National University Corporation Toyohashi University of Technology Patent applications |
Patent application number | Title | Published |
20150355127 | Method for Identifying pH, Device for Same, and Method for Identifying Ion Concentration - The purpose of the present invention is to measure pH of a sample with high accuracy in a pH sensor array, without the use of a glass reference electrode. Each time that a sample is measured, the potential Vrm of the sample is identified, and the identified potential Vrm is used to calculate the pH. The outputs Voi | 12-10-2015 |
20150190840 | DEVICE AND PROCESS FOR PRODUCING COMPOSITE PARTICLES - A device and process for producing composite particles capable of adding a control agent for controlling a surface charge of particles such as a polymer electrolyte without being in excess or short. The production device includes a reservoir tank holding liquid containing either a first group or a second group of particles; a dispersion state measuring mechanism measuring a dispersion state of the particles in the liquid held in the reservoir tank; a dispersion state storage storing the dispersion state measured by the dispersion state measuring mechanism when a control agent for controlling a surface charge of the particles contained in the liquid in the reservoir tank is added into the reservoir tank; and an information output outputting information indicating that the dispersion state of the particles in the liquid in the reservoir tank is a desired state, based on the dispersion state stored in the dispersion state storage. | 07-09-2015 |
20140315046 | MICROBIAL POWER GENERATION DEVICE, ELECTRODE FOR MICROBIAL POWER GENERATION DEVICE, AND METHOD FOR PRODUCING SAME - Provided are a microbial power generation device, an electrode for the microbial power generation device, preparing methods of the same, an electric power producing method using microbes and a selective culture method of the microbes used for the electric power producing method capable of improving electric power production capacity and of suppressing power generation cost. In a microbial power generation device ( | 10-23-2014 |
20140307064 | THREE-DIMENSIONAL IMAGE PROJECTOR, THREE-DIMENSIONAL IMAGE PROJECTION METHOD, AND THREE-DIMENSIONAL IMAGE PROJECTION SYSTEM - A three-dimensional image projector includes: a conversion optical system including a plate-shaped first optical member that has an incidence surface is incident, and an emission surface and that converts a traveling direction of the image light so as to form a predetermined angle between the emission surface and an emission direction of the image light on the emission surface; a rotary driving unit that drives the conversion optical system so as to rotate along the emission surface with a predetermined point on the emission surface as the center of rotation; and an image projection unit that is erected along a rotation axis, converts the traveling direction of the image light emitted from the conversion optical system into a first direction along a surface crossing the rotation axis, and diffuses the image light emitted from the conversion optical system in a second direction along the rotation axis. | 10-16-2014 |
20140253986 | Image Photography Method, Image Photography Play Method, Spatial Lighting Modulator, Image Play Device, and Digital Hologram Forming Device - Submitted is an image photography play method which is suited to playing a stereoscopic video. The image photography method comprises: a step of forming a hologram pattern from a reference light and a subject light; a step of digitally processing the obtained hologram pattern; a step of writing the digitized hologram pattern as a magnetized vector pattern to a spatial lighting modulator which is formed from a magneto-optical material; and a step of inputting linearly polarized light into the spatial lighting modulator and playing an image according to the digitized hologram pattern. | 09-11-2014 |
20140200842 | Device and Method for Detecting Chemical and Physical Phenomena - Provided is a device adapted for detecting chemical and physical phenomena and suitable for high integration, and a method for controlling the detection device. When a plurality of pH-detecting devices are used, a variation in sensitivity occurs in each of the sensing units. The variation in sensitivity can be calibrated using a simple method. The amount of charge (output signal) delivered by each of the sensing units to a standard solution is determined, and the difference between the delivered charge amount and a standard charge amount (standard output signal) delivered by a standard sensing unit is determined. The capacity of the potential well of the sensing unit is changed, or the potential of a TG unit when a charge is delivered is changed, so as to cancel out the difference. | 07-17-2014 |
20140139231 | Method for Detecting Chemical and Physical Phenomenon, and Device Therefor - Provided are a device for detecting chemical and physical phenomenon suitable for high integration, and a method therefor. Rather than using a TG section signal to select pixels that require charge measurement, the on-off timing (the timing for moving the charge from a sensing section to an FD section) of the TG section is harmonized for all pixels, and the release or injection of the charge to the sensing section is separately controlled, whereby the charge is held only in sensing sections of pixels that require charge measurement, and the charge is emptied in sensing sections of pixels that do not require charge measurement. In this state, the TG section of all pixels can be opened at the same time, whereby the charge is transferred to the FD section from only the sensing sections holding a charge, and the charge level of the pixel is detected. | 05-22-2014 |
20130279229 | POWER INVERTER CIRCUIT - A power inverter circuit | 10-24-2013 |
20130177835 | PROTON CONDUCTOR AND METHOD OF PRODUCING PROTON CONDUCTOR - By using a composite material that is produced from an acid salt of an oxo acid compound and an azole compound, a proton conductor with good proton conductivity properties under medium temperature, non-humidified conditions may be achieved. The composite material may be produced by mechanical milling of the acid salt of the oxo acid compound and the azole compound using a planetary ball mill The structure of the composite material obtained by the mixing processing may be different from that of a mixture of the acid salt of the oxo acid compound and the azole compound. Therefore, it may be possible to produce the proton conductor that has good proton conductivity properties under medium temperature, non-humidified conditions with a simple method of mechanical mixing. | 07-11-2013 |
20130135046 | SWITCHING CIRCUIT AND ENVELOPE SIGNAL AMPLIFIER - A switching circuit | 05-30-2013 |
20130134994 | SPECIFICATION DEVICE FOR WATER STATUS OF SOIL, AND METHOD FOR SAME - Contacting a pair of electrodes with soil, applying an alternate current input electric signal to one of the pair of electrodes, comparing a phase of an output electric signal from the other of the pair electrodes with a phase of the input electric signal; and determining the concentration of the ionic solute included in the solvent according to a difference of the phases. The difference of the phases is not dependent on the water content. An electrical conductivity is proportional to a water content and ion concentration, thereby, the water content of soil is available according to the measured electrical conductivity, while determining the ion concentration. | 05-30-2013 |
20130120890 | TRANSISTOR PROTECTION CIRCUIT - Provided is a transistor protection circuit capable of appropriately protecting a transistor even when a switching frequency is high. A transistor protection circuit according to an embodiment of the present invention is a transistor protection circuit for protecting a voltage-driven transistor that is switch-controlled by the application of a high-potential-side voltage or low-potential-side voltage of a power supply to a gate terminal of the transistor by a drive circuit. The transistor protection circuit has a power supply controller that gradually lowers the high-potential-side voltage of the power supply upon receiving a protection command for executing protection of the transistor. | 05-16-2013 |
20130049862 | SWITCHING CIRCUIT AND ENVELOPE SIGNAL AMPLIFIER - A switching circuit according to one embodiment has: N switching elements; a connection circuit including N−1 first inductance elements that are connected in series; a second inductance element; and N third inductance elements. Control terminals of the N switching elements are connected to ends of the connection circuit and connection contacts, respectively. One end of the second inductance element is connected to a power supply. The N third inductance elements electrically connects one ends of the N switching elements and the other end of the second inductance element with each other, respectively. | 02-28-2013 |
20120326774 | SWITCHING CIRCUIT - A switching circuit according to one embodiment includes: a switching element that has a first terminal and a second terminal, and is driven by a pulse signal to switch a conduction state between the first and second terminals; a power source section that supplies a voltage to the first terminal; a load circuit that is connected in parallel with the power source section; a passive circuit section that is connected between a connection point between the power source section and the load circuit, and the first terminal, and suppresses a current flowing from the connection point to the switching element at a frequency N times (N is an integer of 1 or more) as high as a clock frequency of the pulse signal; and a resonant circuit section that is connected between the passive circuit section and the connection point, and resonates at the frequency of N times. | 12-27-2012 |
20120306563 | SWITCHING CIRCUIT - A switching circuit according to one embodiment is a switching circuit including at least one semiconductor switch element having an input, output, and a common terminals, a pulse-like signal being applied between the input and common terminals to switch a current between the output and common terminals. The switching circuit further includes a capacitance suppression element section connected at least one of between the input and output terminals, between the input terminal common terminals, and between the output and common terminals. The capacitance suppression element section reduces a parasitic capacitance between the terminals of the semiconductor switch element where the capacitance suppression element section is connected to less than that obtained when the capacitance suppression element section is not connected at a frequency N times (N is an integer of 1 or more) as high as a clock frequency of the pulse-like signal. | 12-06-2012 |
20120306288 | SWITCHING CIRCUIT - A switching circuit according to one embodiment includes first to fourth semiconductor switch elements. A pulse-like signal is applied to each input terminal of the switch elements such that when the first and fourth switch elements are in an ON (OFF) state, the remaining switch elements are in an OFF (ON) state. The switching circuit includes first and second capacitance elements. The first capacitance elements connected between an output terminal of the second semiconductor switch element and the second capacitance elements connected between an input terminal of the second semiconductor switch element and an output terminal of the fourth semiconductor switch element has a capacitance to reduce a parasitic capacitance between the input and output terminals of each of the fourth and second switch elements at a frequency N times (N is an integer of 1 or more) as high as a clock frequency of the pulse-like signal. | 12-06-2012 |
20120231354 | ELECTROLYTE MEMBRANE, FUEL CELL, AND ELECTROLYTE MEMBRANE MANUFACTURING METHOD - A composite membrane that can be used as an electrolyte membrane of a fuel cell is produced from a resin material that contains at least polybenzimidazole and from a composite material that is produced from of hydrogen sulfate and heteropoly acid. The composite membrane has a basic structure of an aromatic hydrocarbon that does not contain fluorine and has good efficiency, even at a low doping level, so it can be used for the electrolyte membrane of a medium temperature dry fuel cell. Phosphoric acid is doped into the composite membrane. Characteristics of the relationship between output current density and output voltage for an electrolyte membrane that is made from the created composite membrane (a specimen | 09-13-2012 |
20120062968 | THREE-DIMENSIONAL IMAGE PROJECTION DEVICE - Provided is a three-dimensional image projector capable of displaying a highly reproducible three-dimensional image in response to changes in a viewer's position and easily accomplishing system downsizing. The three-dimensional image projector | 03-15-2012 |
20120002201 | Spectral Device and Method for Controlling Same - A spectroscopic device with high sensitivity is provided. | 01-05-2012 |
20110236263 | Combined Detector - A combined detector capable of simultaneously detecting both a value indicating a physical/chemical phenomenon such as a pH value and the intensity of an energy beam such as light. The combined detector comprises a physical/chemical phenomenon detecting system ( | 09-29-2011 |
20110213578 | Signal Detection Device, Signal Detection Method, and Method of Manufacturing Signal Detection Device - A signal detection device allows wavelet transformation of an object signal to be performed in real time by using a real signal mother wavelet. The signal detection device has: an object signal decomposition unit having a lifting scheme structure or a multiple analysis structure relying on multiresolution analysis; a parasitic filter coupled to a desired decomposition filter of the object signal decomposition unit, with the parasitic filter being configured such that a real signal mother wavelet is inputted to the object signal decomposition unit and a generic discrete wavelet transformation is performed, the parasitic filter substantially reproduces and outputs the inputted real signal mother wavelet, and with the real signal mother wavelet being made up of the object signal; means for inputting the object signal to the object signal decomposition unit and performing discrete wavelet transformation using the real signal mother wavelet; and means for computing a wavelet instantaneous correlation on the basis of an output of the parasitic filter. | 09-01-2011 |
20110174987 | Spectroscopic Device, and Method for Driving the Device - Provided is a spectroscopic device of a new constitution, which is suited for detecting precisely a fluorescent light emitted from an inspection object in a fluorometric analysis, such as a DNA. The spectroscopic device ( | 07-21-2011 |
20100128589 | COMPOSITION FOR HOLOGRAPHIC RECORDING MEDIUM - A composition for holographic recording medium, which can be coated in a uniform thickness and enables to simply produce a high definition holographic recording medium is provided. And a holographic medium having a low error rate, high storage capacity, high-performance, high-density, which is produced using the composition for the holographic recording medium, is also provided. The composition comprises a (meth)acrylic acid ester group-containing polymerizable substance, an alicyclic epoxy group-containing cationical polymerizable substance of which is ring-opening polymerized by heat, and a hydroxyl group-containing substance which is reactive with the alicyclic epoxy group-containing cationical polymerizable substance. The holographic recording medium is produced by forming a holographic recording layer on a substrate by applying the composition on the base material and polymerizing the alicyclic epoxy group-containing cationical polymerizable substance and the hydroxyl group-containing substance. | 05-27-2010 |
20100096666 | LAMINAR STRUCTURE ON A SEMICONDUCTOR SUBSTRATE - An object of the present invention is to provide a ferroelectric element having excellent properties, which includes a monocrystalline film of γ-Al | 04-22-2010 |
20100054607 | Three-Dimensional Model Search Method, Computer Program, and Three-Dimensional Model Search System - A novel search method having an advantage over the DSR 472 method the search accuracy of which is currently said to be the highest level is proposed. At the feature value computation stage, the two-dimensional image used in computation of the three-dimensional model feature value (excluding a contour feature value) is corrected so that the gray scales of the pixels are emphasized more as the distance from the center of the two-dimensional image increases. | 03-04-2010 |