| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073290010 | Moisture content or vapor pressure | 83 |
| 20090272176 | ESTIMATING RELATIVE HUMIDITY INSIDE A COMPUTER SYSTEM - One embodiment of the present invention provides a system that estimates the relative humidity inside a computer system. During operation, a set of performance parameters of the computer system and an external relative humidity outside of the computer system are monitored. Then, the relative humidity inside the computer system is estimated based on the set of performance parameters, the external relative humidity, and a relative humidity model, wherein training of the relative humidity model includes measuring an external training relative humidity outside of the computer system and a training relative humidity inside the computer system while monitoring the set of performance parameters of the computer system. | 11-05-2009 |
| 20110271741 | Sensor - An energy-autonomous sensor for detection of physical environmental parameters, having at least one sensor element, one storage element and one control circuit, with a timer circuit which is activated on reaching a predetermined electrical voltage on the storage element, activates the sensor and the control circuit at predetermined time intervals, and deactivates them after a predetermined operating time, such that this results in a time duration of sensor operation and a sensor operation pause. | 11-10-2011 |
| 20080264148 | Sensor - An energy-autonomous sensor for detection of physical environmental parameters, having at least one sensor element, one storage element and one control circuit, with a timer circuit which is activated on reaching a predetermined electrical voltage on the storage element, activates the sensor and the control circuit at predetermined time intervals, and deactivates them after a predetermined operating time, such that this results in a time duration of sensor operation and a sensor operation pause. | 10-30-2008 |
| 20090113989 | HYDROCARBON LIQUID-SEAL DEVICE AND A HYDROCARBON VAPOR TESTING SYSTEM HAVING THE HYDROCARBON LIQUID-SEAL DEVICE - A hydrocarbon liquid-seal device is provided. The device includes first and second conduits in fluid communication with each other such that the first and second conduits define a flow path therethrough configured to pass a hydrocarbon vapor. The first and second conduits are in a spaced relationship and are not rigidly coupled to one another for isolating a vibration or movement respectively therein. The device further includes a liquid disposed within a space between first and second end portions of the first and second conduits, respectively, such that the liquid blocks the space between the first and second end portions and seals the hydrocarbon vapor in the flow path. | 05-07-2009 |
| 20100154512 | Methods and Systems for Measuring Atmospheric Water Content - Methods and systems for measuring atmospheric water content, are provided. The method includes measuring a first air temperature and a first air pressure at a first location in a compressor, measuring a second air temperature and a second air pressure at a second location in the compressor, computing a ratio of specific heats from the first and second air temperatures and the first and second air pressures, and determining an atmospheric water content from the ratio of specific heats. | 06-24-2010 |
| 20110088454 | DEVICE FOR SELECTIVELY DETERMINING THE QUANTITY OF OIL MIST OR AEROSOLS - A measuring sensor ( | 04-21-2011 |
| 20130008232 | System and a Method Relating to Measuring Humidity in a Ventilated Space - The present invention relates to a system and a method for measuring humidity in a ventilated space ( | 01-10-2013 |
| 073290020 | Hygrometer | 69 |
| 20090064761 | Device for detecting a measured value - A device for detecting a measured value includes a measuring transducer and a channel sensor, which is implemented as an essentially cylindrical tube having a first end and a second end and may be mounted in a wall when the measuring transducer is situated on the channel sensor. A detachable fastening device is included for fastening the measuring transducer to the channel sensor and may be disposed between the measuring transducer and the channel sensor. The channel sensor may be connected to the measuring transducer via a cable. | 03-12-2009 |
| 20100043529 | NANOFIBERS AND METHODS OF MAKING SAME AND USING SAME IN HUMIDITY SENSORS - A new type of highly efficient and self-cleaning humidity sensor based on Mg | 02-25-2010 |
| 20100005857 | Interactive mobile aquatic probing and surveillance system - An Interactive Mobile Aquatic Probing and Surveillance system. The system includes a remote aquatic or amphibious agent which is controlled by a typically land-based computer host. The agent is a field robot in the form of a comparatively small and inexpensive, untethered, self-propelled, aquatic or amphibious, non-submersible vehicle that preferably carries physical and water characteristic sensors, as well as other operational equipment for use on relatively small bodies of water and wetlands. The host interacts with a human operator and provides control commands to and receives data from the agent in real time via a wireless communication between the agent and the host. The control commands include guidance commands including navigational and propulsion commands as well as commands for operating the sensors and various other equipment carried by the agent. | 01-14-2010 |
| 20090107214 | TERAHERTZ SENSOR TO MEASURE HUMIDITY AND WATER VAPOR - A first frequency of electromagnetic radiation and a second frequency of electromagnetic radiation are received at a detector. The first and second frequencies of electromagnetic radiation are transmitted through a medium within a frequency range of approximately 0.1 TeraHertz to approximately 10 TeraHertz. Signals are generated that are proportional to the transmittance of the frequencies of electromagnetic radiation through the medium. A ratio of the of the signals is formed, and one or more of a relative humidity, an absolute humidity, and a water vapor concentration of the medium are calculated as a function of a temperature of the medium, the ratio, and a set of functional parameters associated with the temperature of the medium. | 04-30-2009 |
| 20130118232 | METHOD AND DEVICE FOR MONITORING A HUMIDITY SENSOR IN A COMBUSTION ENGINE, USING OXYGEN MEASUREMENT OF OTHER SENSORS IN THE ENGINE, SUCH AS NOX, LAMBDA AND/OR OXYGEN SENSORS - The present invention provides for a method and device for monitoring an ambient humidity sensor in a combustion engine, where the monitoring of the ambient humidity sensor is made by comparing the ambient humidity measured by said humidity sensor and an ambient humidity determined from an oxygen measurement of at least another sensor in the engine system, such as a NOX, or Lambda and/or an oxygen sensor. Said comparison is made using an offset of the oxygen signal reading of said at least another sensor, in a fuel cut condition where the drift or offset of said another sensor is related to the variation of the ambient humidity. | 05-16-2013 |
| 20120096926 | ADHESIVE ASSEMBLY AND ASSEMBLY AND REINFORCEMENT METHODS COMPRISING THE USE THEREOF - An adhesive assembly is provided in particular for assembling a novel element on a structure or further for reinforcing a structure. The adhesive assembly includes a substrate, a rigid element placed with an interval relative to the substrate, at least one seal compressed between the substrate and the rigid element and defining a sealed space within said interval, and a hardened adhesive occupying said space. The seal is compressed by the rigid element that is held on the substrate by the hardened adhesive. | 04-26-2012 |
| 20080314118 | Packaging multiple measurands into a combinational sensor system using elastomeric seals - A combinational sensor system for measuring multiple measurands includes a flow transducer, a pressure transducer and a humidity transducer. The pressure and humidity transducers are provided with independent access to sensed media and are ratiometric to a supply voltage, whereas the flow sensor is sensitive to openings to the flow path. The combinational sensor system utilizes elastomeric seals that include patterned electrically conductive and non-conductive seals. An ASIC is generally associated with the combinational sensor, and is located on a patterned electrically conductive substrate lead frame or for signal conditioning in order to detect any of the sensed measurands. The transducers can be arranged in a manner that distributes the transducers to optimize the accuracy and response time of the combinational sensor system. | 12-25-2008 |
| 20090255323 | PROTON EXCHANGE MEMBRANE FUEL CELL HUMIDITY SENSOR - A humidity sensing device for determining the amount of humidity in at least one primary fluid stream that is passed to a fuel cell stack is provided. The sensing device includes an outer housing and an inner housing. The outer housing is positioned within at least one conduit such that the outer housing and the conduit coact with each other to generate at least one secondary fluid stream from the primary fluid stream. The inner housing is positioned within the outer housing such that the inner housing is configured to receive the secondary fluid stream and to measure an amount of water present in the secondary fluid stream to determine the amount of humidity in the primary fluid stream. | 10-15-2009 |
| 20120192622 | GEO-LOCATION SYSTEMS AND METHODS BASED ON ATMOSPHERIC PRESSURE MEASUREMENT - System and method for geo-location of a device (such as a tag) using barometric pressure readings taken in the vicinity of the device and correlated to datasets of barometric pressure that have pressure gradients over time and space. The readings taken in the vicinity of the device may be correlated to the datasets using an iterative Bayesian approach to determine a geo-location of the device with a high degree of confidence. | 08-02-2012 |
| 20100257918 | METHOD FOR DETERMINING EXPECTED WATER UPTAKE IN HYGROSCOPIC MATERIAL - Some embodiments relate to methods and processes for determining how a range of weather conditions can affect a selected physical parameter of a material. In some embodiments the weather conditions can include relative humidity and/or temperature, and the selected physical parameter can be mass and or dimensions. For instance, some embodiments can be used to estimate the amount of water that a material may be expected to absorb under in-service conditions. In some embodiments the amount of water can defined by a range bounded by amounts observed at opposing extremes of simulated conditions. | 10-14-2010 |
| 20100206046 | FLOW-THROUGH PRESSURE SENSOR APPARATUS - A flow-through pressure sensor apparatus that reduces the dead space of a flow tube utilized to provide fluid communication between a pressure sense die and a fluid and with an absolute minimum trapped volume. A cover (e.g., plastic) with two-molded ports can be added to one side of the pressure sense die utilizing molded-in solder pins to improve ruggedness and rigidity. A temperature and a humidity sensor can also be mounted to a substrate (e.g., ceramic) in the flow path and can be connected to a programmable compensation integrated circuit on the opposite side utilizing a clip end of mounting pins or by vias through the substrate outside a pressurized area. | 08-19-2010 |
| 20100206047 | APPARATUS FOR DETECTING FOGGED WINDOW OF VEHICLE - A fog sensing apparatus for vehicle windows is provided. The fog sensing apparatus includes: a temperature/humidity sensor module including a glass surface temperature sensor for measuring a temperature of a glass surface of the vehicle window, and a humidity sensor for measuring relative humidity around the glass surface of the vehicle window; a flexible printed circuit board on which the temperature/humidity sensor module is mounted, which a temperature measurement part of the glass surface temperature sensor contacts, and on which a conductive pattern is formed to be connected to electrode terminals of the glass surface temperature sensor and electrode terminals of the humidity sensor; a substrate assembly having a through hole for the temperature/humidity sensor module to pass through, and connection terminals connected to the conductive pattern; and a case covering the substrate assembly, the substrate assembly interposed between the case and the flexible printed circuit board. | 08-19-2010 |
| 20100288016 | Device and Method for Measuring the Geometry of a Workpiece - In order to improve a device for measuring the geometry of a workpiece in such a way that the geometrical measurements are particularly precise wherein the device comprises a housing having a flow channel in which there is arranged a reference nozzle for the passage of a test fluid therethrough and a first pressure measuring device for measuring a first pressure of the test fluid upstream of the reference nozzle and also a second pressure measuring device for measuring a second pressure of the test fluid downstream of the reference nozzle, it is proposed that the device should comprise a differential pressure measuring device for measuring the differential pressure of the test fluid across the reference nozzle. | 11-18-2010 |
| 20100300180 | METHOD AND DEVICE FOR DETECTING THE COMPOSITION OF GAS MIXTURES - A method for detecting the composition of an unknown gas mixture (M | 12-02-2010 |
| 20110011161 | METHOD FOR ESTIMATING PROPERTIES OF CONCRETE - Provided are procedures for estimating the amount of water vapor emissions as well as other properties, such as slump and volume yield, of a concrete or cementitious mix used in producing a concrete. | 01-20-2011 |
| 20100058835 | SENSOR FOR HUMIDITY AND MANAGEMENT SYSTEM THEREFOR - The present invention relates to a sensor for humidity, etc. which has high precision, very small electrical power consumption and simplified composition, and a management system therefor. The sensor and the management system therefor according to the present invention are also economical. The sensor according to the present invention comprises two electrode pads and an absorption layer for absorbing moisture, etc. between them, and detects a capacitance variation and a resistance variation between the electrode pads, measuring humidity, etc. in real time. In the sensor, one or both of the electrode pads can be made by printing or coating a conductive material on a paper pad or a fabric pad in a mesh shape of fine lines. Or the electrode pads can be fabrics with fine thread of a mesh-type electric conductor coated by an absorptive material having an insulating property. | 03-11-2010 |
| 20110061445 | SENSOR ARRANGEMENT - A sensor arrangement includes an optical sensor, a non-optical sensor, a sensor holder, and main and flexible interconnect devices. The sensor arrangement can be fixed to a vehicle window by the sensor holder. The sensor holder is in the form of a sensor housing having a sensor housing cover and a second housing body attached to one another. The sensor housing cover and the sensor housing body each have corresponding bracket sections which form a bracket connected to the sensor housing. The main interconnect device is positioned within the sensor housing. The optical sensor is connected to the main interconnect device. The flexible interconnect device is connected to the main interconnect device and extends from the main interconnect device to the bracket connected to the sensor housing. The non-optical sensor is connected to the flexible interconnect device within the bracket and is held by the bracket. | 03-17-2011 |
| 20110113857 | ONLINE ESTIMATION OF CATHODE INLET AND OUTLET RH FROM STACK AVERAGE HFR - A method for estimating cathode inlet and cathode outlet relative humidity (RH) of a fuel cell stack. The method uses a model to estimate the high frequency resistance (HFR) of the fuel cell stack based on water specie balance, and also measures stack HFR. The HFR values from the estimated HFR and the measured HFR are compared, and an error between the HFR values is determined. An online regression algorithm is then utilized to minimize the error and the solution of the regression is the RH profile in the stack including the cathode inlet and outlet relative humidities. | 05-19-2011 |
| 20110132071 | AIRFLOW BENCH WITH LAMINAR FLOW ELEMENT - A testing system includes a single air collection box and a laminar flow system for obtain an airflow measurement. The single airflow box has air inlet and outlet ports at opposite ends. The laminar flow element has a laminar flow element inlet in fluid communication with the air collection box and a laminar flow element outlet sealed with the air outlet port of the air collection box. A blower in fluid communication with the laminar flow element outlet draws airflow into the air collection box through a unit under test and out of the air collection box through the laminar flow element. A pressure transducer senses the differential air pressure across the laminar flow element and enables a determination of the airflow rate. | 06-09-2011 |
| 20110005301 | Perspiration Simulator - The present invention provides an apparatus and method for simulating the thermal and perspiratory properties of human skin. The present invention provides an apparatus capable of being formed into any anthropometric form to emulate the thermal and perspiratory properties of an equivalent human part. The apparatus generally comprises thermally controlled, contoured, skeletal structure, typically made of metal, which can be split into any number of individually heated zones. The skeletal structure is covered with a correspondingly contoured soft synthetic polymer skin, incorporating any number of sweat zones, which is adhered to the skeletal structure. Each sweat zone is comprised of a reservoir of artificial perspiration embedded into the reverse of the skin punctured with wicking threads leading to the surface of the skin. Each sweating zone is individually dosed using a controllable pump, and a network of valves direct the sweat flow. | 01-13-2011 |
| 20120036918 | APPARATUS, DEVICE AND METHOD FOR ARRANGING AT LEAST ONE SAMPLE CONTAINER - An apparatus for arranging at least on sample container inside an optical measuring device includes a carrier for arranging the sample container and a ventilation device. The ventilation device is arranged adjacent to the carrier and is provided with at least one air outlet arranged above the carrier. The ventilation device includes at least one heating element for generating an airflow and heating up the airflow. | 02-16-2012 |
| 20110094292 | Apparatus for air property measurement - An air property measurement apparatus comprising a probe and controller. The probe houses a plurality of filters, a temperature sensor, a heating element, and an integrated temperature and relative humidity sensor. In one embodiment, air that enters the probe flows through the temperature sensor, heating element, and integrated temperature and relative humidity sensor, then exits through at least one of the plurality of filters. The controller-determines the air/gas property relationships, allows input of actual ambient pressure and/or atmospheric pressure values, and ascertains the dew point using temperature and relative humidity values as measured by the integrated sensor. Air property values are based on the dew point and temperature as measured by the temperature sensor. The apparatus is suitable for but not limited to relative humidity measurements as well as industrial applications where high humidity conditions exist. In HVAC applications the apparatus provides improved economizer and cooling tower control. | 04-28-2011 |
| 20110088455 | DEVICE AND METHOD FOR HUMIDITY ESTIMATION - A humidity estimation device connected with an air-conditioner includes a charge airflow rate estimation (CARE) unit, a charge air absolute humidity estimation (CAAHE) unit, an indoor generated vapor amount estimation (IGVAE) unit, and an indoor absolute humidity estimation (IAHE) unit. The CARE unit calculates an estimated charge airflow rate (ECAR) of the air-conditioner based on operation control information of the charge fan and a preset fan differential pressure. The CAAHE unit calculates an estimated charge air absolute humidity (ECAAH) of the air-conditioner based on a charge air temperature and a preset charge air relative humidity. The IGVAE unit calculates an estimated indoor generated vapor amount (EIGVA) based on an indoor temperature, the number of persons in the room and activity index values of the persons. The IAHE unit calculates an estimated absolute humidity in the room based on the ECAR, the ECAAH and the EIGVA. | 04-21-2011 |
| 20100011837 | ARRANGEMENT AND METHOD FOR PROTECTIVE-GAS MEASUREMENT - The invention relates to an arrangement and a method for measuring a protective gas ( | 01-21-2010 |
| 20120234078 | SENSOR DEVICE - A sensor device determines an amount of liquid contained or stored in an object to be tested. The sensor device contains at least one heating element and at least one humidity sensor. When operated, the sensor device defines at least one volume which can be sealed off by placing the device on the surface of the object to be tested. The heating element is configured to heat at least part of a surface of the object delimiting the volume, the humidity sensor measuring the humidity in the interior of the volume. | 09-20-2012 |
| 073335010 | With optical element | 1 |
| 20090301191 | DEVICE FOR DETECTING AT LEAST ONE CHEMICAL CONSTITUENT - The invention relates to a device for detecting at least one chemical component, the device comprising a light-reflecting substrate or light-reflecting background and a superior detecting layer containing at least one component swellable in the presence of the component to be detected, the detecting layer consisting of a homogeneous material and the component to be detected comprising water. | 12-10-2009 |
| 073335020 | With electric circuitry or electric circuit component detail | 41 |
| 20100089150 | Device for Determining and/or Monitoring at Least One Process Variable - An apparatus for determining and/or monitoring at least one process variable, especially the moisture content or the temperature of a medium, including at least one sensor unit. A supply canal is provided, and the supply canal is embodied, positioned and matched at least to the sensor unit in such a manner that the medium has access through the supply canal essentially only to the sensor unit. | 04-15-2010 |
| 20090308155 | PASSIVE HUMIDITY SENSORS AND METHODS FOR TEMPERATURE ADJUSTED HUMIDITY SENSING - A humidity sensor having temperature sensing includes a substrate and a RLC (damped resonant) circuit formed in or on the substrate. The RLC circuit comprises a capacitor having a first and a second electrically conductive plate and a moisture sensitive dielectric interposed between the first and second plate. An RL network comprising an inductor and a resistor is coupled to the capacitor and comprises a high relative temperature coefficient of resistance (TCR) portion formed from a first material which is coupled to a low relative TCR portion formed from a second material different from the first material. The RLC circuit can be a series RLC circuit. In another embodiment, the RLC circuit can comprises a parallel RLC circuit. | 12-17-2009 |
| 20090056439 | SENSOR FOR HUMIDITY - The present invention provides a sensor for humidity which is optimized as moisture sensitive material in basic properties such as long term stability and the like at the range of high temperature. The sensor for moisture according to the present invention is provided with a moisture sensitive film formed with polymer in which a hydrophilic group binds through at least one hydrophobic group to other hydrophilic groups. Basic properties of the sensor such as long term stability and the like is optimized by forming a moisture sensitive element provided with a moisture sensitive film formed with polymer in which the glass transition temperature is in the range of 240° C. to 500° C. | 03-05-2009 |
| 20110277547 | MEASURING HUMIDITY OR MOISTURE - An apparatus for measuring humidity or moisture, such as in concrete, is described comprising a sensor module comprising a humidity or moisture sensor in electrical communication with a first set of terminals and a hand-held reader module comprising a controller in electrical communication with a second set of terminals that are mateable with the first set of terminals such that the hand-held reader module is electrically connectable to and electrically disconnectable from the sensor module. The hand-held reader module is configured to read data from the sensor in response to making electrical connection with the sensor module. One set of terminals can comprise plural connector pins and the other set of terminals can comprise plural landing pads, such that the plural connector pins and the plural landing pads make a same electrical connection regardless of the rotational orientation of the hand-held reader module relative to the sensor module. | 11-17-2011 |
| 20100005881 | PROTECTIVE DEVICE FOR A HUMIDITY SENSOR IN AN AGGRESSIVE ATMOSPHERE - A protective device for a humidity sensor protects the sensor from aggressive substances in a fluid to be analyzed. The protective device for the humidity sensor comprises a protective cap having openings that are covered with a membrane in such a manner that mass transfer between a measuring medium present in the environment and the interior of the protective cap can only take place through the membrane, said membrane including a plastic material which is highly permeable to water vapor, has high thermal stability and high corrosive resistance. | 01-14-2010 |
| 20110290015 | GAS-CONCENTRATION/HUMIDITY DETECTION APPARATUS - A sensor control apparatus ( | 12-01-2011 |
| 20090288484 | INTEGRATED MECHANICAL PACKAGE DESIGN FOR COMBI SENSOR APPARATUS - An integrated mechanical combi sensor apparatus and method for measuring humidity, pressure and temperature. A pressure sensor and an ASIC can be mounted in a first compartment, and a temperature sensor mounted in a second compartment of a housing. Similarly, a humidity sensor can be mounted in a third compartment such that the pressure sensor, temperature sensor, and humidity sensor are isolated from each other. The sensor element associated with the sensors and the ASIC can be connected to a lead frame terminal by wire bonding for electrical connection. A pressure cover and a humidity cover can be utilized for covering the pressure sensor and the humidity sensor. The humidity sensor can include a hydrophobic filter for preventing moisture-saturated air from reaching the sensing element in order to provide accurate sensor measurements thereof. | 11-26-2009 |
| 20090100926 | Moisture Vapor Probe - One embodiment of the invention comprises a moisture vapor probe comprising a hollow sleeve and a removable electronics module. The probe has a generally cylindrical hollow sleeve having a sidewall with an inner surface and an outer surface. The sleeve comprises a sensor plate having a moisture vapor sensor and forming a water impermeable barrier with the sidewall. The sleeve has an opening such that a volume is defined by the opening, the sidewall and the sensor plate. The probe further comprises an electronics module removably disposable within the sleeve. The electronics module includes an information transfer unit. The information transfer unit in communication with the moisture vapor sensor and adapted to receive relative humidity information from the moisture vapor sensor. | 04-23-2009 |
| 20120103092 | Temperature and Humidity Measuring Device Deployed on Substrate - The present invention provides a temperature and humidity measuring and recording device deployed on substrate for measuring and recording temperature and humidity of the interior of any station for reticles and of any SMIF POD. The temperature and humidity measuring and recording device comprises a substrate with a first surface and a second surface opposite to the first surface on another side of the substrate, a first measurement unit embedded in and fixed to the first surface of the substrate for measuring the temperature and humidity of the surrounding environment, and a second measurement unit embedded in and fixed to the second surface of the substrate for measuring the temperature and humidity of the interior between the substrate and the pellicle film. | 05-03-2012 |
| 20100058857 | SURFACE ACOUSTIC WAVE BASED HUMIDITY SENSOR APPARATUS WITH INTEGRATED SIGNAL CONDITIONING - A SAW-based humidity sensor apparatus with integrated signal conditioning on the same substrate. A micro-electronic circuit can be processed at a silicon substrate to obtain on-chip signal conditioning internally and the silicon substrate can be covered with a protective layer of, for example, silicon nitride. Surface acoustic wave media (e.g., a ZnO film) can be coated on top of the protective layer. A humidity sensitive film and two sets of interdigital transducers can then be deposited on the surface acoustic wave media. The humidity sensitive film absorbs moisture and changes the receiving frequency at the two sets of interdigital transducers. The output from the two sets of interdigital transducers can be processed by the micro-electronic circuit, which eliminates common mode noise and generates an output signal proportional to the humidity value tested. | 03-11-2010 |
| 20100192687 | GAS SENSITIVE MATERIALS FOR GAS DETECTION AND METHOD OF MAKING - A gas sensitive material comprising SnO2 nanocrystals doped with In2O3 and an oxide of a platinum group metal, and a method of making the same. The platinum group metal is preferably Pd, but also may include Pt, Ru, Ir, and combinations thereof. The SnO2 nanocrystals have a specific surface of 7 or greater, preferably about 20 m2/g, and a mean particle size of between about 10 nm and about 100 nm, preferably about 40 nm. A gas detection device made from the gas sensitive material deposited on a substrate, the gas sensitive material configured as a part of a current measuring circuit in communication with a heat source. | 08-05-2010 |
| 20110088466 | HUMIDITY SENSOR - A humidity sensor has, on a substrate, at least one voltage sensor with a sensor region and at least one control electrode. The control electrode is connected to a signal source which is designed such that a variable control voltage can be applied to the control electrode. A moisture-permeable sensor layer whose dielectric constant depends on humidity is located on the sensor region. The control electrode is adjacent to the sensor layer in such a manner that the measured voltage signal of the voltage sensor depends on the control voltage and the humidity. The voltage sensor is connected to an analysis unit for ascertaining the humidity on the basis of the measured voltage signal. In the vertical projection onto the plane in which the substrate extends, the control electrode is located laterally next to the sensor region. | 04-21-2011 |
| 20090211357 | Humidity Sensing Apparatus - An apparatus ( | 08-27-2009 |
| 073335030 | Impedance | 28 |
| 20100192688 | HUMIDITY SENSOR BASED ON PROGRESSIVE CORROSION OF EXPOSED MATERIAL - A sensor senses a characteristic of an environment, e.g., humidity. The sensor has a substrate with strips of material that is sensitive to corrosion as a result of the characteristic. The strips are configured to respond differently to the characteristic. By means of repeatedly measuring the resistances of the strips, the environment can be monitored in terms of accumulated exposure to the characteristic. The strips are manufactured in a semiconductor technology so as to generate accurate sensors that behave predictably. | 08-05-2010 |
| 20110011179 | Moister sensor - A moister sensor, for measuring moister in a building without leaving visible scars to the building surface, is provided. The moister sensor includes a flexible carrier carrying an antenna for receiving EM-radiation between 9 kHz and 11 MHz and a resonant circuit including a moister reactive element. The moister reactive element includes a hygroscopic electrolyte arranged between a first and a second electrode, wherein the electrolyte in the presence of moister forms mobile ions and provides a complex impedance at least in response to the alternating voltage, which complex impedance varies with the moister content of the electrolyte. | 01-20-2011 |
| 20110239759 | DIFFERENTIAL RESONANT SENSOR APPARATUS AND METHOD FOR DETECTING RELATIVE HUMIDITY - A differential resonant sensor apparatus and method for detecting relative humidity in an ambient air. The apparatus generally includes a sensing loop, a reference loop and a mixer. A hydrophilic sensing layer can be deposited on a sensing resonant beam and a corresponding hydrophobic reference layer can be deposited on a reference resonant beam for detecting water vapor concentration in the ambient air. The hydrophobic reference layer possesses similar visco-elastic properties as the hydrophilic sensing layer with no water absorption properties. A differential reading electronic circuit may be interconnected with each resonant beam for signal processing. The absorbed humidity with respect to the sensing resonant beam changes the mechanical resonance frequency, which can be detected as a change in the electric resonance frequency of the associated electronic circuit. | 10-06-2011 |
| 073335040 | Capacitance | 17 |
| 20090095073 | Impedance sensor - An impedance sensor for detecting a mixing ratio of a liquid or a gas includes a substrate, at least a pair of electrodes, and a protective film. The substrate is configured to be disposed in the liquid or the gas. The pair of electrodes is disposed on the substrate. The protective film is disposed on the substrate so as to cover the pair of electrodes. The protective film is made of a material having a relative permittivity greater than or equal to 6. | 04-16-2009 |
| 20130098151 | CAPACITIVE SENSOR AND METHOD FOR MAKING THE SAME - The present invention relates to capacitive sensors for measuring humidity and moisture and to an improved process for making the same. The fabrication process for a capacitive sensor having a multi-layer electrodes for measuring humidity and moisture comprising disposing the multi-layer interdigitated electrodes in a multi-layer polyimides; providing a plurality of trenches on the surface of the electrode by lift off process; and covering the sensor with photosensitive negative polyimide. | 04-25-2013 |
| 20090145220 | Gas Sensor and Method for Its Production - In a gas sensor with at least two electrodes and with a sensor body which is connected thereto and is composed of a gas-sensitive material, in addition to pores which may already be present, second cavities are provided in the sensor body The second cavities may be suitable on account of their size to facilitate and accelerate the distribution of gas molecules in the sensor body and to thus improve the time response of the gas sensor. | 06-11-2009 |
| 20110138908 | HUMIDITY SENSING CIRCUIT WITH TEMPERATURE COMPENSATION - A humidity sensing circuit with temperature compensation includes a wave producing module, a phase processing module, a sensing module and a detecting module. The wave producing module outputs a wave signal. The phase processing module outputs an oscillatory wave and an invert oscillatory wave according to the wave signal. The sensing module has a temperature sensor and a humidity sensor which are connected in series. The temperature sensor and the humidity sensor respectively receive the oscillatory wave and the invert oscillatory wave. The sensing module outputs a parameter signal according to the oscillatory wave and the invert oscillatory wave. The detecting module outputs a detection signal according to the parameter signal. Hence, the humidity sensing circuit with temperature compensation senses the temperature and humidity by the simple circuit design. Moreover, it is feasible for circuit design and application. | 06-16-2011 |
| 20110005313 | HUMIDITY SENSOR - A humidity sensor that includes a humidity sensitive material. A sensing circuit associated with the humidity sensitive material estimates the ambient humidity based upon the humidity sensitive material. A heating element is associated with the humidity sensitive material. A temperature circuit temporarily increases the temperature proximate the humidity sensitive material and thereafter the sensing circuit estimates the ambient humidity. | 01-13-2011 |
| 20110146400 | CAPACITIVE SENSOR - A capacitive sensor for detecting the presence of a substance includes a plurality of upstanding conductive pillars arranged within a first layer of the sensor, a first electrode connected to a first group of the pillars, a second electrode connected to a second, different group of the pillars, and a dielectric material arranged adjacent the pillars, for altering the capacitance of the sensor in response to the presence of said substance. | 06-23-2011 |
| 20100307238 | HUMIDITY SENSOR AND METHOD OF MANUFACTURING THE SAME - A humidity sensor comprising an insulating substrate, a moisture-sensitive layer, and at least a detection electrode contacting the moisture-sensitive layer, wherein the moisture-sensitive layer is a porous, photocatalytic metal oxide. | 12-09-2010 |
| 20110259099 | CAPACITIVE HUMIDITY SENSOR AND MANUFACTURING METHOD - A capacitive humidity sensor, and more particularly, to a capacitive humidity sensor and a manufacturing method thereof capable of increasing reliability of the sensor by forming a dehumidification layer of a polymer material having a large surface area between a lower electrode layer and an upper electrode layer while miniaturizing the humidity sensor by forming a sensor unit on an ROIC substrate. | 10-27-2011 |
| 20110185810 | SENSOR HAS COMBINED IN-PLANE AND PARALLEL-PLANE CONFIGURATION - A sensor senses a magnitude of a physical parameter of the sensor's environment. The sensor has first and second electrodes, and a material layer between them. The material has an electrical property, e.g., capacitance or resistance, whose value depends on the magnitude of the physical parameter. The first electrode is formed in a first layer, and the second electrode is formed in a second layer, different from the first layer. The first layer has a trench and an elevation next to the trench. The trench has a bottom wall and a side wall. The material is positioned on the bottom wall and on the side wall and on top of the elevation. The trench accommodates at least a part of the second electrode. The second electrode leaves exposed the material formed on top of the elevation. | 08-04-2011 |
| 20080257037 | Humidity sensor - A capacitive humidity sensor includes: a humidity sensing element with a humidity sensitive film and electrodes; and a processing circuit. The film has a dielectric constant variable in accordance with moisture. The electrodes detect capacitance of the film and outputs a signal corresponding to the capacitance. The processing circuit processes the signal. The film is made of inorganic material having fine pores for adsorbing the moisture. A diameter of the fine pores is set to be a predetermined diameter so that capillary tube aggregation phenomenon occurs at a predetermined relative humidity. The capacitance of the film has a change rate with respect to the relative humidity. The change rate in case of the relative humidity higher than the predetermined relative humidity is larger than that in case of the relative humidity lower than the predetermined relative humidity. | 10-23-2008 |
| 20120000285 | CAPACITIVE TYPE HUMIDITY SENSOR AND MANUFACTURING METHOD THEREOF - A capacitive type humidity sensor is provided, where a sensor chip substrate, with a sensor section where electrostatic capacitance changes in accordance with humidity, a reference section where electrostatic capacitance does not change, and a plurality of pads which are output terminals of each section, and an IC substrate, which is electrically connected to the pads and which outputs the difference in capacitance between the sections as a voltage, are fixed to the same support substrate, where a protective member, which forms a sealed region surrounding the sensor section and which covers the reference section, is provided on the sensor chip substrate, the support substrate is covered by a sealing resin except for the region which is covered by the protective member, the sensor section is exposed to air at the region which is surrounded by the protective member, and the other constituent elements are covered by the sealing resin. | 01-05-2012 |
| 20120000284 | HUMIDITY SENSOR PACKAGE AND MANUFACTURING METHOD THEREOF - A humidity sensor package includes: a humidity sensor that is mounted on a main surface of a package substrate and that have a humidity-sensing area; a control IC that is mounted on the main surface of the package substrate; a sealing resin that seals at least an external connection portion of the humidity sensor; and a partition member that partitions a sealing area of the sealing resin and the humidity-sensing area from each other so as to expose the humidity-sensing area to an external environment. Here, a first distance in the thickness direction from the package substrate to the top surface of the partition member is smaller than a second distance in the thickness direction from the package substrate to the top surface of the sealing resin. | 01-05-2012 |
| 20100031745 | Nano-porous alumina sensor - A nano-sensor including a substrate including pores formed thereon and a detecting mechanism for detecting changes in capacitance due to the presence of a substance. A method of measuring humidity by sampling air with the nano-sensor, detecting changes in capacitance, and determining the relative humidity of air. A method of detecting the presence of a substance by taking a sample with the nano-sensor, detecting changes in capacitance, and determining the presence of a substance. A method of making the nano-sensor by forming nano-pores on a substrate, and forming, on the surface of the substrate, a detecting mechanism for detecting changes in capacitance due to the presence of a substance. | 02-11-2010 |
| 20110179861 | CAPACITIVE HUMIDITY DETECTOR WITH NANOPOROUS HYDROPHILIC DIELECTRIC - A humidity sensor of capacitive type, a device for detecting or measuring humidity including the sensor, and a method to fabricate the sensor. The humidity sensor includes at least one nanoporous dielectric material positioned between at least one first electrode of a capacitor and at least one second electrode of the capacitor. | 07-28-2011 |
| 20120247203 | RAPID RESPONSE RELATIVE HUMIDITY SENSOR USING ANODIC ALUMINUM OXIDE FILM - A rapid response relative humidity sensor based on nano-structured aluminum oxide thin film is disclosed. The main body of the sensor is an anodic aluminum oxide thin film of about 2-20 μm thick formed from an Al substrate which serves as one electrode. A porous metal layer of about 20-200 nm thick is formed over the anodic aluminum oxide thin film and functions as a second electrode. The alumina thin film contains nano-sized channels of about 10-100 nm in diameter, serving as a capacitive relative humidity sensor having high sensitivity and short response time. Thermal annealing at elevated temperature improves the linearity of the capacitance versus humidity curve, giving a full range humidity sensing range. Hysteresis and degradation are negligible for the humidity sensors. | 10-04-2012 |
| 20120255354 | HUMIDITY MEASUREMENT DEVICE AND METHOD - A humidity measurement device comprises a capacitance measurement unit ( | 10-11-2012 |
| 20110308313 | HUMIDITY SENSOR - A humidity sensor having a pair of electrodes spaced adjacent each other and defining an air gap therebetween such that the electrodes provide a capacitor with air as dielectric material, and, circuitry for sensing capacitance connected to the electrodes such that changes in permittivity of the air in the air gap caused by changes in humidity, cause changes in capacitance, wherein, the circuitry generates a signal indicative of humidity in the air in response to sensed capacitance of the electrodes. | 12-22-2011 |
| 073335050 | Resistance or conductivity | 8 |
| 20110296912 | INTEGRATED CIRCUIT AND MANUFACTURING METHOD THEREFOR - Disclosed is an integrated circuit comprising an electrode arrangement for detecting the presence of a liquid, said electrode arrangement comprising a first electrode and a second electrode, wherein, prior to exposure of the electrode arrangement to said liquid, a surface of at least one of the first electrode and second electrode is at least partially covered by a compound that is soluble in the liquid; the electrical properties of the electrode arrangement being dependent on the amount of the compound covering said surface. An package and electronic device comprising such an IC and a method of manufacturing such an IC are also disclosed. | 12-08-2011 |
| 20090188316 | Resistive Hydrogen Sensor - A resistive hydrogen sensor has at least two electrical connections and at least one resistance layer containing at least one suitable material for incorporating hydrogen, via which the electrical connections are connected to each other. The resistance layer adjoins at least one interface on a contact layer, which contains at least one chemical element from the fourth subgroup of the periodic table and/or carbon. The contact layer connected in series between the electrical connections to the resistance layer. | 07-30-2009 |
| 20100147070 | 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 sensitive layer may be formed of various materials. The humidity sensor may be manufactured in a small size on a large scale. | 06-17-2010 |
| 20110048127 | Thermal Humidity Sensor - Provided is a high-precision, mechanically robust thermal humidity sensor. A detecting element | 03-03-2011 |
| 20110072899 | SENSOR FOR DETERMINING HUMIDITY - The invention relates to a sensor ( | 03-31-2011 |
| 20100071460 | Signal quality of field effect transistor-based humidity sensors or gas sensors - Humidity or a gas concentration or a solvent concentration in at least one gas is detected by a field effect transistor-based gas sensor whose sensor signal is generated by the change in the work function on a sensitive film. Detection is to be provided in a simple, effective and inexpensive manner. An additional change in potential is impressed at a gate of the field effect transistor and a variable of the resulting change in the sensor signal relative to the additional change in potential is evaluated. For example, each variable, which is e.g. a ratio, can be assigned a relative humidity, a gas concentration, or a solvent concentration. Sensitive films having at least one polymer are particularly advantageous. | 03-25-2010 |
| 20120260732 | SENSOR | 10-18-2012 |
| 20120272728 | Hydrogen Sensor - A hydrogen sensor comprising:
| 11-01-2012 |
| 073335060 | Wet and dry responsive elements | 2 |
| 073335080 | Wet bulb detail | 2 |
| 20130047722 | DRY AND WET BULB PSYCHROMETER - A dry and wet bulb psychrometer consists of a first temperature sensor, a second temperature sensor, a water tank, a water absorbing member, a computing circuit and a display screen. The water absorbing member is connected to the second temperature sensor and dipped in water in the water tank. The computing circuit is electrically coupled with the first and second temperature sensors for computing a humidity value by using the temperature values sensed by the first and second temperature sensors and displaying the computed result on the display screen for reading by a user. Thus, the dry and wet bulb psychrometer is convenient for application to provide high-precision level measurement. | 02-28-2013 |
| 20110314908 | RELATIVE HUMIDITY SENSOR APPARATUS - A sensor apparatus measures wet-bulb temperature. The sensor apparatus comprises a casing. A measuring device comprises a sock at its probe end. A washing unit having a fluid outlet in the casing projects a fluid on the sock to remove residue and to humidify the sock. An actuator displaces the measuring device between a washing position and a measuring position. In the washing position, the sock is in register with the washing unit in the casing. In the measuring position, the measuring device has the sock out of the casing and away from the washing unit to measure an ambient wet-bulb temperature. A method for measuring a wet-bulb temperature is also provided. | 12-29-2011 |
| 073290030 | Pressure | 1 |
| 20120318043 | METHOD AND DEVICE FOR THE MEMBRANE-BASED ANALYSIS OF GAS COMPONENTS - A method and a device for the analysis of gas components of a matrix employ two sensors, which each comprise a cavity enclosed by a membrane. Both membranes, each on one side of the matrix and on the other side, are exposed to a purge gas and subsequently, the timeline of the differential pressure Δp | 12-20-2012 |
| 073290040 | With visual indication | 4 |
| 20130111976 | LOW COST HUMIDITY AND MOLD INDICATOR FOR BUILDINGS - A low-cost, easily manufactured humidity and mold indicator for buildings that incorporates a one-piece transparent plastic injection-molded body. Appearance of a warning icon or a change in color alerts the owners or occupants of a building to a hidden leak and thereby prevents costly structural damage, cosmetic damage and mold damage to building components. The indicator is easily inserted and secured into a drilled hole in panel such as a wall or soffit. In one embodiment, the indicator snaps into place after being fully inserted into the panel. In another embodiment, a retainer inserted into the hole holds the indicator enabling easier removal of the indicator for replacement or for inspection of the area behind the panel. An optional removable cap can be painted the same color as the wall. An optional mask covers the integral viewing window during painting of the device. | 05-09-2013 |
| 20090266145 | Holographic Sensor - A sensor device comprising a holographic element comprises a grating or hologram recorded in a holographic recording medium wherein at least one physical and/or chemical and/or optical characteristic of the holographic element or the image produced by it varies as a result of variation in relative humidity or moisture content in the air surrounding the element. Also provided is an acrylamide-based photopolymer and an acrylamide-based reflection hologram. | 10-29-2009 |
| 20100024523 | SYSTEM AND METHOD OF TESTING HUMIDITY IN A SEALED MEMS DEVICE - One embodiment provides a method of testing humidity, comprising: i) determining a property of a device which encloses a plurality of interferometric modulators and ii) determining a relative humidity value or a degree of the relative humidity inside the device based at least in part upon the determined property, wherein the determined property comprises at least one of i) the thickness and width of a seal of the device and ii) adhesive permeability of a component of the device. In one embodiment, the determined property further comprises at least one of the following: i) temperature-humidity combination inside the device, ii) a desiccant capacity inside the device and iii) a device size. | 02-04-2010 |
| 20090013760 | Moisture Absorbent Material with Indicator Function, Humidity Indicator and Packaging Bag - A moisture absorbent material (drying material) with an indicator function is provided without the use of cobalt chloride containing a heavy metal, low molecular organic substance and the like; and a humidity indicator permitting a state of humidity to be found in a simple manner is also provided. The moisture absorbent material with an indicator function ( | 01-15-2009 |
| 073290050 | Detector detail | 2 |
| 20100095743 | Amplified Sensitivity of Porous Chemosensors Based on Bernoulli Effect - A method of vapor sampling and its delivery to the porous sensory element(s) employed in chemical detectors/sensors for vapor(s) identification and quantification. The sampling and delivery system comprises a flow cell in which a sensory membrane is placed parallel to the flow, while an additional flow normal to the membrane is introduced using the Bernoulli effect. The bi-directional flow of vapors increases the interactions between the sensory material and vapor molecules, and enhances sensitivity. | 04-22-2010 |
| 20120234079 | Atmospheric Sensor, NFC Device, Package and Manufacturing Method - Disclosed is a sensor for detecting a component ( | 09-20-2012 |
