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7373819 |
Stress sensitive humidity sensor based on a MEMS structure
A humidity sensing apparatus and method include a substrate and a MEMS structure, wherein the MEMS structure is supported by the substrate. The MEMS structure comprises a humidity-sensitive...
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7368291 |
Sulfuryl fluoride fumigation process
A process is provided for determining the amount of sulfuryl fluoride in the atmosphere of an enclosed area that has been fumigated with sulfuryl fluoride (SO 2 F 2 ). This process comprises: (A)...
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7360396 |
Gas sensor and fuel cell system and automobile employing the same
In a gas sensor, at least three levels of current are supplied to a heating element successively in a step-like manner for a predetermined time period. An arithmetic unit receives both-end voltages...
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7353690 |
Atmospheric refractivity profiling apparatus and methods
Apparatus and methods for characterizing atmospheric refractivity and its evolution in time and space utilizing passive radiation emission measurement devices are disclosed. Based on an instrument...
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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...
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7302829 |
Contactless humidity/chemical vapor sensor device and associated method of fabrication
The invention provides a contactless sensor device operable for sensing water vapor or a predetermined chemical vapor including a thin film, wherein the thin film includes a nanostructured sensing...
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7297932 |
Vehicle optoelectronic precipitation sensor with adjustable lens holder
An optoelectronic sensor for sensing wetting of a windshield includes a first circuit, and a radiation emitter and a radiation detector both arranged on the first circuit to emit radiation toward...
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7257985 |
Apparatus and method for real time determination of density and related parameters in manufacturing processes
Methods and apparati for measuring entrained gas content. One of the disclosed apparatus embodiments includes a chamber and piping for process fluid, the piping including two different sectors each...
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7247838 |
Rain/moisture and object imaging system for vehicle
An image processing system includes a lamp which emits light to a glass, an imaging device which captures light which is emitted from the lamp and reflected by the glass, and an optical filter,...
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7208723 |
Image processing system which processes an image captured by an imaging device through a lens having a focus which is adjusted to a point beyond the glass
An image processing system that detects foreign matter on a glass window of a vehicle and objects in front of the vehicle. The system includes an image processor, a first lamp, and a second lamp....
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7197927 |
Sensor for determining the interior humidity and fogging up tendency and fastening device of the sensor
A sensor means is proposed to determine an interior humidity and/or an interior volume delimited by a wall, in particular, of a vehicle passenger compartment 3, and a fogging up tendency of an...
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7181952 |
Characterization of mist sprays using a phase-doppler particle analyzer and an iso-kinetic sampling probe
A method for quantifying droplet fluxes of a water mist spray uses different measuring apparatuses and compares the measurements of the two apparatuses with one another. One of the measuring...
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7168316 |
Humidity meter with non-contact temperature measurement
A humidity meter with non-contact temperature measurement capability, including a humidity meter contained at least partially in a housing and having outputs relating to measured humidity...
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7145499 |
Precipitation effects mitigation at antennae systems
Apparatus and methods for mitigating precipitation effects realized at an antenna system of an instrument such as a microwave radiometer are disclosed. One embodiment of the apparatus includes a...
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7134319 |
Acoustic wave sensor with reduced condensation and recovery time
An acoustic wave sensor apparatus is disclosed, which generally includes a piezoelectric substrate having a surface thereon. One or more interdigital transducers and a passivation layer can be...
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7134318 |
Method of analyzing entrained liquid in a vapor containing fluid
A system for the retrieval and initial conditioning of sample gas for “on line” analyzers or filling of gas sample cylinders. The preferred embodiment of the present invention contemplates a...
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7126486 |
Method and apparatus for moisture detection in exterior sheathing of residential and commercial buildings
An automated device monitors moisture content in exterior sheathing of a building for detecting moisture intrusion into the sheathing walls. A plurality of moisture sensors are embedded in selected...
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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...
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7063668 |
Method and arrangement for acoustic determination of moisture content of a gas mixture
A mechanical breathing aid has first and second inlets respectively connectable to a source of air and a source of oxygen. A mixing location is in gaseous communication with the first and second...
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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...
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7053347 |
Microwave oven and control method thereof
A microwave oven, having a humidity sensor and a voltage detecting unit for detecting a change in an output voltage of the humidity sensor, includes: a control unit for receiving a compensated...
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7051574 |
Flow cell humidity sensor system
A system for monitoring water concentration in gaseous sample is disclosed. It is readily applicable in the synthesis of biopolymer arrays/microarrays involving the use of water-sensitive reagents....
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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...
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7017388 |
Determination of gas-free densities and relative amounts of gases in liquids in manufacturing processes
Improved control of continuous processes that handle liquids. Data generated by this invention is used to control gas contents of liquids within optimum ranges, for instance in paper coating...
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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...
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6938459 |
Method for detecting moisture level in apparatus for treating and preparing food and related food treatment and preparation apparatus
The present invention refers to a method of detecting the moisture in an apparatus for treating and preparing food, as well as to a method of treating and preparing food. In the method according to...
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6927063 |
Humidity indicators
Silica-based carrier impregnated with iron(III) or iron(II) salts functions as a humidity indicator giving a yellow/amber to nearly colourless colour change as the carrier humidifies.
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6926439 |
Dew point hygrometers and dew sensors
A dew point hygrometer for determining the dew point of a gas in which a displaceable transparent film is in contact with the gas and forms a condensation surface. The film is placed on a...
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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...
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6895338 |
Measuring and analyzing multi-dimensional sensory information for identification purposes
Methods and systems are provides for measuring multi-dimensional sensing information for identification purposes. The identity of one or more substances is determined through analysis of...
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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...
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6871677 |
Method and system for preventing vehicle misfuelling
A method and system for preventing vehicle misfuelling by utilizing an apparatus that receives a fuel nozzle into the filler neck, and activates a vacuum on the nozzle inserted therein. Using the...
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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)...
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6860143 |
State determining apparatus for humidity sensor
A state determination apparatus for a humidity sensor is provided for accurately determining the state of the humidity sensor, including the responsibility, from a result detected by the sensor...
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6853305 |
Air-conduit condensation sensor
A tape-drive condensation sensor includes a probe with first and second spaced-apart electrodes that define a passage for air flow within a pneumatic conduit. A voltage source is coupled between...
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6843424 |
Motor vehicle with a heating, ventilating and air-conditioning system
In a motor vehicle measured values from a solar sensor ( 8 ) and an interior temperature sensor ( 11 ) are supplied to a heating, ventilating and air-conditioning system, which sensors are arranged...
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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...
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6836732 |
Enhanced vapor containment and monitoring
An apparatus and method for ensuring effective and efficient vehicle vapor recovery performance, storage tank system integrity relative to both vapor and liquid containment and for reducing the...
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6815207 |
Moisture/wetness detecting method, moisture/wetness detecting label, articles with moisture/wetness detecting function, and detecting material and method
A method of detecting moisture or wetness which enables determination as to whether or not precision instruments or industrial products have undergone improper conditions, is described, which...
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6796166 |
All polymer humidity sensor based on laser carbonized polyimide substrate
A sensing device formed upon a substrate, including a method of forming the sensing device. A substrate can be provided, which is formed from a polymer. A sensor circuit can then be patterned and...
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6793146 |
Battery powered humidity indicator
The present invention provides an apparatus that is used to measure relative humidity, such apparatus comprises a housing having a first end and a second end. There is a humidity sensor disposed at...
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6766680 |
Determination of gas solubility, entrained gas content, and true liquid density in manufacturing processes
Improved control of continuous processes that handle liquids. Data generated by this invention is used to control gas contents of liquids within optimum ranges, for instance in paper coating...
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6739178 |
Sensor probe for measuring temperature and liquid volumetric fraction of a liquid droplet laden hot gas and method of using same
A sensor probe and method of use for determining the temperature, velocity, and/or liquid volumetric fraction of gas laden with droplets. In one variation, the probe includes a single heating...
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6712504 |
Method for determining the relative humidity of a volume of air having a temperature of 100° C or greater
A method for determining the relative humidity of a volume V of air having a temperature of 100° C. or greater. The method comprises the steps of measuring the temperature T V of the volume of...
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6711937 |
Humidity sensor for incubator
A sensor module for an incubator or other patient support includes a temperature sensor for sensing the temperature of the air within the interior of the hood of support, a humidity sensor for...
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6710012 |
Method for producing an ultra-low emission carbon material
Trace impurities such as organic compounds and carbon monoxide are reduced to sub-ppb levels in gases such as nitrogen, helium and argon, by gas purifying systems that contain an ultra-low emission...
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6679103 |
Continuous flow moisture analyzer for determining moisture content in liquid sample material
A continuous flow moisture analyzer ( 20 ) determines moisture content in a liquid sample material ( 46 ). The moisture analyzer ( 20 ) includes an injection system ( 44 ) for delivering the liquid...
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6675636 |
Continuous flow moisture analyzer
A continuous flow moisture analyzer ( 20 ) includes a coaxial needle ( 34 ) having first and second needle portions ( 36, 38 ). The first needle portion ( 36 ) receives a carrier gas ( 24 ) and...
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6663679 |
High intensity, non-reversing humidity indicator
The invention is a device for monitoring humidity, comprising a first layer, which is a visual indicator, a second layer covering and obscuring the first layer, with the second layer comprising a...
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6662628 |
Method for determining the proportion of a gas constituent contained in a gas mixture
An asynchronous motor is used in the process for determining the proportion of a gas constituent, especially water vapor, contained in a gas mixture. The asynchronous motor drives a delivery device...
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