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| Number | Title | Issue Date |
| 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 multiquantum well structure composed of a Group III-V semiconductor, the pn-jun... | 08/16/2011 |
| 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 absorption cell; a vacuum pump adjusts a degree of vacuum in the light absorpt... | 07/05/2011 |
| 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 first filter and a second filter being provided on a second chip, the fir... | 09/14/2010 |
| 7504631 | System and method for detecting water vapor within 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 a wavelength range such as, 1.877-1.901 μm, 2.711-2.786 μm, or 920-960 nm, passes through the natural gas to be detected... | 03/17/2009 |
| 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 each of a number of illumination sub-regions of the current optical fi... | 02/03/2009 |
| 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, determining, using a measurement signal produced using the detected rad... | 01/27/2009 |
| 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 based on absorption of radiation in the one or more laser beams by the... | 06/03/2008 |
| 7339168 | System and method for detecting water vapor within 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 a wavelength range such as, 1.877-1.901 μm, 2.711-2.786 μm, or 920-960 nm, passes through the natural gas to be detected... | 03/04/2008 |
| 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 value varies depending on an intensity of infrared light incident on... | 02/19/2008 |
| 7321425 | Sensor and methods for measuring select components in sheetmaking systems A sensor for measuring at least selected component in a composition can include: (a) a broadband light source, (b) an acousto-optic tunable filter (AOTF), (c) means for generating a beam of light from the light source and directing the beam of light at the AOTF wher... | 01/22/2008 |
| 7304291 | Information detecting device, sheet material processing apparatus equipped with information detecting device, and signal output device Disclosed is an information detecting device capable of reducing fluctuation in detection accuracy. A recording sheet P transported through a transport path comes into contact with a displacing member, and, in this state, a motor is driven to rotate a cam, and the r... | 12/04/2007 |
| 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 signal that has been reflected from the material, and a fiber-opti... | 11/13/2007 |
| 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 combination thereof. A representative method includes providing a samp... | 08/14/2007 |
| 7239817 | Device for identifying types of sheet materials A device for identifying types of sheet materials has a detecting unit for detecting information regarding moisture of a sheet material; external force applicator for applying an external force to the sheet material; information obtaining unit for obtaining informat... | 07/03/2007 |
| 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 process control in a combustion application comprising a laser to tran... | 05/15/2007 |
| 7212929 | Moisture data-acquiring device and image-forming apparatus A moisture data-acquiring device has a force-applying unit for applying an external force to a sheet, a force-receiving unit for receiving the external force through the sheet, a signal outputting unit for outputting a signal reflecting a mechanical property of the ... | 05/01/2007 |
| 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 obtains thermal image information by reflecting a light from a surface o... | 02/06/2007 |
| 7155356 | Quality and condition monitoring based on spectrum separating measurement A method of controlling the quality and/or condition of a fibre web in a process for manufacturing and/or finishing the fibre web, which includes, monitoring the fibre web with at least one optical spectrum separating measurement device, determining a quality variab... | 12/26/2006 |
| 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 photodetectors, each of which includes a diffractive resonant optical cavity that r... | 11/14/2006 |
| 7132661 | System and method for detecting water vapor within 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 a wavelength range such as, 1.877–1.901 μm, 2.711–2.786 μm, or 920–960 nm, passes through the natural gas to be de... | 11/07/2006 |
| 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 light of a first wavelength and light of a second wavelength. A first ... | 05/23/2006 |
| 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 detector. By comparing the amount of radiant energy absorbed by the ... | 04/25/2006 |
| 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 normalization of InGaAs system detectors. Source/detector hemispheres or seriall... | 11/01/2005 |
| 6928861 | Method for a reliability assessment, failure prediction and operating condition determination of electric equipment The present invention is directed to a method for analyzing the maintenance status of liquid-filled electric equipment. An accurate indication of the maintenance state of an electric device and its insulating liquid is obtained using an analysis method comprising a ... | 08/16/2005 |
| 6907351 | Customer-based prediction method and system using near infrared reflectance spectra of materials A method and system for predicting the content level of components in materials based on the response of the materials to near infrared radiation. One embodiment comprises electronically receiving a near infrared reflectance spectrum of a material from a customer, p... | 06/14/2005 |
| 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. Such substance can be water, a water-soluble substance, or fungi, the p... | 01/11/2005 |
| 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 installation place can be changed easily, and safety and promptness of... | 06/22/2004 |
| 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 without being influenced by humidity or deterioration of the paper materia... | 05/04/2004 |
| 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 for holding the acoustic couplant and a sample. The acoustic couplan... | 05/04/2004 |
| 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. IR radiation directed at the coating and radiation emerging from the... | 04/06/2004 |
| 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 the position of a cut web, especially in wet offset print... | 02/17/2004 |
| 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 detector connected by an electrical signal path to an ele... | 01/20/2004 |
| 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 material (46) at a controlled rate. The injection system i... | 01/20/2004 |
| 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 infrared (NIR) light. The apparatus includes a spectroscopi... | 01/06/2004 |
| 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 infrared (NIR) light. The apparatus includes a spectroscopic i... | 12/23/2003 |
| 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 the natural gas to be detected by a detector. In one embodi... | 12/02/2003 |
| 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. Such substance can be water, a water-soluble substance, or f... | 10/14/2003 |
| 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 with at least two monochromatic light beams having different... | 10/14/2003 |
| 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 moisture content; analyzing the surface using a spectrometric me... | 08/12/2003 |
| 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 electromagnetic radiation that has been reflected from the ... | 07/29/2003 |
