Patent application number | Description | Published |
20090190949 | IMAGE FORMING APPARATUS - An image forming apparatus enables a high-quality double-side printing of a transfer medium by one-pass method using a simple structure. A latent image is formed and developed on an image carrier (drum) in a process cartridge. A resultant toner image is transferred by a first transfer unit (roller) onto either an upper surface of the transfer medium or a first intermediate transfer body (roller) in a first transfer area. The toner image on the first intermediate transfer body is transferred onto a back surface of the transfer medium in a fourth transfer area via a second intermediate transfer body (belt) and a third intermediate transfer body (roller). The fourth transfer area is located downstream of the first transfer area along a transport path of the transfer medium. | 07-30-2009 |
20090238585 | IMAGE FORMING APPARATUS - An image forming apparatus, forming a color image by successively superposing color images, formed on image carriers of corresponding image forming parts arranged along a rotational direction of an endless moving member, onto the endless moving member or a recording medium conveyed thereby, includes a first part causing a color registration pattern to be created on the endless moving member or the recording medium; a second part obtaining a color registration pattern signal by detecting the color registration pattern; a third part changing image formation timing in the image forming parts based on the color registration pattern signal; and a fourth part causing the endless moving member to rotate in forward and reverse directions after the creation of the color registration pattern. The second part obtains the color registration pattern signal by detecting the color registration pattern during each of the forward and reverse rotations of the endless moving member. | 09-24-2009 |
20090292121 | Cyanopyridine derivative and use thereof as medicine - A therapeutic drug for cancer containing a substance selected from the group consisting of a novel cyanopyridine derivative, a pharmaceutically acceptable salt, a hydrate, a water adduct and a solvate as an active ingredient can be provided. | 11-26-2009 |
20110228029 | OPTICAL WRITER, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING OPTICAL WRITER - An optical writer includes a scanning part causing a light beam from a light source to perform scanning on a photosensitive body; an image information obtaining part obtaining image information of an image; a dithering information obtaining part obtaining dithering information of the image; a pixel clock generating part generating a pixel clock signal; and a light emission control part to control the light source based on the image information in accordance with the pixel clock signal. The pixel clock generating part modulates the clock frequency of the pixel clock signal in accordance with phase shift information for correcting a change in the speed of the scanning on main scanning lines on the photosensitive body, and determines the timing of modulating the clock frequency based on the dithering information on a main scanning line basis so that the timing of modulating the clock frequency differs between the main scanning lines. | 09-22-2011 |
20120287479 | OPTICAL SCANNER, IMAGE FORMING APPARATUS, AND BUFFER CONTROL METHOD FOR OPTICAL SCANNER - In an optical scanner, when an emission control unit varies a period at which image data is output from an output buffer of the emission control unit in order to correct a sub scan magnification of a LED array and a vacant region of an input buffer of the emission control unit ceases to exist, a buffer control unit temporarily stores the image data in a vacant region of a memory of an image correcting unit, and transfers the image data temporarily stored in the memory to the input buffer when the vacant region is generated in the input buffer. | 11-15-2012 |
20120300010 | OPTICAL WRITING DEVICE, IMAGE FORMING APPARATUS, OPTICAL WRITING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - An optical writing device stores pieces of dithering information indicating dithering patterns whose densities are different, each piece of dithering information including pieces of identification information associated with pixels of the corresponding dithering pattern, and stores pieces of pixel setting information in which pieces of colored/colorless information indicating each of the pixels is colored or colorless are associated with the pieces of identification information, the pieces of colored/colorless information being set based on a resolution of a light source for forming an electrostatic latent image. The optical writing device also includes a control unit configured to arrange the same dithering patterns in a way that the dithering patterns form a pattern with a given size, and cause the light source to emit light based on information generated by setting the pixels of each of the same dithering patterns to be colored or colorless in accordance with the pixel setting information. | 11-29-2012 |
20130044176 | OPTICAL WRITING DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR CONTROLLING OPTICAL WRITING DEVICE - An optical writing device forms an electrostatic latent image and includes a pixel-information acquiring unit that acquires pixel information and stores the acquired pixel information in a storage medium with respect to each main scanning line; a tilt correcting unit that generates a tilt correction signal specifying a main scanning line from which the pixel information to be input to a light source is read out from the storage medium in order to correct a tilt of the electrostatic latent image; a position correcting unit that generates a position correction signal specifying a timing to input the pixel information to the light source in order to correct a position of the electrostatic latent image; and a pixel-information-input control unit that controls input of the pixel information from the storage medium to the light source in response to the tilt correction signal and the position correction signal. | 02-21-2013 |
20130063536 | LIGHT SOURCE CONTROL APPARATUS AND IMAGE FORMING APPARATUS - A light source control apparatus which controls, based on image data input, light emission of a light source which forms an electrostatic latent image on an image bearing body in an electrophotographic image forming apparatus is disclosed, including a pattern generating unit which generates an internal pattern for position aligning and concentration correcting according to the image data; and a mirroring processing unit which performs a process of mirroring the image data and the internal pattern at a later stage of the pattern generating unit. | 03-14-2013 |
20130070040 | EXPOSURE CONTROL APPARATUS, IMAGE FORMING APPARATUS, AND EXPOSURE CONTROL METHOD - An exposure control apparatus includes: a plurality of line memories; a processing unit that processes image data by successively recording the image data to the plurality of line memories, and successively reading the image data from the plurality of line memories; and an exposing unit that performs, with an exposure cycle, an exposure process according to the processed image data, and that forms a latent image based on the image data onto an image carrier, wherein the image data is transferred with a cycle which is N times as high as the exposure cycle (N is a natural number), and the processing unit reads the image data N times with the exposure cycle. | 03-21-2013 |
20130071130 | TONER CONSUMPTION CALCULATOR, IMAGE FORMING APPARATUS, AND TONER CONSUMPTION CALCULATION METHOD - A toner consumption calculator includes a plurality of line memories; a recorder that sequentially records image data including a plurality of pixels into the line memories; a skew correction unit that performs skew correction on the image data by sequentially reading the image data from the line memories while controlling read timing; and a counter that sequentially reads the image data from the line memories and counts toner consumption of a target pixel on the basis of light amounts of surrounding pixels of the target pixel. | 03-21-2013 |
20130084109 | IMAGE FORMING APPARATUS - An image forming apparatus can transfer a plurality of color component images onto a surface of a recording medium to form an image on the recording medium. The image forming apparatus includes a pattern generation part to generate information about an alignment pattern to be used for a calibration of an image forming, a plurality of stations each including a photosensitive drum to form an alignment pattern corresponding to each of a plurality of color components onto a carry belt or the recording medium, and a read part to detect a plurality of alignment patterns formed by the plurality of stations. | 04-04-2013 |
20130207339 | IMAGE FORMING DEVICE AND CONTROL METHOD FOR IMAGE FORMING DEVICE - According to an embodiment, provided is an image forming device that includes: an image forming unit forming an image in a predetermined cycle in a direction orthogonal to a conveying direction of a printing medium; a velocity acquisition unit acquiring a conveying velocity of the printing medium at a position where the image is formed by the image forming unit; and a correcting unit correcting the cycle on which the image forming unit forms the image in accordance with the conveying velocity acquired by the velocity acquisition unit. | 08-15-2013 |
20130242318 | IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING THE SAME - In the invention, an inclination amount of sensors is reflected in positional deviation correction patterns, and for correcting formation positions of images of various colors, the positional deviation correction patterns are formed on a conveying belt. The positional deviation correction patterns are detected by the sensors. A control unit calculates positional deviation correction amounts based on detection results of the positional deviation correction patterns. Based on the calculated positional deviation correction amounts, the control unit performs calculation for correcting the positional deviation correction patterns, and cancels the inclination amount reflected in the calculation results to obtain final positional deviation correction amounts. Skew correction is performed based on the final positional deviation correction amounts, and thus, the positional deviations are corrected. | 09-19-2013 |
20130343775 | IMAGE FORMING APPARATUS - An image forming apparatus comprises: an image forming unit configured to form an image quality adjustment pattern image on an image carrier to be driven at a predetermined speed; a detector configured to detect the image quality adjustment pattern image; an image quality adjustment controller configured to control image quality adjustment processing in accordance with a detection result by the detector; a speed change unit configured to change an image formation speed indicating a speed at which an image is formed, and an interval change unit configured to change an interval at which the detector acquires a detection result in accordance with a change amount between the image formation speed before changed by the speed change unit and the image formation speed after changed. | 12-26-2013 |
20140002564 | OPTICAL WRITING CONTROL DEVICE, IMAGE FORMING APPARATUS, AND OPTICAL WRITING CONTROL METHOD | 01-02-2014 |
20140049591 | OPTICAL WRITING DEVICE, IMAGE FORMING APPARATUS, AND CONTROL METHOD OF OPTICAL WRITING DEVICE - An optical writing device forming an electrical latent image on a photoreceptor includes an optical writing unit configured to apply light to the photoreceptor, a power supply unit configured to supply power to the optical writing unit, a power supply status detector configured to detect a power supply status of the power supplied from the power supply unit to the optical writing unit, and output power supply information or power cutoff information, a power cutoff information retaining unit configured to retain the power cutoff information when the power cutoff information is output from the power supply status detector, and a power sensor configured to sense a power supply status of the power supplied by the power supply unit based on the power cutoff information retained by the power cutoff information retaining unit. | 02-20-2014 |
20140078521 | IMAGE FORMING APPARATUS, METHOD FOR PERFORMING THE SAME AND COMPUTER READABLE MEDIUM - An image forming apparatus comprising: a resolution conversion unit configured to convert the resolution of a pixel provided by input image data; a gradation conversion unit configured to perform matrix conversion onto the pixel; and a writing unit configured to perform a write operation, wherein, in the normal mode, the gradation conversion unit performs matrix conversion onto the pixel with reference to the gradation conversion table for the normal mode, and the writing unit performs the write operation of the pixel in a normal order that is the order image data being input into the image forming apparatus, and in the reverse mode, the gradation conversion unit performs matrix conversion onto the pixel with reference to the gradation conversion table for the reverse mode, and the writing unit performs the write operation of the pixel in a reverse order opposite to the normal order. | 03-20-2014 |
20140139607 | OPTICAL WRITING DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING OPTICAL WRITING DEVICE - An optical writing device is configured to form electrostatic latent images on a plurality of photosensitive elements by a plurality of light sources. The optical writing device includes: an image-data acquiring section that acquires image data; and a light-source control section that performs light-emission control on the light source based on pixel data generated from acquired image data, and also performs a neutralization process on the photosensitive element by controlling the light source to expose the photosensitive element to light. In the neutralization process, the light-source control section divides a period during which light-on/off control can be performed on the light source, into sub-periods based on pixel data input to the light-source control section, and causes the light sources to be lit in any one of the sub-periods so as to always place at least one of the plurality of light sources in a light-off state. | 05-22-2014 |
20140146371 | IMAGE FORMING APPARATUS AND IMAGE CORRECTION METHOD - Disclosed is an image forming apparatus including, at least, an image data storage unit that stores image data; an inclination amount detection unit that detects a first inclination amount of a portion of the image data spanning from one end to the other end relative to a main scanning direction; an inclination amount storage unit that stores, when a gradient of the image data changes at a point in the main scanning direction, a second inclination amount of a portion of the image data spanning from the one end to the point or from the other end to the point; a correction amount calculation unit that calculates correction amounts associated with the main scanning direction by switching, at the point, whether the first inclination amount is increased or decreased by the second inclination amount; and an image correction unit that corrects an image based on the correction amounts. | 05-29-2014 |
20140152754 | OPTICAL WRITING CONTROL DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING OPTICAL WRITING DEVICE - An optical writing control device includes a light emission control unit that controls light emission of a light source to exposes a photosensitive element. The light emission control unit is configured to draw two patterns as patterns for correction used to correct a transfer position of a developer image obtained by developing an electrostatic latent image formed on the photosensitive element, the two patterns including a narrow width pattern where a width of the pattern corresponds to a width of a detection area of a sensor that detects the patterns, in the main-scanning direction, and a wide width pattern having a wider width than the narrow width pattern, and control the light emission, after calculation of a correction value based on a detection signal of the wide width pattern is properly completed, in a manner where the narrow width pattern is drawn upon the calculation of the correction value. | 06-05-2014 |
20140153010 | OPTICAL-WRITING CONTROL DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING OPTICAL WRITING DEVICE - An optical-writing control device calculates correction values for use in correcting a transfer position at which developing-agent images are to be transferred onto a sheet, and overlaying positions at which the developing-agent images are to be overlaid, based on a detection signal output from a sensor upon detection of a correction pattern for use in correcting the transfer position and a correction pattern for use in correcting the overlaying positions. A timing of detecting the pattern for use in correcting the overlaying positions is determined based on a correction value calculated based on the detection signal output upon detection of the pattern for use in correcting the transfer position. The pattern for use in correcting the transfer position is caused to have a width, in the main-scanning direction, that is wider than the width in the main-scanning direction of the pattern for use in correcting the overlaying positions. | 06-05-2014 |
20140153042 | DATA TRANSMITTING DEVICE, IMAGE FORMING APPARATUS, DATA TRANSMISSION CONTROLLING METHOD, AND RECORDING MEDIUM STORING DATA TRANSMISSION CONTROL PROGRAM - A data transmitting device is provided. The data transmitting device includes plural bundles of signal lines, each of which includes flatly arranged plural signal lines and which are overlaid in such a manner that surfaces of the bundles of signal lines are contacted with each other while the signal lines extend in a same direction, wherein signal transmission and reception are performed through the signal lines; a transmission timing adjuster to adjust signal transmission timing for each of the plural bundles of signal lines; and a transmission timing controller to perform time division control such that the transmission timing adjuster adjusts the signal transmission timing under the time division control for each of the plural bundles of signal lines. | 06-05-2014 |
20150125170 | IMAGE FORMING APPARATUS - An image forming apparatus includes an exposure control unit that performs control, based on a shift-amount of an exposure position from an ideal position, the shift-amount being obtained from a detection-result of a misregistration correcting pattern image, to shift at least one of an exposure timing corresponding to first image data which is input to one of two electric cables in contact with a target electric cable and an exposure timing corresponding to second image data which is input to another one of the two electric cables, with respect to an exposure timing corresponding to target image data being input to the target electric cable both sides of which are in contact with the two other electric cables, among a plurality of the electric cables which corresponds respectively to a plurality of the exposure units provided for each of a plurality of colors. | 05-07-2015 |
20150261118 | OPTICAL WRITING CONTROLLER, IMAGE FORMING APPARATUS, AND OPTICAL WRITING CONTROL METHOD - An optical writing controller controls emission of a light source device including multiple light emitting element rows each constituted by multiple light emitting elements arranged in a sub-scanning direction to form an electrostatic latent image on a photoconductor. The optical writing controller includes an image information acquisition unit to acquire image information on an image to be formed as the electrostatic latent image; a light source control unit to sequentially control emission of the multiple light emitting elements on the basis of information on pixels generated on the basis of the acquired image information; an error information acquisition unit to acquire information indicating an error of a direction in which the light emitting elements are arranged with respect to the sub-scanning direction; and an adjustment value generation unit to generate an adjustment value for adjusting a light quantity of each light emitting element on the basis of the error. | 09-17-2015 |
20150261121 | IMAGE FORMING APPARATUS AND EMISSION CONTROL METHOD - An image forming apparatus comprises: a plurality of exposure units, each of the exposure units including a plurality of light emitting elements that are arranged in a main scanning direction; a calculating unit that, with respect to each of the exposure units, calculates a pre-charge period that is a period during which a pre-charge is performed on at least any of the light emitting elements included in a corresponding exposure unit; and an emission control unit that, with respect to each of the exposure units, causes the light emitting elements included in a corresponding exposure unit to emit light such that a pre-charge period of at least any of the exposure units is shifted with respect to pre-charge periods of remaining ones of the exposure units. | 09-17-2015 |
20150346626 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND RECORDING MEDIUM STORING AN IMAGE FORMING PROGRAM - An image forming apparatus includes multiple exposure units each including multiple light emitting elements, a reading unit that reads data to be used for exposure by each one of the exposure units, one at a time from the exposure unit by the time the exposure units starts exposure, a storing unit that stores the data read by the reading unit, and a transfer unit that transfers the data stored in the storing unit to the exposure unit by the time the exposure unit starts exposure. | 12-03-2015 |
Patent application number | Description | Published |
20080289176 | PRINTED WIRING BOARD AND METHOD FOR PRODUCING THE SAME - The present invention has for its object to provide a multilayer printed circuit board which is very satisfactory in facture toughness, dielectric constant, adhesion and processability, among other characteristics. The present invention is directed to a multilayer printed circuit board comprising a substrate board, a resin insulating layer formed on said board and a conductor circuit constructed on said resin insulating layer, wherein said resin insulating layer comprises a polyolefin resin. | 11-27-2008 |
20080289864 | PRINTED WIRING BOARD AND METHOD FOR PRODUCING THE SAME - The present invention has for its object to provide a multilayer printed circuit board which is very satisfactory in facture toughness, dielectric constant, adhesion and processability, among other characteristics. The present invention is directed to a multilayer printed circuit board comprising a substrate board, a resin insulating layer formed on said board and a conductor circuit constructed on said resin insulating layer, wherein said resin insulating layer comprises a polyolefin resin. | 11-27-2008 |
20080292852 | PRINTED WIRING BOARD AND METHOD FOR PRODUCING THE SAME - The present invention has for its object to provide a multilayer printed circuit board which is very satisfactory in facture toughness, dielectric constant, adhesion and processability, among other characteristics. The present invention is directed to a multilayer printed circuit board comprising a substrate board, a resin insulating layer formed on said board and a conductor circuit constructed on said resin insulating layer, wherein said resin insulating layer comprises a polyolefin resin. | 11-27-2008 |
20090090003 | PRINTED WIRING BOARD AND METHOD FOR PRODUCING THE SAME - The present invention has for its object to provide a multilayer printed circuit board which is very satisfactory in facture toughness, dielectric constant, adhesion and processability, among other characteristics. The present invention is directed to a multilayer printed circuit board comprising a substrate board, a resin insulating layer formed on said board and a conductor circuit constructed on said resin insulating layer, wherein said resin insulating layer comprises a polyolefin resin. | 04-09-2009 |
20090183904 | PRINTED WIRING BOARD AND METHOD FOR PRODUCING THE SAME - A multilayer printed circuit board including a substrate board and a built-up structure formed over the substrate board. The built-up structure includes conductor circuits and resin insulating layers. The built-up structure has via holes interconnecting the conductor circuits through one or more resin insulating layers. The via holes are filled up with plating, and the resin insulating layers is formed of a cycloolefin resin. | 07-23-2009 |
20090188708 | PRINTED WIRING BOARD AND METHOD FOR PRODUCING THE SAME - A method of manufacturing a multilayer printed circuit board including preparing a substrate board having a conductor circuit formed over the substrate board, forming an interlayer resin insulating layer on the conductor circuit formed over the substrate board by press laminating on the conductor circuit a film comprising a cycloolefin resin under vacuum or reduced pressure, and forming a via hole connecting to the conductor circuit through the resin insulating layer, the forming of the via hole including plating the via hole to fill up. | 07-30-2009 |
20090205857 | PRINTED WIRING BOARD AND METHOD FOR PRODUCING THE SAME - A multilayer printed circuit board including a substrate board having a lower conductor circuit, a resin insulating layer formed over the substrate board and lower conductor circuit, and a conductor circuit formed over the resin insulating layer. The resin insulating layer has a via hole filled up with plating and is formed of a linear polyolefin resin formed by hot-pressing a film shaped resin. | 08-20-2009 |