Patent application number | Description | Published |
20110056291 | Angular Velocity Detecting Apparatus - An angular-velocity detecting apparatus including a synchronous-detection unit for performing the synchronous detection of a displacement signal from a vibrator, a unit for changing a voltage value so that the output of the synchronous-detection unit always becomes equal to its maximum value, the voltage value being applied to a resonant-frequency adjusting electrode, and a unit for feeding back the output of the voltage-value changing unit to the resonant-frequency adjusting electrode in a detection-axis direction. | 03-10-2011 |
20110238363 | Apparatus for Detecting Angular Velocity and Acceleration - An apparatus for detecting angular velocity and acceleration having diagnosing units for diagnosing the function of detecting angular velocity; diagnosing units for diagnosing the function of detecting acceleration; a diagnosing unit for a DSP or a MPU; multiple ROMs storing the same data; a diagnosing unit for the ROMs; a diagnosing unit for a RAM; a unit for outputting the outputs of the angular velocity sensor, the acceleration sensor and the results of diagnoses all together in response to an output command from an external device; and a unit for sending error detection codes along with the sensor outputs and the result of diagnoses when the sensor outputs and the results of diagnoses are outputted together. | 09-29-2011 |
20110252886 | Angular Velocity Sensor - Failures can be detected with high accuracy even the ambient temperature changes or background vibration is applied. An angular velocity sensor is composed of a vibrator which is elastically and displaceably supported on a substrate; a driving means which vibrates the vibrator in the drive axis direction horizontal to the substrate surface; a displacement detecting means in the detection axis direction, which detects a displacement of the vibrator in the detection axis direction horizontal to the substrate surface and perpendicular to the drive axis direction; an angular velocity detecting means which detects an angular velocity based on the displacement of the vibrator in the detection axis direction; a self-vibration detecting means that detects self-vibration of the vibrator, which is generated due to leakage in the detection axis direction of the vibration of the vibrator in the drive axis direction; a self-vibration feedback circuit which completely cancels the self-vibration of the vibrator; and an abnormality determining means which determines abnormality using an output from the self-vibration detecting means. | 10-20-2011 |
20120160024 | INTAKE TEMPERATURE SENSOR - An intake temperature sensor capable of precisely detecting the temperature of intake at high speed even in a low air mass flow zone is provided. In an intake temperature sensor having a temperature detecting element | 06-28-2012 |
20120192632 | Intake Air Temperature Sensor and Thermal Airflow Meter Including the Same - An intake air temperature sensor capable of detecting an intake air temperature highly accurately and at high speed. The intake air temperature sensor of the present invention includes: a secondary passage | 08-02-2012 |
20130145840 | THERMAL FLOWMETER - Measuring flow rate of gas based on amount of heat transfer from gas to temperature-sensing resistors, comprises: substrate having hollow space formed therethrough; an insulating film deposited on the substrate so as to cover the hollow space; a heat-generating resistor formed on the insulating film; temperature-sensing resistors arranged adjacent to the heat-generating resistor; electrodes arranged at an edge of the semiconductor substrate so electrodes are parallel to the edge; and wiring connecting the electrodes and heat-generating resistors. Thermal resistance of a first area is made almost equal to thermal resistance of a second area, first area is defined by the side of the heat-generating resistor closer to the electrodes and by the side of the hollow space closer to the electrodes, and the second area is defined by the opposite side of the heat-generating resistor and by the opposite side of the hollow space. | 06-13-2013 |
20130199280 | Thermal Flow Meter - An object of the present invention is to provide a thermal type flow rate sensor that offers high sensitivity and improved reliability. A sensor element according to the present invention includes a semiconductor substrate, a cavity portion formed on the semiconductor substrate, a heating resistor formed on the cavity portion via an electrically insulating film, a heating temperature sensor for detecting heating temperature of the heating resistor, and a driving circuit for controlling the heating temperature of the heating resistor using the temperature detected by the heating temperature sensor. The heating temperature sensor comprises temperature-sensitive resistors having resistance values varying according to temperature and disposed upstream and downstream of a direction of flow of a fluid to be measured relative to the heating resistor and on upper and lower sides in a direction perpendicular to the direction of flow of the fluid to be measured relative to the heating resistor. | 08-08-2013 |
Patent application number | Description | Published |
20130247721 | METHOD FOR SEPARATING POSITIVE-POLE ACTIVE SUBSTANCE AND METHOD FOR RECOVERING VALUABLE METALS FROM LITHIUM ION BATTERY - The present invention aims at improving a recovery rate of a positive-pole active substance and preventing a recovery loss of valuable metals when a positive-pole active substance is separated from a lithium ion battery. In the present invention, a material resulting from battery dismantling obtained by dismantling a lithium ion battery is stirred using a surfactant solution, whereby a positive-pole active substance is separated from a positive-electrode substrate. Also, it is preferable that an alkaline solution is added to a positive-electrode material of a material resulting from battery dismantling, thereby dissolving a positive-electrode substrate to which a positive-pole active substance adheres to obtain a slurry containing the positive-pole active substance, and a surfactant solution is added to the slurry to disperse the positive-pole active substance in the slurry, whereby the positive-pole active substance is separated from the alkaline solution. | 09-26-2013 |
20130269484 | VALUABLE METAL LEACHING METHOD, AND VALUABLE METAL COLLECTION METHOD EMPLOYING THE LEACHING METHOD - The present invention provides a valuable metal leaching method and a valuable metal collection method, in each of which valuable metals can be leached efficiently, the amount of a reducing agent used can be reduced, and cost reduction can be achieved. In the present invention, a positive electrode material is immersed in an acidic solution together with a metal having a lower reduction potential than a reduction potential of hydrogen, whereby valuable metals are leached out from a positive-electrode active substance. | 10-17-2013 |
20140308183 | METHOD FOR PRODUCING NICKEL-CONTAINING ACID SOLUTION - The method for obtaining an acid solution containing nickel is obtained by treating a positive electrode material of a nickel-metal hydride battery. The method includes a water-washing step, wherein a positive electrode material of a nickel-metal hydride battery is water-washed by adding water, and then separated to form a positive electrode material after water-washing and a water-washed slurry. An acid-washing step then is performed, wherein an acid is added and mixed into the positive electrode material obtained after water-washing in the water-washing step, and, separation is performed to form a positive electrode material after acid-washing and an acid-washed slurry. A dissolution step is performed wherein the positive electrode material obtained in the acid-washing step is separated into a nickel solution and a dissolution residue by adding any one of an acid and an oxidizing agent. | 10-16-2014 |
20140322107 | METHOD FOR RECOVERING RARE EARTH ELEMENT - The object of the present invention is to provide a method for recovering a rare earth element, which is capable of efficiently recovering a rare earth element with high recovery rate without using any expensive chemicals, solvents or the like. In the present invention, a water-soluble salt other than sulfate ions is allowed to coexist with an aqueous solution that contains a rare earth element, and then an alkali metal sulfate is added to the aqueous solution, thereby producing a precipitate of a double sulfate of the rare earth element. | 10-30-2014 |
20140356260 | METHOD FOR SEPARATING RHENIUM AND ARSENIC, AND METHOD FOR PURIFICATION OF RHENIUM - The present invention aims at separating and removing arsenic in a stable form from raw material containing rhenium and arsenic, and reducing a circulation amount of arsenic in a rhenium purification process to obtain rhenium with low-content arsenic. A method for separating rhenium from arsenic in a rhenium purification process, wherein the raw material containing rhenium and arsenic is oxidized and leached, and separated into a leachate containing perrhenic, arsenic, and arsenous acids and a leaching residue containing arsenate, followed by purification of rhenium from the leachate, wherein an alkali is added to the leachate to obtain an arsenic-containing precipitate and a rhenium-containing solution, rhenium is separated from the obtained rhenium-containing solution, an alkali is added to either or both obtained arsenic-containing precipitate and the leaching residue containing arsenate to obtain an arsenic-containing solution and a hydroxide precipitate, and arsenic in the obtained arsenic-containing solution is fixed as a precipitate. | 12-04-2014 |
20150013499 | METHOD FOR RECOVERING LITHIUM - To provide a method for recovering lithium, that is capable of efficiently recovering lithium without containing impurities, such as phosphorus and fluorine, from a lithium-containing solution containing lithium hexafluorophosphate and separated from a lithium ion battery. In the present invention, alkali hydroxide is added to the lithium-containing solution and the solution is made to have pH 9 or more, a precipitate of a phosphate and a fluoride salt is formed, the formed precipitate is separated and removed, and then lithium is recovered from filtrate. | 01-15-2015 |
20150184268 | METHOD FOR SEPARATING AND REFINING SCANDIUM - An object of the present invention is to provide a method for separating and refining scandium capable of efficiently separating and refining the scandium from a solution containing the scandium, with improved stripping, while securing separability (selectivity) of the scandium from impurity elements. The method of the present invention involves mixing a solution containing the scandium with an organic solvent containing a trioctylphosphine oxide to extract the scandium into the organic solvent; and mixing the organic solvent with a stripping starting solution containing any one or more of water, hydrochloric acid, sulfuric acid, and oxalic acid to strip the scandium from the organic solvent. | 07-02-2015 |
Patent application number | Description | Published |
20140084862 | Charging System - Disclosed is a charging system for both plug-in charging systems and contactless charging systems, having a simple electrical configuration, and capable of achieving miniaturization and weight saving. The charging system includes a secondary cell charged via first/second coils of a transformer to which electrical power is supplied from a first power supply via a plug-in connector, and a third coil supplied with electrical power from a second power supply, a relative position of which to the second coil of the transformer is variable, and which can be magnetically coupled to the second coil when the second coil approaches the third coil, wherein the secondary cell is charged via magnetic coupling between first/second coils when charging the secondary cell by the first power supply, and the secondary cell is charged via magnetic coupling between the third coil and second coils when charging the secondary cell by the second power supply. | 03-27-2014 |
20140130596 | ANGULAR VELOCITY DETECTION DEVICE - The purpose of the present invention is to achieve accurate angular velocity detection even when an angular velocity detection sensor is set in an environment in which oscillation and electromagnetic noise have significant influence. Provided is an angular velocity detection device which has an oscillating body displaceable in first and second directions that are perpendicular to each other, and which detects, as an angular velocity, a displacement of the oscillating body in the second direction while the oscillating body is being oscillated in the first direction, wherein in accordance with a frequency change in a drive signal for oscillating the oscillating body in the first direction, the frequency of a servo signal for detecting the angular velocity from the quantity of displacement in the second direction is changed (see | 05-15-2014 |
20140159174 | FLOWMETER - A flowmeter that improves a corrosion resistance is provided. | 06-12-2014 |
20140167781 | SENSOR DEVICE - An objective of the present invention is to provide a sensor device with an increased accuracy. In order to achieve the objective, provided is a sensor device includes: an external terminal | 06-19-2014 |
20140326064 | Thermal Type Flowmeter - Provided is a thermal type flowmeter in which contamination of a sensor element is reduced. The flowmeter includes a sensor element including a heating resistor formed in a thin film part, the thin film part being provided on a diaphragm formed on a substrate; a support member to locate the sensor element thereon; a secondary channel that includes part of the support member and takes in part of intake air flowing through an air intake pipeline; and a guide member provided on the support member or the sensor element that lies on a line L that extends along an air flow in the secondary channel and passing over the thin film part, the guide member allowing fine particles to be guided in a direction away from the line L, the fine particles coming together with an air flow along the surface of the support member or the sensor element. | 11-06-2014 |
20140360262 | Flow Rate Measuring Device - A flow rate measuring device with high precision is provided. | 12-11-2014 |
20150260765 | Sensor Device - In a related art sensor device, an output voltage of the sensor device is fixed not to a power supply voltage or a ground potential but to an intermediate potential upon disconnection of a power supply line or a ground line. A sensor device | 09-17-2015 |
20150300858 | THERMAL FLOW METER - In configurations in which a circuit element is connected in parallel with a resistor, it is difficult to detect a break in the two wires. A thermal flow meter includes a heating element and a temperature controlling bridge circuit that is formed of a plurality of resistors and controls the temperature of the heating element. The thermal flow meter includes: a circuit element connected in parallel with at least one resistor configuring the temperature controlling bridge circuit through two wires drawn from both ends of the resistor; a voltage detection circuit that detects that the magnitude of voltage produced between the two wires has become smaller than a first predetermined value; and a fault signal output circuit that, when it is detected at the voltage detection circuit that the. magnitude of the voltage has become smaller than the first predetermined value, outputs a signal indicating a fault. | 10-22-2015 |
20150377676 | Fluid Measurement Device - There is provided a fluid measurement device that is high in measurement precision. The fluid measurement device has a circuit unit into which a first signal S | 12-31-2015 |
20160003686 | INTAKE AIR TEMPERATURE SENSOR AND FLOW MEASUREMENT DEVICE - An object of the present invention is to provide a compact and highly accurate intake air temperature sensor by integrating a fixed resistor, connected in series to a temperature sensing element, into an integrated circuit and dispensing with a reference resistor or a changeover switch for connecting the fixed resistor to this reference resistor. The intake air temperature sensor has a temperature sensing element whose resistance value varies with the intake temperature; an integrated circuit electrically connected to the temperature sensing element; a resistive element connected in series to the temperature sensing element; a writable memory that stores correction information corresponding to the resistance value of the resistive element; and a correction processing unit that corrects errors based on the resistance value of the resistive element, which are included in output signals of the temperature sensing element, on the basis of the correction information stored in the writable memory. | 01-07-2016 |