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| Number | Title | Issue Date |
| 8184293 | Methods and systems for chemical composition measurement and monitoring using a rotating filter spectrometer The invention relates to methods and systems for measuring and/or monitoring the chemical composition of a sample (e.g., a process stream), and/or detecting specific substances or compounds in a sample, using light spectroscopy such as absorption, emission and fluor... | 05/22/2012 |
| 8049894 | Multiple wavelength optical analyzer device A device and method of operation for analyzing signal features over multiple optical wavelengths is presented. A plurality of rotating thin film filters is arranged with respect to a collimated beam of light so that each thin film filter transmits light of a particu... | 11/01/2011 |
| 7876442 | Analyzer An analyzer is provided with a light irradiation device. The light irradiation device includes a light source, and a rotatable filter section, which has a plurality of optical filters having different light transmission characteristics, and irradiates an analyzing o... | 01/25/2011 |
| 7826055 | Optical channel analyzer with variable filter An optical analyzer (14) for performing spectral analysis on an optical beam (18) includes an optical filter (28), a mover (30), an optical launcher (36), and an optical receiver (38). The optical filter (28) includes... | 11/02/2010 |
| 7826056 | Testing method for testing color wheels A testing method is configured for testing parameters of a color wheel. The color wheel includes a color filter, which includes three sector-shaped filter segments and a motor for driving the filter segments of the color filter to rotate. The color filter is driven ... | 11/02/2010 |
| 7692794 | Optical detection apparatus, optical detection method, and microfluidic system including the optical detection apparatus Provided are an optical detection apparatus, a microfluidic system including the same, and an optical detection method. The optical detection apparatus including: at least one light emission unit which emits light of a predetermined wavelength band; at least one lig... | 04/06/2010 |
| 7656531 | Holding apparatus for spectrum measurement A holding apparatus (40) for spectrum measurement of optical elements includes a fixed board (11) having a first through hole (111), and a receiving board (12) having a plurality of receiving holes (120) with different sizes config... | 02/02/2010 |
| 7538877 | Variable exposure rotary spectrometer and method of use The present invention relates to instruments used to analyze materials with light-absorbing properties and their methods of use. More specifically, the invention relates to the use of adjustable optical filters whereby light-absorption can be measured in more detail... | 05/26/2009 |
| 7535569 | Optical measurement unit for a measurement device and a handheld photoelectric measurement device A handheld photoelectric measurement device includes a housing (G) which is provided with a measurement window (F). An illumination arrangement is positioned in the housing for impinging the measurement object through the measurement window with illumination light f... | 05/19/2009 |
| 7414725 | Method and apparatus for a microscope image selector The disclosure generally relates to a multimode imaging apparatus for simultaneously obtaining multiple wavelength-discriminative spectral images of a sample. In one embodiment, the apparatus includes an image selector having a rotator assembly, the rotator assembly... | 08/19/2008 |
| 7405095 | Method for producing color-wheel segments A method for producing from a plate-shaped substrate circular sections for use for instance in a color wheel encompasses inter alia such steps as positioning predefined edge break lines in such fashion that the circular sections to be separated at a subsequent point... | 07/29/2008 |
| 7382455 | Spectrophotometric optical system of microplate reader and filter wheel thereof A spectrophotometric optical system of a microplate reader and a filter wheel thereof are disclosed. The filter wheel comprises a pivotable wheel body, at least one narrow-band filter with a relatively long central wavelength mounted to the wheel body, and at least ... | 06/03/2008 |
| 7365843 | Spectral photometer and associated measuring head A spectral photometer intended for integration purposes includes a measurement head equipped with illumination arrangement including at least one light source for the illumination at an angle of incidence of 45° of a measured object and located in a measurement pla... | 04/29/2008 |
| 7342657 | Dual illumination angle goniometric spectrophotometer The present disclosure provides for a device, as well as a system and method associated therewith, for, among other things, providing: (i) up to five distinct measurement angles along with an illumination reference channel; (ii) a plurality of illumination sources t... | 03/11/2008 |
| 7339170 | Optical encoding and reconstruction The invention features methods including: (i) modulating multiple components (e.g., different spatial regions, different wavelengths, or both) of electromagnetic (EM) radiation emerging from an object with different time-varying functions; (ii) measuring at least on... | 03/04/2008 |
| 7322527 | Color measurement instrument capable of both strip reading and spot reading A color measurement instrument that is capable of both spot reading and strip reading. The instrument includes a handheld unit and a docking unit. When removed from the docking unit, the handheld unit is used for spot reading. When docked in the docking unit, the ha... | 01/29/2008 |
| 7321428 | Process photometer A process photometer which includes an insulated and a non-insulated compartment. The insulated compartment is maintained at a relatively constant, elevated temperature. The radiation source, a rotatable filter wheel, a radiation detector, and a means for converting... | 01/22/2008 |
| 7315377 | System and method for remote sensing and/or analyzing spectral properties of targets and/or chemical species for detection and identification thereof A method and a low-cost, robust and simple system for remote sensing and analyzing spectral properties of targets as a means to detect and identify them is introduced. The system can be highly portable but is usable in fixed locations or combination thereof. An aspe... | 01/01/2008 |
| RE39979 | Color wheel including light deflecting means A color wheel includes lens structures, which are formed on a surface of a substrate opposite to a surface having filter sectors, and which have curved surfaces formed at their abutting ends and positioned along a boundary between adjacent filter sectors. Light impi... | 01/01/2008 |
| 7310547 | Fluorescent fiberoptic probe for tissue health discrimination A system and method for the in situ discrimination of healthy and diseased tissue. A fiberoptic based probe is employed to direct ultraviolet illumination onto a tissue specimen and to collect the fluorescent response radiation. The response radiation is observed at... | 12/18/2007 |
| 7310147 | Robotic apparatus for picking of cells and other applications with integrated spectroscopic capability A robotic apparatus of the kind having a sample manipulation head with associated positioning system mounted above the main bed of the apparatus, as used for picking of cells, in particular animal cells, or for other biological or chemical applications. An imaging s... | 12/18/2007 |
| 7309867 | Methods and apparatus for characterization of tissue samples The invention provides methods for determining the probability that a given region of a tissue sample contains tissue of a given category, such as CIN 1 (cervical intraepithelial neoplasia, grade 1), CIN 2/3 (cervical intraepithelial neoplasia grades 2 and/or 3), no... | 12/18/2007 |
| 7310149 | Systems and methods for measurement of properties of small volume liquid samples A system for measuring properties of small volume samples includes a source of electromagnetic radiation; a first optical system; an optical delivery system; a sample holding assembly; a second optical system; a detecting system; an optical transmission system; a da... | 12/18/2007 |
| 7302289 | Readable probe array for use A disposable high density optically readable polydeoxynucleotide array with integral fluorescence excitation and fluorescence emission channels is described. The compact array size allows integration into several types of interventional devices such as catheters, gu... | 11/27/2007 |
| 7295392 | Color wheel with aligned segments A color wheel for use in projector systems comprises a disc shaped hub, rotatable around a central axis and color filter segments arranged radially to said central axis and affixed to said hub. This color ring is arranged concentrically with respect to said axis and... | 11/13/2007 |
| 7292337 | Optical processor using detecting assembly and method using same An optical processor includes a light source (20), a grating device (23), a first lens (24), a reflector (25), a second lens (26), an array of mirror cells (28), a color wheel (29), and a third lens (30). The l... | 11/06/2007 |
| 7283230 | Semiconductor forensic light kit A semiconductor forensic light kit is disclosed. The forensic light kit may use a variety of semiconductor light sources to produce light that contrasts forensic evidence against its background for viewing, photographing and collection. Example semiconductor light s... | 10/16/2007 |
| 7282723 | Methods and apparatus for processing spectral data for use in tissue characterization The invention provides methods for processing tissue-derived spectral data for use in a tissue classification algorithm. Methods of the invention comprise application of spectral and/or image masks for automatically separating ambiguous or unclassifiable spectral da... | 10/16/2007 |
| 7279688 | Arson and forensic scanner having a hydrocarbon gas detector with a detachable collector cone and kit assembly A simple and reliable portable flashlight shaped instrument that combines in a first embodiment an array of a combination of ultraviolet, white and multicolor LED arrays in combination with a broad band hydrocarbon gas detector and, in a second embodiment, a combina... | 10/09/2007 |
| 7277175 | Systems and methods for wavelength selective measurement of properties of small volume liquid samples A system for measuring properties of small volume liquid samples, where the system includes wavelength selective filters. ... | 10/02/2007 |
| 7274455 | Optical detection apparatus for multi-channel multi-color measurement and multi-channel sample analyzer employing the same Provided are an optical detection apparatus which can measure multi-channel samples at high speed and various wavelengths using an optical detector and a multi-channel sample analyzer employing the same. The optical detection apparatus includes an optical detector; ... | 09/25/2007 |
| 7272252 | Automated system for combining bright field and fluorescent microscopy A method and apparatus for automated analysis of transmitted and fluorescently labeled biological samples, wherein the apparatus automatically scans at a low magnification to acquire images which are analyzed to determine candidate cell objects of interest. Once can... | 09/18/2007 |
| 7268961 | Color wheel, and method and jig for producing same In a color wheel comprising a plurality of color filter segments arranged so as to form a disk and a support member fixed to the color filter segments, the color filter segments are each outlined only by a circular arc and two straight lines passing through the cent... | 09/11/2007 |
| 7266271 | System, probe and methods for colorimetric testing A system and methods for performing calorimetric testing which includes a micro resonator that supports a plurality of whispering gallery mode resonant frequencies, a first waveguide that receives light and evanescently couples whispering gallery mode resonant frequ... | 09/04/2007 |
| 7262855 | Color measurement engine with UV filtered illumination A color measurement instrument includes a housing and illuminators, a two-dimensional photodetector array, and an optics system within the housing. A UV filter wheel closes the housing to prevent contaminants from entering the housing. The filter wheel supports UV f... | 08/28/2007 |
| 7262909 | Illumination apparatus for an optical system and microscope An illumination apparatus for an optical system is disclosed, the illumination apparatus (1) encompassing a single light source (2) that emits broad-band light into an illumination beam path (2a). Placed after the light source (2) ... | 08/28/2007 |
| 7260248 | Image processing using measures of similarity The invention provides methods of relating a plurality of images based on measures of similarity. The methods of the invention are useful in the segmentation of a sequence of colposcopic images of tissue, for example. The methods may be applied in the determination ... | 08/21/2007 |
| 7255474 | Parallel infrared spectroscopy apparatus and method A library of material samples is provided in a condition suitable for imaging using infrared (IR) spectroscopy. The samples are provided to one or more detection cells, each of the cells including or containing a reflective surface. Preferably, for imaging, an energ... | 08/14/2007 |
| 7253977 | Monolithic color wheel and process for fabrication of the same A method for fabricating a monolithic color wheel. The method includes (a) preparing a square transparent substrate; (b) forming a plurality of color filters on the square transparent substrate; and (c) cutting the square transparent substrate and the color filters ... | 08/07/2007 |
| 7251032 | Optical monitoring system with molecular filters An optical monitoring system for determining the constituents of a sample or specimen. An absorption spectrum is obtained from a sample and is passed through one or more filters having a specified absorption spectrum defined by a single atom or a compound. If the fi... | 07/31/2007 |
