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| Number | Title | Issue Date |
| 8189199 | Dual sample mode spectrophotometer A dual-mode method and apparatus of selectively measuring samples in either a vessel or as a surface tension retained sample held between two opposing pedestals is introduced. In either configuration, such modes further contain optical paths from a source system thr... | 05/29/2012 |
| 8023113 | Biological analysis arrangement and approach therefor Characteristics of a chemical or biological sample are detected using an approach involving light detection. According to an example embodiment of the present invention, an assaying arrangement including a light detector is adapted to detect light from a sample, suc... | 09/20/2011 |
| 8018596 | Interactive variable pathlength device This disclosure relates generally to a sampling device, and more particularly, a sampling device that facilitates spectroscopic measurements with a variable path length and the necessary software controlled algorithms and methods for such a device. ... | 09/13/2011 |
| 7978329 | Portable scattering and fluorescence cytometer An apparatus having scattering and multi-color fluorescence detecting, analyzing and identification capabilities of blood or other fluids of interest. The sample to be tested may be entered in a disposable microfluidic cartridge which in turn is insertable in a hand... | 07/12/2011 |
| 7929140 | Spectroscopy probe and material processing system A process monitoring system determines a spectral response of a process material. This system has a tunable laser for generating an optical signal that is wavelength tuned over a scan band and an optical probe for conveying the optical signal to the process material... | 04/19/2011 |
| 7924425 | Spatially selective fixed-optics multicolor fluorescence detection system for a multichannel microfluidic device, and method for detection A system for spatially selective, fixed-optics fluorescence detection in a multichannel polymeric microfluidic device, and a method for performing spatially selective, fixed-optics fluorescence detection. ... | 04/12/2011 |
| 7916299 | Method and apparatus for optical detection of a phase transition The device and the method are used for optical detection of at least one phase transition between at least two media, which are taken into a line and/or dispensed from the line by an intake and/or dispensing device. A light-emitting transmitter emits light across an... | 03/29/2011 |
| 7894071 | Measurement chip The present invention concerns a measurement chip (1) for carrying out measurements of transmission and/or emission and/or scattering of light by a fluid sample in an operator unit, wherein the measurement chip has a base plate (2) produced from a tran... | 02/22/2011 |
| 7889345 | Method and system for detecting the level of anesthesia agent in an anesthesia vaporizer A method of detecting a level of anesthetic agent in an anesthesia vaporizer is disclosed. The anesthetic agent forms a column of liquid within an external indicator; the method projects a beam of light into the external indicator. The method further receives the be... | 02/15/2011 |
| 7830520 | Optical measurement device for trace liquid sample In a spectrophotometer for measuring transmitted light of a trace liquid sample, four sample holders 12 are provided on a disk-like sample plate 11 while spaced apart by 90 degrees. The sample plate 11 is driven to rotate so that each of the sam... | 11/09/2010 |
| 7808641 | Interactive variable pathlength device This disclosure relates generally to a sampling device, and, more particularly, a sampling device that facilitates spectroscopic measurements with a variable path length and the necessary software controlled algorithms, and methods for using such a device. ... | 10/05/2010 |
| 7808642 | Turbidimeter with ultrasonically cleaned components An ultrasonic optical cleaning system is provided for cleaning and deterring the buildup of organic and inorganic particulates from the surface of glassware used in water testing instrumentation. The ultrasonic optical cleaning system includes a transducer that is a... | 10/05/2010 |
| 7796266 | Optical detection system using electromagnetic radiation to detect presence or quantity of analyte A system that employs transmission-based detection techniques to determine the presence or concentration of an analyte within a test sample is provided. Specifically, the optical detection system contains a chromatographic-based assay device that is positioned in th... | 09/14/2010 |
| 7791728 | System for optically analyzing a substance with a selected single-wavelength A microfluidic analysis system for optically analyzing a substance includes a light source having a plurality of selectable single-wavelength light sources, a substance presentation member optically coupled to the light source, and an optical detection system associ... | 09/07/2010 |
| 7782463 | Particle density measuring probe and particle density measuring equipment Disclosed is a particle density measuring probe for measuring the density of atoms or molecules in a plasma atmosphere by absorption spectroscopy. The probe has a cylindrical light guiding member provided in the plasma atmosphere. At the front end of the light guidi... | 08/24/2010 |
| 7777887 | Absorption spectroscopy apparatus and method An absorption spectroscopy apparatus including an elliptical mirror centered on the midpoint between a source/detector and a mirror. The cavity between the elliptical mirror and the source/bolometer and mirror defines an interior volume of a sample cell. Electromagn... | 08/17/2010 |
| 7701581 | Device for determining of properties in a fluid and/or constituents thereof The present invention (HBX) describes a system and device design for measuring and analysis of properties in liquids with suspensions, preferably human body fluids e.g. whole blood and in the fluid existing substances and particles. By penetrating a sample of the li... | 04/20/2010 |
| 7595883 | Biological analysis arrangement and approach therefor Characteristics of a chemical or biological sample are detected using an approach involving light detection. According to an example embodiment of the present invention, an assaying arrangement including a light detector is adapted to detect light from a sample, suc... | 09/29/2009 |
| 7435391 | Light-mediated micro-chemical reactors A chemical reactor includes two substrates that are joined along a surface and a chemical reaction chamber formed between the substrates. The chemical reaction chamber has a hollow interior and one or more light reflectors located along walls of the hollow interior.... | 10/14/2008 |
| 7423751 | Systems and methods for use in detecting harmful aerosol particles The invention provides systems and methods for detecting aerosols. The systems and methods can be used to detect harmful aerosols, such as, bio-aerosols. ... | 09/09/2008 |
| 7411680 | Device for counting micro particles A device for counting micro particles is presented. The device comprises a light source; a chip containing micro particles; an object lens; a CCD camera; a counting part; and a shifter for shifting the position of the chip. It is easy to count the number of micro pa... | 08/12/2008 |
| 7405826 | Systems and methods for chiroptical heterodyning An apparatus and method for improved detection of a chiral property of a sample begins with a probe beam of light having a first modulation frequency ω and is further modulated with a second modulation frequency φ. A non-linear photo-detector, which may include mu... | 07/29/2008 |
| 7403280 | Fiber coupling into bent capillary A fluidic device is provided which is adapted to subject a fluid to light. It generally comprises a capillary that is adapted for conducting the fluid and which furthermore and comprises at least one bending and at least one waveguide having an end face that is adap... | 07/22/2008 |
| 7397564 | Turbidity sensor The invention relates to a turbidity sensor comprising an operational assembly which is housed in a structure (1) and which is equipped with a support (3) having a base (5) from which pins (6) extend. According to the invention, the compo... | 07/08/2008 |
| 7391517 | Method and device for measuring the absorption or light diffusion of biological elements A method and a device, using a system of plural cavity resonators, enabling to measure the light absorption or diffusion of biological samples. A measurement of low absorption or diffusion can be achieved and for example be applied for measuring the hybridization of... | 06/24/2008 |
| 7388666 | Probe assembly with a light hood and a detecting instrument equipped with the same A probe assembly used in testing instrument for determining optical signal within a test cell, comprising a top plate (5;205) with a through-hole (52;250) therein; a cylindrical light hood (2;202) having a central channel (21;221); the lo... | 06/17/2008 |
| 7382459 | Spectroscopic gas sensor, in particular for detecting at least one gas component in the ambient air, and method for manufacturing a spectroscopic gas sensor of this type A spectroscopic gas sensor is provided, in particular to detect at least one gas component in the ambient air, and a method for the manufacture of a spectroscopic gas sensor of this type. The gas sensor includes the following: at least one radiation detection device... | 06/03/2008 |
| 7375815 | Optical devices, systems and method for producing a collimated light path Devices, systems and methods are provided for producing a collimated light path. Theses devices, systems and methods may be used to determine an optical property of a small volume sample. ... | 05/20/2008 |
| 7369241 | Continuous optical measuring apparatus and continuous optical measuring method An inexpensive continuous optical measuring apparatus with high cost/performance ratio capable of obtaining the emission of light at respective fixed positions arranged on a foundation member, by a simple device or a control, and a continuous optical measuring metho... | 05/06/2008 |
| 7369242 | Cavity ring-down spectrometer for semiconductor processing An apparatus is provided for measuring a gas within a semiconductor thin film process. The apparatus includes an optical resonator disposed within an environment of the thin-film process, a tunable laser that excites the optical resonator at a characteristic frequen... | 05/06/2008 |
| 7369226 | Optical sensor device having variable optical path length An optical sensor is provided with an adjustable and variable optical path length (OPL). The optical sensor can be used in conjunction with a flow cell for ultraviolet (UV) absorbance measurements. On opposite sides of the flow cell, optical windows are installed in... | 05/06/2008 |
| 7365852 | Methods and systems for selecting pathlength in absorbance measurements Methods and sub-systems for substantially optimizing the absorbance measurement in optical instruments are provided. A method comprises forming a liquid sample into a droplet extending between two opposing surfaces, passing a light beam through the sample, and varyi... | 04/29/2008 |
| 7365352 | Gas concentration flux measuring device A gas flux measuring device measures a region, such as a forest, as a measuring object with no influence by concomitants and with high responsiveness and excellent measuring stability. The device includes a laser beam source, laser output controller, wavelength modu... | 04/29/2008 |
| 7362433 | Absorbance reader apparatus, absorbance reader control method, and absorbance calculation program The absorbance of samples in a number of wells on a microchamber array is efficiently read in a short period of time. The microchamber array is simultaneously irradiated with monochromatic light. Well-transmitted light is captured via a telecentric optical system ( | 04/22/2008 |
| 7355699 | Optical detector for a particle sorting system An optical system for acquiring fast spectra from spatially channel arrays includes a light source for producing a light beam that passes through the microfluidic chip or the channel to be monitored, one or more lenses or optical fibers for capturing the light from ... | 04/08/2008 |
| 7355697 | Flow-through, thermal-expansion-compensated cell for light spectroscopy Optical cells are non-actively compensated to ensure that a sample gap of a sample space remains nearly constant upon a change in temperature. Fluids can be flowed through the sample space of the optical cells. ... | 04/08/2008 |
| 7352464 | Oxygen sensor for aircraft fuel inerting systems An apparatus and method for monitoring oxygen concentrations in fuel tank ullage comprising providing a sensor head comprising an optical cavity, exposing the optical cavity to an ambient gaseous environment of a fuel tank or air separation module, via a laser light... | 04/01/2008 |
| 7345766 | Measuring chamber for photo-acoustical sensors A measuring chamber for photo-acoustical sensors for the continuous measurement of radiation-absorbing substances, in particular of radiation-absorbing particles, in gaseous samples includes at least one entry and at least one exit for the samples, a tube section wi... | 03/18/2008 |
| 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 |
| 7336354 | Spectrophotometer A spectrophotometer having an optical system for directing a beam of substantially monochromatic excitation light to a liquid sample contained in a well (3) of a well plate for interaction with the sample for absorption or emission measurements to analyse the... | 02/26/2008 |
