Patent application number | Description | Published |
20100245643 | SOLID-STATE IMAGE PICKUP ELEMENT AND CAMERA SYSTEM - A pixel driving portion | 09-30-2010 |
20120235021 | SOLID-STATE IMAGING DEVICE, IMAGING APPARATUS, ELECTRONIC APPLIANCE, AND METHOD OF DRIVING THE SOLID-STATE IMAGING DEVICE - A solid-state imaging device includes: a device portion in which unit constituent elements, each of which includes a charge detection unit detecting a charge that is generated on the basis of changes in physical information and a transfer unit transferring a signal charge detected by the charge detection unit, are arranged in a predetermined direction; and a supplied voltage control portion capable of transferring a part of the charge detected by the charge detection unit through supplying of a control voltage for suppressing blooming to the transfer unit and capable of transferring the signal charge detected by the charge detection unit through supplying of a first control voltage that is different from the control voltage for suppressing the blooming to the transfer unit. | 09-20-2012 |
20130128088 | SOLID-STATE IMAGE PICKUP ELEMENT AND CAMERA SYSTEM HAVING MECHANISM FOR CANCELING POTENTIAL DROP ON SIGNAL LINE - A pixel driving portion | 05-23-2013 |
20140151532 | SOLID-STATE IMAGING DEVICE, AND ELECTRONIC SYSTEM - A solid-state imaging device includes: a pixel array including a plurality of pixels disposed in a matrix, the pixels including a charge holding section configured to hold a signal charge transferred from a photoelectric conversion section, and to include a capacitor section having a first capacitance value and an additional capacitor section for increasing the first capacitance value to be a second capacitance value; and to part of a reset transistor configured to reset a charge held by the charge holding section, a test-voltage power source configured to apply a test voltage having a voltage different from a drive voltage of the reset transistor. | 06-05-2014 |
20150021462 | SOLID-STATE IMAGING UNIT AND ELECTRONIC APPARATUS - A solid-state imaging unit includes: a pixel section including a plurality of pixels each including a photoelectric conversion section, a charge-voltage conversion section, and a transfer transistor transferring charge accumulated in the photoelectric conversion section to the charge-voltage conversion section; and a storage section storing information about an optimum value of an intermediate voltage to be applied to a gate of the transfer transistor at time of an intermediate transfer operation when a signal charge accumulated in the photoelectric conversion section is divided to be read in a predetermined times of the intermediate transfer operations and a complete transfer operation. | 01-22-2015 |
20150229856 | SOLID-STATE IMAGING DEVICE, IMAGING APPARATUS, ELECTRONIC APPLIANCE, AND METHOD OF DRIVING THE SOLID-STATE IMAGING DEVICE - A solid-state imaging device includes: a device portion in which unit constituent elements, each of which includes a charge detection unit detecting a charge that is generated on the basis of changes in physical information and a transfer unit transferring a signal charge detected by the charge detection unit, are arranged in a predetermined direction; and a supplied voltage control portion capable of transferring a part of the charge detected by the charge detection unit through supplying of a control voltage for suppressing blooming to the transfer unit and capable of transferring the signal charge detected by the charge detection unit through supplying of a first control voltage that is different from the control voltage for suppressing the blooming to the transfer unit. | 08-13-2015 |
Patent application number | Description | Published |
20110145521 | DATA PROCESSING SEMICONDUCTOR DEVICE - To improve the reliability of controlling overwriting of a nonvolatile memory in a data processing semiconductor device. | 06-16-2011 |
20110235419 | NON-VOLATILE SEMICONDUCTOR STORAGE DEVICE - In a split gate MONOS memory which carries out rewrite by hot carrier injection, retention characteristics are improved. A select gate electrode of a memory cell is connected to a select gate line, and a memory gate electrode is connected to a memory gate line. A drain region is connected to a bit line, and a source region is connected to a source line. Furthermore, a well line is connected to a p type well region in which the memory cell is formed. When write to the memory cell is to be carried out, write by a source side injection method is carried out while applying a negative voltage to the p type well region via the well line. | 09-29-2011 |
20120014193 | CHARGE PUMP CIRCUIT, NONVOLATILE MEMORY, DATA PROCESSING APPARATUS, AND MICROCOMPUTER APPLICATION SYSTEM - Improvement technology of a charge pump circuit is provided for avoiding device destruction due to electrification of an intermediate node of plural capacitors coupled in series to form one step-up capacitor, and avoiding reduction of pump efficiency due to leakage current which flows through a leakage path of the intermediate node concerned. A charge pump circuit includes a step-up capacitor configured by a first capacitance and a second capacitance coupled in series, a capacitance driver, and a protection circuit. The protection circuit is set at a conductive state and discharges a stored charge at the series coupling node of the first capacitance and the second capacitance, when the step-up voltage is not generated, and the protection circuit is maintained in a non-conductive state, when the step-up voltage is generated. Accordingly, relaxation of the withstand voltage of the step-up capacitor is achieved, and reduction of the pump efficiency is avoided. | 01-19-2012 |
20140092688 | Non-Volatile Semiconductor Storage Device - In a split gate MONOS memory which carries out rewrite by hot carrier injection, retention characteristics are improved. A select gate electrode of a memory cell is connected to a select gate line, and a memory gate electrode is connected to a memory gate line. A drain region is connected to a bit line, and a source region is connected to a source line. Furthermore, a well line is connected to a p type well region in which the memory cell is formed. When write to the memory cell is to be carried out, write by a source side injection method is carried out while applying a negative voltage to the p type well region via the well line. | 04-03-2014 |
Patent application number | Description | Published |
20080219585 | Image Processing Apparatus, Image Apparatus, Image Processing Method, and Computer Program - An image processing apparatus includes the following elements. An image input unit receives a long-time exposure image and a short-time exposure image. An image analysis unit detects a brightness-change pixel in which a brightness change has occurred during a photographic period on the basis of analysis of pixel values in the long-time exposure image and the short-time exposure image. A pixel value correction unit corrects a pixel value of the detected brightness-change pixel. In the pixel value correction unit, a combined image generator selectively combines pixel values in the long-time exposure image and pixel values in the short-time exposure image to generate a combined image; an intermediate image generator generates a blurred image of the combined image; and an output image generator determines a pixel value of the detected brightness-change pixel using a pixel value of a corresponding pixel in each of the combined image and the blurred image. | 09-11-2008 |
20090072123 | Solid-state imaging device and drive control method for the same - A CMOS sensor has unit pixels each structured by a light receiving element and three transistors, to prevent against the phenomenon of saturation shading and the reduction of dynamic range. The transition time (fall time), in switching off the voltage on a drain line shared in all pixels, is given longer than the transition time in turning of any of the reset line and the transfer line. For this reason, the transistor constituting a DRN drive buffer is made proper in its W/L ratio. Meanwhile, a control resistance or current source is inserted on a line to the GND, to make proper the operation current during driving. This reduces saturation shading amount. By making a reset transistor in a depression type, the leak current to a floating diffusion is suppressed to broaden the dynamic range. | 03-19-2009 |
20100118174 | IMAGE PICKUP DEVICE - A method for driving an image pickup device in which a predetermined voltage which is between a power source voltage and a reference voltage is generated, a voltage of an output signal line to the predetermined voltage is set, and a reset voltage from a pixel circuit is output to the output signal line | 05-13-2010 |
20110069205 | IMAGE PROCESSING APPARATUS, IMAGE CAPTURING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - Provided is an image processing apparatus including: an image combination unit which generates combined images by combining photographed images having different exposure times; and a motion area detection unit which performs a comparison process on a plurality of the combined images generated by the image combination unit to acquire a pixel value difference and which performs a motion area detection process of comparing the pixel value difference with a predetermined threshold value and determining a pixel area, of which the pixel value difference is equal to or larger than the threshold value, to be a motion area where motion of a subject is estimated to have occurred. | 03-24-2011 |
20110115942 | IMAGE PROCESSING DEVICE, IMAGING APPARATUS, IMAGING PROCESSING METHOD, AND PROGRAM - An image processing device includes an image correction unit which receives a synthesized image and pseudo color pixel information indicating a pseudo color pixel position included in the synthesized image and executes pixel value correction. The image correction unit selects non-pseudo color pixels as reference pixels from a reference region set in a surrounding region of the pixel to be corrected, sets a similarity weight coefficient in which a large weight is set as a pixel value of the reference pixel that is close to a pixel value of the pixel to be corrected and a pixel position weight coefficient in which a large weight is set as the pixel value of the reference pixel that is near a pixel position of the pixel to be corrected, with respect to the reference pixels, and determines a correction pixel value of the pixel to be corrected by a weighted summation process. | 05-19-2011 |
20110134288 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD, IMAGING APPARATUS, AND COMPUTER PROGRAM - Correction processing of crosstalk amount is adaptively performed even under conditions where optical conditions, such as a lens to be used, are unknown. | 06-09-2011 |
20120287294 | IMAGE PROCESSING APPARATUS, IMAGE PICKUP APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - There is provided an image processing apparatus including an HDR (High Dynamic Range) processing unit inputting images picked up while exposure control that changes an exposure time is being carried out with a predetermined spatial period and a predetermined temporal period on pixels that compose an image sensor, and carrying out image processing. The HDR processing unit generates a first combined image by combining pixel values of a plurality of images with different sensitivities generated by an interpolation process using a plurality of consecutively picked-up images, generates a second combined image by combining pixel values of a plurality of images with different sensitivities generated by an interpolation process that uses a single picked-up image, and generates an HDR image by executing a pixel value blending process on the first combined image and the second combined image in accordance with a blending ratio calculated in accordance with movement detection information. | 11-15-2012 |
20130010153 | IMAGE PICKUP APPARATUS AND IMAGE PICKUP APPARATUS CONTROL METHOD, AND PROGRAM - To provide an apparatus and method for realizing a processing with which a pixel gravity center control can be conducted when a pixel number reduction image is generated in an image pickup apparatus. A pixel unit configured to output a pixel addition signal obtained by adding output pixel signals from pixels having different sensitivities to each other and a pixel information synthesis unit configured to execute a weighted addition processing of multiplying plural pixel addition signals output from the pixel unit by a previously set gain and calculate a configuration pixel value of a pixel number reduction image where a total number of pixels is lower than a number of pixels of the pixel unit are provided. A control on gravity center positions for respective pixels constituting the pixel number reduction image is executed through the pixel addition signal generation processing by the pixel unit and the weighted addition processing by the pixel information synthesis unit. For example, a gravity center position control to evenly arrange the gravity center positions for the respective pixels constituting the pixel number reduction image in the pixel unit is executed. Through this processing, it is possible to generate a high quality image in which a generation of jaggies or the like is suppressed. | 01-10-2013 |
20130242152 | IMAGE PROCESSING DEVICE, IMAGING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM - A device and method are provided to generate an image with a wide dynamic range, based on one photographed image. An exposure time control is executed in which different exposure times are set in units of rows of a pixel portion, in units of pixel regions, or similar, and different, multiple pixel information which are the pixel values of the pixels set with different exposures are obtained. For example, high sensitivity pixel information is obtained from long exposure pixels, low sensitivity information is obtained from short exposure pixels, and a pixel value for the output image is calculated based on the pixel information with these different sensitivities. For example, for high luminosity regions, the sensitivity pixel information may have a saturated value, and so a large weight is set to the low sensitivity pixel information, also for low luminosity regions, the SN ratio of low sensitivity pixel information is estimated to be poor, and so a large weight is set to the high sensitivity pixel information to determine the output pixel value. | 09-19-2013 |
20140001338 | SOLID-STATE IMAGING DEVICE AND DRIVE CONTROL METHOD FOR THE SAME | 01-02-2014 |
20140267828 | IMAGE PROCESSING APPARATUS, IMAGING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - An apparatus and a method that can efficiently generate a wide dynamic range image to which each piece of pixel information of a high sensitivity pixel and a low sensitivity pixel is applied are realized. High sensitivity pixel information obtained by adding pixel values of a plurality of high sensitivity pixels and low sensitivity pixel information obtained by adding pixel values of a plurality of low sensitivity pixels are output as output pixel signals from pixels of different sensitivities from a pixel unit, these pixel information are combined in a pixel information combining unit, an output pixel value is determined, and an output image of a wide dynamic range is output. In the pixel information combining unit, a weight for the high sensitivity pixel information or the low sensitivity pixel information is changed according to brightness of a subject, weight addition of the high sensitivity pixel information and the low sensitivity pixel information is performed, a pixel value of an output image is determined, and the pixel value is output. | 09-18-2014 |
20140307158 | IMAGE PICKUP APPARATUS AND IMAGE PICKUP APPARATUS CONTROL METHOD THAT GENERATES AN IMAGE WITH TRANSFORMED NUMBER OF PIXELS - Apparatus and method for realizing a processing with which a pixel gravity center control can be conducted when a pixel number reduction image is generated in an image pickup apparatus. A pixel unit configured to output a pixel addition signal obtained by adding output pixel signals from pixels having different sensitivities to each other and a pixel information synthesis unit configured to execute a weighted addition processing of multiplying plural pixel addition signals output from the pixel unit by a previously set gain and calculate a configuration pixel value of a pixel number reduction image where a total number of pixels is lower than a number of pixels of the pixel unit are provided. | 10-16-2014 |
20140313400 | IMAGE PROCESSING APPARATUS, IMAGE PICKUP APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - There is provided an image processing apparatus including an HDR (High Dynamic Range) processing unit inputting images picked up while exposure control that changes an exposure time is being carried out with a predetermined spatial period and a predetermined temporal period on pixels that compose an image sensor, and carrying out image processing. The HDR processing unit generates a first combined image by combining pixel values of a plurality of images with different sensitivities generated by an interpolation process using a plurality of consecutively picked-up images, generates a second combined image by combining pixel values of a plurality of images with different sensitivities generated by an interpolation process that uses a single picked-up image, and generates an HDR image by executing a pixel value blending process on the first combined image and the second combined image in accordance with a blending ratio calculated in accordance with movement detection information. | 10-23-2014 |
20140341483 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - There is provided an image processing apparatus including an image processing unit which performs image processing on each of a plurality of images of a same subject having different resolutions, and an image combining unit which combines an image processing result of each of the plurality of images obtained by the image processing unit. | 11-20-2014 |
Patent application number | Description | Published |
20100254724 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes a developer container that contains a two-component developer including a carrier and a toner attached to the carrier through a frictional electrification. The developing device also includes a developing roller that supplies the two-component developer from the developer container to an image carrier. Further, the developing device includes a first developer supplying unit, and a second developer supplying unit that is aligned with the first developer supplying unit and located more distant from the developing roller than the first developer supplying unit is from the developing roller. The first developer supplying unit and the second developer supplying unit circularly convey the two-component developer while stirring the two-component developer to supply the two-component developer to the developing roller. An absolute rotation speed of the second developer supplying unit is changeable without a change in a rotation speed of the developing roller. | 10-07-2010 |
20110206429 | Image forming apparatus - An image forming apparatus including a color toner image forming unit that forms a color toner image on a recording medium; a first colorless transparent toner image forming unit that forms a first colorless transparent toner image on the color toner image; a first fixing unit that fixes the image on the recording medium; a gloss level increasing device that increases a gloss level of the entire image on the recording medium that has been fixed; a second colorless transparent toner image forming unit that forms a second colorless transparent toner image on the image whose gloss level has been increased; and a second fixing unit that fixes the second colorless transparent toner image on the recording medium. | 08-25-2011 |
20110223527 | Image forming method, image forming apparatus, varnish applicator, and toner - An image forming method including forming a toner image on a transfer medium with a toner comprising a wax having a polar group, and applying a varnish to the toner image. The wax may be a plant wax having an ester group, a wax having a polar group derived from a fatty acid, an oxidized wax, or a mixture thereof. The varnish may include a surfactant, such as a polyoxyethylene glycol, and may be photocurable. | 09-15-2011 |
20120063819 | IMAGE FORMING APPARATUS - After at least one toner image is transferred to a medium to which an image is transferred from at least one of a plurality of image forming stations used, at least one toner image is transferred from at least one of the rest of the image forming stations, and this transfer operation is repeated a plurality of times to transfer toner images to the medium to which an image is transferred. In this manner, the toner images on the medium to which an image is transferred are formed using a desired number of color toner including a transparent toner. In addition, the order in which the transparent toner is transferred from the image forming station that is used for the transparent toner and toner other than the transparent toner is transferred from image forming stations in which the transparent toner is not used can be freely or automatically selected. | 03-15-2012 |
20120082829 | TONER, PRINTED MATERIAL, METHOD OF PREPARING PRINTED MATERIAL AND IMAGE FORMING APPARATUS HAVING VARNISH APPLICATION MEANS - A toner including a petroleum wax, wherein the petroleum wax comprises a paraffin wax having a polarity. | 04-05-2012 |
20120105915 | CONTROLLER AND HALFTONE DOT SIGNAL GENERATING METHOD CAPABLE OF CONTROLLING GLOSSINESS OF IMAGE - An image glossiness controller has a main component color specifying unit that identifies a prescribed component color and output identification information thereof. A change in amplitude of a convexoconcavity of a toner layer of the prescribed component color is greatest among those of the other component colors when each of the component color toner is formed and fixed alone. Three or more halftone dot signal generators convert clear toner image information into three or more binary clear toner image signals corresponding to three or more component colors per component color pixel using multiple halftone dot characteristics, respectively. Each of the multiple halftone dot characteristics generating three or more binary clear toner image signals has a reversed phase from that generating three or more binary component color image signals. | 05-03-2012 |
20120107004 | IMAGE FORMING SYSTEM, AND IMAGE FORMING METHOD - An image forming system including an image forming device forming on a recording sheet a first chromatic toner image, and a second chromatic toner image having an outermost layer of transparent toner, wherein the transparent toner has lower glass transition temperature than the chromatic toners; a fixing device having a fixing member contacting the recording sheet to heat the toner images to temperature not lower than the glass transition temperature of the chromatic toners so that the toner images are fixed; and a glossing device having a glossing member contacting the recording sheet to heat the toner images to temperature not lower than the glass transition temperature of the transparent toner and lower than the glass transition temperatures of the chromatic toners so that only the transparent toner achieves a rubber state and to cool the heated first and second toner images so that the transparent toner is solidified. | 05-03-2012 |
20120134696 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus which transfers clear toner and at least one of cyan, magenta, yellow, and black color toner onto a recording medium to form an image based on image information and image classification information, the apparatus including a clear priority determiner configured to determine a clear priority based on the image classification information; a toner adherence amount determiner determining amounts of the color toners and the clear toner to be adhered to the recording medium based on the image information and the clear priority; and a toner transferer transferring the color toners and the clear toner onto the recording medium in amounts determined by the toner adherence amount determiner. | 05-31-2012 |
20130011173 | IMAGE GLOSSING APPARATUS, IMAGE GLOSSING METHOD, AND RECORDING MEDIUM STORING IMAGE GLOSSING PROGRAM - An image glossing apparatus including a recording sheet feeder feeding a recording sheet bearing a toner image; a glossing device including a heater heating a glossing portion of the toner image to gloss the portion; a glossiness information obtaining device obtaining position information on the position of the glossing portion; and a position detector including a tip detector detecting tip of the fed recording sheet, and a distance measuring device measuring the moving distance of the recording sheet after the tip of the recording sheet is detected. The position detector detects the position of a portion of the recording sheet facing the heater based on the information on the tip of the recording sheet and the information on the moving distance of the recording sheet. When the portion of the recording sheet facing the heater is the glossing portion, the heater heats the portion to gloss the glossing portion. | 01-10-2013 |
20130028619 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND IMAGE FORMING PROGRAM - An image forming apparatus and method compute a total amount of toner to be deposited per unit area of a target image. When the highest total amount of toner computed exceeds a given level, a heating determination unit, using a processor, determines whether a first heating amount range enabling fusing of the computed highest total amount of toner and a second heating amount range enabling fusing of the computed lowest total amount of toner have an overlapping portion that can effectively fuse a first toner image, a second toner image, and identifies a heating amount to fuse a toner image of the target image from an overlapping portion that can effectively fuse the first toner image, and the second toner image. | 01-31-2013 |
20130028620 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND IMAGE FORMING PROGRAM - An image forming apparatus and method that compute a total amount of toner to be deposited per unit area of a target image in which a first unit area is computed to form a first toner image using a highest total amount of toner, and a second unit area is computed to form a second toner image using a lowest total amount of toner. When the highest total amount of toner computed by a computing unit exceeds a given level, a transfer bias determination unit identifies a transfer bias to transfer a toner image of the target image from an overlapping portion that can effectively transfer the first toner image, and the second toner image. | 01-31-2013 |
20130148993 | IMAGE FORMING APPARATUS - An image forming apparatus includes a nip forming member and a transfer bias output device that outputs a transfer bias to form a transfer electric field in a transfer nip between the nip forming member and an intermediate transfer member. Upon transfer of a composite toner image including a particular toner image onto a recording medium in the transfer nip, the transfer bias output device outputs the transfer bias including a first superimposed bias in which a direct current (DC) component is superimposed on an alternating current (AC) component. Upon transfer of the composite toner image without the particular toner image onto the recording medium in the transfer nip, the transfer bias output device outputs one of the transfer bias including a second superimposed bias having a peak-to-peak value of the AC component smaller than that of the first superimposed bias and the transfer bias including only the DC component. | 06-13-2013 |
20130278943 | PRINT CONTROL DEVICE AND PRINT CONTROL METHOD - An inverse image data generating unit that generates inverse image data that indicates a transparent developer amount that indicates an amount of a transparent developer, and a region where the transparent developer amount is used, based on a color plane image data that indicates a color developer amount that indicates an amount of a color developer, and a region where the color developer amount is used; a conversion unit that converts the transparent developer amount of the inverse image data into a transparent developer amount larger than the transparent developer amount by referring to a conversion table; and a transparent developer plane image data generating unit that generates transparent developer plane image data used in image formation of a transparent developer in an image forming apparatus based on the inverse image data indicating a transparent developer amount after the conversion. | 10-24-2013 |
20130342859 | IMAGE FORMING APPARATUS, IMAGE DATA CONVERTER TO CONVERT IMAGE DATA THEREFOR, AND METHOD OF CONVERTING IMAGE DATA THEREFOR - An image forming apparatus includes an image forming device to form an image on a sheet of recording media according to a toner adhering amount of each pixel and position data indicating a position of the pixel on the sheet, a storage device to store post-processing position data that indicates a position of post processing on the sheet, a retriever to retrieve the post-processing position data from the storage device, and a converter to convert the toner adhering amount of the pixel designated by the post-processing position data. | 12-26-2013 |
20150010337 | IMAGE FORMING APPARATUS - An image forming apparatus includes a color toner image forming device, a fixing device, a cooling device, a colorless toner image forming device, and a control device. The color toner image forming device forms a toner image on a recording medium with a color toner. The fixing device heats the toner image on the recording medium to fix the toner image on the recording medium. The cooling device cools the fixed toner image. The colorless toner image forming device forms a toner image on the recording medium with a colorless toner having a storage elastic modulus of 100 or less and a loss tangent of 10 or greater at a heating temperature of the fixing device. The control device controls cooling power of the cooling device based on whether or not the colorless toner image forming device forms the toner image. | 01-08-2015 |
20150037049 | IMAGE FORMING APPARATUS - An image forming apparatus includes a plurality of image bearing members, replaceable development units, replaceable toner replenishing members, toner supply units, and a control unit. The development units are each provided for a corresponding one of the plurality of image bearing members. The toner replenishing members are each provided for a corresponding one of the development units. The toner supply units are arranged between the respective toner replenishing members and the development units. The control unit causes the image forming apparatus to execute a toner supply unit cleaning mode to convey a last-used toner inside the toner supply unit into the development unit which is last used and to be replaced to empty the toner supply unit, when replacement of the development unit and the corresponding toner replenishing member is designated to use a toner of a type different from the last-used toner. | 02-05-2015 |
20150050033 | IMAGE FORMING APPARATUS - An image forming apparatus includes a plurality of image forming stations, each including a developing device, a toner container containing a colored or special toner, and a replaceable supply-toner conduit extending from the toner container to the developing device; and a toner type identifier to identify a type of toner used in the supply-toner conduit of each of the plurality of image forming stations. | 02-19-2015 |
20150139710 | PROTECTIVE LAYER FORMING DEVICE AND IMAGE FORMING APPARATUS - A protective layer forming device, including: a powdery image bearer protecting agent formed of a granulated product containing a fatty acid metal salt and an inorganic lubricant; and a roller-shaped protecting agent supplying member configured to supply the powdery image bearer protecting agent to a surface of an image bearer. | 05-21-2015 |
20150268618 | IMAGE FORMING APPARATUS - An image forming apparatus includes a first image bearer, a lubricant dispenser to apply lubricant to the first image bearer, and a controller to adjust a spatial interval during image formation between successive recording media on each of which an image is formed, according to a total amount of toner attached to the first image bearer for each of the successive recording media, to apply the lubricant to the first image bearer. | 09-24-2015 |
Patent application number | Description | Published |
20100322656 | IMAGE FORMING APPARATUS AND HEATER CONTROL METHOD - An image forming apparatus includes a halogen heater in a fixing unit; an AC source applying an alternating voltage to the halogen heater; a half-wave control unit that performs the heater half-wave control to control the halogen heater on the half-wavelength basis, according to a heater-on/off pattern set for each control cycle having a predetermined length; a heater-off-time measuring unit that measures heater-off period of time; a phase-control-execution determining unit that determines, based on the measured heater-off period of time, whether the heater phase control is to be performed on the alternating voltage, the phase control being performed by shifting phase of the alternating voltage; and a phase control unit that performs, when the phase control is determined to be performed, the phase control only for a period of time depending on the measured heater-off period of time after switch-on of the heater and before execution of the half-wave control. | 12-23-2010 |
20110064444 | HEATER CONTROL DEVICE, IMAGE FORMING APPARATUS, AND COMPUTER PROGRAM PRODUCT - A heater control device includes a temperature detector that detects a temperature of a heated object heated by a heater; an alternating-current power supply for applying an alternating current voltage to the heater; a turn-on ratio decision unit that determines a turn-on ratio of the heater based on the temperature and a target temperature; a turn-on pattern decision unit that determines a partial turn-on pattern, as the turn-on pattern of the heater, which is a pattern of a turn-on ratio higher than the determined turn-on ratio in terms of a control-period, and to which a partial turn-on instead of a full turn-on is allocated on a half-wavelength basis of the alternating current voltage within the control period based on the turn-on ratio of the heater; and a turn-on controller that controls turn-on of the heater based on the determined turn-on pattern. | 03-17-2011 |
20110303648 | HEATER CONTROL DEVICE, IMAGE FORMING APPARATUS, AND HEATER CONTROLLING METHOD - A heater control device comprising: a storage unit that stores therein a turn-on pattern of a heater specified in units of a predetermined control cycle including a plurality of half-wavelengths of an alternating-current voltage supplied to the heater so as to prevent flickering; | 12-15-2011 |
20150177684 | IMAGE FORMING APPARATUS - An image forming apparatus includes a heat-generating component, a power generation device including a thermoelectric element, a heat radiation device, a cooling device, a temperature detector that detects a temperature increase of the heat-generating component, and a controller. The heat radiation device includes a first radiator plate interposed between the heat-generating component and a surface of the thermoelectric element and a second radiator plate attached to another surface of the thermoelectric element. The cooling device cools the first radiator plate. The controller controls operations of the cooling device and the power generation device by operating the cooling device if the detected temperature increase reaches at least a predetermined threshold value, and causing the power generation device to generate power without operating the cooling device to cool the first radiator plate passively if the detected temperature increase falls below the predetermined threshold value. | 06-25-2015 |
Patent application number | Description | Published |
20080264970 | Liquid Spouting Nozzle, Packaging Bag Using the Nozzle, Box for Packaging Bag and Packaging Structure - It is to provide a cheap liquid pouring nozzle having a one-way function for automatically closing an opening port at the same time of stopping the pouring of a packing material to surely prevent the penetration of air into a package bag, in which the detaching of a cap to the pouring nozzle is useless and the production is easy and the fusion-joining to a package bag main body is simple and sure, as well as a package bag using the same and a box for a package bag and a packaging structure. Such a nozzle is a liquid pouring nozzle constituted by fusion-joining its base end portion to an inner surface of a soft package bag main body at a side portion of the package bag main body through a sealant layer as an outermost layer, in which front and rear laminate films comprising a uniaxially oriented or biaxially oriented base film layer and sealant layers sandwiching it are fused to each other at a surrounding portion other than the base end at a posture of opposing one sealant layers to each other. | 10-30-2008 |
20100327027 | LIQUID SPOUTING NOZZLE, PACKAGING BAG USING THE NOZZLE, BOX FOR PACKAGING BAG, AND PACKAGING STRUCTURE - It is to provide a cheap liquid pouring nozzle having a one-way function for automatically closing an opening port at the same time of stopping the pouring of a packing material to surely prevent the penetration of air into a package bag, in which the detaching of a cap to the pouring nozzle is useless and the production is easy and the fusion-joining to a package bag main body is simple and sure, as well as a package bag using the same and a box for a package bag and a packaging structure. Such a nozzle is a liquid pouring nozzle constituted by fusion-joining its base end portion to an inner surface of a soft package bag main body at a side portion of the package bag main body through a sealant layer as an outermost layer, in which front and rear laminate films comprising a uniaxially oriented or biaxially oriented base film layer and sealant layers sandwiching it are fused to each other at a surrounding portion other than the base end at a posture of opposing one sealant layers to each other. | 12-30-2010 |
20110042411 | LIQUID SPOUTING NOZZLE, PACKAGING BAG USING THE NOZZLE, BOX FOR PACKAGING BAG AND PACKAGING STRUCTURE - It is to provide a cheap liquid pouring nozzle having a one-way function for automatically closing an opening port at the same time of stopping the pouring of a packing material to surely prevent the penetration of air into a package bag, in which the detaching of a cap to the pouring nozzle is useless and the production is easy and the fusion joining to a package bag main body is simple and sure, as well as a package bag using the same and a box for a package bag and a packaging structure. Such a nozzle is a liquid pouring nozzle constituted by fusion-joining its base end portion to an inner surface of a soft package bag main body at a side portion of the package bag main body through a sealant layer as an outermost layer, in which front and rear laminate films comprising a uniaxially oriented or biaxially oriented base film layer and sealant layers sandwiching it are fused to each other at a surrounding portion other than the base end at a posture of opposing one sealant layers to each other. | 02-24-2011 |
20110042412 | LIQUID SPOUTING NOZZLE, PACKAGING BAG USING THE NOZZLE, BOX FOR PACKAGING BAG AND PACKAGING STRUCTURE - It is to provide a cheap liquid pouring nozzle having a one-way function for automatically closing an opening port at the same time of stopping the pouring of a packing material to surely prevent the penetration of air into a package bag, in which the detaching of a cap to the pouring nozzle is useless and the production is easy and the fusion joining to a package bag main body is simple and sure, as well as a package bag using the same and a box for a package bag and a packaging structure. Such a nozzle is a liquid pouring nozzle constituted by fusion-joining its base end portion to an inner surface of a soft package bag main body at a side portion of the package bag main body through a sealant layer as an outermost layer, in which front and rear laminate films comprising a uniaxially oriented or biaxially oriented base film layer and sealant layers sandwiching it are fused to each other at a surrounding portion other than the base end at a posture of opposing one sealant layers to each other. | 02-24-2011 |
20130270296 | LIQUID SPOUTING NOZZLE, PACKAGING BAG USING THE NOZZLE, BOX FOR PACKAGING BAG AND PACKAGING STRUCTURE - It is to provide a cheap liquid pouring nozzle having a one-way function for automatically closing an opening port at the same time of stopping the pouring of a packing material to surely prevent the penetration of air into a package bag, in which the detaching of a cap to the pouring nozzle is useless and the production is easy and the fusion-joining to a package bag main body is simple and sure, as well as a package bag using the same and a box for a package bag and a packaging structure. Such a nozzle is a liquid pouring nozzle constituted by fusion-joining its base end portion to an inner surface of a soft package bag main body at a side portion of the package bag main body through a sealant layer as an outermost layer, in which front and rear laminate films comprising a uniaxially oriented or biaxially oriented base film layer and sealant layers sandwiching it are fused to each other at a surrounding portion other than the base end at a posture of opposing one sealant layers to each other. | 10-17-2013 |