Patent application number | Description | Published |
20090074441 | IMAGE FORMING APPARATUS - An image forming apparatus is provided that has a first pressurizing member, a heating member, a belt member laid across the heating member and the first pressurizing member in a tensioned state, the belt member being heated by the heating member, a second pressurizing member arranged at such position that the second pressurizing member is pressed against the first pressurizing member via the belt member, a fixing unit for fixing a developer image on a medium between the belt member and the second pressurizing member, a heating control unit for controlling heating of the heating member to drive a temperature of the heating member toward a predetermined target temperature, and a first temperature detection unit for detecting a temperature of the first pressurizing member, wherein the heating control unit determines the targeted temperature based on the temperature of the first pressurizing member detected by the first temperature detection unit. | 03-19-2009 |
20090136245 | IMAGE FORMING APPARATUS - An image forming apparatus forming an image by fixing a developer on a recording medium with heat includes a fixing member, a pressure member, a drive unit, a heat unit, a temperature detection unit, a control unit, and a temperature record storing unit. The fixing member is rotatably supported and heats the recording medium. The pressure member presses against the fixing member. The drive unit rotationally drives the fixing member. The heat unit heats the fixing member. The temperature detection unit detects temperature of the fixing member. The control unit controls the heat unit and the drive unit. The temperature record storing unit stores a temperature record of the temperature detection unit. The control unit controls, based on the temperature record of the temperature record storing unit, a rotation drive of the drive unit in a case of non-fixing. | 05-28-2009 |
20100142987 | Fixing device and image forming apparatus - A fixing device includes a heater, first and second pressure-applying members, a belt support member, a fixing belt, a contact member and a temperature detector. The fixing belt is entrained about the heater, the first pressure-applying member and the belt support member. The second pressure-applying member opposes the first pressure-applying member through the fixing belt. The contact member, which extends in the width direction of the fixing belt, is in contact with an inner surface of the fixing belt. The temperature detector, which is disposed between the belt support member and the contact member, detects a temperature of the fixing belt through the contact member. | 06-10-2010 |
20100239300 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a heat transfer member having a width extending along a direction orthogonal to a medium conveying direction along which a medium is conveyed, the heat transfer member transferring heat from a heater to the medium; the heater provided along substantially the entire width of the heat transfer member and configured to heat the heat transfer member so as to heat the medium via the heat transfer member; a temperature detector configured to detect the temperature of the widthwise center of the heat transfer member; a temperature setting unit configured to set a target temperature by correcting a default target temperature, depending on the difference between the default target temperature and the temperature that is detected by the temperature detector when the heater starts to heat; a heat controller configured to control the heater to make the temperature detected by the temperature detector the target temperature. | 09-23-2010 |
20100290796 | HEATING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A heating device includes: a driving member configured to rotate; a driven member configured to rotate with the rotation of the driving member; a heater configured to heat a surface of one of the driving member and the driven member; a temperature detector configured to measure the temperature of the heated surface; and a controller operable to control heating of the heater based on the measurement result of the temperature detector. The controller includes: a calculator operable to calculate a change ratio of a slope of a temperature change of the heated surface with time, based on a first temperature detected by the temperature detector at a first time point and a second temperature detected by the temperature detector at a second time point a predetermined time interval after the first time point; and a determiner operable to determine that an abnormality occurs when the change ratio exceeds a threshold. | 11-18-2010 |
20110135334 | FIXING DEVICE AND IMAGE FORMING APPARATUS - An invented fixing device having a fixing roller for fixing developer to a recording medium and plural fixing heaters for heating the fixing roller includes a temperature detection unit as well as a thermistor for detecting the temperature of the fixing roller, a RAM storing the switching temperature for switching drive of the fixing heaters, a heater selection unit for selecting some of the fixing heaters to be driven based on the switching temperature and the detected temperature of the fixing member detected through the temperature detection unit, and a heat control unit for selectively driving the fixing heater selected by the heater selection unit. | 06-09-2011 |
20110200344 | IMAGE FORMING APPARATUS - When the temperature of a fixing section has not reached a fixable temperature and the condition of an image forming apparatus is an abnormal temperature rising condition, a print controller causes a toner image conveying section to move a toner image on an intermediate transfer member to a predetermined toner image standby position upstream of a secondary transfer section and to put the toner image on standby at the toner image standby position, and causes a recording medium conveying section to put a recording medium on standby at a predetermined sheet standby position upstream of the secondary transfer section. Thereafter, when the temperature of the fixing section reaches the fixable temperature, the print controller causes the secondary transfer section to transfer the toner image on the intermediate transfer member onto the recording medium. | 08-18-2011 |
20120148280 | IMAGE FORMING APPARATUS - An image forming apparatus includes a fixing member; a pressing member; a first temperature detection unit for detecting a temperature of the fixing member; a second temperature detection unit for detecting a temperature of the pressing member; and a rotational speed control unit for controlling a rotational speed of the fixing member according to the temperature detected with the first temperature detection unit and the temperature detected with the second temperature detection unit. | 06-14-2012 |
20130272732 | IMAGE FORMING APPARATUS - An image forming apparatus includes a fixing member configured to fix an image to a medium by heating the medium, a heating member configured to heat the fixing member, a pressure member pressed against the fixing member so as to presses the medium against the fixing member, a first temperature detection unit for detecting a temperature of the fixing member, a second temperature detection unit for detecting a temperature of the pressure member, and a control unit that controls a rotation speed of the fixing member. The control unit controls the rotation speed of the fixing member based on a temperature difference between the temperature detected by the first temperature detection unit and the temperature detected by the second temperature detection unit. | 10-17-2013 |
20140147150 | FUSER CONTROL DEVICE, FUSER CONTROL METHOD AND IMAGE FORMING APPARATUS - A fuser control device that controls a fuser that heats and fuses developer on a medium for an image formation on the medium includes the fuser including a heating member that rotates while contacting and heating the medium, and a rotation member that rotates and sandwiches the medium with the heating member; a heat supply part that supplies heat to the heating member; a temperature detection part that detects a temperature of the heating member; a heating controller that controls the heat supply part based on a detection result by the temperature detection part; and a rotation controller that controls a rotational speed of the heating member. | 05-29-2014 |
20140294418 | FUSER CONTROL DEVICE AND IMAGE FORMING APPARATUS - A fuser control device includes a fuser device that a holding member holds configured to fuse a developing image to a printing medium, a fuser heater that is installed at the holding member configured to generate heat for at least a central part and side parts of a heat application roller, a first temperature detection part configured to detect a temperature of the fuser device and configured to transmit the temperature of the fuser device as a first detecting temperature, a second temperature detection part configured to detect a temperature of the holding member and configured to transmit the temperature of the holding member as a second detecting temperature, and a heat application control unit configured to control the temperature of the fuser device with changing a targeting temperature for the fuser device based on a controlling condition, wherein an amount of heat generation. | 10-02-2014 |
20140369708 | FUSER CONTROL DEVICE AND IMAGE FORMING APPARATUS - A fuser control device includes a heat application part for heat supply, a fuser part that has a passage region where a print medium passes through and a not-passage region that is located at both sides of the passage region where the print medium does not pass through, and a first temperature detection part that detects a first temperature of the passage region, a second temperature detection part that detects a second temperature of the not-passage region, and a heat application controller that changes a target temperature according to the first detection temperature and the second detection temperature, and performs the heat generation such that a temperature of the fuser part approaches the target temperature. | 12-18-2014 |
Patent application number | Description | Published |
20090035602 | HIGH-STRENGTH STEEL WITH EXCELLENT UNSUSCEPTIBILITY TO HYDROGEN EMBRITTLEMENT - A high-strength steel excellent in hydrogen embrittlement resistance is provided. The high-strength steel of the present invention excellent in hydrogen embrittlement resistance has a tensile strength of 1800 N/mm | 02-05-2009 |
20100035118 | ALLOY FILM FOR A METAL SEPARATOR FOR A FUEL CELL, A MANUFACTURING METHOD THEREOF AND A TARGET MATERIAL FOR SPUTTERING, AS WELL AS A METAL SEPARATOR, AND A FUEL CELL - The present invention concerns an alloy film for a metal separator for a fuel cell characterized by containing at least one noble metal element selected from Au and Pt and at least one non-noble metal element selected from the group consisting of Ti, Zr, Nb, Hf, and Ta, at a content ratio of noble metal element/non-noble metal element of 35/65 to 95/5, and having a film thickness of 2 nm or more. The present invention also relates to a manufacturing method of an alloy film for the metal separator for the fuel cell and a target material for sputtering, as well as the metal separator and the fuel sell. The alloy film for the metal separator for the fuel cell according to the invention is excellent in the corrosion resistance, has low contact resistance, can maintain the low contact resistance for a long time even in a corrosive environment, and is excellent further in the productivity. | 02-11-2010 |
20100119882 | TITANIUM ELECTRODE MATERIAL - A titanium material for an electrode comprising
| 05-13-2010 |
20100119913 | METAL SEPARATOR FOR FUEL CELL AND MANUFACTURING METHOD THEREOF - A metal separator | 05-13-2010 |
20100151358 | METHOD FOR MANUFACTURING FUEL CELL SEPARATOR, FUEL CELL SEPARATOR AND FUEL CELL - A method for manufacturing a fuel cell separator, including: forming by a PVD method a precious metal layer on a surface of a substrate, as a fuel cell separator, made of Ti or a Ti alloy, wherein the precious metal layer includes at least one precious metal selected from Ru, Rh, Pd, Os, Ir, Pt and Au and has a thickness of 2 nm or more, and a heat treatment wherein the substrate on which the precious metal layer was formed in the precious metal layer forming is subjected to a heat treatment at a predetermined heat treatment temperature and under a predetermined oxygen partial pressure. According to the method, a fuel cell separator made of Ti or a Ti alloy having excellent corrosion resistance, good adhesion of a precious metal layer, low contact resistance, and further excellent productivity can be produced. | 06-17-2010 |
20100195231 | REFLECTION FILM, REFLECTION FILM LAMINATE, LED, ORGANIC EL DISPLAY, AND ORGANIC EL ILLUMINATING INSTRUMENT - The present invention provides a reflection film, a reflection film laminate which are less likely to undergo agglomeration or sulfidation of an Ag thin film due to heat, and a LED, an organic EL display, and an organic EL illuminating instrument, each including any of these. The reflection film in accordance with the present invention is a reflection film formed on a substrate, characterized by being an Ag alloy film including Ag as a main component, and Bi in an amount of 0.02 atomic percent or more, and further including one or more of V, Ge, and Zn in a total content of 0.02 atomic percent or more, and satisfying the following expression (1): | 08-05-2010 |
20110318607 | ALUMINUM ALLOY REFLECTIVE FILM, AUTOMOBILE LIGHT, ILLUMINATOR, ORNAMENTATION, AND ALUMINUM ALLOY SPUTTERING TARGET - Provided is an Al alloy reflective film which does not require a protective film in that it has excellent alkali resistance (resistance to alkali corrosion), acid resistance (resistance to acid corrosion) and humidity resistance (resistance to a high-temperature, humid environment) even if there is no protective film, and which contains 2.5 to 20 at % of at least one element selected from Gd, La, Y, Sc, Tb, Lu, Pr, Nd, Pm, Ce, Dy, Ho, Er, and Tm, with the balance being Al and inevitable impurities. Also provided are an automobile light, illuminator, and ornamentation having such an Al alloy reflective film. Further provided is an Al alloy sputtering target, which is for forming such an Al alloy reflective film and which contains 2.5 to 35 at % of at least one element selected from Gd, La, Y, Sc, Tb, Lu, Pr, Nd, Pm, Ce, Dy, Ho, Er, and Tm, with the balance being Al and inevitable impurities. | 12-29-2011 |
20120064370 | ALUMINUM ALLOY REFLECTIVE FILM, REFLECTIVE FILM LAMINATE, AUTOMOTIVE LIGHTING DEVICE, ILLUMINATION DEVICE, AND ALUMINUM ALLOY SPUTTERING TARGET - Disclosed is an Al alloy reflective film which has a higher reflectance than that of pure Al films when produced by sputtering, excels in alkali resistance, acid resistance, and moisture resistance, and therefore less suffers from the reduction in reflectance even when a protective coating is not applied. Specifically disclosed is an Al alloy reflective film which contains at least one element selected from Sc, Y, La, Gd, Tb, and Lu in a total amount of from 0.4 to 2.5 atomic percent, with the remainder being Al and inevitable impurities. The Al alloy reflective film has a film surface roughness of 4 nm or less as measured with an atomic force microscope. Also disclosed are an automotive lighting device and an illumination device each provided with the reflective film. Further disclosed is an Al alloy sputtering target for use in the formation of the reflective film. | 03-15-2012 |
20140287319 | ELECTRODE MATERIAL, ELECTRODE MATERIAL MANUFACTURING METHOD, ELECTRODE, AND SECONDARY BATTERY - An electrode material which has excellent tab weldability, realizes reduction of a contact resistance with an active material layer, and has good adhesion with a conductive material disposed in an island shape, is provided. An electrode material | 09-25-2014 |
20140329153 | ELECTRODE MATERIAL, ELECTRODE AND SECONDARY BATTERY - An electrode material for a secondary battery, which realizes a lowered contact resistance between the electrode material and an active material layer, is provided. A collector (electrode material) includes: a substrate | 11-06-2014 |