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7628533 |
Systems and methods for detecting corrosion
Systems and methods for detecting corrosion are provided. In one embodiment, a luminescent material coupled to a cladding of an optical fiber may be altered when exposed to corrosion. The...
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7628531 |
Methods and apparatus for dual source calibration for distributed temperature systems
Systems and methods for calibrating a temperature sensing system are disclosed. In one respect, a dual light source configuration may be provided. A first light source may illuminate a sensing...
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7616872 |
Temperature measurement and heat-treating methods and systems
Temperature measurement and heat-treating methods and systems. One method includes identifying a temperature of a first surface of a workpiece, and controlling energy of an irradiance flash...
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7600912 |
Temperature sensitive label for detecting temperature changes to a temperature sensitive item
A temperature sensitive label may be affixed to a temperature sensitive item. The temperature sensitive label conveys when the item has reached a tripping temperature. The tripping temperature may...
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7602307 |
Portable modular detection system
Disclosed herein are portable and modular detection devices and systems for detecting electromagnetic radiation, such as fluorescence, from an analyte which comprises at least one optical element...
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7581880 |
Radiant-temperature measurement device, light-source temperature control device, image projection apparatus and radiant-temperature measurement method
A radiant-temperature measurement device includes a time-based data measurement unit for acquiring, based on an intensity of first light, a first data value during a first measuring interval in a...
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7578616 |
Apparatus for determining a temperature of a substrate and methods therefor
An apparatus for measuring a temperature of a substrate is disclosed. The apparatus includes a phosphor material in thermal contact to the substrate, the phosphor material producing a fluorescent...
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7556425 |
Dual-wall container with heat activated and/or temperature-change activated color changing capability
Dual-wall container includes an outer wall that is at least one of at least partially substantially transparent and at least partially substantially translucent, an inner wall adapted to contain a...
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7543981 |
Methods for determining wafer temperature
Methods and apparatus for wafer temperature measurement and calibration of temperature measurement devices may be based on determining the absorption of a layer in a semiconductor wafer. The...
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7537129 |
Lid for a disposable beverage container
A lid ( 30 ) for a disposable beverage container ( 32 ). The lid ( 30 ) includes at least a region having thermochromic properties which is/are adapted to change color upon reaching a predetermined...
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7513685 |
Temperature sensitive paint for an extended temperature range
A temperature sensitive paint comprises a binder for forming a polymer matrix, a transition metal complex embedded in the binder and displaying a temperature dependent fluorescence, the...
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7509008 |
Method and apparatus for locating a localized temperature change in a workspace
A method for monitoring a workspace comprising deploying a fiber optic distributed temperature sensor cable in the workspace, wherein the sensor is capable of detecting a temperature differential...
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7507022 |
Apparatus for measuring temperature using luminescence thermometry
An apparatus ( 10 ) for measuring temperature using luminescence thermometry, comprising: a photon emitter ( 42 ) for providing photons ( 3 ) of at least a first frequency; photoluminescent...
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7507020 |
Method and assembly for assessing relative degradation resistance of materials with laser
To assess relative degradation resistance of different materials, one or more samples of each of the materials is irradiated with a beam of laser. The laser is chosen or tuned such that the laser...
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7497614 |
Apparatus for determining a temperature of a substrate and methods therefor
An apparatus for measuring a temperature of a substrate is disclosed. The apparatus includes a phosphor material in direct contact with the substrate and in thermal contact with the substrate, the...
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7476487 |
Photosensitive semiconductor nanocrystals, photosensitive composition comprising semiconductor nanocrystals and method for forming semiconductor nanocrystal pattern using the same
Semiconductor nanocrystals surface-coordinated with a compound containing a photosensitive functional group, a photosensitive composition comprising semiconductor nanocrystals, and a method for...
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7476021 |
Roofing membrane temperature indicator
A roofing membrane temperature indicator is provided for preventing the installation of a roofing membrane or roofing membranes at a temperature below a minimum recommended installation temperature...
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7422913 |
Method for checking a condition of a heat treatment
A method for connecting terminals is provided. The method includes steps of a) providing a board having a first terminal thereon; b) performing a check of a heat treatment by using a thermal...
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7416330 |
Method and apparatus for measuring temperature of substrate
The temperature of the surface and/or inside of a substrate is measured by irradiating the front surface or rear surface of the substrate, whose temperature is to be measured, with light and...
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7413341 |
Imaging methods
A method of local temperature measurement in a sample is provided. The method comprises the stimulation, at a location in the sample, of anti-Stokes and Stokes emission from fluorophores which are...
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7389011 |
Optical fiber temperature sensor
An optical fiber temperature sensor has a sensing part composed of an optical fiber arranged at a temperature measurement point; a light source for injecting a light to the sensing part; a...
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7377689 |
Transformer temperature monitoring and control
According to one embodiment an apparatus to monitor the temperature of a transformer is disclosed. The apparatus includes a fiber optic cable having a temperature sensing probe on one end embedded...
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7374335 |
In situ optical surface temperature measuring techniques and devices
A luminescent temperature sensor comprising (i) an object having a recess, (ii) a layer of luminescent material disposed in the recess, wherein the luminescent material emits electromagnetic...
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7364357 |
Thermochromic lid for cookware
A lid for article of cookware is covered over a considerable portion of its surface with a thermochromic ink or paint to form a first thermochromic indicator. This first thermochromic indicator...
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7350972 |
Distributed temperature sensor using optical reflectometry
A temperature sensing method in which pulses of optical radiation are launched by a laser diode ( 11 ) into an optical fibre ( 14 ) and optical radiation backscattered from the fibre is detected,...
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7309864 |
Method for analysing physical and/or chemical properties of the surface layer of a solid body (variants)
According to the method for analyzing physical and/or chemical properties of the surface layer of a solid as per claim 1 , the surface layer is activated by a unit irradiation pulse and, when the...
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7306367 |
Emissivity-independent silicon surface temperature measurement
A method and system for measuring remotely the surface temperature of a silicon wafer and layers, without the need to know the surface emissivity. The surface temperature is measured in-situ and in...
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7237950 |
Optical fiber temperature sensor and temperature measuring method
An optical fiber temperature sensor employs a holey fiber. The holey fiber has an optical fiber concentrated part that a predetermined length of the holey fiber is concentrated in a spot region...
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7144154 |
System and method of measuring and controlling temperature of optical fiber tip in a laser system
A system and method of sensing temperature at an optical fiber tip, including the steps of positioning a slug of fluorescent material adjacent the optical fiber tip, providing an optical stimulus...
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7104683 |
Thermally compensated fluorescence decay rate temperature sensor and method of use
The present invention provides a thermally compensated fluorescence decay rate temperature sensor capable of measuring the true temperature of a sample surface and its associated method of use.
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7080939 |
Polymeric thermal history sensor
An improved thermal history sensor having multiple polymeric substrates with unique compositions is disclosed. By positioning the sensor adjacent to an item subject to thermal stressors, each of...
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7077566 |
Methods and apparatus for temperature measurement and control in electromagnetic coils
A method for monitoring temperature in at least one location of an electromagnetic coil assembly having at least one electrical winding. The method includes passing a light through a non-magnetic...
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7077565 |
Method for measuring temperature of substances from measurement of absorption coefficients
Determining the temperature of the water by measuring the absorption coefficient of water ( 32 ). The method for determining temperature of a first substance comprising: acquiring a measurement of...
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7076160 |
Dispensing indicator for an active substance dispenser
The indicator is a non-electric indicator and is based on a thermochromic material which is applied on a diffuser or thermodiffuser device of volatile substances ( 1 ), so that when heating of the...
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7069169 |
Method and apparatus for measuring heat flux distribution on object surface using temperature-sensitive paint
An object of the present invention is to provide a method that allows the heat flux distribution on an object surface to be measured even when the heat flux is an unsteady or short-duration...
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7059766 |
Optical device and method for the non-intrusive measuring of the temperature of a flowing liquid
An optical method, and an optical device based on a laser source for implementing an optical method, for nonintrusively measuring the temperature of a flowing liquid by using the fluorescence...
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7056011 |
Permittivity based temperature measurement and related methods
A method for determining temperature of a material ( 32 ) comprising: measuring at least one of the real and imaginary part of the permittivity of the material ( 32 ) at each of at least one...
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7039454 |
Biological optical measuring instrument
A biological optical measuring instrument comprising a measuring probe ( 101 ) for collecting light from a plurality of portions of a subject ( 214 ) transmitted through the subject ( 214 ) by...
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7025501 |
Tracking temperature change in birefringent materials
A method for tracking change in Temperature of Uniaxial or Biaxial Anisotropic Samples utilizing polarized electromagnetic radiation.
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7001068 |
Method and apparatus for the estimation of the temperature of a blackbody radiator
Remote sensing of the temperature of a greybody or blackbody radiator is effected by passing its radiation ( 24 ) through a modulated infrared filter spectrometer. The infrared filter comprises, in...
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6997603 |
Instrumented fiber optic tow cable
An integrated fiber-optic tow cable is described having both optical fibers and armor wires located outside the cable core to avoid high strain on the optical fibers when the cables is under stress...
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6974249 |
Thermal history sensor
An improved thermal history sensor having multiple glass ceramic substrates with unique compositions is disclosed. By positioning the sensor adjacent to a component subject to thermal stressors,...
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6968804 |
Device for detecting and quantitatively measuring the exposure of an object to a predetermined temperature for a predetermined duration
The inventive device comprises a housing ( 1 ) which is configured in the shape of a flat strip comprising an enclosure ( 6 ) on one side which projects outwards and contains a material ( 7 ) that...
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6960019 |
Fiber optic temperature monitoring method
A method of monitoring a temperature condition includes inputting a light pulse into a fiber optic cable and receiving a reflection signal that arises from said input light pulse in said fiber...
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6956385 |
Integrated circuit defect analysis using liquid crystal
Defect analysis of an integrated circuit die having a back side opposite circuitry at a circuit side and a liquid crystal liquid is enhanced using near infrared (nIR) laser light. According to an...
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6953281 |
Method for determining temperatures on semiconductor components
A method and a device for determining temperatures on semiconductor components are provided. In order to determine a temperature on a semiconductor component, a scanning light wave is irradiated...
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6945692 |
Fiber optic temperature monitoring system
A system for monitoring a temperature condition includes a fiber optic cable, a light emitting device coupled to the fiber optic cable and configured to input a light pulse into the fiber optic...
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6944360 |
Remote temperature/strain fiber optic sensing system with embedded sensor
A sensor embedded in a high temperature metal is incorporated into a sensing system for measuring temperature, strain, or other properties of a metal structure. An optical system transmits light to...
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6886977 |
Measuring temperature in stationary components of electrical machines using fiber optics
A sensor measures temperature in stationary components of electrical machines using fiber optics. An optical fiber is embedded in a non-metallic ribbon. Notches are cut in the ribbon to effect...
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6881948 |
Method using an optical signal for detecting overheating and fire conditions in an aircraft
A fiber optic cable forms a temperature sensor arranged along an object or space to monitor the temperature thereof and detect overheating or fire conditions. An end of the sensor is connected...
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