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| Number | Title | Issue Date |
| 8047074 | Humidity sensor and method of manufacturing the same Provided are a humidity sensor and a method of manufacturing the same. The humidity sensor has high sensitivity, quick response time, improved temperature characteristics, low hysteresis and excellent durability. Moreover, for the humidity sensor, a humidity sensiti... | 11/01/2011 |
| 7770449 | Resistive-type humidity sensing structure with microbridge and method therefor A resistive-type humidity sensing structure with microbridge includes a substrate, a sensing portion, and two measuring electrodes. An isolated layer and a bridge are respectively formed on the substrate. The sensing portion includes a resistive and humidity sensing... | 08/10/2010 |
| 7597001 | Humidity measuring apparatus and image forming apparatus A humidity measuring apparatus including: a humidity detecting element whose resistance value changes according to a humidity change; a resistor serially connected to the humidity detecting element; a signal output unit which outputs a clock signal to the humidity d... | 10/06/2009 |
| 7552635 | Humidity sensor capable of self-regulating temperature compensation and manufacturing method thereof A humidity sensor capable of self-regulating temperature compensation and a manufacturing method thereof overcomes the inaccuracy caused by the resistor value of a conventional humidity-sensitive element changing depending due to changes in the temperature. The pres... | 06/30/2009 |
| 7363813 | Temperature and moisture probe A probe for measuring the temperature and moisture of a gas has an aspirated flow passage with a configuration that causes the gas to have turbulent flow and, therefore, to mix. A dry bulb thermometer and a wet bulb thermometer positioned in the flow passage downstr... | 04/29/2008 |
| 7340949 | Precipitation measurement device A precipitation measurement device measures a precipitation rate of falling precipitation. A first probe is exposed to the falling precipitation. A first temperature sensor detects a first probe temperature. A second probe is shielded from the falling precipitation.... | 03/11/2008 |
| 7331531 | Condensation sensor A measuring device for detecting a humidity and temperature of a surface of a glass pane facing an interior of a vehicle. The measuring device includes at least one humidity sensor and at least one temperature sensor jointly arranged on the surface of the glass pane... | 02/19/2008 |
| 7249493 | Method and apparatus for measuring relative humidity of a mixture A method and apparatus for measuring relative humidity of a mixture that provides a quick response time for thermal lag while affording protection to fragile sensors. In one aspect, the invention is a method for calculating the relative humidity of a mixture compris... | 07/31/2007 |
| 7233226 | Method of producing a platinum temperature sensor A Platinum temperature sensor comprises a ceramic substrate and a platinum thin-film resistor applied to said ceramic substrate, a ceramic cover layer and a connecting layer generated from a ceramic green layer by pressure and temperature treatment. The ceramic cove... | 06/19/2007 |
| 7210333 | Humidity sensor and method of using the humidity sensor A humidity-sensitive porous layer (13) of a humidity-sensitive element section (3) of a humidity sensor (1) is formed of a crystalline phase oxide grains such as Al2O3—SnO2—TiO2 and of a glass phas... | 05/01/2007 |
| 7175136 | Method and apparatus for detecting conditions conducive to ice formation A method for detecting ambient conditions conducive to ice formation. The method includes the steps of measuring at least one parameter selected from a group of parameters consisting of a static pressure, a total pressure, a total temperature, a dew point temperatur... | 02/13/2007 |
| 7176700 | Moisture sensor device and self-diagnosing method therefor A moisture sensor device includes a sensor portion having a capacitance that is varied in accordance with surrounding humidity, a signal processor for processing a detection signal of the sensor portion and outputting the signal corresponding to the humidity, a heat... | 02/13/2007 |
| 7152458 | Nano-crystalline and/or metastable metal hydrides as hydrogen source for sensor calibration and self-testing Sensor systems and methods are disclosed herein. In general, a sensor can be provided for detecting the presence of a gas (e.g., hydrogen) in an area proximate to the sensor component. A composite material is generally associated with the sensor, wherein the composi... | 12/26/2006 |
| 7150184 | Density independent moisture analyzer Systems and methods for the on-site determination of water content in crude oil. The water content of crude oil is determined by mixing a sample of the crude oil with a fixed amount of molecular sieves. The electromagnetic characteristics of the molecular sieves upo... | 12/19/2006 |
| 7114848 | Environment sensor An environment sensor (11) for measuring the temperature and humidity can be miniaturized and can respond at high speed. The environment sensor (11) includes a temperature sensing portion (111) having a temperature-sensitive material (1) ... | 10/03/2006 |
| 7092833 | Method and circuit for linearizing nonlinear curves A method for linearizing a nonlinear curve with a linearization circuit (1), wherein the curve represents the relationship between input signals and output signals of a sensor. An output signal (100, 110, 120) of the sensor, which is respectively assoc... | 08/15/2006 |
| 7080545 | Apparatus and process for sensing fluoro species in semiconductor processing systems A gas detector and process for detecting a fluorine-containing species in a gas containing same, e.g., an effluent of a semiconductor processing tool undergoing etch cleaning with HF, NF3, etc. The detector in a preferred structural arrangement employs a ... | 07/25/2006 |
| 7077004 | Method and device for measuring humidity A method and a device for measuring humidity may be suitable for determining the relative humidity in the high-humidity range. The device includes a sensor device, as well as a circuit connected to the same. The sensor device includes a capacitive humidity-sensor el... | 07/18/2006 |
| 7076403 | Apparatus and method for dynamic smoothing An apparatus and a method for receiving and processing noisy communications signals automatically varies multiple processing parameters to both improve signal-to-noise ratio and to minimize delays in responding to changes in the incoming signal. The signal-to-noise ... | 07/11/2006 |
| 7062968 | Temperature control apparatus for humidity sensor A temperature control apparatus for a humidity sensor is provided for preventing impurities from sticking on a sensor element, while protecting the sensor element from cracking due to the humidity sensor heated by a heater in the presence of condensation, to maintai... | 06/20/2006 |
| 7052180 | LED junction temperature tester An instrument measures the LED junction temperature directly by taking advantage of the linear relationship between the forward current driven through the LED, the forward drop of the LED, and the junction temperature to determine the LED junction temperature. | 05/30/2006 |
| 7032448 | Capacitive humidity sensor A capacitive humidity sensor includes a detection portion and a reference portion. The detection portion includes detection electrodes and a moisture sensitive film. The reference portion includes reference electrodes and a moisture permeation film as a capacitance ... | 04/25/2006 |
| 7028530 | Gas detector There is provided a gas detector capable of detecting hydrogen concentration and humidity independently in the environment containing both hydrogen and water vapor. The gas detector comprises a high-temp exothermic detector unit and a low-temp exothermic detector un... | 04/18/2006 |
| 6975047 | Temperature-based cooling device controller apparatus and method A temperature-based cooling device controller is implemented in an integrated circuit such as a microprocessor. The temperature-based cooling device controller includes a register to store a threshold temperature value, a thermal sensor, and clock adjustment logic t... | 12/13/2005 |
| 6960844 | Electric switching device An electric switching device for alternating current comprises two branches (2, 3) connected in parallel in a current path and having each at least two contact members (4–7) connected in series. A semiconductor device (8) is adapted to interco... | 11/01/2005 |
| 6938482 | Humidity sensor element containing polyphenylsulfone A humidity sensor element for a humidity sensing device includes a rigid, p doped silicon substrate, a non-porous terminal on one side of the substrate, a porous terminal on a second side of the substrate, and a layer of polyphenylsulfone between the porous terminal... | 09/06/2005 |
| 6895803 | Humidity sensor A method and apparatus are described for sensing the absolute humidity of gases where the relative humidity of gases are measured, the humidity transducer is heated, the resulting temperature measured and the absolute humidity calculated (based on the power to heat ... | 05/24/2005 |
| 6883371 | Humidity sensor A humidity sensor including an insulating substrate, and a lower electrode formed from a noble metal, a moisture sensitive layer formed of a porous body predominantly containing alumina and containing predetermined amounts of TiO2 and SnO2 and ... | 04/26/2005 |
| 6865940 | Aluminum oxide moisture sensor and related method A method of operating an aluminum oxide moisture sensor to measure moisture in a sample gas, where the sensor comprises a pair of electrodes sandwiched about a dielectric, the method comprising: a) heating the sensor to a first temperature above the sample gas tempe... | 03/15/2005 |
| 6865494 | Method and apparatus for noise tomography The subject invention pertains to an imaging technique and apparatus which can utilize an array of RF probes to measure the non-resonant thermal noise which is produced within a sample, such as a body, and produce a non-resonant thermal noise correlation. The detect... | 03/08/2005 |
| 6840103 | Absolute humidity sensor An absolute humidity sensor for a microwave oven is disclosed. The absolute humidity sensor includes a substrate having a first hole and a second hole in a predetermined region, a membrane formed on the substrate, a humidity sensing element formed on the membrane wh... | 01/11/2005 |
| 6812821 | Humidity sensor A humidity sensor comprising an insulating substrate, a detection electrodes and a moisture-sensitive layer, wherein the moisture-sensitive layer is a porous layer and has a thickness not greater than 200 μm. ... | 11/02/2004 |
| 6568265 | Humidity sensor and method for making A humidity sensor includes a pair of interdigital electrodes disposed on an insulating substrate and defining a gap therebetween, an undercoat layer of silane compound lying on the gap-defining electrodes and substrate, and a humidity sensitive thin film ... | 05/27/2003 |
| 6566893 | Method and arrangement for monitoring surfaces for the presence of dew A method and device for detecting condensation on surfaces of structural components. A evaluation signal is generated before dewing while the structural component is cooling. A detectable film is produced on a measuring arrangement a few degrees Kelvin be... | 05/20/2003 |
| 6564633 | Measurement method and system for a humidity or gas concentration sensor A method and system relating to an improvement in measuring accuracy of a gas concentration sensor, the method comprising the steps of measuring a parameter of the sensor, the parameter being a resistance or a capacitance, that is sensitive to the gas or ... | 05/20/2003 |
| 6499338 | Moisture management of textiles Moisture management indexes are determined for a textile sandwiched between two plates. Electrical conductors arranged in concentric opposing pairs are used to measure changes in electrical resistance of the fabric. A quantity of water (or other chosen li... | 12/31/2002 |
| 6483324 | System for measuring humidity A device for measuring moisture is described. This device includes a sensor unit (1) having a moisture-sensitive sensor element (1.1) and a carrier element (2), upon which the sensor unit is mounted. The carrier element (2), as well as the sensor unit (1)... | 11/19/2002 |
| 6422062 | Integrated glass fog sensor unit Described is an integrated glass fog sensor unit utilized to provide the necessary data to predict glass fog formation. The unit includes a glass surface temperature sensor, an ambient air temperature sensor, and a relative humidity sensor. The unit is mo... | 07/23/2002 |
| 6383451 | Electric resistance sensor for measuring corrosion rate The present invention relates to an electric resistance sensor for measuring a corrosion rate, and in particular to an electric resistance sensor for measuring a corrosion rate which can measure a slight corrosion resulting from pitting by using a plurali... | 05/07/2002 |
| 6342295 | Moisture sensor A moisture sensor includes a moisture-sensitive film between a pair of electrodes having conductive particles dispersed in a hygroscopic polymer. The hygroscopic polymer is a polymer comprising a polyether amine, an epoxy compound, and optionally a water-... | 01/29/2002 |
