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7999231 |
Moisture detector, biological body moisture detector, natural product moisture detector, and product/material moisture detector
A moisture detector includes a light-receiving element including an absorption layer having a pn-junction, or an array of the light-receiving elements, wherein the absorption layer has a...
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7973285 |
Apparatus for detecting the leakage of heavy water in nuclear reactor system and detection method using the same
An apparatus and a method for detecting a leakage of heavy water in a nuclear reactor system includes: a diode laser that injects a generated laser beam to a test sample placed in a light...
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7968860 |
System and method for measurement of degree of moisture stratification in a paper or board
A measurement system for measuring a degree of moisture stratification in a flat sheet product, such as paper, board or other materials. The system uses a combination of a reflection gauge and a...
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7936460 |
Sensor unit in exhaust gas analyzer
An exhaust gas analyzer of the present invention includes a sensor unit 11 installed in an exhaust path from an engine, applies laser light to exhaust gas emitted from the engine and receives laser...
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7890158 |
Apparatus and method of biometric determination using specialized optical spectroscopy systems
Methods and apparatuses for performing biometric determinations using optical spectroscopy of tissue. The biometric determinations that are disclosed include determination or verifications of...
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7812312 |
Infrared measuring device, especially for the spectrometry of aqueous systems, preferably multiple component systems
The invention relates to an infrared measuring device, especially for the spectrometry of aqueous systems. Said device comprises at least one measuring unit, especially a measuring cell, also...
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7795586 |
Device for detecting and device for measuring the concentration of a substance
A device for detecting radiation signals and a device for measuring the concentration of a substance are described, a first detector and a second detector being provided on a first chip, and a...
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7494567 |
Combined paper sheet temperature and moisture sensor
Temperature measurements of sheet material such as paper can be obtained directly from an analysis of the absorption spectrum of water in the infrared region. The technique is based in part on the...
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7485862 |
Time-space multiplexed LADAR
A LADAR system includes a detector optical arrangement defining a current optical field of view. An illumination subsystem without moving parts transmits pulsed illumination at different times to...
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7482590 |
Method for determining the coating quantity on a material web
A method for determining the quantity of coating applied to a material web includes directing radiation onto the material web coated with the coating, interacting the radiation with the coating,...
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7381954 |
Apparatus and method for measuring steam quality
Determination of steam quality by passing one or more laser beams through steam in a steam chamber and directly determining a total number of vapor molecules and a total number of water molecules...
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7332717 |
Infrared sensor and infrared sensor array
An infrared sensor includes a series capacitor element and a reference capacitor element each exhibiting a predetermined capacitance value; an infrared-detecting capacitor element whose capacitance...
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7294838 |
Traversing measurement system for a dryer and associated method
A system and method for obtaining measurements across a width of material being processed is provided, which includes a near-infrared (NIR) detector head (102) which reads and transmits an NIR...
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7255835 |
Single pass attenuated total reflection fourier transform infrared microscopy apparatus and method for identifying protein secondary structure, surface charge and binding affinity
Apparatus and method for acquiring an infrared spectrum of a sample having or suspected to have an amide I band, an amide II band, an amide III band, an amide A band, an OH stretching region or a...
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7217121 |
Method and apparatus for improved process control in combustion applications
This invention relates to a method and apparatus for improved process control in combustion applications, and particularly those relating to the steelmaking industry. An apparatus is provided for...
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7173245 |
Submicron thermal imaging method and enhanced resolution (super-resolved) AC-coupled imaging for thermal inspection of integrated circuits
Methods and apparatus for non-contact thermal measurement which are capable of providing sub micron surface thermal characterization of samples, such as active semiconductor devices. The method...
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7135698 |
Multi-spectral infrared super-pixel photodetector and imager
A multi-spectral super-pixel photodetector for detecting four or more different bands of infrared radiation is described. The super-pixel photodetector includes two or more sub-pixel...
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7049596 |
Method and apparatus for distinguishing materials
An apparatus and method for optically detecting whether a substance is present at an inspection site on a base material based on light reflected from the inspection site. A light module generates...
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7034302 |
Optical steam quality measurement system and method
An optical measurement system is presented that offers precision on-line monitoring of the quality of steam. Multiple wavelengths of radiant energy are passed through the steam from an emitter to a...
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6960769 |
Infrared measuring apparatus and method for on-line application in manufacturing processes
A single vane shutter flag is asynchronously controlled so that a measuring system light source is interrupted for a minimum necessary amount of time for standardization/calibration and...
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6841781 |
Water detection and source identification methods for structures using electromagnetic radiation spectroscopy
A method of the present invention includes exposing a structure to first electromagnetic radiation including at least one wavelength absorbed by a predetermined substance that is to be detected....
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6754600 |
Device for evaluating internal quality of vegetable or fruit, method for warm-up operation of the device, and method for measuring internal quality
An extremely convenient apparatus for evaluating the inner quality of vegetables and fruits which is small and inexpensive, can be introduced easily even by small-scaled enterprisers, in which an...
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6730911 |
Method and apparatus for paper material discrimination with two near-infrared lights
A bill discriminating method of discriminating a paper material independent of a light/dense pattern caused by a difference of manufacturing steps and discriminating a paper material of paper...
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6729185 |
Photoacoustic sample vessel and method of elevated pressure operation
An improved photoacoustic vessel and method of photoacoustic analysis. The photoacoustic sample vessel comprises an acoustic detector, an acoustic couplant, and an acoustic coupler having a chamber...
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6717148 |
Method and apparatus for measuring coating
The invention relates to a method and an apparatus for measuring a coating from paper or board. The measurement is carried out by one detector at different times or by two detectors simultaneously....
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6691620 |
Process and device for the detection of a position of a paper web
A process is provided for detecting the position of a paper web, especially in wet offset printing, wherein a strip free from ink or moistening agent is detected. A device is provided for detecting...
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6680479 |
Method and apparatus to detect the presence of water on a surface
A water detecting apparatus includes a source of infra-red radiation which is reflected off an inner surface of a pipe wall onto a mirror directing the infra-red signal along a path to an infra-red...
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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 sample...
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6675029 |
Apparatus and method for quantification of tissue hydration using diffuse reflectance spectroscopy
An apparatus and method for non-destructively estimating a tissue property, such as hydration, of a living subject utilizes in vivo spectral measurements made by irradiating skin tissue with near...
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6668181 |
Method for quantification of stratum corneum hydration using diffuse reflectance spectroscopy
An apparatus and method for non-invasively quantifying the hydration of the stratum corneum of a living subject utilizes in vivo spectral measurements made by irradiating skin tissue with near...
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6657198 |
System and method for water vapor detection in natural gas
A system and method are disclosed for the detection of water vapor in a natural gas background. The system includes a light source operating in the 1.877-1.901 μm wavelength range passes through ...
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6633037 |
Methods of tracing water from the liquid to the vapor state in structures of all types and sizes
A method of the present invention includes exposing a structure to first electromagnetic radiation including at least one wavelength absorbed by a predetermined substance that is to be detected....
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6633035 |
Water content-measurement method and water content-measurement apparatus, and electrical component-fabrication method using the measurement apparatus and method
A measurement method and apparatus, which are capable of simply measuring the water content of an object with a high degree of accuracy, is characterized by irradiating the surface of the object...
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6606568 |
Method for predicting dry mechanical properties from wet wood and standing trees
A method for determining the dry mechanical strength for a green wood comprising: illuminating a surface of the wood to be determined with light between 350-2,500 nm, the wood having a green...
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6600946 |
Methods and apparatus for quantifying dermal hydration
Dermal hydration is determined in a target region of a human subject by determining a relationship between first and second measurements. The first measurement is a measurement of a first type of...
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6536270 |
Scanner with interior gauging head and dust belt
A scanner for moving sheet materials such as a paper making machine provides the gauging heads which measure parameters such as basis weight and moisture entirely inside an enclosed tubular beam....
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6528790 |
Method and apparatus for detecting water on a surface of an object
A method and apparatus for detecting and removing water from a surface of a moving metal sheet in continuous treatment line to prevent the formation of water stains thereon. A selected surface area...
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6495831 |
Method and apparatus for measuring properties of paper
The invention relates to a method and an apparatus for measuring the properties of paper from a moving paper web in a paper machine. An infrared beam is directed to the paper web. The infrared...
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6459083 |
Apparatus for detecting the condition of a road surface
An apparatus for recognizing road conditions, for use especially in a motor vehicle, includes an infrared transmitter-receiver system. Devices are provided which make it possible to separate signal...
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6400787 |
Telemetering of uranium of plutonium in glass
Described are a process and an apparatus for the remote measurement of uranium or plutonium in radioactive materials. in which the sample of the material to be analyzed is to be handled as little...
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6355931 |
System and method for 100% moisture and basis weight measurement of moving paper
A system for characterizing a set of properties for a moving substance are disclosed. The system includes: a first near-infrared linear array; a second near-infrared linear array; a first filter...
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6281498 |
Infrared measuring gauges
An infrared gauge for, and a method of, measuring a parameter of a sample, e.g. moisture content or sample thickness, the gauge comprising: a source of infrared radiation directed at the sample, a...
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6281500 |
Detection and measurement of cold emulsion adhesives applied to a substrate
An apparatus and method for on line detection and measurement of cold emulsion adhesives, including a sensor of a presence of an adhesive on a substrate, the sensor being arranged to sense an...
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6229612 |
Paper area density measurement from forward transmitted scattered light
A method whereby the average paper fiber area density (weight per unit area) can be directly calculated from the intensity of transmitted, scattered light at two different wavelengths, one being a...
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6175092 |
Method and apparatus for classifying batches of wood chips or the like
A method and apparatus for classifying batches of wood chips or the like according to light reflection characteristics; provide optimal use of darker wood chips in pulp and paper processes....
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6124594 |
Method and apparatus for detecting contact lenses
A method and apparatus for confirming the presence of a contact lens in its intended package employs an infrared detection system that is able to detect the presence or absence of a contact lens in...
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5991696 |
Method for intelligent data acquisition in a measurement system
Provided is a novel method for intelligent data acquisition in a measurement system. The method comprises the following steps: (a) providing a measurement system; (b) performing a measurement with...
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5870926 |
Infrared moisture measuring apparatus and infrared moisture measuring method
An infrared moisture measuring apparatus includes a first infrared light-emitting diode (LED) for emitting infrared rays of a measuring beam whose infrared absorption varies by the moisture content...
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5841533 |
Intracavity laser spectroscopy for high sensitivity detection of contaminants in gas
Contaminants are detected optically at concentrations below 1 part-per-million (ppm) and extending to a level approaching 1 part-per-trillion (ppt) by using intracavity laser spectroscopy (ILS)...
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5821536 |
Solid state infrared gauge
A solid state moisture gauge is disclosed in which a quartz-halogen bulb is used with an acousto-optic tunable filter to launch light of specific desired wavelengths into a parallel plate cavity...
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