Patent application number | Description | Published |
20100080592 | IMAGE FORMING DEVICE - An image forming device includes plural electrostatic latent image holding bodies that hold, on surfaces thereof, electrostatic latent images to be developed with developers of multiple colors, respectively, plural electrification control units that face the electrostatic latent image holding bodies and charge or discharge the surfaces of the electrostatic latent image holding bodies, respectively, a current controller that controls electric currents, each of which is supplied between the electrostatic latent image holding body and the electrification control unit for a corresponding one of the multiple colors, to be a constant target current, a maximum voltage output unit that outputs a maximum voltage among voltages each of which is applied between the electrostatic latent image holding body and the electrification control unit for a corresponding one of the multiple colors, and a detector that detects malfunction of the electrification control units when the maximum voltage exceeds a predetermined value. | 04-01-2010 |
20120141153 | IMAGE FORMING APPARATUS - An image forming apparatus is provided, which includes a main body housing that includes an opening formed at an upper side thereof and supports a plurality of photoconductive bodies, a cover that is disposed above the main body and configured to open and close the opening, an exposure unit that is provided to the cover and configured to expose the photoconductive bodies, an image data processor configured to store and process input image data, an exposure unit controller configured to control the exposure unit based on the image data processed by the image data processor, a first circuit board including the image data processor formed thereon, and a second circuit board including the exposure unit controller formed thereon. The first circuit board and the second circuit board are attached to the cover. | 06-07-2012 |
20120207504 | IMAGE FORMING APPARATUS - An image forming apparatus is provided. The image forming apparatus includes a plurality of photosensitive members arranged to align in parallel with one another, an exposure device arranged in an upper position with respect to the plurality of photosensitive members and configured to expose the photosensitive members to light, an exposure controller arranged in an upper position with respect to the exposure device and configured to control the exposure device according to inputted image data, a power board, arranged in a lower position with respect to the plurality of photosensitive members and configured to convert alternate current power to direct current power, and a voltage converter arranged in un upper position with respect to the exposure device and configured to convert the direct current power supplied from the power board into an at least single-leveled first voltage and supply the first voltage to the exposure controller. | 08-16-2012 |
20140112671 | IMAGE FORMING APPARATUS - An image forming apparatus is provided that includes an image forming unit including a process unit, a frame configured to hold the process unit detachably attached thereto, the frame including a first communication portion communicating with an outside of the frame in a first direction to detach the image forming unit from the frame, and a second communication portion communicating with the outside of the image forming apparatus in a second direction different from the first direction, and a material holder configured to hold material for image formation by the image forming unit and detachably attached to a predetermined portion of the frame that is close to the second communication portion relative to the voltage output terminal, so as to close the second communication portion. | 04-24-2014 |
20150037060 | IMAGE FORMING APPARATUS AND MANUFACTURING METHOD FOR THE SAME - An image forming apparatus, comprising: a frame body to which an attachment unit is detachably attachable, the attachment unit being configured to have an input electrode and to be used for image formation on a recording medium; a power source substrate configured to have an output electrode for outputting a voltage and to be attached to the frame body from an opposite side with respect to a side on which the attachment unit is attached; and a connection electrode configured to electrically connect the output electrode to the input electrode of the attachment unit, wherein the frame body comprises an insertion part into which the connection electrode is inserted from an opposite side with respect to a side on which the power source substrate is attached. | 02-05-2015 |
Patent application number | Description | Published |
20100068659 | EXPOSURE APPARATUS AND DEVICE MANUFACTURING METHOD - An exposure apparatus of the present invention is an EUV exposure apparatus | 03-18-2010 |
20130056904 | IMPRINT APPARATUS AND ARTICLE MANUFACTURING METHOD USING SAME - An imprint apparatus includes a deforming unit configured to deform the mold held by the mold holding unit into a convex shape toward the substrate; a driving unit configured to change an attitude of the mold or the substrate during a pressing in which the mold deformed is pressed against the uncured resin to thereby make a position of a contact region at which the mold is brought into contact with the uncured resin movable; a control unit configured to calculate a plane coordinates of a centroid of the contact region based on an image information of the contact region acquired by a measuring unit and to control an operation of the driving unit such that the plane coordinates position of the centroid is directed toward the plane coordinates position of the centroid of a pattern-forming region on the substrate, which has been calculated or has been acquired in advance. | 03-07-2013 |
20130056905 | IMPRINT APPARATUS AND ARTICLE MANUFACTURING METHOD USING SAME - An imprint apparatus molds an uncured resin on a substrate and cures the resin to form a pattern of the cured resin on the substrate. The apparatus includes a mold holding unit that holds the mold, a substrate holding unit that holds the substrate, a deforming unit that deforms the mold held by the mold holding unit into a convex shape toward the substrate, a driving unit that changes an attitude of the mold or the substrate during a releasing operation in which the mold deformed into the convex shape is released from the resin to thereby make the position of a contact region at which the mold is brought into contact with the resin movable, a measuring unit that acquires image information indicating a state of the contact region, and a control unit configured to control the operation of the driving unit based on the image information. | 03-07-2013 |
20140125962 | STAGE APPARATUS AND ADJUSTMENT METHOD THEREOF, EXPOSURE APPARATUS, AND METHOD OF MANUFACTURING DEVICE - A stage apparatus includes a stage, an interferometric measurement device which is arranged to be able to measure a position of a surface of a mirror arranged on a side surface of the stage, and a driving unit configured to position the stage based on a measurement result of the interferometric measurement device. The interferometric measurement device includes: a varying unit configured to periodically vary an incident position where measurement light is incident on the mirror; and a detecting unit configured to detect rotation of the mirror based on a variation amount of the measurement result of the interferometric measurement device, which is generated upon a periodic variation of the incident position. | 05-08-2014 |
20140198307 | INTERFEROMETER SYSTEM, LITHOGRAPHY APPARATUS, AND ARTICLE MANUFACTURING METHOD - Provided is an interferometer system that irradiates an object to be measured with measuring light to thereby measure the position of the object to be measured. The interferometer system includes a laser light source; an interferometer configured to separate laser light emitted from an emission opening of the laser light source into the measuring light and reference light; and an optical path protecting member configured to surround an optical axis such that the laser light passes through the inside thereof and of which one opening is in contact with the emission opening. | 07-17-2014 |