Patent application number | Description | Published |
20080272767 | POSITION DETECTING CIRCUIT AND IMAGING APPARATUS - A position detecting circuit provided in an imaging apparatus having an optical system that images a subject image, an imaging element that performs photoelectric conversion of the subject image, and a release switch capable of setting states of two stages includes: a plurality of magnetic field change detecting elements that detect the intensity of a magnetic field formed by a magnetic field generating body attached to either the optical system or the imaging element and that are provided so as to be separated from each other; a position detecting portion that detects the position of the magnetic field generating body on the basis of outputs from the plurality of magnetic field change detecting elements; and a standby portion that stops a function of at least one of the position detecting portion and the plurality of magnetic field change detecting elements until a first stage of the release switch is set. | 11-06-2008 |
20090148145 | SHAKE DETECTOR - A shake detector includes: a shake detection unit that detects an amount of shake, and outputs a shake detection signal and a reference signal; a signal processing unit that amplifies and smoothes the shake detection signal and the reference signal, and outputs the shake detection signal as a signal used in subsequent processing; an adjustment unit that outputs an adjustment signal for adjusting an output signal from the signal processing unit; and a control operation unit that, in a first period for which there is no shake in the imaging apparatus, stores a control value for controlling the adjustment unit on the basis of the reference signal, and that, in a second period different from the first period, generates a control signal for controlling the adjustment unit on the basis of the reference signal and the stored control value and outputs the control signal. | 06-11-2009 |
20110074987 | IMAGING DEVICE - An A/D conversion section ( | 03-31-2011 |
20110090108 | A/D CONVERSION CIRCUIT - An A/D conversion circuit includes: a pulse transit circuit into which either a power supply or current source and also a pulse signal is input, and through which the pulse signal transits; a transit position detection section that detects a transit position of the pulse signal within the pulse transit circuit, and outputs data in accordance with the transit position; and a digital data creation section that, based on the data output by the transit position detection section, creates digital data that corresponds to the size of the power supply or current source. The pulse transit circuit is formed by a plurality of inverter circuits that are joined together in series, and the plurality of inverter circuits are formed by identical logical elements in which delay times between input signals and output signals change in accordance with the size of the power supply or current source. In the pulse transit circuit, a start-up signal that causes the transiting of the pulse signal to commence is input into one of the plurality of inverter circuits, and the transit position detection section detects the transit position of the pulse signal within the pulse transit circuit based on the output signals from each one of the plurality of inverter circuits. | 04-21-2011 |
20110164160 | IMAGE PICKUP DEVICE - An A/D conversion unit ( | 07-07-2011 |
20110221621 | A/D CONVERSION CIRCUIT - An A/D conversion circuit includes a pulse transit circuit, first and second pulse transit position detection circuits, and a digital signal generation circuit. The first pulse transit position detection circuit detects a transit position of the pulse signal output from the pulse transit circuit and generates a logical signal according to the transit position. The second pulse transit position detection circuit detects the circling number of the pulse signal output from the pulse transit circuit and generates a logical signal according to the circling number. The digital signal generation circuit synthesizes the logical signals output from the first and second pulse transit position detection circuits and generates a digital signal according to a size of an analog signal VA. The pulse transit circuit is configured so that a sum of the number of the inverting circuits that the pulse signal transits in an N-th period (N denotes a natural number) and the number of the inverting circuits that the pulse signal transits in an (N+1)-th period is a power of 2. | 09-15-2011 |
20110254626 | AMPLIFICATION CIRCUIT - An amplification circuit may include an input differential pair including a first transistor receiving a positive input voltage and a second transistor receiving a negative input voltage, a first resistor that generates a difference current corresponding to a difference voltage between the positive input voltage and the negative input voltage, an output differential pair including a third transistor supplying a negative output voltage and a fourth transistor supplying a positive output voltage, a second resistor connected to a reference voltage to receive the difference current generated by the first resistor, and a bias circuit that supplies a bias current to the first transistor, the second transistor, the third transistor, and the fourth transistor. The first transistor, the second transistor, the third transistor, and the fourth transistor may have the same polarity. | 10-20-2011 |
20120039588 | A/D CONVERSION CIRCUIT, SIGNAL PROCESSING CIRCUIT, AND SHAKE DETECTION DEVICE - The A/D conversion circuit may include A/D conversion units each of which converts input analog signals into digital signals, a switch unit that receives a first and second analog signals among the analog signals, the switch unit alternately switching output destinations of the first and second analog signals input in the same period to the A/D conversion units in each sampling cycle of the A/D conversion units; and an arithmetic unit that performs a differential operation between a result of addition of the digital signals output from the A/D conversion units to which the first analog signal is input and a result of addition of the digital signals output from the A/D conversion units which the second analog signal is input, the arithmetic unit outputting a third digital signal corresponding to a result of the differential operation. | 02-16-2012 |
Patent application number | Description | Published |
20100047453 | INK COMPOSITION FOR INK-JET PRINTING AND PRINTING METHOD - An ink composition for ink-jet printing contains a water-soluble dye having an anthraquinone skeleton and a water solubility of 50 g/L or less at 30° C. and at least one polyoxyethylene alkyl ether having an HLB of 11.4 to 18.8 and the following formula: | 02-25-2010 |
20110092624 | INK COMPOSITION AND METHOD FOR PRODUCING THE SAME - An ink composition contains C. I. Acid Blue 290 as a colorant and water. In the ink composition, C. I. Acid Blue 290 is contaminated with a by-product produced during the production of C. I. Acid Blue 290 and is represented by Formula (I) below, the by-product is represented by Formula (II) below, and the content of the by-product is 120 ppm or less: | 04-21-2011 |
20120147084 | INK COMPOSTION, RECORDING METHOD USING THE SAME AND RECORDED MATERIAL - Disclosed are an ink composition at least containing a porphyrazine compound or a salt thereof and an aromatic compound having a carboxy group and/or a salt thereof, an ink jet recording method using the ink composition and a recorded material recorded by the recording method. | 06-14-2012 |
20120148807 | INK COMPOSITION, INK JET RECORDING METHOD USING THE SAME AND RECORDED MATERIAL - Disclosed are an ink composition containing at least one of a porphyrazine compound or a salt thereof and an aromatic compound having a sulfo group or a salt thereof, an ink jet recording method using the ink composition and a recorded material recorded by the recording method. | 06-14-2012 |
20120213930 | INK COMPOSITION AND INK JET RECORDING METHOD USING THE SAME - An ink composition includes: water, a compound represented by the following general formula (1) or a salt thereof, and a compound represented by the following general formula (21) or a salt thereof. | 08-23-2012 |
20120301685 | INK COMPOSITION, RECORDING METHOD, AND RECORDED ARTICLE - An ink composition contains a dye whose free acid is expressed by formula (1), lithium ions, and an aromatic compound having a carboxy group. | 11-29-2012 |
20140123406 | INK AND DYED ARTICLE - An ink contains (A) water, (B) a disperse dye, (C) a resin dispersant, and (D) at least one selected from the group consisting of a compound represented by formula (1) and a compound represented by formula (2) and having an HLB of 15 or more: | 05-08-2014 |
Patent application number | Description | Published |
20100040927 | Silane crosslinked structure-introduced fuel-cell polymer electrolyte membrane and fuel-cell electrode assembly having the same - An object is to provide an electrolyte membrane that maintains excellent cell characteristics for a long time under high temperature and low water retention, as this is the most important point in fuel cells. | 02-18-2010 |
20120321993 | PROTON CONDUCTIVE POLYMER ELECTROLYTE MEMBRANE HAVING EXCELLENT OXIDATION RESISTANCE, AND PROCESS FOR PRODUCING THE SAME - The process for producing a proton conductive polymer electrolyte membrane of the present invention includes the steps of: irradiating resin fine particles with radiation; graft-polymerizing a vinyl monomer having a sulfonic acid group precursor and a vinyl monomer having a carbonyl group equivalent with the resin fine particles in a solid-liquid two-phase system to obtain a finely particulate graft polymer; preparing a casting solution of a polymer having a phosphoric acid group or a phosphonic acid group and the graft polymer, and forming a cast membrane from this solution; drying the cast membrane to obtain a film; converting the sulfonic acid group precursor into a sulfonic acid group; and forming a crosslinked structure between the carbonyl group equivalents. In the solid-liquid two-phase system, a liquid phase includes the vinyl monomers and a solvent for the monomers, and a solid phase includes the resin fine particles. By this process, a proton conductive polymer electrolyte membrane having high oxidation resistance, and a process capable of producing this membrane industrially are provided. | 12-20-2012 |
20130237112 | ANIONIC POLYMER ION-EXCHANGE MATERIAL AND METHOD FOR PRODUCING THE SAME - With respect to the anionic polymer ion-exchange material used in an alkaline fuel cell, an electrodialysis apparatus, water treatment industry, catalyst industry, and the like, there are provided an anionic polymer ion-exchange material having both excellent ionic conductivity and excellent mechanical strength, as compared to the materials conventionally used, and a method for producing the same. An anionic polymer ion-exchange material having a polymer base material mainly made of an amide resin having both an aromatic structure and an aliphatic chain in the principal chain thereof, wherein the polymer base material has an anionic monomer graft-polymerized on the aliphatic chain in the principal chain of the amide resin, wherein the anionic monomer has an aromatic structure and a quaternary ammonium structure. | 09-12-2013 |
20130295488 | POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCING THE SAME, MEMBRANE-ELECTRODE ASSEMBLY USING THE SAME, AND FUEL CELL USING THE SAME - Provided are a polymer electrolyte membrane exhibiting a relatively high ion conductivity, and a method for producing the polymer electrolyte membrane. | 11-07-2013 |
20140066528 | ANION EXCHANGE MEMBRANE AND PRODUCING METHOD THEREOF - A graft chain containing an N-vinylimidazole derivative is introduced into a polymer substrate by radiation graft polymerization to obtain an alkyl substituted imidazolium salt by a reaction with an alkyl halide, so that an anion exchange membrane with high alkaline durability, in which a nucleophilic substitution reaction and an elimination reaction are inhibited, is obtained. | 03-06-2014 |
20150065597 | METHOD FOR PRODUCING POROUS POLYMER FILM AND POROUS POLYMER FILM - Disclosed is a method for producing a porous polymer film. This method includes the steps of: (I) irradiating a polymer film with an ion beam of accelerated ions so as to form a polymer film that has collided with the ions in the beam; and (II) chemically etching the polymer film formed in the step (I) so as to form openings and/or through holes corresponding to tracks of the colliding ions left in the polymer film. In the step (I), the polymer film is placed in an atmosphere with a pressure of 100 Pa or more, and the polymer film placed in the atmosphere is irradiated with the ion beam that has passed through a beam line maintained at a lower pressure than the pressure of the atmosphere and through a pressure barrier sheet disposed at an end of the beam line to separate the beam line from the atmosphere. | 03-05-2015 |
Patent application number | Description | Published |
20080312350 | Crosslinked aromatic polymer electrolyte membrane and method for producing same - An aromatic polymer film substrate, or a grafted aromatic polymer film substrate having a monomer introduced therein as graft chains is irradiated with ionizing radiation to impart a crosslinked structure. The aromatic polymer film substrate or the grafted aromatic polymer film substrate, provided with the crosslinked structure, is directly sulfonated to obtain a crosslinked aromatic polymer electrolyte membrane. The crosslinked aromatic polymer electrolyte membrane has low water uptake, high proton conductivity, low methanol permeability, high chemical stability, and excellent mechanical characteristics. A method for producing the crosslinked aromatic polymer electrolyte membrane is also provided. | 12-18-2008 |
20090068534 | Highly proton-conductive polymer electrolyte membranes that excel in mechanical strength and a process for producing the same - A vinyl monomer is graft polymerized on an aromatic hydrocarbon-based polymer film substrate to introduce graft chains into the substrate and thereafter a functional monomer represented by the following formula and having sulfonic acid groups or functional groups capable of conversion to sulfonic acid groups is graft polymerized to introduce the sulfonic acid groups or the functional groups capable of conversion to sulfonic acid groups: | 03-12-2009 |
20100190875 | Crosslinked aromatic polymer electrolyte membrane - An aromatic polymer film substrate, or a grafted aromatic polymer film substrate having a monomer introduced therein as graft chains is irradiated with ionizing radiation to impart a crosslinked structure. The aromatic polymer film substrate or the grafted aromatic polymer film substrate, provided with the crosslinked structure, is directly sulfonated to obtain a crosslinked aromatic polymer electrolyte membrane. The crosslinked aromatic polymer electrolyte membrane has low water uptake, high proton conductivity, low methanol permeability, high chemical stability, and excellent mechanical characteristics. | 07-29-2010 |
20100216901 | Polymer electrolyte membrane comprising alkylether graft chain and method of producing the same - A method of producing an electrolyte membrane for use in a fuel cell, including: performing radiation-induced graft polymerization of a vinyl monomer having a nucleophilic functional group selected from an acylvinyl ether derivative, a styrene derivative, and a methacrylic acid derivative, with a polymer substrate having a fluorine-containing polymer, an olefin-containing polymer, or an aromatic polymer; deprotecting an ester bond of a graft chain on the polymer substrate introduced by the radiation-induced graft polymerization; and introducing an alkylethersulfonic acid structure into the nucleophilic functional group of the graft chain thus deprotected, by use of an electrophilic reagent selected from cyclic sulfonic acid ester and alkylhalide sulfonate. | 08-26-2010 |
20130115543 | THERMOSTABLE POLYMER ELECTROLYTE MEMBRANE AND PROCESS FOR PRODUCING THE SAME - The present invention relates to a thermostable polymer electrolyte membrane which comprises a main chain comprising an alicyclic polybenzimidazole and a graft chain added to the main chain by radiation-induced graft polymerization, wherein at least a part of the graft chain has sulfonic acid groups. The thermostable polymer electrolyte membrane of the invention is used for many apparatuses such as polymer electrolyte fuel cells or water electrolysis devices, in which the electrolyte membrane exhibits high proton conductivity, low fuel permeability, high oxidation resistance and superior mechanical property under operation conditions at high temperature. The present invention also provides a simple and low-cost process for producing the same. | 05-09-2013 |
Patent application number | Description | Published |
20100048507 | FOOD/BEVERAGE AND PHARMACEUTICAL COMPOSITION FOR ORAL ADMINISTRATION FOR IMPROVEMENT IN ACIDIC URINE EACH COMPRISING FUCOIDAN AS ACTIVE INGREDIENT - The present invention provides a food/drink or pharmaceutical composition for oral administration for improving an acidic urine, comprising fucoidan or a fucoidan-containing material as an active ingredient, characterized in that a urinal pH is persistently increased; use of fucoidan or a fucoidan-containing material for production of the food/drink or the pharmaceutical composition for oral administration; and a method for improving an acidic urine by persistently increasing a urinal pH of a patient, which comprises orally administering fucoidan or a fucoidan-containing material to a patient. | 02-25-2010 |
20120065158 | FUCOIDAN HAVING ANTITUMOR ACTIVITY - Disclosed is a medium-molecular weight fucoidan which can be used in treating and/or preventing proliferative diseases, in particular, cancer. Specifically disclosed are a medium-molecular weight fucoidan, a method for producing the same, a medicinal composition containing the same, and use of the medium-molecular weight fucoidan in producing a drug for treating and/or preventing preventing proliferative diseases, in particular, cancer. The aforesaid medium-molecular weight fucoidan has an average molecular weight of about 6,000 to about 2,000,000, preferably an average molecular weight of about 40,000 to about 330,000, more preferably an average molecular weight of about 40,000 to about 244,000, and still more preferably an average molecular weight of about 80,000 to about 200,000. | 03-15-2012 |
20120071439 | CARTILAGE PRODUCTION PROMOTER AND PROPHYLACTIC OR THERAPEUTIC AGENT FOR DISEASES ASSOCIATED WITH CARTILAGE DAMAGE - Disclosed is a therapy which is for preventing or treating cartilage damage and diseases associated with cartilage damage, such as arthritides and osteoarthritis, and utilizes a more effective and more safe medicinal agent. Specifically disclosed are a cartilage production promoter, a glucosaminoglycan and/or proteoglycan production promoter, and a prophylactic or therapeutic agent for diseases associated with cartilage damage, each of which comprises fucoidan as an active ingredient. | 03-22-2012 |
20140323432 | CARTILAGE PRODUCTION PROMOTER AND PROPHYLACTIC OR THERAPEUTIC AGENT FOR DISEASES ASSOCIATED WITH CARTILAGE DAMAGE - Disclosed is a therapy which is for preventing or treating cartilage damage and diseases associated with cartilage damage, such as arthritides and osteoarthritis, and utilizes a more effective and more safe medicinal agent. | 10-30-2014 |
Patent application number | Description | Published |
20100239295 | CONVEYANCE SPEED DIFFERENCE MAINTAINING HEAT AND PRESSURE FIXING SYSTEM - A fixing apparatus includes a fixing mechanism having a first motor, and a conveyance mechanism arranged downstream of the fixing mechanism having a second motor. A motor control section is provided to control sheet conveyance speeds V | 09-23-2010 |
20100310287 | IMAGE FORMING APPARATUS - An image forming apparatus includes an electrophotographic imaging unit, a fixing unit, a conveyance unit, and a guide assembly. The electrophotographic imaging unit forms a toner image on a recording medium for forwarding to a media conveyance path. The fixing unit is disposed in the conveyance path to fix the toner image in place on the recording medium through a fixing nip. The conveyance unit is disposed downstream of the fixing unit along the conveyance path to forward the recording medium from the fixing nip. The guide assembly is disposed between the fixing unit and the conveyance unit along the conveyance path to guide the recording medium therethrough. The guide assembly includes a pair of first and second media guide members to form a tapered passageway therebetween to pass the recording medium from the fixing nip into the conveyance unit. | 12-09-2010 |
20110091226 | Failure predictor, fixing device, image forming apparatus, and failure prediction system - A failure predictor for predicting failure of a fixing device including a first characteristics value extractor to extract a first characteristics value representing a time interval between each implementation of repair of a surface of one of a pair of rotary bodies, a second characteristics value extractor to extract a second characteristics value representing a change in a degree of glossiness on the surface of one of the pair of rotary bodies during a period of time between before and after repair of the surface of one of the pair of rotary bodies, a third characteristics value extractor to extract a third characteristics value representing a change in a current value of a drive motor, and a determination device to predict failure of the fixing device caused by the condition of the surface of one of the pair of rotary bodies using the extracted first, second, and third characteristics values. | 04-21-2011 |
20130121735 | MEDIA STRIPPER MECHANISM - A media stripper mechanism includes a stripping member. The stripping member has a stripping edge extending in an axial, longitudinal direction of the rotary member for contacting the recording medium upon exiting the nip, and a guide surface extending from the stripping edge for guiding the recording medium after stripping from the rotary member. The guide surface exhibits a maximum height roughness Rz of approximately 10 to 18 micrometers. | 05-16-2013 |
20140050511 | SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS - A separation device includes at least one separator disposed opposite one of a first rotary body and a second rotary body. Each separator includes a front aligned in an axial direction of the one of the first rotary body and the second rotary body and including a recording medium conveyance face over which a recording medium slides. The recording medium conveyance face includes a front edge produced with a burr having a height not greater than about 25 micrometers. A recess produced on the recording medium conveyance face extends in a direction perpendicular to a recording medium conveyance direction. The recording medium conveyance face has a surface roughness defined by one of an arithmetic average roughness not greater than about 1.5 micrometers, a maximum height not greater than about 10.0 micrometers, and a ten point average roughness not greater than about 7.2 micrometers. | 02-20-2014 |
20140071410 | IMAGE PROJECTION APPARATUS - An image projection apparatus includes a housing unit; a light source unit provided on the housing unit; an outer cover mounted on the housing unit; a second cover provided nearer to the light source unit than the outer cover; a first mounting member formed on the housing unit; a second mounting member formed on the outer cover and fixing the outer cover to the housing unit when mounted on the first mounting member; a displacement member movable to both a position where mounting of the second mounting member to the first mounting member is inhibited and a position where mounting of the second mounting member to the first mounting member is permitted; and a displacement control member that moves the displacement member to the position where the mounting of the second mounting member to the first mounting member is permitted when the second cover is correctly mounted. | 03-13-2014 |
20140072158 | ELECTRONIC DEVICE AND IMAGE PROJECTION APPARATUS - An electronic device includes a speaker; a speaker holder that holds the speaker; a main unit on which the speaker holder is mounted; a first mounting part formed on the speaker; a second mounting part formed on the speaker holder; a first elastic part that engages with both the first and second mounting parts; a third mounting part formed on the speaker holder; a fourth mounting part formed on the main unit; and a second elastic part that engages with both the third and fourth mounting parts. The speaker and the main unit are provided in such a manner as not to come into contact with each other under the condition that the first and second mounting parts engage with the first elastic part, and the third and fourth mounting parts engage with the second elastic part. | 03-13-2014 |
20140118706 | ILLUMINATION OPTICAL SYSTEM AND IMAGE PROJECTION DEVICE - An illumination optical system includes a lens unit that is arranged on a path of an emitted light to an image forming element for forming an image; a holding unit that holds the lens unit; and an elastic body that is attached to the holding unit, and has integrally-formed first and second parts, the first part being biased in a direction of an optical axis of the light to press the lens unit, and the second part being biased in a direction perpendicular to the direction of the optical axis to press the lens unit. | 05-01-2014 |
20140132938 | AUTO-FOCUS DEVICE, PROJECTION LENS DEVICE, AND IMAGE PROJECTION APPARATUS - An auto-focus device includes: a light projection lens unit that projects light emitted from a light source unit, on a projection target surface; a light receiving unit that receives a diffusely-reflected light from the projection target surface; a light receiving lens unit that guides the diffusely-reflected light to the light receiving unit; a calculating unit that calculates a focal distance to the projection target surface from the diffusely-reflected light; a first holding unit that holds the light source unit, the light projection lens unit, and the light receiving lens unit; a second holding unit that holds the light receiving unit, and is mounted on the first holding unit; and a pressing unit that presses the second holding unit against the first holding unit. The second holding unit is configured to be displaceable on a surface of the first holding unit along a groove portion formed thereon. | 05-15-2014 |
20140362352 | IMAGE PROJECTION APPARATUS - An image projection apparatus includes a light source that emits light; an image generation element to generate an image; an optical radiation system to irradiate the image generation element using the light emitted from the light source; an optical projection system to project the image generated by the image generation element onto a projection face; a color wheel, disposed on a light path of light emitted from the light source, to separate the light while being rotated; a light tunnel to guide light exiting from the color wheel to the optical radiation system; and a shield disposed in a space between the color wheel and the light tunnel in a light radiation direction from which the light from the light source is irradiated. The shield covers at least a part of a side of the light tunnel facing a rotation center of the color wheel. | 12-11-2014 |
20140374229 | SWITCH MECHANISM AND ELECTRONIC DEVICE - There are provided a button section; a contact-type switch that is provided in each of a plurality of directions; a button contact area that is provided on the back surface of the button section and that is brought into contact with the switch; a cover section that covers the periphery of the button section; and a flange section that is provided on the outer periphery of the button section and that is in contact with the cover section so as to restrict the button section from being ejected from inside a chassis, wherein the flange section includes cutouts at positions that are opposed to each other with the switch and the center position of the button section interposed therebetween. | 12-25-2014 |
20140375964 | LIGHTING UNIT AND IMAGE PROJECTOR - A lighting unit and an image projector that cool a drive source that drives a color wheel favorably and prevents dust from collecting on the color wheel are provided. The lighting unit includes a color wheel that divides light from a light source into colors different from each other time-divisionally, a drive source that drives the color wheel such as a color motor, and an optical device that illuminates light that passes through the color wheel on an image generating device such as a DMD that generates a projection image. The lighting unit includes a cooling device that draws heat from the drive source to cool the drive source. | 12-25-2014 |
20140375966 | COOLING DEVICE, IMAGE PROJECTION APPARATUS, AND ELECTRONIC APPARATUS - A cooling device includes a heat dissipating unit that is in contact with an object to be cooled and dissipates heat, and an air blowing unit that takes therein air and blows the air to the heat dissipating unit. The heat dissipating unit includes a first stage portion and a second stage portion that have a difference in level therebetween. The air blowing unit includes a first inlet port that takes therein air from outside, and an outlet port that exhausts the taken-in air. The first inlet port faces the first stage portion, and the outlet port faces the second stage portion. | 12-25-2014 |
20140375967 | COOLING STRUCTURE, IMAGE PROJECTION APPARATUS, ELECTRONIC DEVICE, AND COOLING DEVICE - A cooling structure includes: a heat releasing unit configured to include a plurality of fins and to release heat by contacting a first cooling target; and an air blowing unit configured to blow air to the heat releasing unit, wherein the heat releasing unit includes a first region and a second region in which intervals of the fins are smaller than those of the first region, and a second cooling target that is different from the first cooling target is positioned downstream relative to the first region in a flow path of the air, and the air that has passed through the first region blows on the second cooling target. | 12-25-2014 |
20150015851 | PROJECTOR - In a projector that includes a light source, an image forming unit, a projection optical unit, and a case to contain the light source, the image forming unit, the projection optical unit, and the power supply, takes outside air in through a first intake duct provided on the case, cools the power supply by circulating the taken outside air to the power supply circumventing the projection optical unit, and exhausts the air after cooling through an exhaust vent provided on the case. A second intake duct is provided nearby the power supply compared to the first intake duct, and the amount of outside air drawn into the case through the second intake duct is larger than the amount of outside air drawn into the case through the first intake duct. | 01-15-2015 |
20150029470 | IMAGE PROJECTION APPARATUS AND METHOD FOR CONTROLLING IMAGE PROJECTION APPARATUS - An image projection apparatus according to the present invention, includes: an air-intake port that takes in outside air for cooling the inside of a housing; a heater that is provided near the air-intake port and generates heat with supply of electric power; a temperature sensor that is provided next to the heater; and a controller that monitors a decrease in the flow velocity of outside air taken in through the air-intake port based on temperature values measured by the temperature sensor. | 01-29-2015 |
20150029471 | IMAGE PROJECTION DEVICE AND METHOD OF CONTROLLING IMAGE PROJECTION DEVICE - An image projection device includes: a centrifugal fan that sends air circulating through a casing to a light source; a heat generator that generates heat with supply of power and that is provided in the vicinity of an ejection port of the centrifugal fan; a temperature sensor that is provided to be adjacent to the heat generator; and a controller that monitors lowering of the velocity of the air, which is sent from the centrifugal fan, on the basis of the value of a temperature measured by the temperature sensor. | 01-29-2015 |
20150049311 | IMAGE PROJECTION APPARATUS - An image projection apparatus includes: a grid portion provided on a housing of the apparatus and having a plurality of grids through which air flows in or out of the apparatus. The grid portion includes an edge portion of the grid portion, and a central portion of the grid portion, having a thickness thicker than a thickness of the edge portion of the grid portion. | 02-19-2015 |
Patent application number | Description | Published |
20100095888 | PLASMA GENERATING APPARATUS AND PLASMA FILM FORMING APPARATUS - A plasma generating apparatus is provided with an impedance matching member, which is connected to a feeding line that supplies an antenna element with a high frequency signal, and has variable characteristic parameters for impedance matching; a distribution wire, which is arranged corresponding to the impedance matching member and connects the impedance matching member with at least two antenna elements; and a control section which changes at the same time impedance matching statuses of at least the two antenna elements connected to the impedance matching member through the distribution wire by changing the characteristic parameters of the impedance member. Thus, the number of impedance matching devices is smaller than that of the antenna elements, and a mechanism relating to impedance matching is made relatively small. | 04-22-2010 |
20100236917 | PLASMA GENERATING APPARATUS AND PLASMA GENERATING METHOD - An impedance matching device is provided with a basic element having variable characteristic parameters for impedance matching, and an auxiliary element having variable characteristic parameters. At the time of generating plasma by using the impedance matching device, the characteristic parameters of the basic element of each antenna element are fixed, respectively, and the characteristic parameters of the auxiliary element are adjusted for each antenna element. Thus, in an adjusted status where impedance matching for each antenna element is adjusted, each antenna element of an antenna array is fed with a high frequency signal, an electromagnetic wave is radiated from the antenna element, the characteristic parameters of the basic element of each antenna element are synchronized and adjusted, and the impedances of the whole antenna array are matched. | 09-23-2010 |
20110293853 | THIN FILM FORMING APPARATUS AND THIN FILM FORMING METHOD - A thin film forming apparatus controls pressures of a first internal space in a deposition vessel and a second internal space provided in the first internal space according to determined pressure conditions, respectively. The apparatus causes a source gas to flow onto a substrate in the second internal space and supplies a high-frequency power to a plasma source provided in the first internal space according to the pressure conditions, thereby generating plasma in the second internal space to form a thin film on the substrate. | 12-01-2011 |
20110303147 | ATOMIC LAYER DEPOSITION APPARATUS - An atomic layer deposition apparatus for forming a thin film on a substrate, including a first container that defines a first inner space, a second container provided inside the first container to define a second inner space, the second container being canister-shaped and including a first opening at one end thereof, a source gas that forms the thin film on the substrate flowing to the second inner space through the first opening, and a pressing member including a gas supply port for supplying the source gas to the second inner space through the first opening, the pressing member being configured to press the second container in a longitudinal direction of the second container so that the second inner space be separated from the first inner space. | 12-15-2011 |
20110305836 | ATOMIC LAYER DEPOSITION APPARATUS AND THIN FILM FORMING METHOD - An atomic layer deposition apparatus, which forms a thin film on a substrate, includes a first container that defines a first inner space and includes a substrate carrying-in and carrying-out port and a gas introduction port in different positions, the substrate being carried in and out through the substrate carrying-in and carrying-out port, gas being introduced through the gas introduction port to form the thin film on the substrate, a second container that is provided in the first container to define a second inner space separated from the first inner space, the second container including a first opening, a first moving mechanism that moves the second container in a predetermined direction, and a controller that controls the first moving mechanism such that the second container is moved to a first position where the substrate carrying-in and carrying-out port and the first opening are located opposite each other when the substrate is carried in and out, the controller controlling the first moving mechanism such that the second container is moved to a second position where the gas introduction port and the first opening are located opposite each other when the thin film is formed on the substrate. | 12-15-2011 |
Patent application number | Description | Published |
20090041461 | ONU MANAGEMENT METHOD AND OPTICAL LINE TERMINATION - In a PON system, a PON-ID assigned to a connected ONU before replacement is assigned to a newly connected ONU after the replacement and, setting data before the replacement is succeeded also after the replacement. An OLT includes a PON-ID state where a management state of the PON-ID is stored, a PON-ID management table where the PON-ID and an ONU serial number of the connected ONU and setting data are correspondingly stored and, a delete ONU table where the PON-ID and an ONU serial number of a replacement object are correspondingly stored. When the OLT receives an ONU replacement instruction from an operation system, the PON-ID assigned to the ONU of the replacement object is assigned to an ONU newly connected during the ONU replacement. | 02-12-2009 |
20090047020 | ONU MANAGEMENT METHOD AND OPTICAL LINE TERMINATION - In a PON system, a PON-ID assigned to a connected ONU before replacement is assigned to a newly connected ONU after the replacement and, setting data before the replacement is succeeded also after the replacement. An OLT includes a PON-ID state where a management state of the PON-ID is stored, a PON-ID management table where the PON-ID and an ONU serial number of the connected ONU and setting data are correspondingly stored and, a delete ONU table where the PON-ID and an ONU serial number of a replacement object are correspondingly stored. When the OLT receives an ONU replacement instruction from an operation system, the PON-ID assigned to the ONU of the replacement object is assigned to an ONU newly connected during the ONU replacement. | 02-19-2009 |
20090175276 | Packet forwarding apparatus with function of limiting the number of user terminals to be connected to ISP - A packet forwarding apparatus for connecting a plurality of user terminals to an ISP management server has a management table indicating the relationship between a connection port identifier and specific header information in association with the MAC address of each of the user terminals so that, in a communication protocol procedure executed between each of the user terminals and the ISP management server prior to communication with a wide-area network, the packet forwarding apparatus discards a packet for the user terminal when it is determined that the specific header information cannot be assigned to the user terminal based on the management table. | 07-09-2009 |
20100189114 | NETWORK COMMUNICATION NODE - The invention addresses reducing time taken to obtain destination MAC addresses or alleviating the workload of manually setting MAC addresses in physical ports for duplicate PtP connections in WAN. A physical port is provided with functionality that, when transmitting a data frame received by the transmission block in the physical port, copies the content of the source MAC address field in the received data frame to the destination MAC address field, selects a destination MAC address randomly, or specifies a fixed value which has been set beforehand as the destination MAC address. The port is also provided with functionality that performs receive processing on a data frame after being received by the reception block without inspecting the destination MAC address field in the MAC header. Thereby, the time to obtain addresses is reduced or the setting workload is lessened. | 07-29-2010 |
Patent application number | Description | Published |
20080253622 | Multimodal ocular biometric system and methods - Biometric systems capture and combine biometric information from more than one modality, employing digital processing algorithms to process and evaluate captured images having data for a biometric characteristic. Such digital algorithms may include a pupil segmentation algorithm for determining a pupil image in the captured image, an iris segmentation algorithm for determining an iris image in the captured image, an eyelid/eyelash segmentation algorithm for determining an eyelid/eyelash image in the captured image, and an algorithm for measuring the focus on the iris. Some embodiments employ an auto-capture process which employs such algorithms, in part, to evaluate captured images and obtain the best possible images for biometric identification. | 10-16-2008 |
20100284576 | Iris data extraction - A process for extracting iris data for biometric identification includes a thresholding method where the thresholds are selected according to a nonparametric approach that considers the grey scale and does not require classifying pixels as edge or non-edge pixels. An eye image is first acquired, where the eye image has component images including an iris image with an inner boundary and an outer boundary. The eye image has a distribution of grey levels. Component images, such as an iris image or a pupil image, from the eye image are segmented according to the distribution of grey levels. The inner boundary and outer boundary of the iris image are determined from the component images. The iris image within the inner boundary and outer boundary is processed for biometric identification. The component images may be segmented by creating an eye histogram of pixel intensities from the distribution of grey levels. | 11-11-2010 |
20100290668 | LONG DISTANCE MULTIMODAL BIOMETRIC SYSTEM AND METHOD - A system for multimodal biometric identification has a first imaging system that detects one or more subjects in a first field of view, including a targeted subject having a first biometric characteristic and a second biometric characteristic; a second imaging system that captures a first image of the first biometric characteristic according to first photons, where the first biometric characteristic is positioned in a second field of view smaller than the first field of view, and the first image includes first data for biometric identification; a third imaging system that captures a second image of the second biometric characteristic according to second photons, where the second biometric characteristic is positioned in a third field of view which is smaller than the first and second fields of view, and the second image includes second data for biometric identification. At least one active illumination source emits the second photons. | 11-18-2010 |
20110200235 | Iris Data Extraction - A process for extracting iris data for biometric identification includes a thresholding method where the thresholds are selected according to a nonparametric approach that considers the grey scale and does not require classifying pixels as edge or non-edge pixels. An eye image is first acquired, where the eye image has component images including an iris image with an inner boundary and an outer boundary. The eye image has a distribution of grey levels. Component images, such as an iris image or a pupil image, from the eye image are segmented according to the distribution of grey levels. The inner boundary and outer boundary of the iris image are determined from the component images. The iris image within the inner boundary and outer boundary is processed for biometric identification. The component images may be segmented by creating an eye histogram of pixel intensities from the distribution of grey levels. | 08-18-2011 |
20110285836 | Multimodal Ocular Biometric System - A multimodal biometric identification system captures and processes images of both the iris and the retina for biometric identification. Another multimodal ocular system captures and processes images of the iris and/or the from both eyes of a subject. Biometrics based on data provided by these systems are more accurate and robust than using biometrics that include data from only the iris or only the retina from a single eye. An exemplary embodiment emits photons to the iris and the retina of both eyes, an iris image sensor that captures an image of the iris when the iris reflects the emitted light, a retina image sensor that captures an image of the retina when the retina reflects the emitted light, and a controller that controls the iris and the retina illumination sources, where the captured image of the iris and the captured image of the retina contain biometric data. | 11-24-2011 |
20120200689 | LONG DISTANCE MULTIMODAL BIOMETRIC SYSTEM AND METHOD - A system for multimodal biometric identification has a first imaging system that detects one or more subjects in a first field of view, including a targeted subject having a first biometric characteristic and a second biometric characteristic; a second imaging system that captures a first image of the first biometric characteristic according to first photons, where the first biometric characteristic is positioned in a second field of view smaller than the first field of view, and the first image includes first data for biometric identification; a third imaging system that captures a second image of the second biometric characteristic according to second photons, where the second biometric characteristic is positioned in a third field of view which is smaller than the first and second fields of view, and the second image includes second data for biometric identification. At least one active illumination source emits the second photons. | 08-09-2012 |
20120213418 | MULTIMODAL OCULAR BIOMETRIC SYSTEM AND METHODS - Biometric systems capture and combine biometric information from more than one modality, employing digital processing algorithms to process and evaluate captured images having data for a biometric characteristic. Such digital algorithms may include a pupil segmentation algorithm for determining a pupil image in the captured image, an iris segmentation algorithm for determining an iris image in the captured image, an eyelid/eyelash segmentation algorithm for determining an eyelid/eyelash image in the captured image, and an algorithm for measuring the focus on the iris. Some embodiments employ an auto-capture process which employs such algorithms, in part; to evaluate captured images and obtain the best possible images for biometric identification. | 08-23-2012 |
20130141560 | MULTIMODAL OCULAR BIOMETRIC SYSTEM - A multimodal biometric identification system captures and processes images of both the iris and the retina for biometric identification. Another multimodal ocular system captures and processes images of the iris and/or the from both eyes of a subject. Biometrics based on data provided by these systems are more accurate and robust than using biometrics that include data from only the iris or only the retina from a single eye. An exemplary embodiment emits photons to the iris and the retina of both eyes, an iris image sensor that captures an image of the iris when the iris reflects the emitted light, a retina image sensor that captures an image of the retina when the retina reflects the emitted light, and a controller that controls the iris and the retina illumination sources, where the captured image of the iris and the captured image of the retina contain biometric data. | 06-06-2013 |
20130182953 | IRIS DATA EXTRACTION - A process for extracting iris data for biometric identification includes a thresholding method where the thresholds are selected according to a nonparametric approach that considers the grey scale and does not require classifying pixels as edge or non-edge pixels. An eye image is first acquired, where the eye image has component images including an iris image with an inner boundary and an outer boundary. The eye image has a distribution of grey levels. Component images, such as an iris image or a pupil image, from the eye image are segmented according to the distribution of grey levels. The inner boundary and outer boundary of the iris image are determined from the component images. The iris image within the inner boundary and outer boundary is processed for biometric identification. The component images may be segmented by creating an eye histogram of pixel intensities from the distribution of grey levels. | 07-18-2013 |
20140205156 | Iris Data Extraction - A process for extracting iris data for biometric identification includes a thresholding method where the thresholds are selected according to a nonparametric approach that considers the grey scale and does not require classifying pixels as edge or non-edge pixels. An eye image is first acquired, where the eye image has component images including an iris image with an inner boundary and an outer boundary. The eye image has a distribution of grey levels. Component images, such as an iris image or a pupil image, from the eye image are segmented according to the distribution of grey levels. The inner boundary and outer boundary of the iris image are determined from the component images. The iris image within the inner boundary and outer boundary is processed for biometric identification. The component images may be segmented by creating an eye histogram of pixel intensities from the distribution of grey levels. | 07-24-2014 |
Patent application number | Description | Published |
20090010659 | IMAGE FORMING APPARATUS - An image forming apparatus includes a developing device for developing a latent image formed on an image bearing member on the basis of image information, into a developed image with a developer, the developing device including a developer accommodating portion for accommodating the developer and a stirring member for stirring the developer in the developer accommodating portion; an optical remaining amount detecting device for detecting a remaining amount of the developer in the developer accommodating portion, by passing light through an inside of the developer accommodating portion; a consumption amount calculation device for calculating information relating to a consumption amount of the developer on the basis of the image information; and an outputting device for outputting an information signal indicative of a developer remainder which is either one of a developer remainder based on a detection result of the optical remaining amount detecting device and a developer remainder based on the information relating to the consumption amount provided by the consumption amount calculation device, selected in accordance with information relating to continuous drive time of the stirring member after start of drive thereof during image forming operation. | 01-08-2009 |
20110222873 | IMAGE FORMING APPARATUS - An image forming apparatus includes a developing device for developing a latent image formed on an image bearing member on the basis of image information, into a developed image with a developer, the developing device including a developer accommodating portion for accommodating the developer and a stirring member for stirring the developer in the developer accommodating portion; an optical remaining amount detecting device for detecting a remaining amount of the developer in the developer accommodating portion, by passing light through an inside of the developer accommodating portion; a consumption amount calculation device for calculating information relating to a consumption amount of the developer on the basis of the image information; and an outputting device for outputting an information signal indicative of a developer remainder which is either one of a developer remainder based on a detection result of the optical remaining amount detecting device and a developer remainder based on the information relating to the consumption amount provided by the consumption amount calculation device, selected in accordance with information relating to continuous drive time of the stirring member after start of drive thereof during image forming operation. | 09-15-2011 |
20120147119 | COLOR IMAGE FORMING APPARATUS - A controller which causes a light emitting element to continuously perform minute emission for a plurality of dots in a level in which toner is not attached to a non-image section on an image bearing member is provided. The controller controls a first driving current for an image section and controls a second driving current used to perform the minute emission by the light emitting element in the non-image section several times in one job. In the image section, a driving current obtained by adding the first driving current to the second driving current is supplied so that the light emitting element emits light. | 06-14-2012 |
20120230705 | COLOR IMAGE FORMING APPARATUS - In a color image forming apparatus, the amount of light of an exposure unit for a weak exposure is changed according to a remaining service life of a photosensitive drum when the weak exposure is performed for the background area of a corresponding photosensitive drum by using the exposure unit. | 09-13-2012 |
20120275804 | IMAGE FORMING APPARATUS - An image forming apparatus includes a first toner image bearing member (drum); a second drum; an intermediary transfer member (belt); a secondary transfer member; a toner charging member; and a controller for controlling an operation in a single-color image forming mode and an operation in a multi-color image forming mode. The controller effects, in a post-processing operation after the operation in the single-color image forming mode in which the toner image is formed on the first drum is ended, control such that a separation state between the drum and belt is switched to a contact state between the drum and belt and then the toner deposited on the toner charging member is collected onto the second drum via the belt and then is collected by a cleaning device provided for the second drum. | 11-01-2012 |
20130004187 | IMAGE FORMING APPARATUS - An image forming apparatus includes a control device configured to control an information signal that notifies a user of a coming shortage of the developer in a developer storage portion or a usage limit of the developing device. The control device can transmit the information signal in such a way that the amount of the developer remaining in the developer storage portion at the transmission timing of the information signal is variable according to a developer consumption amount per unit number of recording material sheets. | 01-03-2013 |
20130141511 | IMAGE FORMING APPARATUS - An image forming apparatus includes a photosensitive member, a charging unit configured to charge the photosensitive member, an exposure unit configured to expose the charged photosensitive member with first laser power to generate a non-image portion potential in a non-image portion of the photosensitive member and with second laser power different from the first laser power to generate an image portion potential in an image portion of the photosensitive member, a development unit configured to form a developer image by applying a developer to a portion of the image portion potential, a control unit configured to control the laser power of the exposure unit, and a storage unit configured to store information about the photosensitive member obtained when the photosensitive member is brand-new. The control unit changes an output of the first laser power according to the information about the photosensitive member stored in the storage unit. | 06-06-2013 |
20130142528 | IMAGE FORMING APPARATUS - An image forming apparatus includes a photosensitive member, a charging unit, an image exposure unit configured to form image portion potential by exposing the photosensitive member to light, a weak exposure unit configured to form non-image portion potential by exposing the photosensitive member to weak light having a lower exposure amount than the light for forming the image portion potential, and a developer bearing member configured to carry developer, wherein a relationship of Ldev06-06-2013 | |
20130235142 | IMAGE FORMING APPARATUS - The image forming apparatus includes a photosensitive drum and a light emitting device. In the rotational axis direction of the photosensitive drum, the width of the weak light exposure region on the photosensitive drum in which an exposing device emits weak light is larger than the width of a region corresponding to the width of a recording medium on which an image is formed, but smaller than the width of a region on the photosensitive drum charged by a charging roller. | 09-12-2013 |
20140178094 | DEVELOPING UNIT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - Provided is a developing unit including: a developer container configured to contain a magnetic developer; a developer carrier provided with an elastic portion, configured to bear the magnetic developer in the elastic portion and to cause the elastic portion to be in contact with an image bearing member to develop a latent image formed on the image bearing member; and a magnetic sealing member disposed, on a plane which perpendicularly crosses an axial line of the developer carrier, at a predetermined distance from a longitudinal direction end portion of the developer carrier and configured to regulate leakage of the developer from between the developer container and the developer carrier, wherein, in a longitudinal direction of the developer carrier, an end portion of the elastic portion is disposed between an inner end portion and an outer end portion of the magnetic sealing member. | 06-26-2014 |
20140341596 | COLOR IMAGE FORMING APPARATUS - In a color image forming apparatus, the amount of light of an exposure unit for a weak exposure is changed according to a remaining service life of a photosensitive drum when the weak exposure is performed for the background area of a corresponding photosensitive drum by using the exposure unit. | 11-20-2014 |
20140348523 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member that bears a developer image, a transfer apparatus that transfers the developer image, a charge apparatus, an exposure apparatus that exposes the surface of the image bearing member with light to form a latent image, and a developing apparatus that collects and supplies the developer to the latent image to form the developer image, in which an image formation area is divided into an image part and a non-image part where the developer image is not formed, the exposure apparatus exposes the non-image part with light at an exposure amount lower than an exposure amount with respect to the image part, and the charging apparatus charges the image bearing member and the exposure apparatus exposes the image part and the non-image part with light in a state in which the developer remains on the image bearing member. | 11-27-2014 |