the sheet of media at a reduced temperature that is insufficient to comply with any print quality or print durability standard.10-20-2011
20120114378ELECTROPHOTOGRAPHIC INK, LIQUID TONER PRODUCING METHODS, AND DIGITAL PRINTING METHODS - An ink contains dispersed particles, individually including at least one thermoplastic first resin exhibiting a MFI less than or equal to 100, at least one thermoplastic second resin exhibiting a MFI greater than 100, and a white pigment. A liquid toner producing method includes forming a paste containing the resins, combining the paste with a white pigment, and after corn-biasing the paste and pigment, applying a shear force, encapsulating the pigment, and dispersing the encapsulated pigment. A digital printing method includes providing a liquid marking agent containing charged particles dispersed in a carrier liquid, individual particles including at least one thermoplastic first resin and at least one thermoplastic second resin encapsulating a white pigment, and printing a hard image on a substrate. At least a portion of the image has a white color.05-10-2012
20120282000TONER FOR ELECTROPHOTOGRAPHY, DEVELOPER, AND IMAGE FORMING APPARATUS - To provide a toner for electrophotography, which contains a binder resin, a colorant, and an organic-modified layered inorganic mineral, wherein the binder resin contains a crystalline resin in an amount of 50% by mass or greater, and wherein the organic-modified layered inorganic mineral is an organic-modified layered inorganic mineral in which at least part of ions present between layers of a layered inorganic mineral are modified with organic ions.11-08-2012
20080199215AROMATIC POLYCARBONATE, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAGE FORMING APPARATUS - In an electrophotographic photoreceptor including a conductive substrate and a single layer type photosensitive layer, the aromatic polycarbonate is contained to a single layer type photosensitive layer, which aromatic polycarbonate includes a constituent unit represented by the following general formula (1) derived from a compound having a basic asymmetric bishydroxy enamine skeleton represented by the general formula:08-21-2008

Patent applications in class IMAGE FORMATION

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