Patent application number | Description | Published |
20110076524 | Fuel Cell Power System and Operating Method Thereof - A fuel cell power system and an operating method thereof are proposed in which, the power generation performance of the fuel cell is effectively recovered in a short period of time without additionally requiring any reducing agent or an inactive gas and while minimizing the degradation of the catalyst in use. The fuel cell power system includes a fuel cell stack in which a plurality of cells each having a membrane electrode assembly and a separator are stacked and a secondary battery which can be charged by power generated by the fuel cell stack. The fuel cell power system can supply power from either the fuel cell stack or the secondary battery to an external device. The fuel cell power system is provided with a power generation cell connection/disconnection mechanism for individually connecting and disconnecting a conductor for electrical conduction between the anode and cathode of each cell included in the fuel cell stack which controlled by a control unit. | 03-31-2011 |
20110076591 | MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL - An object of the present invention is to provide a membrane electrode assembly for a fuel cell that influences less system efficiency of the fuel cell and reduces the amount of emission of hazardous materials for a long period of time. | 03-31-2011 |
20110123897 | MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL USING THE SAME - In a membrane-electrode assembly comprising an anode, a cathode and a polymer electrolyte membrane and having a constitution in which the polymer electrolyte membrane is interleaved between the anode and the cathode, an agglomerate structure of carbon support formed with a plurality of carbon primary particles supporting catalyst particles is contained in the anode and the cathode, and particulate media having polymer electrolyte on the surface thereof are contained between adjacent agglomerate structures of carbon supports. | 05-26-2011 |
20110256468 | ELECTRODE CATALYST MATERIAL AND METHOD OF MANUFACTURING THE SAME - The invention provides an electrode catalyst material in which a resistance loss is reduced by enhancing an electric conductivity as a whole of an electrode catalyst as well as suppressing a corrosion and a disappearance by a catalyst metal in a conductive catalyst support so as to prevent a dropout and an aggregation of a catalyst metal particle, and a method of manufacturing the same. The electrode catalyst material in accordance with the present invention is an electrode catalyst material for a fuel cell having a catalyst metal particle and a carbon support supporting the catalyst metal particle, in which a carbon support protection layer including a metal element is formed in a coating manner on a surface of the carbon support, a silicone is included at 20 atomic % or more in the metal element contained in the carbon support protection layer, and the silicone exists in a state of an oxide and a carbide. | 10-20-2011 |
20120028166 | CATALYST MATERIAL AND METHOD OF MANUFACTURING THE SAME - It is an object to inhibit a corrosion and disappearance of carbon included in a catalyst carrier to enhance the durability of a fuel cell. | 02-02-2012 |
20120107721 | POLYMER ELECTROLYTE MEMBRANE, AND MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - Disclosed is a fuel cell in which a membrane electrode assembly less undergoes increase in ion conduction resistance, and a polymer electrolyte membrane less undergoes deterioration. Specifically, the polymer electrolyte membrane includes a first membrane and a second membrane being two different membranes composed of polymer electrolytes having different ion-exchange capacities, in which the first membrane has an area of one surface thereof equal to or larger than an area of one surface of an anode or a cathode, and the second membrane has an area of one surface thereof smaller than that of the first membrane and is arranged in a gas inflow region on a side being in contact with the cathode. The second membrane has an ion-exchange capacity smaller than that of the first membrane or has a number-average molecular weight larger than that of the first membrane. | 05-03-2012 |
20120164554 | MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL WITH THE SAME, AND FUEL CELL GENERATING SYSTEM - A membrane electrode assembly for a fuel cell comprises a solid polymer electrolyte membrane, an anode being formed on one side of the solid polymer electrolyte membrane and containing a catalyst and a solid polymer electrolyte, a cathode being formed on another side of the solid polymer electrolyte membrane and containing a catalyst and a solid polymer electrolyte, an anode gas diffusion layer formed on one side of the anode, and a cathode gas diffusion layer formed on one side of the cathode. In addition, a formic acid oxidation electrode containing palladium and a solid polymer electrolyte is formed between the anode gas diffusion layer and the anode. | 06-28-2012 |
20120264027 | FUEL-CELL BIPOLAR PLATE AND FUEL CELL USING THE SAME - Disclosed is a bipolar plate for a fuel cell including a bipolar plate substrate; and a byproduct-decomposing layer covering the bipolar plate substrate, the bipolar plate has channels for transport of a reactant gas, the channels being arranged on a surface of the bipolar plate substrate, and the bipolar plate has a first side to face an anode catalyst layer of the fuel cell and a second side to face a cathode catalyst layer of the fuel cell. The byproduct-decomposing layer is arranged on at least one of the first side and the second side, includes a catalyst, and is capable of decomposing a byproduct formed as a result of a reaction of the fuel cell. The bipolar plate enables long-term control of discharge of formic acid and other byproducts without deterioration in system efficiency of the fuel cell. | 10-18-2012 |
20120264029 | FUEL CELL SYSTEM - A fuel cell system which suppresses a decrease in system efficiency of a fuel cell and, at the same time, allows an emission amount of harmful materials to be reduced for an extended period of time is disclosed. The fuel cell system includes a fuel cell stack generating electric power by chemical reaction between liquid fuel supplied to an anode and oxidant gases supplied to a cathode, and an exhaust mechanism discharging to an outside of the system exhaust gases discharged from the anode of the fuel cell stack, the exhaust mechanism being adapted to emit the exhaust gases into liquid in a tank storing the liquid fuel or water and, thereafter, discharge the exhaust gases to the outside of the system. | 10-18-2012 |
20130052560 | MEMBRANE-ELECTRODE-ASSEMBLY AND FUEL CELL - A membrane-electrode-assembly contains two or more types of solid polymer electrolytes having different acid dissociation constants in an electrode catalyst layer, a solid polymer electrolyte of small acid strength covers the surface of a catalyst, and a solid polymer electrolyte of large acid strength is disposed to the periphery thereof, which makes the resistance to dissolving of the catalyst metal and the ion conductivity in the catalyst electrode layer compatible. | 02-28-2013 |
20130084512 | FUEL BATTERY SYSTEM - A fuel battery system of the present invention includes: an alkaline fuel battery; a fuel supply device for supplying a fuel to an anode of the fuel battery; an oxidizing agent supply device for supplying an oxidizing agent to a cathode of the fuel battery; a liquid supply device which supplies a liquid to the cathode; a valve which switches between fluids to be supplied to the cathode; and a control device which controls the switching of the valve. The fuel battery system suppresses the neutralization of an anion-exchange electrolyte due to carbon dioxide in the air, by supplying the liquid from the liquid supply device to the cathode and making the cathode in the state of being immersed in the liquid when the fuel battery stops power generation. | 04-04-2013 |
Patent application number | Description | Published |
20110064352 | OPTICAL WAVEGUIDE ELECTRO-OPTIC DEVICE AND PROCESS OF MANUFACTURING OPTICAL WAVEGUIDE ELECTRO-OPTIC DEVICE - An optical waveguide electro-optic device including: a support substrate; an optical waveguide which has a core layer formed of a ferroelectric material, and is formed on an upper side of the support substrate; a lower electrode layer formed on a lower side of the core layer and which is adhered to the support substrate through an adhesion layer; an upper electrode layer formed on an upper side of the core layer; and an external electrode part, wherein the optical waveguide has an incidence plane from where light enters and an outgoing plane from where the light exits, the core layer has a polarization inversion region and a polarization non-inversion region, the upper electrode layer has a plane in such a shape that a width of the plane expands from a side of the incidence plane toward a side of the outgoing plane, to cover the polarization inversion region of the core layer, and the lower electrode layer is connected electrically to the external electrode part on the side of the incidence plane. | 03-17-2011 |
20110069367 | OPTICAL SCANNER - An optical scanner includes a light source, an optical splitter which splits light from the light source into a plurality of light beams, an input optical element on which the light beams split by the optical splitter are incident, a driver which generates a voltage signal, an optical deflector which comprises at least two deflector portions formed close to each other on a same substrate and individually supplied with an electric action of the driver so as to capture and deflect the incident light beams using the electric action, and an output optical element which emits the deflected light beams to an image plane, wherein the optical scanner is configured to scan the image plane with the light beams by adjusting the voltage signal of the driver. | 03-24-2011 |
20120063715 | MANUFACTURING METHOD FOR ELECTROOPTIC ELEMENT AND OPTICAL DEFLECTOR INCLUDING ELECTROOPTIC ELEMENT - An electrooptic element includes an optical waveguide layer made from a ferroelectric material and having a polarization inverted region of a predetermined shape having an optical incidence face and an optical exit face, and an upper electrode layer and a lower electrode layer formed on a top face and a bottom face of the optical waveguide layer, respectively, in which the ferroelectric material is magnesium-oxide-doped lithium niobate, and at least one of the optical incidence face and the optical exit face of the optical waveguide layer is formed in parallel with a crystal face of the ferroelectric material. | 03-15-2012 |
20120155824 | ELECTRO-OPTICAL ELEMENT - An electro-optical element includes a core layer made of an electro-optical material, a clad structure disposed on each of opposite sides of the core layer and configured to form an optical waveguide together with the core layer, and a pair of electrode layers, one of which being disposed on one side of the clad structure and another being disposed on another side of the clad structure. The clad structure includes a first clad layer and a second layer. The second clad layer has a dielectric permittivity larger than that of the first clad layer, and the second clad layer has a thickness thicker than that of the first clad layer. | 06-21-2012 |
Patent application number | Description | Published |
20110063705 | MULTIBEAM DEFLECTOR FOR SEPARATING BEAMS OUTPUT FROM OPTICAL DEFLECTION DEVICES - A multibeam deflector includes a plurality of optical deflection devices formed on a single substrate and an output optical system. Each of the optical deflection devices includes a slab optical waveguide formed by a material having an electro-optic effect. The output optical system is configured to separate beams output from the optical deflection devices from each other. | 03-17-2011 |
20120237241 | FIXING DEVICE, IMAGE FORMING APPARATUS, COMPUTER READABLE MEDIUM, AND FIXING METHOD - A fixing device includes a fixing member that fixes a toner image on a recording material, a pressure applying member that is pressed against an outer peripheral surface of the fixing member and forms a press-fixing part therebetween through which the recording material having an unfixed toner image is transported, a heating unit that heats the fixing member, and a pressure-applying-member-moving unit that moves the pressure applying member and changes the pressure applying member between being pressed against the outer peripheral surface of the fixing member and being spaced apart from the outer peripheral surface of the fixing member. The heating unit heats the fixing member at the start of a fixing operation under heating conditions corresponding to a change in the state of the fixing member occurring when the pressure applying member is pressed against the outer peripheral surface of the fixing member by the pressure-applying-member-moving unit. | 09-20-2012 |
20130077083 | OPTICAL BEAM SCANNER AND LASER RADAR UNIT - An optical beam scanner includes a light source, an optical scanner configured to scan a light beam irradiated from the light source, and an input optical system configured to direct the light beam irradiated from the light source to the optical scanner, wherein the optical scanner includes a rotating mirror configured to rotate around a rotational axis and reflect the light beam irradiated from the light source; the rotating mirror is rotated around the rotational axis so that the light beam is irradiated on differing positions of a mirror surface of the rotating mirror; and the mirror surface of the rotating mirror has a mirror surface inclining angle with respect to a direction parallel to the rotational axis that is arranged to gradually increase from a first side to a second side of the rotating mirror in a direction parallel to a plane perpendicular to the rotational axis. | 03-28-2013 |
20130120734 | LASER RADAR APPARATUS - A laser radar apparatus includes a light source; a light scanning unit configured to scan light irradiated from the light source; a light receiving unit configured to receive light that is reflected by an object, the light being irradiated from the light scanning unit onto the object and reflected by the object; and a porous member arranged between the object and the light receiving unit, the porous member including plural through holes. | 05-16-2013 |
20130183056 | FIXING DEVICE, IMAGE FORMING APPARATUS, FIXING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - A fixing device includes a first rotation member, a fixing member, a determining unit, and a magnetic field generating unit. The first rotation member rotates around a first axis. The fixing member includes a second rotation member which rotates around a second axis while being in contact with the first rotation member, and which generates heat by using electromagnetic induction in an alternating-current magnetic field. The fixing member fixes an image onto a medium in a region where the first rotation member and the second rotation member come into contact with each other. The determining unit determines whether or not a current state is a certain state where the medium or an image formed on the medium is passing through the region. The magnetic field generating unit generates an alternating-current magnetic field in a space including the second rotation member. | 07-18-2013 |
20130195489 | FIXING DEVICE, IMAGE FORMING APPARATUS, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - A fixing device includes a fixing unit, a power supply unit, a pressure applying unit, and a controller. The fixing unit fixes toner onto a recording medium, using heat generated by a heat generator. The power supply unit supplies power to drive the fixing unit. The pressure applying unit applies pressure to the recording medium in a nip part between the pressure applying unit and the fixing unit. When plural recording media are sequentially transported, the controller controls the power supply unit to supply power during a first time period from when a trailing edge of one of the recording media passes the nip part to when a leading edge of the subsequent recording medium arrives at the nip part, in accordance with a relationship between the first time period and a second time period required to start the supply of power after the supply of power is stopped. | 08-01-2013 |
20130195491 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes a fixing member including a heat generating layer that generates heat by induction, the fixing member fixing images onto plural recording media that are successively supplied thereto with heat generated from the heat generating layer; a pressure member that contacts the fixing member and forms a nip between the pressure member and the fixing member, the nip allowing the recording media to pass therethrough; an induction heating unit that inductively heats the heat generating layer of the fixing member; and a controller that controls a manner in which the induction heating unit heats the heat generating layer when the plural recording media successively pass through the nip in accordance with a total of times during which the recording media are not present in the nip, the total of times being measured from when the recording media started passing through the nip. | 08-01-2013 |
20130195492 | FIXING DEVICE, IMAGE FORMING APPARATUS, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - A fixing device includes a fixing unit, a power controller, a pressure applying unit, and a timing controller. The fixing unit fixes toner onto a recording medium transported in a determined transport direction, by using heat generated by a heat generator. The power controller controls supply of power for heating the fixing unit. The pressure applying unit applies pressure to the recording medium in a nip part formed between the pressure applying unit and the fixing unit. The timing controller controls the power controller to start supply of the power at a time which is a determined time period prior to an arrival time at which a leading edge of the recording medium in the transport direction arrives at the nip part. | 08-01-2013 |
20130229645 | DISTANCE MEASURING DEVICE - Disclosed is a distance measuring device configured to irradiate an object with light and receive reflected light therefrom to measure a distance from the object, including a light source device having at least one light-emitting part, a deflection part being provided rotatably around a predetermined axis line and having plural deflection faces configured to reflect light from the light source device toward the object, a reflection part being provided rotatably around the axis line and integrally with the deflection part and having plural reflection faces being provided to correspond to the plural deflection faces individually and reflecting a portion of light reflected from a corresponding deflection face and reflected from the object, and a light-receiving part having at least one light-receiving element configured to receive light reflected from the reflection part, wherein respective inclination angles of the plural deflection faces with respect to the axis line are mutually different. | 09-05-2013 |
20140002878 | LASER SCANNER | 01-02-2014 |
20140003062 | LIGHT SOURCE UNIT | 01-02-2014 |
20140009747 | LASER RADAR DEVICE - Disclosed is a laser radar device including a modulated light beam generator that emits light beams to a target, a photodetector that receives reflected light; a reflected light condenser that condenses the reflected light; a rotator that rotates around a rotation axis; and mirrors included in the rotator that scan the light beams, and guide the reflected light to the reflected light condenser, wherein an angular detection range in a vertical direction is divided into a plurality of layers, wherein mirror surfaces of the mirrors are tilted by corresponding tilt angles relative to the rotation axis, the tilt angles being different from each other, wherein the modulated light beam generator emits the light beams in the vertical direction, the light beams having different emission angles, and wherein a difference between the emission angles corresponds to the angular detection range of one layer in the vertical direction. | 01-09-2014 |
20140034817 | OBJECT DETECTION APPARATUS - An object detection apparatus includes an incident optical system, which includes light source units and a combining unit combining light beams emitted from the light source units; a deflection unit including rotating reflection parts that deflect the light beams to scan and be irradiated on a predetermined range of an object; an imaging unit forming an image based on the light from the predetermined range of the object; and an optical detection unit detecting the object based on the light received via the imaging unit. Further the combining unit combines the light beams such that each of the combined light beams passes a single light path when projected onto a predetermined plane, and each of the light paths exists outside a region of the deflection unit when projected onto the first plane. | 02-06-2014 |
20140071428 | DISTANCE MEASUREMENT APPARATUS - A distance measurement apparatus that measures distance to a target by irradiating the target with laser beams and detecting light reflected by the target includes a light projection unit. The distance measurement apparatus also includes a plurality of light emission units to emit a plurality of laser beams onto the target while setting optical paths of the plurality of laser beams radially along a given virtual plane; and a light receiving unit including a plurality of light receivers to receive the plurality of laser beams projected from the light projection unit and reflected by the target. | 03-13-2014 |
20140358418 | DRIVE ASSIST DEVICE, AND VEHICLE USING DRIVE ASSIST DEVICE - A drive assist device includes a light source that irradiates a detection target with light, a first lens having a first area through which the irradiated light from the light source passes, a second lens having a second area through which reflected light reflected from the detection target passes, and a light receiving element that receives the reflected light that passes the second lens. The first area and the second area are arranged to be in align with each other, in width direction of the drive assist device. | 12-04-2014 |
20150029487 | DETECTION APPARATUS AND VEHICLE - A detection apparatus attachable to a structure includes a transmission unit to transmit a transmission signal; a receiving unit to receive a reflection signal of the transmission signal reflected from a detection target; and a detection processing unit to detect the detection target based on the reflection signal. The structure includes a transmission translucent portion and a receiving translucent portion. The transmission signal having a given wavelength range passes through the transmission translucent portion, and the reflection signal having a given wavelength range passes through the receiving translucent portion. | 01-29-2015 |
20150243017 | OBJECT RECOGNITION APPARATUS AND OBJECT RECOGNITION METHOD - An object recognition apparatus includes a first object detection unit configured to detect an object based on an image captured by an imaging unit, and output first information including a distance and a direction to the object; a second object detection unit configured to emit light, detect the object based on reflected light, and output second information including a distance and a direction to the object; an output unit configured to output at least one of the first information and the second information; a disappearance detection unit configured to detect disappearance upon when the first object detection unit becomes unable to detect the object; and an emission control unit configured to control the second object detection unit to emit light in an object direction based on the first information before detecting the disappearance. Upon the disappearance detection unit detecting the disappearance, the output unit starts outputting the second information. | 08-27-2015 |