Patent application number | Description | Published |
20090091040 | SEMICONDUCTOR DEVICE AND SEMICONDUCTOR STORAGE DEVICE - A semiconductor storage device includes a memory cell transistor and a selective transistor formed on a semiconductor substrate, a first interlayer insulating film which is formed on the semiconductor substrate, an insulating layer formed by use of a material higher in dielectric constant than the first interlayer insulating film, a contact plug which penetrates the insulating layer and the first interlayer insulating film and which is electrically connected to a drain of the selective transistor, and a bit line which is in contact with the contact plug. A partial region in the bottom surface of the bit line is located lower than the upper surface of the contact plug, and is in contact with the surface of the insulating layer, and the partial region is also in contact with the side surface of the contact plug. | 04-09-2009 |
20100052061 | SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD - A semiconductor device includes a plurality of first MOS transistors has a first gate electrode formed on a first gate insulating film provided on a semiconductor substrate, a plurality of second MOS transistors has a second gate electrode formed on a second gate insulating film which is provided on the substrate and which is smaller in thickness than the first gate insulating film. A first element isolation region has a first region and a second region, a bottom surface of the second region is deeper than that of the first region by the difference of thickness between the first gate insulating film and the second gate insulating film, and a bottom surface of the first region is equal in a bottom surface of a second element isolation region. | 03-04-2010 |
20100124117 | NONVOLATILE SEMICONDUCTOR MEMORY - A memory includes a first word line which is connected to a control gate electrode of a first memory cell, a second word line which is connected to a control gate electrode of a second memory cell, a potential transfer line which is connected to both of the first and second word lines, a first N-channel MOS transistor which is connected between the first word line and the potential transfer line, and a second N-channel MOS transistor which is connected between the second word line and the potential transfer line. A control circuit supplies a first potential with a plus value to a semiconductor substrate, and supplies a second potential with the plus value lower than the first potential to the potential transfer line, to turn the first N-channel MOS transistor on, and to turn the second N-channel MOS transistor off, in erasing data of the first memory cell. | 05-20-2010 |
Patent application number | Description | Published |
20110213097 | ELECTROPHOTOGRAPHIC BELT AND ELECTROPHOTOGRAPHIC APPARATUS - The present invention relates to an electrophotographic belt excellent in surface lubrication property and smoothness. The electrophotographic belt includes at least one selected from the group consisting of a polyalkylene terephthalate and a polyalkylene naphthalate, and a thermoplastic silicone elastomer having a specific structure. | 09-01-2011 |
20110249995 | CONDUCTIVE BELT AND ELECTROPHOTOGRAPHIC APPARATUS - Concerned with a cylindrical conductive belt for electrophotography which has made permanent curl less occur. The conductive belt has a continuous phase containing a thermoplastic polyester resin and discontinuous phases each containing any one or both selected from a polyether-ester amide and a polyether amide, and the discontinuous phases are present in such way as to extend in the peripheral direction of the belt; the belt having a crystallinity that is lower on the outer-peripheral surface side than on the inner-peripheral surface side. | 10-13-2011 |
20120183330 | ELECTROPHOTOGRAPHIC BELT AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic belt includes a thermoplastic resin composition obtained by melt-kneading a thermoplastic polyester resin, at least one selected from polyether ester amide and polyether amide, and particles having a certain core-shell structure. | 07-19-2012 |
20120195657 | PRESSURE ROLLER AND FIXING DEVICE EQUIPPED WITH THE SAME - A pressure roller for use in a fixing device includes a core metal, an elastic layer, and a releasing layer. The releasing layer is made of at least one fluorine resin selected from among tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, ethylene-tetrafluoroethylene copolymer, and tetrafluoroethylene-hexafluoropropylene copolymer. The fluorine resin contains at least one polymer selected from among polyvinylidene fluoride, polyacrylonitrile, and polymethyl methacrylate, and monomer electrolyte. | 08-02-2012 |
20120274002 | METHOD FOR MANUFACTURING SEAMLESS BELT FOR ELECTROPHOTOGRAPHY - A method capable of efficiently manufacturing a high-quality seamless belt for electrophotography is provided. The method is a method for manufacturing a seamless belt for electrophotography including a base layer having a thermoplastic resin composition, and a surface layer, wherein the method includes: (1) forming an energy curable coated film having a glass transition temperature on an outer surface of a test tube-shaped preform including a thermoplastic resin; then blow molding the preform to obtain a blow bottle; (2) irradiating the blow bottle with an energy ray to cure the coated film to thereby form the surface layer; and (3) cutting out a seamless belt from the blow bottle obtained in (2) and having a surface layer. | 11-01-2012 |
20140197578 | ELECTROPHOTOGRAPHIC ENDLESS BELT, METHOD FOR PRODUCING THE SAME, AND ELECTROPHOTOGRAPHIC APPARATUS - A high-quality electrophotographic endless belt and a method capable of efficiently producing the belt are provided. A method for producing an electrophotographic endless belt comprising a base layer including a thermoplastic resin composition and an inner-surface layer, which includes: (1) forming an energy curable film having a glass transition temperature on an inner surface of a test tube-shaped preform including a thermoplastic resin and then subjecting the preform to blow molding to obtain a blow-molded bottle; (2) irradiating the blow-molded bottle with energy rays to cure the film to form an inner-surface layer; and (3) cutting out an endless belt from the blow-molded bottle having the inner-surface layer obtained in (2). | 07-17-2014 |
20140301759 | ELECTROPHOTOGRAPHIC BELT AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - An electrophotographic belt which enables the suppression of bleeding of an electrolyte while minimizing influence on its surface smoothness. The electrophotographic belt showing electroconductivity resulting from dissociation of an electrolyte is made of a resin composition containing a crystalline resin as a binder resin, an oil-soluble dye and an electrolyte. | 10-09-2014 |
20150205230 | CONDUCTIVE BELT AND ELECTROPHOTOGRAPHIC APPARATUS - Concerned with a cylindrical conductive belt for electrophotography which has made permanent curl less occur. The conductive belt has a continuous phase containing a thermoplastic polyester resin and discontinuous phases each containing any one or both selected from a polyether-ester amide and a polyether amide, and the discontinuous phases are present in such way as to extend in the peripheral direction of the belt; the belt having a crystallinity that is lower on the outer-peripheral surface side than on the inner-peripheral surface side. | 07-23-2015 |
20150355561 | ELECTRO-CONDUCTIVE BELT AND ELECTROPHOTOGRAPHIC APPARATUS - Provided is an electro-conductive belt including an electro-conductive resin layer. The electro-conductive resin layer includes a matrix containing a thermoplastic resin having at least one bond selected from the group consisting of an amide bond, an ester bond and a carbonate bond, a domain containing an ionic liquid containing a hexafluorophosphate anion or an anion expressed by formula (1), and particles containing a silicone resin having a structure expressed by formula (2): R | 12-10-2015 |
Patent application number | Description | Published |
20080212631 | RED 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. | 09-04-2008 |
20080298419 | VERTICAL CAVITY SURFACE EMITTING LASER DEVICE - A vertical cavity surface emitting laser device includes a first reflective mirror layer, a second reflective mirror layer, and an active layer disposed therebetween, wherein at least one of the first reflective mirror layer and the second reflective mirror layer includes a periodic-refractive-index structure in which the refractive index periodically changes in the in-plane direction and a part of the periodic-refractive-index structure includes a plurality of parts that disorder the periodicity. | 12-04-2008 |
20090252532 | RED 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 |
20100322669 | RED 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. | 12-23-2010 |
20120327422 | SEMICONDUCTOR OPTICAL INTEGRATED DEVICE AND OPTICAL COHERENCE TOMOGRAPHIC IMAGING APPARATUS PROVIDED WITH THE SEMICONDUCTOR OPTICAL INTEGRATED DEVICE - Provided is a semiconductor optical integrated device, formed by arranging a light emitting element and a light detecting element in a plane of the same substrate, each formed by laminating layers which at least include a first clad layer of a first conductive type, an active layer and a second clad layer of a second conductive type on a substrate, wherein the active layer has a structure where a second active area of a conductive type and an undoped first active area are laminated, and the second active area has the same conductive type as that of the first or second clad layer laminated in the closest position to the second active area. This device suppresses heat generation due to increased operating current and unnecessary light generation at an operation of the light emitting element, and enhancing light absorption efficiency at the an operation of the light emitting element. | 12-27-2012 |
20130116553 | BIOLOGICAL MEASURING APPARATUS AND BIOLOGICAL MEASURING METHOD - A biological measuring apparatus measures physical parameters in a part of a living body by diffuse optical tomography. The apparatus includes at least one first light source and one first detector both disposed inside the living body, at least one second light source and one second detector both disposed outside the living body. A processor processes measured values and reconstructs the distribution of scattering coefficients or absorption coefficients of light interacting with the living body. The measured values are acquired from at least one measurement light beam emitted from the first light source and detected by one of the first and second detectors, and at least one measurement light beam emitted from the second light source and detected by one of the first and second detectors. | 05-09-2013 |
20140055790 | VARIABLE WAVELENGTH SURFACE EMITTING LASER - A surface emitting laser includes a first laser, and a second laser, wherein each of the first laser and the second laser includes a light resonant cavity including a pair of reflecting mirrors, and a semiconductor layer configured to emit light and arranged inside the light resonant cavity, an oscillation wavelength of light varied by displacing a location of the reflecting mirror in a thickness direction of the semiconductor layer, the semiconductor layer is shared by the first laser and the second laser, the first laser has a resonant cavity length for oscillating with (n+1)th order (n is an integer of 1 or more) of a longitudinal mode, the second laser has a resonant cavity length for oscillating with nth order of a longitudinal mode, and respective wavelength bands of light oscillated by the first laser the second laser are different. | 02-27-2014 |
20140168656 | LUMINESCENT DEVICE, OPTICAL COHERENCE TOMOGRAPHIC IMAGING APPARATUS PROVIDED WITH THE LUMINESCENT DEVICE AND CONTROL METHOD OF THE LUMINESCENT DEVICE - A luminescent device including an upper electrode layer, a lower electrode layer and an active layer provided between these electrode layers, the device having such a structure that at least one electrode layer of the upper electrode layer and the lower electrode layer is provided in an in-plane direction of the active layer being divided into plural electrodes, current is injected into plural different regions of the active layer by the plural electrodes to cause emission in plural luminescent regions, and light emitted from one luminescent region of the plural luminescent regions enters in another luminescent region and exits. The device further includes a light receiving portion for detecting light that is emitted from one luminescent region of the plural luminescent regions and does not go through another luminescent region. | 06-19-2014 |
20150029512 | SURFACE EMITTING LASER AND OPTICAL APPARATUS - A surface emitting laser comprises an upper reflecting mirror, a lower reflecting mirror, and an active layer located between those mirrors. A cavity of the surface emitting laser consists of the upper reflecting mirror and the lower reflecting mirror. In the surface emitting laser, a plurality of individual light receiving portions is located in an optical path inside the cavity in order to detect a laser beam. | 01-29-2015 |
Patent application number | Description | Published |
20080211946 | IMAGE SENSING APPARATUS AND IMAGE SENSING SYSTEM - An image sensing apparatus comprises an image sensing element having an image sensing unit configured to include an effective pixel area in which light is incident on arrayed pixels and a shading pixel area in which the arrayed pixels are shaded, analog-to-digital conversion units connected one-to-one to columns of the arrayed pixels, a feedback control unit configured to output, commonly on an input side of each of the analog-to-digital conversion units, an offset compensation signal for compensating for an amount of error between a reference value and an output signal of the shading pixel area output from at least one of the analog-to-digital conversion units, and offset compensation units arranged one-to-one on the input side of each of the analog-to-digital conversion units, and to compensate for offset by subtracting an output signal of the feedback control unit from an output signal of the effective pixel area. | 09-04-2008 |
20090316033 | IMAGE SENSING APPARATUS - An image sensing apparatus comprises: a pixel array; a driving unit; a readout unit which, when performing still image shooting parallel to movie shooting, reads out, in each of successive frame periods, first signals from a first pixel group, and reads out, over the successive frame periods, second signals of a first frame period from pixels of a second pixel group that are different from each other between the successive frame periods; and a generation unit which generates an image signal for a movie of one frame in each of the successive frame periods from the first signals read out in each of the successive frame periods, and also generates an image signal for a still image of one frame in the first frame period by composing the first signals read out in the first frame period and the second signals read out over the successive frame periods. | 12-24-2009 |
20100045827 | IMAGE PICKUP APPARATUS - An image pickup apparatus is provided that is capable of obtaining a correction value effective for horizontal noise correction, while suppressing increase in chip area of an image pickup device. The image pickup apparatus includes an image pickup device ( | 02-25-2010 |
20110193983 | SOLID-STATE IMAGE SENSOR, DRIVING METHOD THEREOF, AND IMAGING APPARATUS - In an imaging mode for reading a part of a plurality of pixels, signals of same color adjacent pixels are simultaneously read out to capacities, and at least two capacities in a same pixel row are once short-circuited. Further, capacities of a plurality of the pixel rows are once short-circuited to perform operation for averaging the pixels in vertical and horizontal directions. With the configuration, it is possible to solve deterioration in image quality due to occurrence of moire caused by reduction in sampling frequency in a thinning reading operation mode capable of high-speed reading. | 08-11-2011 |
20120268619 | IMAGE SENSOR AND IMAGE CAPTURE APPARATUS - An image sensor comprises a pixel array formed by arraying pixels in a column direction and a row direction; a column common readout unit provided for each pixel column in the pixel array; at least three readout channels which sequentially read signals from the column common readout units, respectively; and a readout channel selection unit which selects readout channels so that the signal is output from each of the column common readout units to a corresponding one of the at least three readout channels, wherein the readout channel selection unit selects readout channels, to which the signals are output from the column common readout units, in a predetermined pattern that varies in each individual row of the pixel array. | 10-25-2012 |
Patent application number | Description | Published |
20120039624 | ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, PROCESS CARTRIDGE AND DEVELOPING CARTRIDGE - An electrophotographic image forming apparatus for forming an image on a recording material includes: a process cartridge, including a photosensitive drum and process means actable on the photosensitive drum, for being detachably mountable to a main assembly of the developing cartridge, including a developing roller for developing an electrostatic latent image formed on the photosensitive drum with a developer and including a developer accommodating portion, for being detachably mountable to the main assembly; and a cartridge supporting member movable, while supporting at least a pair of the process cartridge and the developing cartridge, between an inside position in which the cartridge supporting member is located inside the main assembly and in which the pair of the process cartridge and the developing cartridge is located at an image forming position and an outside position in which the cartridge supporting member is located outside the main assembly and in which the process cartridge and the developing cartridge are mountable and demountable. The process cartridge and the developing cartridge are independently demountable upward relative to the cartridge supporting member when the cartridge supporting member is located at the outside position. The apparatus further includes positioning means for positioning the process cartridge and the developing cartridge in the main assembly when the cartridge supporting member is located at the inside position. | 02-16-2012 |
20120147395 | IMAGE FORMING APPARATUS - A sheet interval, serving as the distance between conveyed recording materials, is properly controlled based on a kind of a recording material and any one of a printing ratio, an adhesion amount of toner, and the presence or absence of graphic data, thus allowing printing at throughput suitable for, for example, the kind of the recording material and the printing ratio without changing an image forming condition such that image quality does not vary. | 06-14-2012 |
20130161901 | SHEET TRANSPORT APPARATUS AND IMAGE FORMING APPARATUS - A sheet transport apparatus includes: a transport portion that transports a sheet; a skew correction portion against which a leading edge of the sheet transported by the transport portion abuts for skew correction, the skew correction portion moving to a position where the skew correction portion does not hinder the transport of the sheet after the skew correction; and a plurality of sheet abutting portions that is provided in the skew correction portion and against that the leading edge of the sheet transported by the transport portion abuts, the plurality of sheet abutting portions respectively including a resin member, and an abutting portion which is provided in the resin member and having an abrasion resistance higher than that of the resin member, and against which the leading edge of the transported sheet abuts. | 06-27-2013 |
20140126945 | IMAGE FORMING APPARATUS - A representative configuration of an image forming apparatus according to the invention includes: an image forming portion; a transfer portion; a fixing portion; a curl correcting unit which is provided on a downstream of the fixing portion in a sheet conveyance direction and includes a first roller and a second roller; a holding portion which movably holds the second roller; a biasing member which applies a force to the holding portion; a door which rotatably holds the first roller, is supported to be opened and closed, and separates the first roller from the second roller by being opened; and a retracting portion which allows the holding portion to be retracted to a position where the second roller deviates from a movement path of the door against a biasing force of the biasing member according to a closing operation of the door. | 05-08-2014 |
20140233992 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a fixing portion for fixing an image formed on a recording material; and a guide member for guiding the recording material. The guide member is provided at an entrance to the fixing portion and at an end portion with respect to a direction perpendicular to a feeding direction of the recording material The guide member is moved when the guide member is pushed by the recording material. | 08-21-2014 |
20140234001 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a transfer portion for transferring an image onto a sheet at a transfer nip; a fixing portion for fixing the image on the sheet at a fixing nip; a sheet feeding guide, provided between the transfer portion and the fixing portion, having a sheet guide surface; a sheet detecting portion provided between the transfer portion and the fixing portion; and a controller for controlling a sheet feeding speed of at least one of the transfer portion and the fixing portion depending on an output of the sheet detecting portion so that a feeding attitude of the sheet sandwiched at both of the transfer nip and the fixing nip is maintained in a predetermined feeding attitude. The sheet guide surface of the sheet feeding guide has a most recessed region in a region between the transfer portion and the sheet detecting portion. | 08-21-2014 |
20140286665 | FIXING DEVICE - An image forming apparatus that forms a toner image on a recording medium includes an image forming unit that forms an unfixed toner image on a recording medium; a fixing unit that heats the recording medium bearing the unfixed toner image and fixes the unfixed toner image onto the recording medium at a nip portion; a heating member and a pressurizing member that touches the heating member and forms the nip portion therebetween; a first blower that blows air to a non-sheet-passing area of a small-size recording medium in the heating member; and a second blower that blows air to a non-sheet-passing area of a small-size recording medium in the pressurizing member. Upon the temperature of the non-sheet-passing area of the heating member exceeding a threshold temperature, the first blower blows without the second blower blowing, then the two blowers start blowing together. | 09-25-2014 |
20150198921 | DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS - A drive transmission device includes: a gear, provided with a shaft hole, for transmitting a driving force; a frame to which a fixing shaft for rotatably supporting the gear by engaging with the shaft hole is fixed, wherein during transmission of the driving force, the gear is urged in a radial direction of the shaft hole, and a predetermined region of an outer peripheral surface of the fixing shaft slides on an inner peripheral surface of the shaft hole; and a holding portion, provided in a position closer to a center of the fixing shaft than the predetermined region with respect to a radial direction of the fixing shaft, for holding a lubricant between itself and the shaft hole. The holding portion is disposed only in a position opposite the predetermined region with respect to the center of the fixing shaft. | 07-16-2015 |
20150227101 | IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM - An image forming apparatus includes a detection unit that detects information about a used amount of a unit, and a control unit that outputs information indicating that the unit is required to be replaced when the information about the detected used amount reaches a first predetermined threshold value, wherein the control unit changes the threshold value to a second threshold value according to information about the used amount when the unit is replaced. | 08-13-2015 |
20150253718 | IMAGE FORMING APPARATUS - An image forming apparatus has a fixing unit including a first fixing member and a second fixing member opposing to the first fixing member, a curl correcting unit including a first curl correcting member and a second curl correcting member opposing to the first curl correcting member, a first changing member rotatable about a first rotation center, the first changing member changing a pressure to the sheet by the first fixing member and the second fixing member, and a second changing member rotatable about the first rotation center, the second changing member changing a pressure to the sheet by the first curl correcting member and the second curl correcting member. | 09-10-2015 |
20150301498 | IMAGE FORMING APPARATUS - An image forming apparatus includes a fixing unit that fixes an image, an obtaining unit that obtains information regarding conveying time taken to convey a recording material, a detection unit that detects information regarding an environment, and a control unit configured to determine, based on the information regarding the conveying time and the information regarding the environment, a timing at which the fixing unit is replaced. | 10-22-2015 |
Patent application number | Description | Published |
20090157696 | IMAGE SHARING SYSTEM, IMAGE MANAGING SERVER, AND CONTROL METHOD AND PROGRAM THEREOF - An image processing apparatus determines categories for classifying image data based on shooting information of the image data, generates an update information file for each category, and uploads the update information file along with the image data to an image managing server. A client terminal registers, in advance, the address of a desired update information file, and periodically checks the update information file in the image managing server. If the update information file indicates that new image data has been added to the image managing server, the image data is downloaded in accordance with the file path described in the update information file. | 06-18-2009 |
20090303341 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - An image processing apparatus for applying image processing to image data by adjusting values of a plurality of adjustment items, comprises an acquisition unit configured to acquire a characteristic of the image data by analyzing the image data, a decision unit configured to decide an order of settings of the values of the plurality of adjustment items based on the acquired characteristic of the image data, and a display unit configured to display value setting fields used to set the values of the adjustment items on a screen in accordance with the decided order. | 12-10-2009 |