Patent application number | Description | Published |
20110030927 | COOLING DEVICE - In a cooling device that includes a cooling roller that comprises a hollow tubular member and a cooling medium transport unit for transporting a cooling liquid to the inside of the cooling roller and contacts a sheet-like member to cool down the paper, a turbulence generating unit that generates turbulence in a cooling liquid is disposed near an inner wall of the outer tube. | 02-10-2011 |
20110188880 | Cooling device and image forming apparatus including the same - Of a cooling device that is for use in an image forming apparatus and that includes: a heat receiving unit that receives heat from a cooling target and that is disposed to come into and away from contact with the cooling target; a heat radiating unit that radiates the heat received by the heat receiving unit; a heat conductive member disposed on at least one of a surface of the heat receiving unit on the side facing the cooling target and a surface of the cooling target on the side facing the heat receiving unit; and a protection member that is disposed on the heat conductive member to protect the heat conductive member, the protection member is substantially incompatible with binder resin of toner for use in the image forming apparatus. | 08-04-2011 |
20120061057 | Cooling device and image forming apparatus - A liquid-cooling-type cooling device includes a circulatory path for coolant that cools a temperature rise portion; a heat absorbing unit that absorbs a heat from the temperature rise portion by the coolant; a heat radiating unit that radiate the heat from the coolant; a pump that circulates the coolant; and a plurality of liquid-contacting metal portions that comes into contact with the coolant, each of the liquid-contacting metal portions being made of a metal material. At least one of the liquid-contacting metal portions is grounded. | 03-15-2012 |
20120070180 | COOLING DEVICE, COOLING METHOD, AND IMAGE FORMING APPARATUS - A cooling device to cool an apparatus includes a heat receiver to receive heat from a hot portion of the apparatus using a coolant while contacting the hot portion, a heat releaser to cool the heat-received coolant to release the heat from the hot portion to outside the apparatus, the heat releaser having a variable-speed fan of multiple operation speed modes including an off mode, a coolant circulation system through which the coolant is circulated between the heat receiver and the heat releaser, a variable-speed pump to move the coolant through the coolant circulation system, whose operation speed modes include an off mode and relate to a coolant flow rate of the pump, a temperature sensor to detect a temperature in the hot portion, and a controller to control the operation modes of the fan and the pump in accordance with the temperature detected by the temperature sensor. | 03-22-2012 |
20120227927 | COOLING DEVICE AND IMAGE FORMING APPARATUS - A cooling device includes a heat receiving unit arranged to contact with a cooling target to receive heat of the cooling target; a heat radiating unit configured to radiate heat of coolant; a tank configured to store therein the coolant; a circulating path configured to circulate the coolant through the heat receiving unit, the heat radiating unit, and the tank; a pump configured to transfer the coolant in the circulating path; and a liquid transfer detecting unit configured to detect liquid transfer of the coolant. The liquid transfer detecting unit includes a detector arranged above a liquid level of the coolant stored in the tank at a position where the coolant having flowed into the tank is hit when the coolant is transferred. The detector is arranged so as to be visible from the outside of the tank. | 09-13-2012 |
20120263491 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A cooling device using a liquid coolant, including a heat receiving part separatably contactable to a target to be cooled detachably installable in an image forming apparatus, a heat releasing part to release heat from the liquid coolant, a circulation channel through which the liquid coolant is circulated between the heat receiving part and the heat releasing part, and a pump operatively connected to the circulation channel to convey the liquid coolant through the circulation channel. The circulation channel has a flexible part and a metal part continuous with the flexible part. | 10-18-2012 |
20120315069 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A cooling device including at least two cooling members to cool a recording medium passing thereover, a coolant circulation unit to circulate a coolant, and tubing that connects the coolant circulation unit to the cooling members and through which the coolant circulates. Each of the cooling members includes a heat-absorbing surface that directly contacts the recording medium or indirectly contacts the recording medium via a thermal transmission member, an internal channel provided within each of the cooling members through which the coolant circulates, and a channel inlet and outlet formed at downstream and upstream ends of each of the cooling members in a direction of conveyance of the recording medium, respectively. One of an interval and a thermal insulator is provided between the cooling members. | 12-13-2012 |
20130259512 | COOLING DEVICE AND IMAGE FORMING APPARATUS - A cooling device includes a cooling member including a circulation passage for liquid coolant, and a cooling surface being directly or indirectly made to contact with a recording material being conveyed to cool the recording material. The circulation passage includes multiple passage sections arranged crossing to a conveying direction of the recording material, and a folded passage section to guide the liquid coolant from one of the multiple passage sections to another one of the multiple passage sections while changing a flowing direction of the liquid coolant. The folded passage section is disposed outside of an image forming area of the recording material on the cooling surface of the cooling member. | 10-03-2013 |
20130322915 | IMAGE FORMING APPARATUS - An image forming apparatus includes an air-conditioning section to control at least one of temperature and humidity of air, a first passage to guide the air sent off by the air-conditioning section to a temperature-controlled portion in the image forming apparatus, an air-intake section to take in the air from outside of the image forming apparatus, and a second passage to guide the air taken in by the air-intake section to the temperature-controlled portion. | 12-05-2013 |
20140044462 | COOLING DEVICE, IMAGE FORMING APPARATUS INCLUDING SAME, AND COOLING METHOD - A cooling device for use in an image forming apparatus, disposed downstream within the apparatus in a direction of conveyance of a sheet from a fixing device that fixes an image onto the sheet at a temperature corresponding to a sheet type, includes a conveyance part to convey the sheet, a cooling member to absorb heat by thermal conduction from the sheet being conveyed by the conveyance part, a temperature controller to control a temperature of the cooling member, a temperature detector to detect the temperature of the cooling member, and a control unit connected to the temperature controller and the temperature detector to control the cooling member, using the temperature controller, to a target temperature corresponding to the sheet type based on the temperature of the cooling member detected by the temperature detector. | 02-13-2014 |
20140064775 | COOLING DEVICE HAVING A TURBULENCE GENERATING UNIT - In a cooling device that includes a cooling roller that comprises a hollow tubular member and a cooling medium transport unit for transporting a cooling liquid to the inside of the cooling roller and contacts a sheet-like member to cool down the paper, a turbulence generating unit that generates turbulence in a cooling liquid is disposed near an inner wall of the outer tube. | 03-06-2014 |
20140093269 | AIR-CONDITIONING UNIT, IMAGE FORMING APPARATUS INCORPORATING SAME, AND AIR-CONDITIONING CHANNEL SWITCHING METHOD - An air-conditioning unit includes an air conditioner to control air temperature, a first channel to guide air supplied from the air conditioner to a conditioning target, a heat exchange channel through which the air supplied from the air conditioner exchanges heat with the conditioning target, a second channel to guide air from the conditioning target either outside the air-conditioning unit or to the air conditioner, and a channel switching unit to cause the air conditioner to suck in either external air or the air guided from the conditioning target. | 04-03-2014 |
20140186080 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A recording-material cooling device includes a first cooling member, a second cooling member, an approach-and-separation member, and a positioning member. The first cooling member is disposed at a first face side of a recording material to absorb heat of the recording material. The second cooling member is disposed at a second face side of the recording material to absorb heat of the recording material. The approach-and-separation member brings the first cooling member and the second cooling member close to and away from each other. The positioning member positions the first cooling member and the second cooling member relatively brought close to each other by the approach-and-separation member. | 07-03-2014 |
20140186081 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A recording-material cooling device includes a first belt, a first cooling unit, and a second cooling unit. The first belt is disposed at a first face side of a recording material. The first cooling unit has a first heat absorbing surface to contact the first belt to absorb heat of the recording material. The second cooling unit has a second heat absorbing surface to directly or indirectly contact the recording material to absorb heat of the recording material. The second cooling unit is disposed at a second face side of the recording material. The first and second cooling units are offset from each other in a transport direction of the recording material. Each of the first and second surfaces has a shape in which an inner area protrudes beyond opposed ends in the transport direction. The first and second surfaces overlap each other in a direction crossing the transport direction. | 07-03-2014 |
20140219677 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A cooling device including at least two cooling members to cool a recording medium passing thereover, a coolant circulation unit to circulate a coolant, and tubing that connects the coolant circulation unit to the cooling members and through which the coolant circulates. Each of the cooling members includes a heat-absorbing surface that directly contacts the recording medium or indirectly contacts the recording medium via a thermal transmission member, an internal channel provided within each of the cooling members through which the coolant circulates, and a channel inlet and outlet formed at downstream and upstream ends of each of the cooling members in a direction of conveyance of the recording medium, respectively. One of an interval and a thermal insulator is provided between the cooling members. | 08-07-2014 |
20140233996 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A cooling device includes a cooling member to cool a recording material. The cooling member includes a cooling surface member, a heat exchanging member, and a fastening member. The cooling surface member has a cooling surface to directly or indirectly contact the recording material and absorb heat of the recording material to cool the recording material. The heat exchanging member is directly or indirectly joined to the cooling surface member to radiate heat absorbed by the cooling surface member directly or indirectly via a radiation member. The fastening member fastens the cooling surface member and the heat exchanging member to retain a joined state in which the cooling surface member and the heat exchanging member are directly or indirectly joined to each other. The cooling surface member and the heat exchanging member are separable from the joined state to a separated state without damaging the fastening member. | 08-21-2014 |
20140308058 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A recording-material cooling device is disposed downstream from a fixing device in a transport direction of a recording material. The fixing device includes a fixing member and a pressing member to fix an unfixed toner image on the recording material. The recording-material cooling device includes a first cooling unit disposed at a same side as the pressing member relative to the recording material, a second cooling unit disposed at a same side as the fixing member relative to the recording material, and a third cooling unit disposed at the same side as the pressing member relative to the recording material. The first cooling unit, the second cooling unit, and the third cooling unit are arranged in an order of the first cooling unit, the second cooling unit, and the third cooling unit from upstream to downstream in the transport direction of the recording material. | 10-16-2014 |
20140334858 | IMAGE FORMING APPARATUS - An image forming apparatus includes a cooling conveyor to cool a recording material having an image fixed by heat while sandwiching and conveying the recording material. The cooling conveyor includes a conveyance belt, a cooling member, and a cooling unit. The conveyance belt sandwiches and conveys the recording material. The cooling member absorbs heat of the recording material via the conveyance belt. The cooling unit maintains the cooling member at low temperature. The cooling conveyor performs control of stopping the cooling unit in a standby state of the image forming apparatus, activating the cooling unit and performing a preliminary cooling operation to decrease temperature of the cooling member after a shift from the standby state to image forming operation, and then bringing the recording material into contact with the conveyance belt. | 11-13-2014 |
20150071677 | LIQUID COOLING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A liquid type cooling device, which is incorporated in an image forming apparatus, includes a heat receiving part including a heat receiving unit to transport heat from a cooling target to a coolant and a heat releasing part including a heat releasing unit, a cooling fan, and an air flowing space. The heat releasing unit has a coolant flowing path and an air flowing path through which air passes and conducts heat exchange with the coolant. The air flowing space has an air inlet port and an air outlet port. When the air flowing path has an upstream region and a downstream region along a coolant flowing direction of the coolant flowing path, air at high temperature flows into the upstream region of the air flowing path. Alternatively, the heat releasing unit may have a coolant inlet port, a coolant outlet port, and the air flowing path. | 03-12-2015 |
20150160610 | RECORDING MEDIUM CONVEYOR AND IMAGE FORMING APPARATUS INCORPORATING SAME - A recording medium conveyor, which is incorporated in an image forming apparatus, includes a first conveyor and a second conveyor disposed facing the first conveyor. The first conveyor and the second conveyor sandwich a recording medium therebetween and convey the recording medium to a downstream side of an image forming apparatus in a recording medium conveying direction. At least one of the first conveyor and the second conveyor includes a belt having an inner circumferential face, and a cooler to cool the recording medium. The cooler has a heat absorbing face that contacts the inner circumferential face of the belt and that has an air flow path formed thereon to expose the inner circumferential face of the belt to open air. | 06-11-2015 |
20150227111 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A recording-material cooling device includes a first cooling member, a second cooling member, an approach-and-separation member, and a positioning member. The first cooling member is disposed at a first face side of a recording material to absorb heat of the recording material. The second cooling member is disposed at a second face side of the recording material to absorb heat of the recording material. The approach-and-separation member brings the first cooling member and the second cooling member close to and away from each other. The positioning member positions the first cooling member and the second cooling member relatively brought close to each other by the approach-and-separation member. | 08-13-2015 |
20150277304 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A cooling device including at least two cooling members to cool a recording medium passing thereover, a coolant circulation unit to circulate a coolant, and tubing that connects the coolant circulation unit to the cooling members and through which the coolant circulates. Each of the cooling members includes a heat-absorbing surface that directly contacts the recording medium or indirectly contacts the recording medium via a thermal transmission member, an internal channel provided within each of the cooling members through which the coolant circulates, and a channel inlet and outlet formed at downstream and upstream ends of each of the cooling members in a direction of conveyance of the recording medium, respectively. One of an interval and a thermal insulator is provided between the cooling members. | 10-01-2015 |
Patent application number | Description | Published |
20110216352 | IMAGE FORMATION CONTROL APPARATUS, IMAGE FORMATION APPARATUS, IMAGE FORMATION SYSTEM, COMPUTER READABLE MEDIUM, AND TANDEM PRINTING SYSTEM - An image formation control apparatus includes a management unit, a communication unit, and a control unit. The management unit manages first image formation processing on a first face of a planar recording medium. The first image formation processing is performed by a first image formation apparatus. The communication unit communicates with a second image forming apparatus configured to perform image formation on a second face of the planar recording medium. The control unit performs control of transportation of the planar recording medium from the first image formation apparatus to the second image formation apparatus or from the second image formation apparatus. A first amount of time to start image formation from receiving an image formation instruction in the first image formation apparatus is smaller that a second amount of time to start image formation from receiving an image formation instruction in the second image formation apparatus. | 09-08-2011 |
20110220978 | SEMICONDUCTOR DEVICE - In an embodiment, provided is a semiconductor device in which a normally-on type FET; a capacitor having one electrode electrically connected to a gate of the FET and the other electrode electrically connected to an input terminal; and a diode having an anode electrode electrically connected to the gate of the FET and a cathode electrode electrically connected to a source of the FET are formed on the same chip on which the FET is formed. Also, the capacitor may have a structure in which an insulation film such as a dielectric substance is formed on a gate drawn electrode of the FET, and a metallic layer is formed on the insulation layer. | 09-15-2011 |
20110221480 | DRIVE CIRCUIT - A resonant gate drive circuits for a voltage controlled transistor according to the embodiments are characterized by connecting a resonant inductor and a resistor to a gate of the voltage controlled transistor or a gate of the normally-on voltage controlled transistor or a voltage control terminal of a pseudo normally-off element, in series, and providing the drive circuit with two complementary switching elements connected in series. | 09-15-2011 |
20120200339 | CONSTANT-VOLTAGE CIRCUIT AND SEMICONDUCTOR DEVICE THEREOF - A reference-voltage generating circuit of an embodiment includes a first FET; a second FET; a first resistor in which one end is connected to a power supply while the other end is connected to a drain of the first FET; and a second resistor that is connected between the drain and a gate of the first FET, wherein a gate and a source of the second FET are connected, a drain of the second FET is connected to the gate of the first FET, the drain of the first FET outputs a reference voltage, and the source of the first FET and the source of the second FET are connected to a ground or another circuit. | 08-09-2012 |
20120228632 | SEMICONDUCTOR DEVICE - A semiconductor device of an embodiment includes: a semiconductor substrate; a field-effect transistor formed on the semiconductor substrate; and a diode forming area which is adjacent to a forming area of the field-effect transistor, wherein the diode forming area is insulated from the forming area of the transistor on the semiconductor substrate, and includes a first diode electrode in which a gate electrode of the field-effect transistor is placed in Schottky barrier junction and/or ohmic contact with the semiconductor substrate through a bus wiring or a pad; and a second diode electrode in which a source electrode of the field-effect transistor is placed in ohmic contact and/or Schottky barrier junction with the semiconductor substrate through a bus interconnection or a pad to form a diode between the gate electrode and the source electrode. | 09-13-2012 |
20130062611 | SEMICONDUCTOR DEVICE - A semiconductor device of an embodiment includes: a first semiconductor layer made of Al | 03-14-2013 |
20140284655 | SEMICONDUCTOR DEVICE - A semiconductor device of an embodiment is provided with a normally-off transistor having a first source connected to a source terminal, a first drain, and a first gate connected to a gate terminal and a normally-on transistor having a second source connected to the first drain, a second drain connected to a drain terminal, and a second gate connected to the source terminal. A withstand voltage between the first source and the first drain when the normally-off transistor is turned off is lower than a withstand voltage between the second source and the second gate of the normally-on transistor. | 09-25-2014 |
20140284662 | SEMICONDUCTOR DEVICE - A semiconductor device of an embodiment includes a normally-off transistor having a first source electrically connected to a source terminal, a first drain, and a first gate electrically connected to a gate terminal, a normally-on transistor having a second source electrically connected to the first drain, a second drain electrically connected to a drain terminal, and a second gate, a capacitor having one end electrically connected to the gate terminal and the other end electrically connected to the second gate; and a first diode having a first anode electrically connected to the capacitor and the second gate and a first cathode electrically connected to the first source. | 09-25-2014 |
20140374801 | SEMICONDUCTOR DEVICE - A semiconductor device according to one embodiment is provided with a first metal substrate, a second metal substrate separated from the first metal substrate, a normally-off transistor of a silicon semiconductor provided on the first metal substrate, and a normally-on transistor of a nitride semiconductor provided on the second metal substrate. | 12-25-2014 |
20140375372 | SEMICONDUCTOR DEVICE - A semiconductor device according to an embodiment is provided with a normally-off transistor which includes a first source connected to a source terminal, a first drain, and a first gate connected to a gate terminal, and a normally-on transistor which includes a second source connected to the first drain, a second drain connected to a drain terminal, and a second gate connected to the gate terminal. | 12-25-2014 |
20150046663 | INFORMATION PROCESSING APPARATUS AND RECORDING MEDIUM - An information processing apparatus includes a first controller, a second controller, a non-volatile storage medium, and a volatile storage medium. The non-volatile storage medium is able to store data under control by the first controller, and unable to store data under control by the second controller. The volatile storage medium is able to store data under control by the second controller such that the data are readable therefrom under control by the first controller. The second controller includes a first storage unit that stores history data of operation performed under control by the second controller in the volatile storage medium. The first controller includes a reading unit and a second storage unit. The reading unit reads the history data stored in the volatile storage medium by the first storage unit. The second storage unit stores the history data read by the reading unit in the non-volatile storage medium. | 02-12-2015 |
20150255453 | SEMICONDUCTOR DEVICE - A semiconductor device according to one embodiment is provided with a first metal substrate, a second metal substrate separated from the first metal substrate, a normally-off transistor of a silicon semiconductor provided on the first metal substrate, and a normally-on transistor of a nitride semiconductor provided on the second metal substrate. | 09-10-2015 |
Patent application number | Description | Published |
20090207315 | IMAGE SIGNAL PROCESSING APPARATUS, IMAGE SIGNAL PROCESSING METHOD, AND PROGRAM - An image signal processing apparatus detects a motion vector between two temporally successive frames, and includes a detection device, a calculation device, and an arithmetic device. The detection device is configured to detect the motion vector in pixel blocks between the two frames, and output an evaluation value, which represents the degree of correspondence between the two frames in the pixel blocks provided in the two frames, and which is calculated in the process of detecting the motion vector. The calculation device is configured to calculate an activity value, which represents the degree of variation in pixel value in the frame, on the basis of the direction of the detected motion vector. The arithmetic device is configured to perform an arithmetic operation to obtain an accuracy value, which represents the degree of reliability of the detected motion vector, on the basis of the evaluation value and the activity value. | 08-20-2009 |
20090238408 | IMAGE-SIGNAL PROCESSOR, IMAGE-SIGNAL PROCESSING METHOD, AND PROGRAM - An image-signal processing apparatus configured to track an object moving in an image includes a setting unit configured to set an eliminating area in an image constituting a moving image; a motion-vector detecting unit configured to detect an object in the image constituting a moving image and detect a motion vector corresponding to the object using an area excluding the eliminating area in the image; and an estimating unit configured to estimate a position to which the object moves on the basis of the detected motion vector. | 09-24-2009 |
20130251050 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device including a decoding section configured to decode an image from an encoded stream, a horizontal filtering section configured to apply a deblocking filter to a vertical block boundary within an image to be decoded by the decoding section, a vertical filtering section configured to apply a deblocking filter to a horizontal block boundary within an image to be decoded by the decoding section, and a control section configured to cause the horizontal filtering section to filter in parallel a plurality of vertical block boundaries included in a processing unit containing a plurality of coding units and cause the vertical filtering section to filter in parallel a plurality of horizontal block boundaries included in the processing unit. | 09-26-2013 |
20130259142 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device including a decoding section configured to decode an image from an encoded stream, a determination section configured to perform determination processes of determining whether to apply a deblocking filter to neighboring blocks neighboring across a block boundary within an image to be decoded by the decoding section, a filtering section configured to apply a deblocking filter to neighboring blocks to which the determination section has determined to apply a deblocking filter, and a control section configured to allow the determination section to perform the determination processes for a vertical block boundary and a horizontal block boundary using pixels of the neighboring blocks of a reconstruct image as reference pixels. | 10-03-2013 |
20130301743 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - Provided is an image processing device including a decoding section configured to decode an image from an encoded stream, a horizontal filtering section configured to apply a deblocking filter to a vertical block boundary within an image to be decoded by the decoding section, a vertical filtering section configured to apply a deblocking filter to a horizontal block boundary within an image to be decoded by the decoding section, and a control section configured to cause the horizontal filtering section to filter in parallel a plurality of vertical block boundaries included in a processing unit containing a plurality of coding units and cause the vertical filtering section to filter in parallel a plurality of horizontal block boundaries included in the processing unit. | 11-14-2013 |
20140086501 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - A filtering operation unit ( | 03-27-2014 |
20140112396 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - The present technology relates to an image processing device and an image processing method which allow a deblocking filtering process to apply filtering appropriately. A pixel (p0 | 04-24-2014 |
20150304657 | IMAGE PROCESSING DEVICE AND METHOD - An image processing device and method capable of suppressing block noise. A β LUT_input calculation unit and a clipping unit calculate β LUT_input that is a value input to an existing β generation unit and an extended β generation unit. When the value of β LUT_input qp from the clipping unit is equal to or less than 51, the existing β generation unit calculates β using the LUT defined in the HEVC method and supplies the calculated β to a filtering determination unit. When the value of β LUT_input qp from the clipping unit is larger than 51, the extended β generation unit calculates extended β and supplies the calculated β to the filtering determination unit. The device can be applied to an image processing device, for example. | 10-22-2015 |
Patent application number | Description | Published |
20110222918 | DEVELOPING DEVICE, ASSEMBLY BODY, AND IMAGE FORMING APPARATUS - A developing device includes: a first-developer-holding-member facing a surface of a rotating latent image carrier, it rotating such that a moving direction thereof is opposite to that of the carrier at a portion where they face; a second-developer-holding-member provided at a downstream-side of the first-developer-holding-member in a direction in which the carrier rotates, and facing the surface of the carrier, it rotating such that a moving direction thereof is the same as that of the carrier at a portion where they face; a ratio of circumferential speeds of the first-developer-holding-member and the second-developer-holding-member being variable; a splitting member that splits a developer for the first-developer-holding-member and the second-developer-holding-member by hitting against the developer located between the first-developer-holding-member and the second-developer-holding-member; a moving unit that moves the splitting member; and a control unit that controls the moving unit to move the splitting member to vary split ratio of the developer. | 09-15-2011 |
20110229215 | DEVELOPING DEVICE, ASSEMBLY, AND IMAGE FORMING APPARATUS - A developing device includes a first developing member that rotates in a manner such that a moving direction of a portion opposing the image carrier is opposite a moving direction of the image carrier, a second developing member provided on a downstream side of the first developing member in a rotating direction of the image carrier and rotates in a manner such that a moving direction of a portion opposing the image carrier is the same as the moving direction of the image carrier, a distributing member supported movably relative to a proximal portion where the first developing member is closest to the second developing member so as to distribute developer to the first and second developing members by contact with the developer, and an a biasing member that biases the distributing member upstream in the rotating direction of the first developing member. | 09-22-2011 |
20120093543 | ELECTROSTATIC LATENT IMAGE DEVELOPER, METHOD FOR FORMING IMAGE, AND IMAGE FORMING APPARATUS - An electrostatic latent image developer contains a toner having a volume-average particle diameter of about 2.0 μm to about 6.5 μm, and a carrier whose average magnetization per carrier particle at an applied magnetic field of 1 kilooersted is about 3.0×10 | 04-19-2012 |
20140356008 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a first image forming section that uses a toner containing flat pigment particles; a second image forming section that uses a toner not containing the flat pigment particles; and a fixing section that fixes an image formed on a recording medium to the recording medium using heat. The quantity of heat that the fixing section applies to the image is increased in the case where the image formed on the recording medium using the toner containing the flat pigment particles is to be fixed compared to a case where the image formed on the recording medium using the toner not containing the flat pigment particles is to be fixed. | 12-04-2014 |
20140356035 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a first image forming section that forms a first image using a first toner containing flat pigment particles; a second image forming section that forms a second image using a second toner not containing the flat pigment particles; and a fixing section that fixes the first image to a recording medium with a quantity of heat that is smaller than that for a case where the fixing section fixes a third image not including the first image but including the second image. | 12-04-2014 |
20150205229 | IMAGE FORMING APPARATUS - An image forming apparatus includes an endless transfer member, a first transfer section, a second transfer section, and a medium transfer section. An image is transferred to the transfer member during circulation of the transfer member. The first transfer section forms an image using a toner containing flat metallic pigment particles, and transfers the formed image to the transfer member through a transfer current. The second transfer section forms an image using a toner not containing flat metallic pigment particles, and transfers the formed image to the transfer member through a transfer current. The second transfer section is disposed upstream of the first transfer section in a circulation direction of the transfer member. The medium transfer section transfers the image transferred to the transfer member to a recording medium through a transfer current. The transfer current for the first transfer section is smaller than that for the second transfer section. | 07-23-2015 |
20150212458 | IMAGE FORMING APPARATUS - An image forming apparatus includes a first image forming portion that forms a toner image on a latent image carrier with a toner containing a flat pigment; and a second image forming portion that forms a toner image on a latent image carrier with a toner not containing the flat pigment. The toner images formed by these image forming portions are transferred to a toner image carrier or a recording medium. The average charge amount per particle of the toner containing the flat pigment is smaller than that of the toner not containing the flat pigment. A transfer width is larger than the particle diameter of the toner containing the flat pigment. A transfer current flowing between the latent image carrier of the second image forming portion and the toner image carrier or the recording medium is higher than or equal to a value required to form an electric field. | 07-30-2015 |
20150227076 | IMAGE FORMING APPARATUS - An image forming apparatus includes a first image forming portion that uses toner containing flat pigment; a second image forming portion that uses toner not containing the flat pigment; and a toner image carrier that carries a first toner image that is formed in the first image forming portion and a second toner image that is formed in the second image forming portion. The image forming apparatus has a mode in which a relationship Am08-13-2015 | |
Patent application number | Description | Published |
20130250229 | BIREFRINGENCE PATTERN TRANSFER FOIL - According to the present invention, a birefringence pattern transfer foil, comprising at least one patterned optically anisotropic layer having two or more regions of differing birefringence and at least one adhesive layer on a temporary support, characterized in that a blocking prevention means is provided to the adhesive layer and/or characterized in that the retardation of the adhesive layer is 40 nm or less is provided. The birefringence pattern transfer foil of the present invention has excellent applicability and handling, and can be used on a variety of subjects. | 09-26-2013 |
20130308085 | BIREFRINGENT TRANSFER FOIL - According to the present invention, provided is a birefringent transfer foil, comprising a temporary support, an orientation layer, a birefringent layer (preferably a patterned optically anisotropic layer) formed from a composition comprising a liquid-crystal compound having at least one reactive group, said orientation layer being in contact with the temporary support or a releasing layer, wherein the releasing layer being in contact with the temporary support, and said orientation layer being a layer comprising a cellulose alkyl ether or a hydroxyalkyl derivative of cellulose alkyl ether. In the birefringent transfer foil of the present invention, the above orientation layer also functions as a protective layer and a detachment layer, enabling to reduce the manufacturing cost. | 11-21-2013 |
20150017423 | METHOD FOR PRODUCING LAMINATE FILM CONTAINING LIQUID CRYSTALLINE COMPOUND HAVING HIGH CRYSTALLINITY - The present invention provides a method for producing a laminate film comprising forming a layer by curing a liquid crystalline composition containing a liquid crystalline compound that has a polymerizable group and is solid at 25° C. and forming, on the layer, a polymer layer from a composition containing a polymer, the liquid crystalline compound migrating into the polymer layer after forming the polymer layer until the compound becomes 0.1% by mass to 30% by mass relative to the solid content mass of the polymer layer, wherein the method includes selecting the liquid crystalline compound and the polymer from combinations having a heat of crystallization of a mixture obtained by mixing the two at a mass ratio of 9:10, of 0.75 J/g or less. White cloudiness along with crystallization of the liquid crystalline compound is not generated easily in the method of the present invention. | 01-15-2015 |
20150029456 | LAMINATE HAVING OPTICAL ANISOTROPY - Provided is an optically anisotropic body having good coatability onto a laminate, in which the laminate includes an optically anisotropic layer formed of a composition including a liquid crystal compound by direct coating, and an isotropic resin layer formed on the optically anisotropic layer by direct coating, and has good coatability onto the isotropic resin layer. The laminate includes an optically anisotropic layer and an isotropic resin layer formed of a resin composition directly coated on the optically anisotropic layer, in which the optically anisotropic layer is a layer formed by curing a liquid crystal composition including a liquid crystal compound containing a polymerizable group; the isotropic resin layer is the outermost layer of the laminate; and the surface energy on the side of the isotropic resin layer of the laminate is 34.0 mN/m or more. | 01-29-2015 |
Patent application number | Description | Published |
20090185111 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device comprising at least: a backlight; a polarizer; a first optically anisotropic layer with a retardation of 210 to 300 nm at a wavelength of 550 nm; a second optically anisotropic layer with a retardation of 50 to 140 nm at a wavelength of 550 nm; a third optically anisotropic layer with negative optical anisotropy; a liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates; a fourth optically anisotropic layer with a retardation of 50 to 140 nm at a wavelength of 550 nm; a first optically anisotropic layer with a retardation of 210 to 300 nm at a wavelength of 550 nm; and a polarizer, arranged in piles in this order from the backlight, the second optically anisotropic layer comprising at least a liquid crystal film with a fixed nematic hybrid liquid crystal orientation structure. The liquid crystal display device provides bright images and is high in contrast and less in viewing angle dependency. | 07-23-2009 |
20090284689 | TRANSMISSIVE LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a transmissive liquid crystal display device which is less in variation in displaying characteristics, bright in displaying image, high in contrast and less in viewing angle dependency. The liquid crystal display comprises at least a specific first optically anisotropic layer with a fixed nematic hybrid orientation structure and a specific second optically anisotropic layer. | 11-19-2009 |
20100026936 | Elliptical Polarizer and Vertical Alignment Type Liquid Crystal Display Device Comprising the Same - An elliptical polarizer with excellent viewing angle characteristics is provided which comprises at least a first polarizer, a first optical anisotropic layer, a second optical anisotropic layer, and a third optical anisotropic layer, laminated in this order, wherein the first optical anisotropic layer satisfies [1] 50≦Re1≦500, the second optical anisotropic layer satisfies [2] 0≦Re2≦20 and [3] −500≦Rth2≦−30, and the third optical anisotropic layer satisfies [4] 100≦Re 3≦180 wherein Re and Rth indicate the retardation values in the plane and thickness direction, respectively, of each of the optical anisotropic layers. | 02-04-2010 |
20100085522 | TRANSMISSIVE LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a transparent liquid crystal display device which is less in display characteristics and viewing angle dependency and can provide bright images and high contrasts. The transparent liquid crystal display device comprises at least: a backlight; a polarizer; a second optical anisotropic layer with a retardation of 50 to 180 nm at a wavelength of 550 nm; a first optical anisotropic layer with a retardation of 20 to 140 nm at a wavelength of 550 nm; a homogeneously aligned liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates; a third optical anisotropic layer with a retardation of 50 to 200 nm at a wavelength of 550 nm; and a polarizer, arranged in piles in this order from the backlight, wherein the first optical anisotropic layer comprising at least a liquid crystal film with a fixed nematic hybrid liquid crystal alignment structure. | 04-08-2010 |
20100182544 | TRANSMISSIVE LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a transmissive liquid crystal display device which is less in display characteristics fluctuations, bright in display images, high in contrast and less in viewing angle dependency and comprises a backlight, a polarizer, a second optically anisotropic layer, a first optically anisotropic layer, a homogeneously aligned liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates, and a polarizer, arranged in piles in this order from the backlight, wherein a liquid crystal film forming the first optically anisotropic layer, a liquid crystal film forming the second optically anisotropic layer and the liquid crystal cell have a predetermined relationship in the wavelength dispersion of birefringence, the first optically anisotropic layer, the second optically anisotropic layer and the liquid crystal cell upon application of an electric voltage for black image display, have a predetermined relationship in retardation, and the first optically anisotropic layer comprises a liquid crystal film with a fixed nematic hybrid orientation. | 07-22-2010 |
20110063547 | ELLIPTICAL POLARIZER AND VERTICAL ALIGNMENT TYPE LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - The present invention provides an elliptical polarizer with excellent viewing angle characteristics. The elliptical polarizer comprises at least a first polarizer, a first optically anisotropic layer, a second optically anisotropic layer, and a third optically anisotropic layer, laminated in this order, the first optically anisotropic layer satisfying [1] 50≦Re | 03-17-2011 |
20110116004 | ELLIPTICAL POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE - An elliptical polarizer is provided having excellent viewing angle improving effects. The elliptical polarizer includes a polarizer, a first optical anisotropic layer, and a second optical anisotropic layer, laminated in this order. The first optical anisotropic layer satisfies the requirements of 0.8≦NZ1≦1.6 and 120≦Re1≦250 and is disposed so that the slow axis thereof is orthogonal to the absorption axis of the polarizer. The second optical anisotropic layer is a liquid crystal film having a retardation value in the plane of 30 to 150 nm with respect to a 550 nm wavelength light and fixed in a nematic hybrid alignment wherein the average tilt angle of the liquid crystal molecules of a liquid crystalline polymer exhibiting a positive optical uniaxiality, and is disposed so that the aligned direction thereof is parallel to the absorption axis of the first polarizer. The elliptical polarizer is used in a TN type liquid crystal display device so that the second optical anisotropic layer is disposed on the liquid crystal cell side. | 05-19-2011 |
Patent application number | Description | Published |
20080198402 | Communication system, image formation apparatus, controller, computer readable medium and data signal - An image formation apparatus includes a reception section, a function section, an image formation section and a power output device. The reception section is configured to be connected to a communication line over which image information and power are transmitted. The reception section receives the image information and the power transmitted over the communication line. The function section receives supply of the power received by the reception section, to function. The image formation section forms an image on a medium based on the image information received by the reception section or the function section. The power output device receives power supply from a commercial power supply. The power output device outputs power of a predetermined voltage to the image formation section. | 08-21-2008 |
20110058822 | IMAGE FORMING SYSTEM, IMAGE FORMING APPARATUS, AND COMPUTER READABLE MEDIUM - An image forming system includes image forming apparatuses that communicate with each other via a network. Each of the image forming apparatuses includes a network computer, a power saving controller for applying a power saving control in a first power saving mode in which a supply of power to a printing function portion that forms an image on a sheet is stopped and a power is fed to the network controller when the apparatus acts as a main apparatus, and applying a power saving control in a second power saving mode in which a supply of power to the printing function portion and the network controller is stopped when the apparatus acts as subordinate apparatus, and a main apparatus deciding unit for deciding the image forming apparatus out of the plurality of image forming apparatuses based on a calculation of power consumption of the plurality of image forming apparatuses. | 03-10-2011 |
20120327440 | PROGRAM EXECUTING APPARATUS, IMAGE PROCESSING APPARATUS AND NON-TRANSITORY COMPUTER READABLE MEDIUM - A program executing apparatus, includes : a nonvolatile memory that stores a program for activating an equipment and a variable used in the program and sustains the stored program and the variable even though power is not supplied, the program and the variable being able to be read out and written into the nonvolatile memory; and an executing unit that transmits the program and the variable to the nonvolatile memory when the activation of the equipment is instructed at an initial status where the program and the variable are not stored in the nonvolatile memory, and successively executes the program using the variable stored in the nonvolatile memory, and, when the activation of the equipment is re-instructed, executes the program using the variable stored in the nonvolatile memory. | 12-27-2012 |
20120331236 | DATA PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A data processing apparatus includes an operation unit, a writable and readable volatile register, a writable and readable nonvolatile memory, first and second writing units and a write-back unit. The operation unit performs an arithmetic operation and a logical operation. The writable and readable volatile register stores data used in the operations performed by the operation unit. The writable and readable nonvolatile memory stores the data in parallel with the volatile register. The data stored in the nonvolatile memory is the data stored in the volatile register. The first writing unit writes the data in the volatile register. The second writing unit writes the data in the nonvolatile memory in parallel with the first writing unit every time the data is written in the volatile register. The write-back unit writes back the data stored in the nonvolatile memory to the volatile register when a power supply is turned on. | 12-27-2012 |
20130229681 | INFORMATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS, NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM, AND INFORMATION PROCESSING METHOD - An information processing apparatus includes an execution unit that executes a program, a main storage unit that includes a first non-volatile memory which is readable and writable and is capable of retaining stored information even when no power is supplied and is provided with a first storage area which stores the program executed by the execution unit and a second storage area which stores data generated by the execution of the program by the execution unit, a connection unit that connects the execution unit and the main storage unit, and a condition storage unit that includes a second non-volatile memory which is readable and writable and is capable of retaining stored information even when no power is supplied and stores conditions which are set by the connection unit to transmit and receive the program and the data between the execution unit and the main storage unit. | 09-05-2013 |
20130235419 | IMAGE FORMING APPARATUS AND INFORMATION PROCESSING APPARATUS - An image forming apparatus includes an image forming unit that forms an image and a controller that controls the image forming unit, wherein the controller includes a first execution unit that executes a first program, a first main memory that includes a first non-volatile memory, is connected to the first execution unit, and stores a first start program, a first transmission and reception controller that is connected to the first bus, controls the transmission and reception of data, and includes a volatile memory, a second execution unit that is connected to the first execution unit and executes a second program, a second main memory that includes a second non-volatile memory, is connected to the second execution unit, and stores a second start program, and a second transmission and reception controller that is connected to the second bus, controls the transmission and reception of data, and includes a third non-volatile memory. | 09-12-2013 |
Patent application number | Description | Published |
20100104967 | ELECTROSTATIC-IMAGE-DEVELOPING TONER AND PREPARATION PROCESS THEREOF, ELECTROSTATIC IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS - An electrostatic-image-developing toner includes: a binder resin; and a yellow pigment in an amount of from about 5 to about 50 ppm. | 04-29-2010 |
20100183966 | TONER SET FOR ELECTROSTATIC IMAGE DEVELOPMENT, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS - A toner set for electrostatic image development, includes: at least one kind of a colored toner that contains a coloring agent; and a transparent toner that does not substantially contain a coloring agent, wherein a proportion of particles having a shape factor of 0.94 or less in mother particles of the transparent toner is about 5% by number or less based on particles having a particle diameter of 7.5 to 15 μm, and a reflectance of the mother particles of the transparent toner is about 90% or more for light at a wavelength of 700 nm. | 07-22-2010 |
20100216066 | TRANSPARENT TONER FOR ELECTROSTATIC LATENT IMAGE DEVELOPING, ELECTROSTATIC LATENT IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - A transparent toner for electrostatic latent image developing, including a binder resin and a release agent, the difference between Tm and Tc being from about 30° C. to about 50° C., wherein Tm is an endothermic peak temperature of the release agent determined in a temperature rising process and Tc is an exothermic peak temperature of the release agent determined in a temperature decreasing process, in a measurement by a differential scanning calorimeter (DSC) according an ASTM method, and the toner having a weight average molecular weight of from about 35,000 to about 70,000. | 08-26-2010 |
20110159422 | WHITE TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT, ELECTROSTATIC IMAGE DEVELOPING AGENT, TONER CARTRIDGE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - The present invention provides a white toner for electrostatic image development, including a binder resin, a first white pigment and a second white pigment, the specific gravity D | 06-30-2011 |
20110183247 | WHITE TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPEMENT, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A white toner for electrostatic charge image development is disclosed. The white toner for electrostatic charge image development includes a binder resin, a first white pigment, a second white pigment, and a release agent, a specific gravity D | 07-28-2011 |
20110229813 | ELECTROSTATIC IMAGE-DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE-FORMING METHOD, AND IMAGE-FORMING APPARATUS - An electrostatic image-developing toner comprising a binder resin, wherein the content of all the chlorine-substituted benzene derivatives in the electrostatic image-developing toner is about 0.01 ppb or more and about 10 ppb or less. | 09-22-2011 |
20120077119 | ORANGE TONER AND TONER CARTRIDGE FOR STORING THE SAME, ORANGE DEVELOPER AND PROCESS CARTRIDGE FOR STORING THE SAME, COLOR TONER SET, AND IMAGE FORMING APPARATUS - An orange toner including a binder resin containing a polyester resin having a dodecenyl succinic acid structure as a constituent unit; and C.I. Pigment Orange 38 in a blending amount of from 5% by mass to 18% by mass relative to the whole mass of the toner and a toner storage container for storing the same, an orange developer and a process cartridge for storing the same, a color toner set, and an image forming apparatus. | 03-29-2012 |
20120148948 | ELECTROSTATIC IMAGE DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS - An electrostatic image developing toner contains a binder resin and at least two different kinds of white pigments, wherein from about 10% by weight to about 30% by weight of the at least two kinds of white pigments is porous titanium oxide having a volume average particle diameter of from about 0.01 μm to about 1 μm, a particle size distribution (volume average particle size distribution index GSDv) of from 1.1 to 1.3 and a BET specific surface area of from about 250 m | 06-14-2012 |
20120183894 | MAGENTA TONER, TONER SET, MAGENTA DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A magenta toner includes a binder resin containing a polyester resin having a dodecenylsuccinic acid structure as a constituent unit, and a solid solution of C.I. Pigment Violet 19 and C.I. Pigment Red 122, the magenta toner having an amount of the solid solution of from 2% by mass to 30% by mass based on the total mass of the toner. | 07-19-2012 |
20130011774 | ELECTROSTATIC LATENT IMAGE DEVELOPING TONER, DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS - An electrostatic latent image developing toner includes: a release agent; a pigment; and a binder resin. The content of the pigment is from about 10% by weight to about 50% by weight, the glass transition temperature (Tg) of the toner is in the range of from about −60° C. to about 20° C., and the Young's modulus at 20° C. is in the range of from about 1×10 | 01-10-2013 |
20130164667 | MAGENTA TONER FOR ELECTROPHOTOGRAPHY, DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - A magenta toner for electrophotography, including: toner particles containing, a polyester resin, a coloring agent containing a solid solution of C.I. Pigment Violet 19 and C.I. Pigment Red 122, a release agent, and inorganic particles; and an external additive, wherein an average particle diameter of the inorganic particle is 0.75 times or more the average particle diameter of the coloring agent. | 06-27-2013 |
20130252156 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - An electrostatic charge image developing toner includes toner particles that contain a binder resin having a carboxyl group, in which the carboxyl group in the binder resin present on the surfaces of the toner particles forms an alkaline earth metal salt, and an amount of the alkaline earth metal which is detected through ion chromatography of the toner particles is in a range of from 1.00×10 | 09-26-2013 |
20140106273 | POSITIVELY CHARGEABLE TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS - There is provided a positively chargeable toner including toner mother particles containing a binder resin having an ethylenically unsaturated bond, wherein the amine value of a component extracted with a water phase by the addition of ion exchanged water after mixing the toner with methyl ethyl ketone is from 600 to 1,250 and the weight average molecular weight of the component extracted with the water phase is from 1,000 to 200,000. | 04-17-2014 |