Patent application number | Description | Published |
20110082272 | METHOD FOR PURIFYING FLUORINATED COMPOUND - To provide a method for purifying a fluorinated carboxylic acid having an etheric oxygen atom and its derivative, with small decomposition and inclusion of impurities. | 04-07-2011 |
20110319676 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The object is to provide a process whereby it is possible to produce 2,3,3,3-tetrafluoropropene at a high conversion ratio constantly for a long period of time. | 12-29-2011 |
20110319677 | Process for Producing 2, 3, 3, 3-Tetrafluoropropene - The object is to provide a process for producing highly pure 2,3,3,3-tetrafluoropropene, whereby formation of 3,3,3-trifluoropropene is suppressed. | 12-29-2011 |
20110319678 | PROCESS FOR PRODUCING 1,1-DICHLORO-2,3,3,3-TETRAFLUOROPROPENE AND 2,3,3,3-TETRAFLUOROPROPENE - To provide a process to produce 1,1-dichloro-2,3,3,3-tetrafluoropropene (CFO-1214ya) simply and economically without requiring purification of 1,1-dichloro-2,2,3,3,3-pentafluoropropane (HCFC-225ca) from the raw material component obtained as a mixture of isomers, i.e. dichloropentafluoropropane (HCFC-225) including HCFC-225ca and at the same time to produce simply and economically 2,3,3,3-tetrafluoropropene (HFO-1234yf) from 1-chloro-2,3,3,3-tetrafluoropropane (HCFC-244eb). | 12-29-2011 |
20110319679 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The object is to provide a process whereby it is possible to produce 2,3,3,3-tetrafluoropropene at a high conversion ratio constantly for a long period of time. | 12-29-2011 |
20110319680 | PROCESS FOR PRODUCING 2, 3, 3, 3-TETRAFLUOROPROPENE - In the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf), formation of HFC-254eb as an excessively reduced product is suppressed. | 12-29-2011 |
20110319681 | PROCESS FOR PRODUCING 2,3,3,3-TETRAFLUOROPROPENE - The object is to provide a process for producing highly pure 2,3,3,3-tetrafluoropropene, whereby formation of 3,3,3-trifluoropropene as a by-product is suppressed. | 12-29-2011 |
20140305161 | PURIFYING METHOD, PURIFYING APPARATUS, AND MANUFACTURING METHOD OF 2,3,3,3-TETRAFLUOROPROPENE - There is provided a method and an apparatus for efficiently obtaining 2,3,3,3-tetrafluoropropene with low contents of both organic impurities and water. The method for continuously purifying crude 2,3,3,3-tetrafluoropropene containing water and one or more organic impurities, the method including using an apparatus having a distillation column with X stages (3≦X, the stage closest to a column top is the first stage) and a unit for cooling and condensing a distillate; supplying the crude 2,3,3,3-tetrafluoropropene to an m-th stage (n+1≦m≦X, 2≦n≦X−1) of the distillation column, recirculating at least part of the distillate cooled and condensed in the unit for cooling and condensing to an h-th stage (1≦h≦n−1) of the distillation column; and taking out a liquid phase part of an n-th stage of the distillation column to obtain a purified product of 2,3,3,3-tetrafluoropropene. | 10-16-2014 |
Patent application number | Description | Published |
20090123172 | HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS - A heater is operable with a main power supply unit and a chargeable auxiliary power supplying unit. The heater includes a heater part having one or a plurality of heater elements to receive power from the main and auxiliary power supplying units, a detecting part to detect information related to the heater part, and a controller to vary an amount of power supplied from the auxiliary power supply unit to the heater part per unit time based on the information detected by the detecting part. | 05-14-2009 |
20090317113 | HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS - A heater is operable with a main power supply unit and a chargeable auxiliary power supplying unit. The heater includes a heater part having one or a plurality of heater elements to receive power from the main and auxiliary power supplying units, a detecting part to detect information related to the heater part, and a controller to vary an amount of power supplied from the auxiliary power supply unit to the heater part per unit time based on the information detected by the detecting part. | 12-24-2009 |
20110085815 | HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS - A heater is operable with a main power supply unit and a chargeable auxiliary power supplying unit. The heater includes a heater part having one or a plurality of heater elements to receive power from the main and auxiliary power supplying units, a detecting part to detect information related to the heater part, and a controller to vary an amount of power supplied from the auxiliary power supply unit to the heater part per unit time based on the information detected by the detecting part. | 04-14-2011 |
20120114345 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a fixing belt; a pressing rotary body disposed outside a loop formed by the fixing belt; a nip formation pad disposed inside the loop formed by the fixing belt and pressed against the pressing rotary body via the fixing belt to form a fixing nip between the pressing rotary body and the fixing belt through which a recording medium bearing a toner image is conveyed. The nip formation pad includes a protrusion disposed downstream from the fixing nip in a conveyance direction of the recording medium and protruding toward the pressing rotary body without contacting the pressing rotary body. The fixing device further includes a pressing rotary body mover to contact and move the pressing rotary body bidirectionally in the conveyance direction of the recording medium to move the fixing nip toward and away from the protrusion. | 05-10-2012 |
20120121303 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes a rotatable fixing member in a form of an endless belt; a pressing member pressing the fixing member; a contacting member in contact with the pressing member; a holding member holding the contacting member in a pressing direction of the pressing member; a heating unit heating the fixing member; and shape maintaining units maintaining a shape of the fixing member. Further, the heating unit is disposed on an upstream side of a horizontal line passing through the center of the pressing member and the holding member is disposed on a downstream side of a horizontal line passing through the arc axis of the shape maintaining units. | 05-17-2012 |
20120121304 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a rotatable, flexible fuser belt, a heater, a fuser pad, and a pressure member. The fuser belt is looped into a generally cylindrical configuration. The heater is disposed adjacent to the fuser belt to heat the fuser belt. The fuser pad is disposed inside the loop of the fuser belt, and has an outer peripheral surface thereof formed in a generally concave configuration. The pressure member is disposed opposite the fuser pad with the fuser belt interposed between the fuser pad and the pressure member. The pressure member presses in a load direction against the outer peripheral surface of the fuser pad through the fuser belt to form a fixing nip therebetween. The fuser pad includes, along the outer peripheral surface thereof, a protruding portion and an inwardly curved portion adjoining the protruding portion to face an outer circumferential surface of the pressure member. | 05-17-2012 |
20120121305 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a tubular belt holder, a rotatable, flexible fuser belt, a heater, a fuser pad, and a pressure member. The belt holder extends in an axial direction. The fuser belt is looped around the belt holder to rotate in a circumferential direction of the belt holder. The heater is disposed adjacent to the belt holder to heat the belt holder. The fuser pad is accommodated in the belt holder inside the loop of the fuser belt. The pressure member is disposed opposite the belt holder with the fuser belt interposed between the fuser pad and the pressure member. The pressure member presses in a load direction against the fuser pad through the fuser belt to form a fixing nip therebetween. The belt holder includes, along a circumferential dimension thereof, an upstream, first circumferential portion, a downstream, second circumferential portion, and a midstream, third circumferential portion. | 05-17-2012 |
20120148303 | BELT ASSEMBLY, FIXING DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a frame, a tubular belt holder, a rotatable, flexible fuser belt, a heater, a fuser pad, a pressure member, and a mounting attachment. The tubular belt holder extends in an axial direction thereof. The fuser belt is looped into a generally cylindrical configuration around the belt holder to rotate in a circumferential direction of the belt holder. The heater is disposed adjacent to the belt holder to heat the belt holder. The fuser pad is accommodated in the belt holder inside the loop of the fuser belt, and extends in the axial direction. The pressure member is disposed opposite the belt holder with the fuser belt interposed between the fuser pad and the pressure member. The mounting attachment is provided to a longitudinal end of the tubular belt holder to allow retention and detachable attachment of the belt holder end to the frame. | 06-14-2012 |
20120155935 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device, including a fixing member; a pressure member; a nip forming member; a reinforcing member; a heating member; and a flange member including a cylinder inserted in an inner circumference at an edge of the fixing member in an axial direction thereof and a flange fixed on a frame of the fixing device, wherein the cylinder of the flange member includes a notch storing the nip forming member at a part on the circumference, has an arc-shaped outer circumferential cross-section at an area corresponding to an area where the fixing member is heated by the heating member, having a predetermined radius equivalent to a radius of the fixing member, and the arc has a center located at an upstream side in a recording medium feeding direction relative to a center line of the nip forming member in the recording medium feeding direction. | 06-21-2012 |
20120155936 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a tubular belt holder, a rotatable, flexible fuser belt, a heater, a fuser pad, a pressure member, and a reinforcing member. The fuser belt is looped for rotation around the belt holder. The heater is disposed adjacent to the belt holder to heat the belt holder. The fuser pad is accommodated in the belt holder inside the loop of the fuser belt, and extends in an axial direction of the belt holder. The pressure member is disposed opposite the belt holder with the fuser belt interposed between the fuser pad and the pressure member. The reinforcing member is disposed inside the loop of the fuser belt to reinforce the fuser pad under pressure from the pressure member. The fuser pad includes an elongated base, multiple longitudinally spaced protrusions, a perforated, anti-friction cover, and a fastener. | 06-21-2012 |
20120177393 | Fixing Device And Method, And Image Forming Apparatus Incorporating Same - A fixing device includes a heater to generate heat based on soft-start control. The heater is supplied with power using different power-turn-on-duty control patterns in accordance with power requirements and an operation mode of the fixing device. | 07-12-2012 |
20120177420 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a thermal conductor disposed inside a flexible endless fixing belt formed into a loop and configured to conduct heat from a heater to the fixing belt. The thermal conductor includes a center heating portion heated by the heater and disposed at a center of the thermal conductor in a longitudinal direction thereof orthogonal to a conveyance direction of a recording medium conveyed to the fixing belt and lateral end non-heating portions disposed at lateral ends of the thermal conductor in the longitudinal direction thereof and contiguous to the center heating portion. The center heating portion having a first diameter conducts heat from the heater to the fixing belt. The lateral end non-heating portions having a second diameter smaller than the first diameter of the center heating portion minimize conduction of heat from the heater to the fixing belt. | 07-12-2012 |
20120177423 | Fixing Device And Image Forming Apparatus - According to an embodiments, a fixing device includes: an endless fixing member; a heating unit that is provided inside an inner peripheral surface of the fixing member; and a nip forming unit that comes into press-contact with a rotationally driven pressing member with the fixing member interposed therebetween to form a nip. The nip forming unit has a shape in which a center of a contact surface protrudes toward the pressing member compared to both ends. The nip forming unit has a protruding amount at a center toward the pressing member compared to both ends of the nip forming unit in no-load state is set to be less than a bent amount of the nip forming unit when the nip forming unit comes into press-contact with the pressing member with the fixing member interposed therebetween. | 07-12-2012 |
20120224878 | FIXING DEVICE, IMAGE FORMING APPARATUS, AND HEATER CONTROL METHOD - A fixing device includes a fuser member, a heater, a thermometer, and a power supply controller. The fuser member is subjected to heating. The heater is adjacent to the fuser member to heat the fuser member. The thermometer is adjacent to the fuser member to detect an operational temperature of the fuser member. The power supply controller controls power supply to the heater by adjusting a duty cycle. The controller includes a duty cycle calculator, a driver circuit, and a duty cycle modifier. The duty cycle calculator is operatively connected to the thermometer to calculate a primary value of the duty cycle based on the operational temperature. The driver circuit is operatively connected to the duty cycle calculator to supply power to the heater according to the duty cycle. The duty cycle modifier is connected between the duty cycle calculator and the driver circuit to modify the duty cycle. | 09-06-2012 |
20120237273 | FIXING DEVICE WITH RESISTANCE HEATING ELEMENT CAPABLE OF ACCURATELY GENERATING HEAT AND IMAGE FORMING APPARATUS WITH FIXING DEVICE - In a fixing device, a heating element is extended along a fixing member at a location other than a nip on an inner circumferential surface side of the fixing member to generate heat. The fixing member contacts the heating element either indirectly via a gap of a prescribed size or directly contacts the heating element by with a prescribed pressure when the fixing member is rotating, and continuously separates from the heating element by a prescribed distance greater than the size of the gap when the fixing member stops rotating. | 09-20-2012 |
20130164056 | Fixing Device And Image Forming Apparatus Including The Fixing Device - A fixing device for fixing an image on a recording medium includes a rotatable endless fixing rotary member, a heating source which heats the fixing rotary member, an opposite rotary member in contact with the fixing rotary member, a nip forming member provided inside the fixing rotary member and in contact with the opposite rotary member via the fixing rotary member to form a nip portion to which the recording medium is fed, holding members rotatably holding end portions of the fixing rotary member, and protecting members provided between the holding members and end surfaces of the fixing rotary member to protect the end portions. Each of the protecting members has an opposite surface facing the corresponding end surface of the fixing rotary member, and including an inner diameter-side end edge having an inclined surface inclined in an inner diameter direction and away from the fixing rotary member. | 06-27-2013 |
20130164058 | FIXING DEVICE AND ENDLESS BELT ASSEMBLY - A fixing device includes an endless flexible belt, a stationary pad, a rotary pressure member, and a reinforcing member. The endless flexible belt is looped into a generally cylindrical configuration extending in an axial direction thereof for rotation in a rotational, circumferential direction thereof. The stationary pad is stationarily disposed inside the loop of the belt. The rotary pressure member is disposed parallel to the belt. The rotary pressure member presses against the stationary pad via the belt to form a nip therebetween. The reinforcing member is stationarily disposed in contact with the stationary pad inside the loop of the belt for reinforcing the stationary pad. The stationary pad includes two or more contact portions spaced apart from each other in the conveyance direction, each generally extending in the axial direction of the looped belt and protruding toward the reinforcing member to contact the reinforcing member. | 06-27-2013 |
20130164059 | Fixing Device And Image Forming Device - According to an embodiments, provided is a fixing device that includes: an endless fixing belt, heats and melts a toner image, and has flexibility; a stationary member that is set stationary on an inner peripheral surface side of the fixing belt and comes into contact under pressure to form a nip portion; and a reinforcement member that is set stationary on the inner peripheral surface side of the fixing belt and comes into abutment with the stationary member. If it is assumed that a length of the nip portion in a direction of conveyance of the recording medium is designated as A; and a length between an upstream-side abutment portion and a downstream-side abutment portion at which the stationary member and the reinforcement member come into abutment with each other is designated as B, following relation is established: A | 06-27-2013 |
20130170877 | FIXING DEVICE, IMAGE FORMING DEVICE, AND SEPARATING MEMBER - In an embodiment, provided is a fixing device that includes: a fixing belt rotatable and endless; a belt holding member holding the fixing belt at each end part in an axial direction; a heat source heating the fixing belt; a nip forming member provided inside the fixing belt; an opposing rotator forming a nip portion between the opposing rotator and the fixing belt via the fixing belt; and a separating member that extends near the nip portion and separates a recording medium from a surface of the fixing belt. A leading end of the separating member is provided with a receding portion and an approaching portion that is at a different position from a position of the receding portion different in the axial direction. The approaching portion is provided nearer to the nip portion than the receding portion is provided. | 07-04-2013 |
20130170879 | FIXING DEVICE WITH SUPPORT AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a support supporting a nip formation assembly that presses against an opposed rotary body via an endless belt to form a fixing nip between the endless belt and the opposed rotary body. The support includes a base contacting the nip formation assembly. An upstream projection projects from the base in a pressurization direction of the opposed rotary body at a position on the base corresponding to or upstream from an upstream edge of the fixing nip in a recording medium conveyance direction. A downstream projection projects from the base in the pressurization direction of the opposed rotary body at a position on the base corresponding to or downstream from a downstream edge of the fixing nip in the recording medium conveyance direction. The downstream projection is spaced apart from the upstream projection in the recording medium conveyance direction. | 07-04-2013 |
20130170880 | FIXING DEVICE WITH ENDLESS BELT AND IMAGE FORMING APPARATUS INCORPORATING SAME - The fixing device includes a nip formation assembly partially pressing against an opposed rotary body via an endless belt to form a fixing nip between the endless belt and the opposed rotary body. The nip formation assembly includes a base pad defining the fixing nip and including a pressure portion, an extension portion, and a curved portion. The pressure portion presses against the opposed rotary body via the endless belt. The extension portion is contiguous to and disposed upstream from the pressure portion in a recording medium conveyance direction. The extension portion does not press against the opposed rotary body via the endless belt. The curved portion is disposed upstream from the extension portion in the recording medium conveyance direction and smoothly blends into the extension portion. The curved portion does not press against the opposed rotary body. | 07-04-2013 |
20130177340 | FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND IMAGE FORMING APPARATUS INCORPORATING THE SAME - A fixing device includes an endless belt rotatable in a predetermined direction of rotation and a nip formation assembly disposed opposite an inner circumferential surface of the endless belt. An opposed rotary body is pressed against the nip formation assembly via the endless belt to form a fixing nip between the endless belt and the opposed rotary body through which a recording medium bearing a toner image is conveyed. A belt holder contacts and supports each lateral end of the endless belt in an axial direction thereof. The belt holder is isolated from the opposed rotary body with a first interval interposed therebetween in the axial direction of the endless belt. | 07-11-2013 |
20130183070 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE - A fixing device for fixing an image on a recording medium includes an endless fixing rotary member which is formed into a loop and comes into contact with the image on the recording medium, an opposed rotary member which is in contact with the fixing rotary member, a nip forming member provided inside the loop of the fixing rotary member to be in contact with the opposed rotary member via the fixing rotary member to form a nip portion to which the recording medium is fed in a feeding direction, a support member which supports the nip forming member, and a heating source which heats the fixing rotary member. The nip forming member includes a downstream portion extending downstream in the feeding direction from a center of the nip portion and an upstream portion extending upstream in the feeding direction from the center and longer than the downstream portion. | 07-18-2013 |
20130183071 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device that fixes an image on a recording medium includes a rotatable endless belt, deployed in a loop supported by rollers, a nip forming member provided inside the loop formed by the belt, a support member that supports the nip forming member, a counter rotation body disposed outside the loop formed by the belt and configured to form a nip with the belt by being in contact with the nip forming member through the belt, and a heat source configured to heat the belt directly by a radiant heat except at the nip. The support member includes a base portion that contacts the nip forming member and two arms extending from the base portion in a direction away from the nip forming member to partially surround a part of heat generating portion of the heat source. | 07-18-2013 |
20130188991 | FIXING DEVICE AND IMAGE FORMING APPARATUS EQUIPPED WITH FIXING DEVICE - A fixing device comprises a rotatable fixing member to heat a side of a recording medium bearing an unfixed image; a heat source to heat the rotatable fixing member; a rotatable pressing member disposed opposite the fixing member to press against an outer side of the fixing member; a housing to accommodate the fixing member and the pressing member; a conveyance path defined internally within the fixing device to convey a recording medium therethrough and between the fixing member and the pressing member, and a shutter actuator to move the shutter to open and close the conveyance path. The housing holds the shutter and the shutter actuator. | 07-25-2013 |
20130189005 | SEPARATOR AND SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME - A separator includes a front edge disposed opposite an outer circumferential surface of an endless belt. The front edge contacts and separates a recording medium from the endless belt. A separation plate mounts the front edge. A contact plate projects from the separation plate in an axial direction of the endless belt and contacts a belt holder that supports the endless belt. A bracket projects from the separation plate in a direction orthogonal to the direction in which the contact plate projects from the separation plate. The bracket includes a notch that engages the belt holder. The contact plate contacting the belt holder and the notch of the bracket engaging the belt holder produce an interval between the front edge of the separator and the outer circumferential surface of the endless belt. | 07-25-2013 |
20130189008 | FIXING DEVICE AND ENDLESS BELT ASSEMBLY - A fixing device includes an endless flexible belt, a stationary pad, a rotary pressure member, and a lubrication mechanism. The endless flexible belt is looped into a generally cylindrical configuration extending in an axial direction thereof for rotation in a rotational, circumferential direction thereof. The stationary pad is stationarily disposed inside the loop of the belt. The rotary pressure member is disposed parallel to the belt. The rotary pressure member presses against the stationary pad via the belt to form a nip therebetween, through which a recording medium is conveyed in a conveyance direction. The lubrication mechanism supplies lubricant between the stationary pad and the belt, and includes a first sheet of lubricant-impregnated material and a second sheet of lubricant-impregnated material. | 07-25-2013 |
20130195477 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device comprises a rotatable fixing member to apply heat to a recording medium bearing an unfixed image thereon, a heat source to heat the fixing member, and a rotatable pressing member pressing against the fixing member forming a nip therebetween. A driving source rotates and drives the fixing member and the pressing member. An overheat safety device has a relay to open and close a power supply path connected to the heat source. A temperature detector is connected to both the relay and the control unit to detect temperature of the fixing member. The overheat safety device turns off the relay and cuts off power supply to the heat source when the fixing member is overheated. The fixing member is allowed to radiate heat and cool down when the temperature detected by the temperature detector is more than a prescribed level. | 08-01-2013 |
20130195493 | FIXING DEVICE AND IMAGE FORMING DEVICE - According to an embodiment, provided is a fixing device that includes: a rotatable fixing member that heats a recording medium on a side carrying an unfixed image; a rotatable pressing member that is pressed and is contacted with the fixing member to form a nip portion between the pressing member and the fixing member; a heat source heating the fixing member; a relay switch provided in an energizing path for the heat source; a temperature detection sensor detecting a temperature of the fixing member; and a control unit that controls energization of the heat source according to the temperature detected by the temperature detection sensor. The control unit keeps the relay switch in an off state if the temperature of the fixing member is equal to or more than a predetermined temperature when the fixing member has stopped rotation. | 08-01-2013 |
20130195523 | FIXING DEVICE - A fixing device includes an endless flexible belt, an elongated stationary pad, a rotary pressure member, and a low-friction sheet. The endless flexible belt is looped into a generally cylindrical configuration extending in an axial direction thereof for rotation in a rotational, circumferential direction thereof. The elongated stationary pad is stationarily disposed inside the loop of the belt. The rotary pressure member is disposed parallel to the belt. The rotary pressure member presses against the stationary pad via the belt to form a nip therebetween, through which a recording medium is conveyed in a conveyance direction. The low-friction sheet of lubricant-impregnated material covers the stationary pad to supply a lubricant between the stationary pad and the belt across the nip. The low-friction sheet has one or more flow channels defined therein. | 08-01-2013 |
20130195524 | FIXING DEVICE AND ENDLESS BELT ASSEMBLY - A fixing device includes an endless flexible belt, an elongated stationary pad, a rotary pressure member, a low-friction sheet of lubricant-impregnated material, a first adhesive layer, and a second adhesive layer. The endless flexible belt is looped into a generally cylindrical configuration extending in an axial direction thereof for rotation in a rotational, circumferential direction thereof. The elongated stationary pad is stationarily disposed inside the loop of the belt. The rotary pressure member is disposed parallel to the belt. The rotary pressure member presses against the stationary pad via the belt to form a nip therebetween. The low-friction sheet of lubricant-impregnated material covers the stationary pad to supply lubricant between the stationary pad and the belt across the nip. The first adhesive layer is disposed between the low-friction sheet and the stationary pad. The second adhesive layer is disposed between the low-friction sheet and the stationary pad. | 08-01-2013 |
20130195525 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes: a rotatable endless fixing belt; a nip forming member arranged inside the fixing belt; a facing rotating body that abuts the nip forming member via the fixing belt to form a nip portion with the fixing belt; a heat source that directly heats up the fixing belt at a portion other than the nip portion; and a supporting member that supports the nip forming member. The fixing device conveys a recording medium carrying an unfixed image to the nip portion to fix the unfixed image to the recording medium, and the supporting member includes a rising portion extending in an abutting direction of the facing rotating body against the fixing belt and having a tip close to an inner circumferential surface of the fixing belt, and is set to have a section modulus of 200 mm | 08-01-2013 |
20130202320 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A fixing device including a fixing member, an opposing member, a plurality of heat sources, and a voltage detector. The opposing member is disposed opposite the fixing member to contact the fixing member to form a nip portion at which an unfixed image on a recording medium is fixed. The plurality of heat sources heats the fixing member. The voltage detector detects an applied voltage of at least one of the plurality of heat sources. Upon detection of the applied voltage of the heat sources by the voltage detector, a voltage is applied to at least one of the heat sources. | 08-08-2013 |
20130209115 | IMAGE FORMING APPARATUS - An image forming apparatus includes a fixing device. The fixing device includes a rotatable endless fixing member, a nip forming member arranged inside the fixing member, a pressing member in contact with the nip forming member via the fixing member, and a heating source configured to heat the fixing member. When an abnormality occurs in at least one of the fixing device and other devices included in the image forming apparatus, a rotation of the fixing member is stopped prior to stopping a rotation driving of a discharging unit and, after stopping, the fixing member is controlled to rotate. | 08-15-2013 |
20130209119 | FIXING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND FIXING METHOD - A fixing device includes a controller connected to a heater and at least one of a pressing rotary body and an endless rotary body. The controller performs a first fixing operation, a first transition operation, a second fixing operation, and a second transition operation. The first fixing operation fixes a toner image on a first recording medium after the fixing device is powered on. The first transition operation rotates the pressing rotary body and the endless rotary body while controlling the heater to maintain the endless rotary body at a predetermined temperature for a first duration time. The second fixing operation fixes a toner image on a second recording medium. The second transition operation rotates the pressing rotary body and the endless rotary body while controlling the heater to maintain the endless rotary body at the predetermined temperature for a second duration time smaller than the first duration time. | 08-15-2013 |
20130209121 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A fixing device includes a heat source; a fixing member looped into a generally cylindrical shape to rotate in a circumferential direction thereof and partially heated by the heat source and to heat a surface of a recording medium bearing an unfixed toner image to fix the unfixed toner image thereon in a fixing process; a rotary pressing member disposed facing the fixing member to form a nip therebetween, through which the recording medium is transported in a transport direction; and a rotation driver to rotate one of the fixing member and the pressing member. In a case in which the fixing member is halted for a reason other than the fixing process while power of the fixing device is on, electric power is not supplied to the heat source and the fixing member is rotated by a predetermined amount or more after the fixing member is halted. | 08-15-2013 |
20130209125 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A fixing device for fixing an unfixed image onto a recording medium includes a fixing belt, a nip forming member, an opposing rotary member, a heater, and a temperature detector. The fixing belt is formed into a loop to move endlessly and fix the unfixed image on the recording medium. The nip forming member is disposed inside the loop formed by the fixing belt. The opposing rotary member contacts the nip forming member via the fixing belt to form a nip portion therebetween while rotating. The heater heats the fixing belt at a place other than the nip portion. The temperature detector detects a temperature of the surface of the fixing belt. The temperature detector detects the temperature near a place of the fixing belt that easily deforms as the fixing belt is heated by the heater. | 08-15-2013 |
20130209131 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device capable of shifting to a sleep state includes a heat source; a rotatable fixing member that is partly heated by the heat source to heat an unfixed image carrying surface of a recording medium; a rotatable pressing member that is in pressure contact with the fixing member to form a nip portion between the pressing member and the fixing member; a rotation drive unit that directly or indirectly rotates the fixing member; a temperature detecting unit that detects a temperature of the fixing member; and a controller configured to prohibit the fixing device from shifting to the sleep state when the temperature of the fixing member in a region facing the heat source is equal to or more than a predetermined temperature T | 08-15-2013 |
20130209139 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device capable of incorporating in an image forming apparatus includes a belt unit including a rotatable elastic endless belt having a sleeve shape without a driving shaft and a nip forming member disposed contactable against an inner surface of the endless belt, and a pressing member to form a nip contact portion through which a recording medium passes by pressing against the nip forming member via the endless belt. The endless belt is configured to be removable from the fixing device without contacting the endless belt. | 08-15-2013 |
20130209146 | FIXING DEVICE CAPABLE OF MINIMIZING DAMAGE OF ENDLESS BELT AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes an endless belt and a belt holder contacting and rotatably supporting each lateral end of the endless belt in an axial direction thereof. A first protection ring and a second protection ring are interposed between the endless belt and the belt holder in the axial direction of the endless belt and rotatable in accordance with rotation of the endless belt to protect each lateral end of the endless belt as the endless belt is skewed in the axial direction thereof and brought into contact with the first protection ring. A friction coefficient between the first protection ring and the second protection ring is smaller than a friction coefficient between the first protection ring and the endless belt. | 08-15-2013 |
20130209147 | FIXING DEVICE CAPABLE OF MINIMIZING DAMAGE OF ENDLESS ROTARY BODY AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes at least one heater disposed opposite an inner circumferential surface of an endless rotary body to heat the endless rotary body and a shield interposed between the endless rotary body and the at least one heater to shield the endless rotary body from heat radiated from the at least one heater. A first size recording medium passes over a first passage region of the endless rotary body and a second size recording medium passes over a second passage region of the endless rotary body. The shield includes a notch disposed opposite a lateral end of the second passage region of the endless rotary body in an axial direction thereof. The lateral end of the second passage region overlaps a non-passage region of the endless rotary body in the axial direction thereof where the first size recording medium does not pass. | 08-15-2013 |
20130236225 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes an endless belt and a pressing body pressed against the endless belt to form a fixing nip therebetween through which a recording medium is conveyed. A separator contacts and separates the recording medium discharged from the fixing nip from the endless belt. The separator includes a center plate disposed opposite a center of the endless belt in an axial direction thereof to contact the recording medium and a lateral end plate disposed opposite each lateral end of the endless belt in the axial direction thereof and including a contact portion projecting beyond the center plate toward the endless belt and contacting the endless belt to produce a given interval between the center plate and the endless belt. | 09-12-2013 |
20130251390 | FIXING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND FIXING METHOD - A fixing device includes a fixing rotary body rotatable in a predetermined direction of rotation and a heater disposed opposite and heating a heating span of the fixing rotary body. A controller is operatively connected to a power supply that supplies power to the heater and a driver that rotates the fixing rotary body to control the power supply and the driver. The controller performs at least one of a rotation speed control that controls the driver to rotate the fixing rotary body at an increased rotation speed and a power supply control that controls the power supply to supply an increased amount of power to the heater. | 09-26-2013 |
20130251422 | FIXING DEVICE AND GUIDE MECHANISM INCLUDED THEREIN - A fixing device includes a rotatable, endless flexible belt, an elongated stationary pad, a rotatable pressure member, a rotary driver, a releasable biasing mechanism, a first guide member, and a second guide member. The endless flexible belt is looped into a generally cylindrical configuration. The elongated stationary pad is stationarily disposed inside the loop of the belt. The rotatable pressure member is disposed parallel to the stationary pad with the belt interposed between the pressure member and the stationary pad. The rotary driver is operatively connected with the pressure member to impart torque to the pressure member. The releasable biasing mechanism is operatively connected with the pressure member to apply a releasable pressure to the pressure member against the belt in a load direction. The first guide member defines a first elongated opening. The second guide member defines a second elongated opening. | 09-26-2013 |
20130266355 | FIXING APPARATUS AND IMAGE FORMING APPARATUS - A fixing apparatus includes: a fixing belt; a pressurizing roller; a supporting member; a heating unit; a nip forming member; and a deform preventing unit. The fixing apparatus and an image forming apparatus including the fixing apparatus prevent a supporting member from deforming due to sliding of a fixing member, improving energy conservation and durability of parts and obtaining a good image. | 10-10-2013 |
20140016971 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a fixing rotary body rotatable in a given direction of rotation and a pressing rotary body pressed against the fixing rotary body to form a fixing nip therebetween through which a recording medium bearing a toner image is conveyed. A heater is disposed inside the fixing rotary body to heat the fixing rotary body. A reflector, disposed opposite an inner circumferential surface of the fixing rotary body via the heater, reflects light emitted from the heater onto the fixing rotary body. The reflector includes a movable portion movable relative to the heater to direct the light emitted from the heater onto a variable heating span of the fixing rotary body spanning in an axial direction thereof. The variable heating span varies depending on a width of the recording medium in the axial direction of the fixing rotary body. | 01-16-2014 |
20140064804 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A fixing device includes a rotary fixing member, a heater, a pressing member, a nip formation member, a reinforcement member, a sliding sheet, and a holding member. The nip formation member is disposed at an inner circumferential side of the fixing member and pressed by the pressing member via the fixing member to form a nipping portion. The reinforcement member is stationarily disposed in an internal diameter area of the fixing member to support the nip formation member. The sliding sheet is disposed between the nip formation member and an inner circumferential face of the fixing member. The holding member is disposed at a member differing from the nip formation member to hold the sliding sheet in a state in which the sliding sheet is in close contact with a nipping face of the nip formation member facing the nipping portion. | 03-06-2014 |
20140079453 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes a fixing rotary body and a heater disposed opposite the fixing rotary body. A heat shield is movable in a circumferential direction of the fixing rotary body and interposed between the heater and the fixing rotary body to shield the fixing rotary body from the heater. An overheating suppressor is interposed between the heater and the heat shield to shield the heat shield from the heater. The heat shield includes an intermediate portion spanning in the circumferential direction of the fixing rotary body and movable between a shield position where the intermediate portion is disposed opposite the heater directly and a retracted position where the intermediate portion is disposed opposite the heater via the overheating suppressor. | 03-20-2014 |
20140133879 | IMAGE FORMING APPARATUS - In the present invention, upon return from a standby mode or sleep mode, image data is acquired as warming-up time estimate information for estimating the warming-up time to increase the temperature of a fixing belt to a target fixing temperature and, if the acquired image data is the data on a black-and-white image, control is performed to delay the heating start timing of the fixing belt. | 05-15-2014 |
20140241766 | FIXING DEVICE AND IMAGE FORMING APPARATUS WITH SAME - A fixing device fixes an unfixed image onto a recording medium by heating the recording medium conveyed to a fixing nip. The fixing device includes a rotator, a belt rotatable by contacting the rotator, and a fixing nip-forming member provided inside a loop of the fixing belt to together form the fixing nip with the rotator via the fixing belt. A sliding pad is placed between the fixing nip-forming member and the fixing belt to retain lubricant and render the fixing belt to smoothly slide thereon. The sliding pad includes a first fibrous layer contacting the fixing belt and a second fibrous layer closer to the fixing nip-forming member than the first fibrous layer. The second fibrous layer has less fiber density than the first fibrous layer. | 08-28-2014 |
20140286684 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes an endless belt, a heater disposed opposite the endless belt to heat the endless belt, and a pressing rotary body contacting an outer circumferential surface of the endless belt. A nip formation pad presses against the pressing rotary body via the endless belt to form a fixing nip between the endless belt and the pressing rotary body, through which a recording medium is conveyed. The nip formation pad includes a nip face disposed opposite the endless belt. The nip face includes a first region having an increased thermal conductivity and a second region having a decreased thermal conductivity and being adjacent to the first region in an axial direction of the endless belt. | 09-25-2014 |
20140369703 | IMAGE FORMING APPARATUS - An image forming apparatus includes a fixing device. The fixing device includes a rotatable endless fixing member, a nip forming member arranged inside the fixing member, a pressing member in contact with the nip forming member via the fixing member, and a heating source configured to heat the fixing member. When an abnormality occurs in at least one of the fixing device and other devices included in the image forming apparatus, a rotation of the fixing member is stopped prior to stopping a rotation driving of a discharging unit and, after stopping, the fixing member is controlled to rotate. | 12-18-2014 |
20150023705 | FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND IMAGE FORMING APPARATUS INCORPORATING THE SAME - A fixing device includes an endless belt rotatable in a predetermined direction of rotation and a nip formation assembly disposed opposite an inner circumferential surface of the endless belt. An opposed rotary body is pressed against the nip formation assembly via the endless belt to form a fixing nip between the endless belt and the opposed rotary body through which a recording medium bearing a toner image is conveyed. A belt holder contacts and supports each lateral end of the endless belt in an axial direction thereof. The belt holder is isolated from the opposed rotary body with a first interval interposed therebetween in the axial direction of the endless belt. | 01-22-2015 |
20150055994 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes a fixing rotator rotatable in a predetermined direction of rotation and an opposed rotator disposed opposite the fixing rotator to form a fixing nip therebetween through which a recording medium bearing a toner image is conveyed. A heater is disposed opposite the fixing rotator to heat the fixing rotator. A nip formation pad is disposed opposite an inner circumferential surface of the fixing rotator. The nip formation pad includes a base, a first thermal conductor sandwiched between the base and the fixing rotator and having a first thermal conductivity greater than a thermal conductivity of the base, and a bulge projecting from the first thermal conductor toward the opposed rotator at a downstream end of the first thermal conductor in a recording medium conveyance direction. | 02-26-2015 |
20150063884 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device that fixes an image on a recording medium includes a rotatable endless belt, deployed in a loop supported by rollers, a nip forming member provided inside the loop formed by the belt, a support member that supports the nip forming member, a counter rotation body disposed outside the loop formed by the belt and configured to form a nip with the belt by being in contact with the nip forming member through the belt, and a heat source configured to heat the belt directly by a radiant heat except at the nip. The support member includes a base portion that contacts the nip forming member and two arms extending from the base portion in a direction away from the nip forming member to partially surround a part of heat generating portion of the heat source. | 03-05-2015 |
Patent application number | Description | Published |
20090034488 | BASE STATION APPARATUS AND DATA RETRANSMISSION METHOD OF THE SAME - A base station apparatus of this invention includes a buffer ( | 02-05-2009 |
20090075661 | MOBILE COMMUNICATION SYSTEM, RADIO BASE STATION DEVICE, AND TRANSMISSION POWER CONTROL METHOD - A radio base station control device instructs the radio base station device of a handover destination to establish a radio link with a mobile station terminal and requests the radio base station device of a handover source to report transmission power information concerning the down radio link to the mobile station terminal. In response to the request from the radio base station control device, the radio base station device of the handover source reports the transmission power information concerning the down radio link to the radio base station control device. The radio base station control device transfers the transmission power information from the radio base station device of the handover source to radio base station device of the handover destination. The radio base station device of the handover destination controls the transmission power of down link to the mobile station terminal by using the transferred transmission power information until synchronization of the up radio link is established. | 03-19-2009 |
20100291958 | BASE TRANSCEIVER STATION, MBMS BASE TRANSCEIVER STATION SYSTEM, METHOD OF DETERMINING TRANSMIT POWER, AND METHOD OF CONTROLLING TRANSMIT POWER - A base transceiver station ( | 11-18-2010 |
20110007649 | BASE TRANSCEIVER STATION AND METHOD OF DETERMINING TRANSMIT POWER - A base transceiver station ( | 01-13-2011 |
20110183648 | WIRELESS BASE STATION DEVICE AND POWER CONTROL METHOD THEREFOR - Disclosed are a wireless base station and a power control method therefor with which a wireless base station device installed in a home or office is capable of high-speed data communication with a relatively inexpensive price plan even when a transmission from a portable terminal is received during a low-power consumption mode. At a preset time, or when a power control unit ( | 07-28-2011 |
20110188480 | RADIO BASE STATION, RADIO ACCESS NETWORK, COMMUNICATION CONTROLLING CIRCUIT, STORAGE MEDIUM, AND COMMUNICATION CONTROLLING METHOD - In order to synchronize timings of transmission through a radio channel for broadcast communication even when a plurality of base stations communicate independently of one another, a receiver | 08-04-2011 |
20110294507 | REGISTRATION DEVICE FOR MOBILE STATION IN WIRELESS COMMUNICATIONS, REGISTRATION METHOD, PROGRAM AND BASE STATION - A registration device, registering a mobile station in a small cell, comprises a determination unit that determine if the mobile station is to be registered based on distance to the mobile station and length of stay of the mobile station. | 12-01-2011 |
20110319030 | RADIO COMMUNICATION SYSTEM, RADIO BASE STATION APPARATUS, AND THEIR CONTROL METHOD - To provide a radio communication system capable of reducing the power consumption of a radio base station apparatus. A radio communication system according to the present invention includes a user apparatus ( | 12-29-2011 |
20120002632 | WIRELESS BASE STATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND PROGRAM - A wireless communication system comprises: first wireless base station apparatus that covers first cell; and second wireless base station apparatus that covers second cell that is wider than first cell and overlaps at least a portion of first cell, wherein: in a case of performing communication with mobile station terminal included in first cell, first wireless base station apparatus makes reference to communication quality of the second cell, judges whether or not wireless resource(s) of second wireless base station apparatus is to be reserved, and, when a judgment is made that reservation of wireless resource(s) is necessary, transmits wireless resource allocation request including necessary resource amount to second wireless base station apparatus; and in a case of receiving wireless resource allocation request from first wireless base station apparatus, second wireless base station apparatus allocates wireless resource(s) in accordance with necessary resource amount to first wireless base station apparatus. | 01-05-2012 |
20120208543 | MOBILE COMMUNICATION SYSTEM, RADIO BASE STATION APPARATUS, CELL AREA COOPERATIVE CONTROL METHOD AND PROGRAM - A mobile communication system comprises: a first radio base station apparatus transmitting, after recovering from a service halt state and before starting to execute a stepwise cell area expansion, a notification including an instruction for a cell area reduction corresponding to the cell area expansion to a neighboring second radio base station apparatus; and a second radio base station apparatus reducing a cell area that has been expanded during the service halt state of the first radio base station apparatus, in accordance with the instruction for a cell area reduction included in the notification transmitted from the first radio base station apparatus. | 08-16-2012 |
20120294243 | WIRELESS COMMUNICATION SYSTEM, RADIO BASE STATION AND COOPERATIVE CONTROL METHOD - A wireless communication system comprises: a plurality of first radio base stations that each includes data in frames and uses a frequency in a predetermined frequency band to transmit the frames to a first terminal that is present in its own cover are; and a second radio base station that has as its own cover area the same areas as the cover areas of the plurality of first radio base stations and that includes data in frames and uses a frequency in the predetermined frequency band to transmit the frames to a second terminal that is present in its own cover area. Each of the first radio base stations reports to the second radio base station the transmission timing of frames to the first terminal, and the second radio base station synchronizes the transmission timing of transmitting frames to the second terminal with the reported transmission timing. | 11-22-2012 |
20120329505 | RADIO COMMUNICATION SYSTEM, RADIO BASE STATION APPARATUS, CORE NETWORK APPARATUS, AND DATA COMMUNICATION METHOD - A radio communication system according to the present invention includes a base station apparatus | 12-27-2012 |
20130308544 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, RADIO COMMUNICATION DEVICE, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM STORING CONTROL PROGRAM THEREFOR - The system of the present invention includes a first radio station and a plurality of second radio stations that communicate via a limited radio resource having a limited time slot and a limited frequency band allocated in advance. The first radio station performs control not to request the plurality of second radio stations to re-transmit transmission data when detecting a receive error in the transmission data from the plurality of second radio stations to the first radio station. Each of the plurality of second radio stations performs control, when detecting a receive error in transmission data from the first radio station to the second radio station, not to request the first radio station to re-transmit the transmission data in which the receive error has been detected, but to receive the transmission data re-transmitted according to a upper layer protocol from a communication partner radio station with which communication on the upper layer has already been established. | 11-21-2013 |
Patent application number | Description | Published |
20090128650 | Imaging Device - An imaging device includes: an imaging element which comprises a plurality of pixels capable of switching between a linear conversion operation for linearly converting incident light into an electric signal and a logarithmic conversion operation for logarithmically converting the incident light into an electric signal, according to an incident light quantity; an operation section which is operated for changing an inflection point, the inflection point is a boundary between a linear region and a logarithmic region of output signals of the imaging element; and an inflection point changing section which changes the inflection point of the imaging element according to an operation of the operation unit. | 05-21-2009 |
20090141139 | Imaging Device - An imaging device including: an imaging element which comprises a plurality of pixels capable of switching between a linear conversion operation for linearly converting incident light into an electric signal and a logarithmic conversion operation for logarithmically converting the incident light into an electric signal, according to an incident light quantity; a monitor to display an image obtained by the imaging element; an operation section which is operated for specifying an arbitrary area of the image displayed on the monitor; and an inflection point changing section which evaluates an output signal of the imaging element in the specified area, and changes the inflection point which is a boundary between a linear region and a logarithmic region in the output signal of the imaging element, based on an evaluation result of the output signal. | 06-04-2009 |
20090222109 | POSITION CONTROL APPARATUS INCLUDING ITERATIVE LEARNING CIRCUIT, EXPOSURE APPARATUS, METHOD FOR MANUFACTURING DEVICE, AND ITERATIVE LEARNING METHOD FOR USE IN POSITION CONTROL APPARATUS HAVING ITERATIVE LEARNING CIRCUIT INCLUDING LEARNING FILTER - A position control apparatus includes a detecting unit configured to detect a position of a control target, a subtracting unit configured to subtract an output of the detecting unit from a target value, an iterative learning control circuit including a filter into which a deviation between the output of the detecting unit and the target value is input, where the iterative learning control circuit feeds forward a control input to the control target, and a parameter computing unit configured to compute a variation in a parameter of the control target. A characteristic of the filter is computed in accordance with the variation in the parameter of the control target. | 09-03-2009 |
20100135545 | IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING PROGRAM - Disclosed are an image processing method, an image processing apparatus, and an image processing program which perform appropriate gradation processing in each brightness region while gradation continuity is maintained. The image processing apparatus which applies image processing including gradation conversion processing to image data, the image processing apparatus having: an image processing section for applying image processing to the image data based on each of a plurality of different gradation conversion processing characteristics, thereby generating a plurality of image-processed image data; a synthesis ratio calculating section for calculating the synthesis ratios of the plurality of image-processed image data by referencing image information of the image data prior to image processing; and a synthesis section for synthesizing the plurality of image-processed image data based on the synthesis ratios, thereby generating image data to be outputted. | 06-03-2010 |
20100198371 | CONTROL DEVICE - A control device includes an iterative learning control circuit that includes first and second learning filters to which a synchronization error is input and is configured to feed forward a control input to a first control target based on an output of the first learning filter and to feed forward a control input to a second control target based on an output of the second learning filter. Each of the first and second learning filters includes transfer functions of the first and second control targets and transfer functions of controllers of the first and second control circuits. | 08-05-2010 |
20120072025 | ROBOT APPARATUS - There is provided a robot apparatus that can rapidly obtain an ellipse indicating a stiffness characteristic, even if lengths of two links are different from each other. | 03-22-2012 |
20120072026 | ROBOT SYSTEM CONTROLLING METHOD, ROBOT SYSTEM, AND CONTROL APPARATUS FOR QUADRUPEDAL ROBOT - An object of the present invention is to provide a robot system controlling method and robot system which perform link angle control and joint stiffness control through feedback control. | 03-22-2012 |
20130003101 | IMAGE FORMING SYSTEM, CONTROLLER AND RASTERIZATION ACCELERATOR - An image forming system comprising: a controller, provided with a list creation means to create a display list by analyzing PDL data decompression means to decompress compressed image data, a drawing means to execute drawing based on the image data, and a print data creation means to create the print data based on the image data for sending the print data to a printer; and a rasterization accelerator, provided with a second drawing means to execute drawing processing based on the display list, and a compression means to compress the image data drawn by the second drawing unit, for sending the image data to the controller, wherein the rasterization accelerator comprises determination means for determining, based on the information of the display list, whether to execute or not the compression of the image data, and a compression method in case of executing the compression. | 01-03-2013 |
20130027735 | IMAGE FORMING APPARATUS, ACCELERATOR AND IMAGE FORMING METHOD - Disclosed is an image forming apparatus that makes it possible to suppress the scale enlargement of the electric circuit, so as to make the apparatus highly flexible. The apparatus forms an image based on image data acquired by applying a rendering operation to depiction commands and includes: a converting section to convert input data to the depiction commands; a first rendering section to apply the rendering operation to a first depiction command; a second rendering section to apply the rendering operation to a second depiction command; a reading section to read out first information from the storage section; a determining section to determine whether the first rendering section or the second rendering section should apply the rendering operation to each of the depiction commands; and a control, section to make either the first rendering section or the second rendering section apply the rendering operation to each of the depiction commands. | 01-31-2013 |
20130211595 | CONTROL METHOD OF ROBOT APPARATUS AND ROBOT APPARATUS - A control method of a robot apparatus, the robot apparatus including a link and a pair of actuators, obtaining each driving force command value of each of the actuators, and controlling each of the actuators, the control method including: a torque command value calculation step of using the target stiffness, the target trajectory, angular velocity of the target trajectory, and angular acceleration of the target trajectory to calculate a torque command value; a determination step of determining whether each of the driving force command values is a value 0 or greater; a change step of performing at least one of a change of increasing the target stiffness and a change of reducing the angular acceleration; and a driving force command value calculation step of using the target stiffness and the torque command value to calculate each of the driving force command values. | 08-15-2013 |
20130211596 | CONTROL METHOD OF ROBOT APPARATUS AND ROBOT APPARATUS - A control method of a robot apparatus, the robot apparatus including a link and a pair of actuators, obtaining each driving force command value of each of the actuators, and controlling each of the actuators, the control method including: a torque command value computation step; a change computation step of computing a difference between the joint stiffness command value and a value and performing a computation of subtracting a value from the joint stiffness command value; an iterative step of iterating the computations of the torque command value computation step and the change computation step until the difference converges to a value equal to or smaller than a predetermined value; and a driving force command value computation step to compute each of the driving force command values when the difference is converged to a value equal to or smaller than the predetermined value. | 08-15-2013 |
20130308962 | IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING DRIVE CONDITION OF BELT - A control apparatus executes feedback control on an endless belt driven in a condition having a periodic disturbance to compensate an influence of the periodic disturbance. Detecting that a disturbance other than the periodic disturbance is added to the belt during the feedback control, the control apparatus obtains phase angles of the periodic disturbance on the timing when the other disturbance is added. Then, the based on the phase angles of the periodic disturbance thus obtained, the control apparatus obtains interpolation coefficients that respectively interpolate values of feedforward inputs in the case when the other disturbance is added at the time when the phase angles of the periodic disturbance stored in a memory are a plurality of typical angles, and adds values obtained by adding values obtained by multiplying the interpolation coefficients respectively by the feedforward inputs to a control value of feedback control as a correction value. | 11-21-2013 |
20130345877 | ROBOT AND ROBOT CONTROL METHOD - Provided are a robot and a robot control method in which highly accurate positioning of a link is enabled without losing flexibility of a joint. | 12-26-2013 |
20140288703 | ROBOTICS APPARATUS, ROBOT CONTROL METHOD, PROGRAM, AND RECORDING MEDIUM - The robotics apparatus includes an f | 09-25-2014 |
20140303777 | ROBOT DEVICE, ROBOT CONTROL METHOD, PROGRAM, RECORDING MEDIUM, AND CONTROL DEVICE - A joint torque computing unit computes joint torque T | 10-09-2014 |
20140316575 | ROBOT DEVICE, ROBOT CONTROL METHOD, PROGRAM, AND RECORDING MEDIUM - A joint torque computing unit computes a joint torque T | 10-23-2014 |
20150088161 | CONTROL APPARATUS AND TENDON-DRIVEN DEVICE - An apparatus including a tendon-driven device such as an endoscope comprising a bendable body, a tendon attached to and extending a length of said body, and an actuator that will actuate said tendon based on a control signal from a controller. The controller is configured to send said control signal to said actuator and comprises a forward-kinematic-mapping unit that estimates an angular displacement, wherein the kinematic-mapping unit is configured for: providing a tension value of the tendon to obtain a desired angular displacement wherein the tension has a nonlinear relationship with the desired angular displacement based on information of friction where the tension is greater that would be calculated without including the effect of friction. The friction coefficient may be determined as it changes over time. | 03-26-2015 |
Patent application number | Description | Published |
20100104891 | ZINC-PLATED HIGH-TENSION STEEL SHEET EXCELLENT IN PRESS FORMABILITY AND METHOD FOR PRODUCTION THEREOF - A high-strength galvanized steel sheet having excellent formability contains as a chemical component of steel on a mass percent basis: 0.05% to 0.3% of C; more than 0.60% to 2.0% of Si; 0.50% to 3.50% of Mn; 0.003% to 0.100% of P; 0.010% or less of S; 0.010% to 0.06% of Al; 0.007% or less of N; and the balance including Fe and inevitable impurities, and in the microstructure of the steel sheet, the standard deviation of nano-hardness is 1.50 GPa or less. | 04-29-2010 |
20100132849 | HIGH TENSILE-STRENGTH GALVANIZED STEEL SHEET AND PROCESS FOR MANUFACTURING HIGH TENSILE-STRENGTH GALVANIZED STEEL SHEET - A high tensile-strength galvanized steel sheet includes C: at least 0.05% but less than 0.12%, Si: at least 0.01% but less than 0.35%, Mn: 2.0% to 3.5%, P: 0.001% to 0.020%, S: 0.0001% to 0.0030%, Al: 0.005% to 0.1%, N: 0.0001% to 0.0060%, Cr: more than 0.5% but not more than 2.0%, Mo: 0.01% to 0.50%, Ti: 0.010% to 0.080%, Nb: 0.010% to 0.080%, and B: 0.0001% to 0.0030%, the remainder being Fe and unavoidable impurities, wherein the high tensile-strength galvanized steel sheet has a microstructure that contains 20% to 70% by volume ferrite having an average grain size of 5 μm or less. The high tensile-strength galvanized steel sheet has a tensile strength of at least 980 MPa, and excellent formability and weldability. | 06-03-2010 |
20100218857 | HIGH TENSILE STRENGTH GALVANIZED STEEL SHEET EXCELLENT IN FORMABILITY AND METHOD FOR MANUFACTURING THE SAME - A high tensile strength galvanized steel sheet with excellent formability and anti-crush properties contains, in terms of % by mass, 0.05 to 0.3% of C, 0.01 to 2.5% of Si, 0.5 to 3.5% of Mn, 0.003 to 0.100% of P, 0.02% or less of S, 0.010 to 1.5% of Al, 0.007% or less of N, in addition, 0.01 to 0.2% in total of at least one element selected from Ti, Nb, and V, the remainder being Fe and unavoidable impurities, the steel sheet having a microstructure composed of, in terms of area fraction, 20 to 87% of ferrite, 3 to 10% in total of martensite and residual austenite, and 10 to 60% of tempered martensite, and a second phase composed of the martensite, residual austenite, and tempered martensite having an average crystal grain diameter of 3 μm or less. | 09-02-2010 |
20120040203 | HIGH STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT FORMABILITY, WELDABILITY, AND FATIGUE PROPERTIES AND METHOD FOR MANUFACTURING THE SAME - A high strength galvanized steel sheet including all in mass %, C: 0.05% to <0.12%, Si: 0.35% to <0.80%, Mn: 2.0 to 3.5%, P: 0.001 to 0.040%, S: 0.0001 to 0.0050%, Al: 0.005 to 0.1%, N: 0.0001 to 0.0060%, Cr: 0.01% to 0.5%, Ti: 0.010 to 0.080%, Nb: 0.010 to 0.080%, and B: 0.0001 to 0.0030%, optionally one or more of Mo: 0.01 to 0.15%, Ca: 0.0001 to 0.0050%, REM: 0.0001 to 0.1%, and Sb: 0.0001 to 0.1%, and Fe and unavoidable impurities as the balance, has a microstructure containing a ferrite phase with a volume fraction in a range of 20 to 70% and an average grain diameter equal to or smaller than 5 μm, and has a galvanized layer on a surface thereof at a coating weight (per side) of 20 to 150 g/m | 02-16-2012 |
20130071687 | HIGH STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT BENDABILITY AND WELDABILITY, AND METHOD OF MANUFACTURING THE SAME - A high strength galvanized steel sheet having excellent bendability and weldability, comprising by mass %: C: equal to or more than 0.05% and less than 0.12%; P: 0.001 to 0.040%; and S: equal to or less than 0.0050%, wherein a steel sheet surface layer, constituting a portion of the steel sheet up to a depth of 10 μm measured from each surface of the steel sheet, has a structure containing more than 70% of ferrite phase by a volume fraction, a steel sheet inner layer portion, on an inner side than the depth of 10 μm measured from each surface, has a structure containing 20 to 70% by a volume fraction of ferrite phase with an average crystal grain size equal to or smaller than 5 μm, the steel sheet has a tensile strength equal to or larger than 980 MPa, and the steel sheet has a galvanized layer on a surface thereof. | 03-21-2013 |
20140103684 | VEHICLE COLLISION ENERGY ABSORBING MEMBER EXCELLENT IN ENERGY ABSORBING PERFORMANCE AND MANUFACTURING METHOD THEREFOR - A vehicle collision energy absorbing member is excellent in collision energy absorbing performance in the axial direction upon collision. The vehicle collision energy absorbing member is formed of a high strength thin steel sheet having TS of at least 980 MPa and having an n-value and a limit bending radius Rc satisfying the following Formula: Rc/t≦1.31×ln(n)+5.21. | 04-17-2014 |
20140335374 | HIGH TENSILE STRENGTH GALVANIZED STEEL SHEETS EXCELLENT IN FORMABILITY AND METHODS OF MANUFACTURING THE SAME - A formable galvanized steel sheet includes, in terms of % by mass, 0.05 to 0.3% of C, 0.01 to 2.5% of Si, 0.5 to 3.5% of Mn, 0.003 to 0.100% of P, 0.02% or less of S, 0.010 to 1.5% of Al, and 0.01 to 0.2% in total of at least one element selected from Ti, Nb and V, the remainder being Fe and unavoidable impurities, having a microstructure composed of, in terms of area fraction, 20 to 87% of ferrite, 3 to 10% in total of martensite and residual austenite, and 10 to 60% of tempered martensite, and a second phase composed of the martensite, residual austenite, and tempered martensite having an average crystal grain diameter of 3 μm or less, and having a ratio of absorption energy AE to tensile strength TS (AE/TS) not less than 0.063. | 11-13-2014 |
Patent application number | Description | Published |
20130137522 | VIDEO GAME SYSTEM FOR FLEXIBLY GROUPING COOPERATIVE PLAYERS - In the present invention, a game system includes a game program storage unit, a group information management unit, a play history storage unit, and a group information update unit. The game program storage unit stores a game program for executing a game to be provided to a plurality of terminal devices. The group information management unit stores player identification information identifying each of a plurality of players of the game and group identification information identifying a group which includes the player, in association with each other. The play history storage unit stores a play history of each of the plurality of players for the game. The group information update unit changes an association stored in the group information management unit between player identification information identifying a first player among the plurality of players and group identification information, at least partially in accordance with the play history of the first player. | 05-30-2013 |
20130316835 | GAME SYSTEM - Various embodiments of the present invention provide a game system that enables a player to easily select an item to be used by a player character. The game system according to an embodiment of the present invention comprises a selection unit configured to select, from player game contents owned by a player, one or more game contents to be used by a player character of the player in a battle with an opponent character, based at least on an effective value calculated by the effective value calculating unit. | 11-28-2013 |
20130324255 | GAME PROCESSING SERVER APPARATUS AND GAME PROCESSING SERVER SYSTEM - A game processing server apparatus, to which plural terminal devices each being operated by a player are connected via a network, configured to provide a game service to the plural terminal devices, includes a player management unit which manages an association of a target player with other plural players; and an event management unit which controls a generation of a predetermined event, manages an event generation status for each of the target player and the players associated with the target player, determines whether a specific event is already generated for the target player and the players associated with the target player by referring to the event generation status for each of the target player and the players associated with the target player, determines, based on the determined result, an event to be generated for the target player. | 12-05-2013 |
20130324256 | GAME PROCESSING SERVER APPARATUS AND GAME PROCESSING SERVER SYSTEM - A game processing server apparatus, to which plural terminal devices each being operated by a player are connected via a network, configured to provide a game service to the plural terminal devices, includes a player management unit which manages an association of a target player with other of the plural players; and an event management unit which controls a generation of an event for the target player based on a winning probability parameter of the target player indicating a probability of the target player winning the game determined based on player information of the target player and the players associated with the target player. | 12-05-2013 |
20130324265 | NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING GAME PROGRAM, AND INFORMATION PROCESSING DEVICE - A non-transitory computer-readable storage medium storing a game program, the game program causing a computer to execute a process, including: an event occurrence process to cause occurrence of an event for allowing a player to obtain an item; an occurrence count acquisition process to acquire the number of times the event has occurred; a number determination process to determine the number of other players different from the player based on the number of times the event has occurred; and a consecutive event occurrence process to cause an event for allowing players to obtain an item to occur in a consecutive manner after the event for allowing the player to obtain the item, the number of the players being the determined number or less. | 12-05-2013 |
20130324266 | NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM AND INFORMATION PROCESSING DEVICE - A computer-readable storage medium non-transitorily storing a game program for causing a computer that includes a processor and a memory to execute a game played by a player using a game content for which a parameter that can be increased to an upper limit value is set,
| 12-05-2013 |
20140066199 | SERVER DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING GAME PROGRAM - A server device according to the present invention is connected with a player terminal that displays a game screen through a network, and to execute a battle game played by a player using a plurality of characters. The server device includes: a storage unit configured to store the plurality of characters to be arranged in the character arrangement area; a special area selection unit configured to select a special area to be highlighted on a game screen; a character arrangement unit configured to arrange a character selected from the plurality of characters to be arranged in the character arrangement area in the highlighted special area; and a battle processing unit configured to control attack processing in which the character arranged in the special area performs an attack and attack processing in which a character arranged in an area other than the special area performs an attack to be different. | 03-06-2014 |
20140073436 | GAME PROCESSING SERVER APPARATUS AND GAME PROCESSING SERVER SYSTEM - A game processing server apparatus, to which plural terminal devices each being operated by a player are connected via a network, configured to provide a game service to the plural terminal devices, includes a player management unit which manages an association of a target player with other plural players; and an event management unit which controls a generation of a predetermined event, manages an event generation status for each of the target player and the players associated with the target player, determines whether a specific event is already generated for the target player and the players associated with the target player by referring to the event generation status for each of the target player and the players associated with the target player, determines, based on the determined result, an event to be generated for the target player. | 03-13-2014 |
20140094317 | INFORMATION PROCESSING DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM - An information processing device configured to control a game in which a plurality of teams competes in a game field including a plurality of unit areas for occupation of the unit area, the information processing device includes: an occupant team determination unit configured to determine a team to occupy the unit area; a point providing unit configured to provide a point set to the unit area to a team to occupy the unit area; a storage unit configured to store an acquired point of each of the teams; a comparison unit configured to compare the acquired points of the teams; and a special area setting unit configured to set a special area that provides a special point in the unit area at a position where a team having a few acquired points more easily occupies the special area than a team having many acquired points from among the plurality of unit areas in accordance with the compared acquired points of the teams. | 04-03-2014 |
20140113730 | NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND INFORMATION PROCESSING DEVICE - A computer-readable storage medium non-transitorily storing a game program for causing a computer that includes a processor and a memory to execute a game played by a player using a game content for which a parameter that can be increased to an upper limit value is set,
| 04-24-2014 |
20140323228 | VIDEO GAME SYSTEM FOR FLEXIBLY GROUPING COOPERATIVE PLAYERS - In the present invention, a game system includes a game program storage unit, a group information management unit, a play history storage unit, and a group information update unit. The game program storage unit stores a game program for executing a game to be provided to a plurality of terminal devices. The group information management unit stores player identification information identifying each of a plurality of players of the game and group identification information identifying a group which includes the player, in association with each other. The play history storage unit stores a play history of each of the plurality of players for the game. The group information update unit changes an association stored in the group information management unit between player identification information identifying a first player among the plurality of players and group identification information, at least partially in accordance with the play history of the first player. | 10-30-2014 |
20140335954 | SERVER DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING GAME PROGRAM - A server device according to the present invention is connected with a player terminal that displays a game screen through a network, and to execute a battle game played by a player using a plurality of characters. The server device includes: a storage unit configured to store the plurality of characters to be arranged in the character arrangement area; a special area selection unit configured to select a special area to be highlighted on a game screen; a character arrangement unit configured to arrange a character selected from the plurality of characters to be arranged in the character arrangement area in the highlighted special area; and a battle processing unit configured to control attack processing in which the character arranged in the special area performs an attack and attack processing in which a character arranged in an area other than the special area performs an attack to be different. | 11-13-2014 |