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| Number | Title | Issue Date |
| 7675619 | Micro-LiDAR velocity, temperature, density, concentration sensor A light scatter sensor includes a sensor body in which are positioned a plurality of optical fibers. The sensor body includes a surface, in one end of each of the optical fibers terminates at the surface of the sensor body. One of the optical fibers is an illuminati... | 03/09/2010 |
| 7667839 | Aerosol particle sensor with axial fan A particle sensor for optically detecting an unconstrained particle suspended in a flowing gas includes a sample chamber having a gas inlet and a gas outlet; a gas flow system for flowing said gas from said gas inlet through said sample chamber to said gas outlet, a... | 02/23/2010 |
| 7639358 | System and process for sorting biological particles A system which irradiates light onto a liquid flow containing a biological particle, detects the light therefrom to collect biological information thereon, and sorts the biological particle based upon the biological information, comprises an optical detector for det... | 12/29/2009 |
| 7630075 | Circular polarization illumination based analyzer system A particle discriminator using circularly polarized light projected through a channel having target particles. Light may be propagated through the channel, with some light scattered separated into forward angle scattered light, small angle scattered light and unscat... | 12/08/2009 |
| 7626699 | Chamber particle detection system Embodiments of the present invention provide an apparatus and a method for chamber particle source identification. The chamber particle source identification method and apparatus can greatly shorten the time it takes to identify chamber particle source(s). In one em... | 12/01/2009 |
| 7580127 | Polarization lidar for the remote detection of aerosol particle shape A polarization lidar system capable of remotely identifying characteristics of atmospheric aerosol particles by transmitting a polarized beam of light and analyzing polarization characteristics of received backscatter is disclosed. The transmitter features high puls... | 08/25/2009 |
| 7576857 | Particle counter with laser diode A liquid particle counter for optically detecting an unconstrained particle suspended in a flowing liquid includes a sample chamber having a liquid inlet and a liquid outlet; a laser diode module producing a symmetrically collimated laser beam; a beam shaping optica... | 08/18/2009 |
| 7561268 | Evaporative light scattering detector An improved evaporative light scattering detector apparatus for volatile samples is provided. Conventionally incomplete evaporation of the mobile phase (solvent) cannot be achieved for volatile samples as solvent cannot be fully removed at low temperature because th... | 07/14/2009 |
| 7495763 | Dual function measurement system A measurement system having dual measurements capabilities is disclosed. The measurement system has a light source configured to provide light along a first axis that illuminates a sample media. The measurement system has a first sensor configured to measure scatter... | 02/24/2009 |
| 7483136 | Refractive index matching in capillary illumination System and method for fluorescent light excitation and detection from samples to enhance the numerical aperture and/or reduce the cross-talk of the fluorescent light. ... | 01/27/2009 |
| 7453569 | Method and apparatus for measuring particle motion using scattered radiation A method and apparatus for measuring particle motion using electromagnetic radiation uses beams of radiation modulated with a distinct frequency and/or phase. A particle traversing these beams scatters a portion of the radiation. Scattered radiation, which retains i... | 11/18/2008 |
| 7436522 | Method for determining the 3D coordinates of the surface of an object A method serves to determine the 3D coordinates of an object. The 3D coordinates of a partial surface (6) of the object are determined by a 3D measuring device (3), which includes one or more detectors (4) and whose position is determined by a t... | 10/14/2008 |
| 7428041 | Lidar A lidar, which includes a transmitter and a receiver, as well as an optical system, which is arranged to direct at least part of the light sent by the transmitter as a transmitter beam progressing towards an object and to define the receiver beam to the receiver, at... | 09/23/2008 |
| 7428434 | Quantitative broadband absorption and scattering spectroscopy in turbid media by combined frequency-domain and steady state methodologies A technique for measuring broadband near-infrared absorption spectra of turbid media that uses a combination of frequency-domain and steady-state reflectance methods. Most of the wavelength coverage is provided by a white-light steady-state measurement, whereas the ... | 09/23/2008 |
| 7417734 | System and process for sorting biological particles A system which irradiates light onto a liquid flow containing a biological particle, detects the light therefrom to collect biological information thereon, and sorts the biological particle based upon the biological information, comprises an optical detector for det... | 08/26/2008 |
| 7417733 | Chamber particle detection system Broadly speaking, the embodiments of the present invention fill the need by providing an improved chamber particle source identification mechanism. The in-situ chamber particle source identification method and apparatus can greatly shorten the time it takes to ident... | 08/26/2008 |
| 7400400 | Method for monitoring particle size The present invention provides methods for the use of visible and/or near-infrared spectroscopic methodology to monitor and control processes for the generation of particles, including processes that provide for a reduction in particle size and processes that result... | 07/15/2008 |
| 7391506 | Laser radar device and method A coherent laser radar or lidar device (2;20;84;90) for measuring wind speed is described that comprises a transmitter for transmitting a beam of light to a remote probe volume (6;54), a receiver for detecting back-scattered light and an analyzer for c... | 06/24/2008 |
| 7390662 | Method and apparatus for performing platelet measurement The present invention relates to a hematology instrument system that discriminates platelets from red blood cells, debris and other particles within a blood sample. The instrument system uses an optical trigger and collects data at optical sensor locations relative ... | 06/24/2008 |
| 7382453 | Apparatus and method for characterizing an interfacial property of a dispersion An improvement in a PVT apparatus, which improvement includes a fluid path model having a fluid path and a sampling section, wherein the depth of the fluid path within the sampling section is substantially uniform and is less than about 100 μm. The apparatus may be... | 06/03/2008 |
| 7371517 | High purity X-chromosome bearing and Y-chromosome bearing populations of spermatozoa Isolated non-naturally occurring populations of spermatozoa (15) having high purity and technologies to differentiate spermatozoa (28) based on characteristics such as mass, volume, orientation, or emitted light including methods of analysis and appara... | 05/13/2008 |
| 7369230 | Apparatus and method for measuring particulate flow rate An apparatus for measuring the rate of flow of a volume of particulate material comprising a transparent tube of known cross-sectional area, means for supplying a flow of particulate material through the transparent tube, and an optical signal sensor for receiving a... | 05/06/2008 |
| 7365846 | Scattered light smoke detector The smoke detector contains an optical measuring chamber, having a sensor arrangement (2) with at least one light source (12, 12′) and one light receiver (11), and a labyrinth system (7) with screens (16) arranged on the peripher... | 04/29/2008 |
| 7365855 | Optical sensing devices with SPR sensors based on differential phase interrogation and measuring method using the same Disclosed is an optical sensing device, which comprises a light source emitting a light; a beam splitter; an SPR sensor unit comprising a sensing surface; and a detecting mechanism; and a converting unit converting the first beam and the second beam from the optical... | 04/29/2008 |
| 7361472 | Methods for providing extended dynamic range in analyte assays Methods for enhancing the dynamic range for specific detection of one or more analytes in assays using scattered-light detectable particle labels. The methods involve utilizing variations in detection technique and/or signal processing to extend the dynamic range to... | 04/22/2008 |
| 7362424 | Compositions and methods for drop boundary detection and radiation beam alignment The invention provides an apparatus and method for determining the position of a radiation beam. The apparatus includes (a) a first reflective surface and a second reflective surface, the reflective surfaces being placed to form the reflective exterior of a wedge; (... | 04/22/2008 |
| 7355706 | Particle detection system implemented with an immersed optical system Fluid-based particle detection exhibits improved light collection and image quality from a light collection system that uses immersed optics on a flow-through cell for collecting and detecting scattered light from particles carried by the fluid. The flow-through cel... | 04/08/2008 |
| 7352461 | Particle detecting method and storage medium storing program for implementing the method A particle detecting method which is capable of detecting the number of low-speed particles accurately, and a storage medium storing a program for implementing the method. Intensity of scattered light generated when a light emitted into a gas stream is scattered by ... | 04/01/2008 |
| 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, the method comprising passing the backscattered radiation th... | 04/01/2008 |
| 7348946 | Energy sensing light emitting diode display A display that includes energy sensors within the display itself is disclosed. An Organic Light Emitting Diode (OLED) can be made to operate both as a light emitter and as an energy detector. When forward biased with an appropriate driving signal, the OLED emits lig... | 03/25/2008 |
| 7343781 | Systems and methods for detecting liquid particles in a gas system A system for detecting fine liquid, e.g., oil, particles in a gas system having a high pressure compressor and at least two gas handling devices, e.g., a coalescer and at least one adsorber. The detection system uses plural sensors and a monitor unit to detect the p... | 03/18/2008 |
| 7339906 | Opening a communications stream between a user terminal and a base station A method and apparatus are provided that allow a communications stream to be quickly opened between two terminals. According to one aspect of the present invention, the invention includes registering the base station and the user terminal with each other by exchangi... | 03/04/2008 |
| 7339670 | Wavelength normalized depolarization ratio lidar A remote sensing optical system and method is disclosed that permits detection and discrimination of aerosols. The system outputs a plurality of wavelengths and is equipped with a polarization sensitive receiver capable of measuring the scattered energy in two ortho... | 03/04/2008 |
| 7339169 | Sample rotating turntable kit for infrared spectrometers An infrared spectrometer sample rotating turntable kit has a rotatable sample cup containing the sample. The infrared spectrometer has an infrared spectrometer probe for analyzing the sample and the rotatable sample cup is adapted to receive the infrared spectromete... | 03/04/2008 |
| 7336358 | Method and apparatus for determining particle size and composition of mixtures Method and apparatus for evaluating one or more materials in accordance with size of particles. The method includes evaluating a spectrum of light reflected from a first group of particles; evaluating a spectrum of light reflected from a second group of particle; co... | 02/26/2008 |
| 7332128 | Fiber-optic dissolution systems devices, and methods A dissolution system provides remote flow cells integrated into a manifold device. The manifold device communicates with liquid input and output lines associated with each flow cell, as well as fiber-optic input and output lines associated with each flow cell. Liqui... | 02/19/2008 |
| 7333184 | Ground surface cover type reflectivity variation correction in a differential absorption LIDAR system A method for improving the accuracy of estimating concentration path length of a target molecule using a differential absorption LIDAR (DIAL) system. In particular, this method allows improved detection of plumes containing the target molecule against inhomogeneous ... | 02/19/2008 |
| 7315374 | Real-time monitoring optically trapped carbon nanotubes An embodiment of the present invention is a technique to monitor carbon nanotubes (CNTs). A carbon nanotube (CNT) is manipulated in a fluid by a laser beam. An illuminating light from a light source is aligned along axis of the CNT to produce an optical response fro... | 01/01/2008 |
| 7301629 | Apparatus and method for determining tissue characteristics An apparatus and method embodying the invention include utilizing a device with a limited number of interrogation devices to accomplish a large number of measurements on a target tissue (50). An instrument embodying the invention includes a plurality of detec... | 11/27/2007 |
| 7295942 | Increasing robustness of online calibration through motion detection In a method for controlling an orienting/positioning system, the orienting system comprises at least one sensor means, an external motion detection device for detecting an externally-caused motion in the environment of the sensor means and actuator means for control... | 11/13/2007 |