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| Number | Title | Issue Date |
| 8102529 | 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. ... | 01/24/2012 |
| 8072598 | Condensation particle counter A condensation particle counter is capable of efficiently measuring the number and size of fine particles. The condensation particle counter includes a saturator, a plurality of condensers and a plurality of optical particle counters. The saturator is designed to ge... | 12/06/2011 |
| 8045162 | Method and apparatus for rapidly counting and identifying biological particles in a flow stream A method for increasing the throughput, or the precision, or both the precision and the throughput, of a flow cytometer, or of a hematology analyzer employing a flow cytometer, by utilizing the technique of laser rastering. Laser rastering involves sweeping a laser ... | 10/25/2011 |
| 8045161 | Robust determination of the anisotropic polarizability of nanoparticles using coherent confocal microscopy A coherent confocal microscope for fully characterizing the elastic scattering properties of a nanoparticle as a function of wavelength. Using a high numerical aperture lens, two-dimensional scanning and a simple vector beam shaper, the rank-2 polarizability tensor ... | 10/25/2011 |
| 8027036 | Apparatus for detecting particles on a glass surface and a method thereof The present invention relates to an apparatus for detecting particles on a glass surface and a method thereof, and more specifically, to an apparatus for detecting particles on a glass surface and a method thereof for exactly inspecting particles which may be create... | 09/27/2011 |
| 7982875 | Method and apparatus for measuring the scattered light signals from a liquid sample A sample cell for making light scattering measurements, incorporating an exterior surface acting as both a lateral and vertical lens, is described. This unique structure permits greatly improved measurement of the light scattered by molecules and particles suspended... | 07/19/2011 |
| 7929136 | Mist measuring apparatus An object of the present invention is to provide a mist measuring apparatus in which visual confirmation performance is enhanced, and high-accuracy detection is enabled. In the mist measuring apparatus including a housing, and a light source that is provided in this... | 04/19/2011 |
| 7916294 | System and method for solubility curve and metastable zone determination A system for determining a solubility of a substance comprises a holder to hold a sample comprising an amount of the substance and an amount of the solvent system. The system further comprises a temperature conditioner to alter a temperature of the sample, an optica... | 03/29/2011 |
| 7894060 | Modular dust measurement A modular dust measuring device (10) is set forth for the determination of a foreign body concentration in a gas having at least one optical sensor head (14) which has a light transmitter (16) and a light receiver (22) and having a centra... | 02/22/2011 |
| 7894059 | Film formation processing apparatus and method for determining an end-point of a cleaning process The present invention provides a particle measuring system which is provided in a processing system 40 which generates an atmosphere obtained by exhausting air or a gas in a processing chamber 48 by a vacuum pump 98 and applies a process concern... | 02/22/2011 |
| 7880879 | Optical measuring device An optical measuring device is provided. The optical measuring device irradiates a sample flowing in a channel with light, and detecting light emitted from the sample, wherein the light is applied while scanned at least from one side wall to another side wall of the... | 02/01/2011 |
| 7804594 | Method and apparatus for rapidly counting and identifying biological particles in a flow stream A method for increasing the throughput, or the precision, or both the precision and the throughput, of a flow cytometer, or of a hematology analyzer employing a flow cytometer, by utilizing the technique of laser rastering. Laser rastering involves sweeping a laser ... | 09/28/2010 |
| 7800754 | Optical arrangement for a flow cytometer An optical system suited to high sensitivity measurement of small particles as they travel through a point of detection in a flow cell. The system consists of components along two optical axes, preferably but not necessarily, at approximately the Brewster angle to o... | 09/21/2010 |
| 7796253 | Image forming apparatus for forming image on record medium A particle detecting device including a light source light reflector to reflect a laser light to make it intersect an observed light path of a light detector plural times at different positions, or a scattered light reflector to reflect the observed light path of th... | 09/14/2010 |
| 7796254 | Method and apparatus for determining particle size and composition of mixtures A method for determining characteristics of a material includes illuminating the material with coherent light so as to produce scattered light; autocorrelating the scattered light; preprocessing a signal representative of the scattered light to produce a processed s... | 09/14/2010 |
| 7796255 | Optical particle sensor with exhaust-cooled optical source The invention relates to particle sensors that are capable of passively cooling high-powered optical sources within the sensor, thereby extending the optical source lifetime without requiring additional power. The sensor detects particles within a sample fluid by op... | 09/14/2010 |
| 7733487 | Particle counting method A particle counting method is provided whereby a liquid sample is radiated by a laser light, scattered light produced by causing the laser light to hit a particle in the liquid sample is detected by a photoelectric conversion element, and a sample value which is the... | 06/08/2010 |
| 7733486 | Environmental sensor including a baffle A baffle for use with an environmental sensor such as a particle counter. The environmental sensor includes a housing and an inlet. The inlet has an axis and defines a first cross-sectional area with respect to the axis. The baffle includes a bullet configured to be... | 06/08/2010 |
| 7719683 | Condensation particle counter A condensation particle counter is capable of efficiently measuring the number and size of fine particles. The condensation particle counter includes a saturator, a plurality of condensers and a plurality of optical particle counters. The saturator is designed to ge... | 05/18/2010 |
| 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 |
| 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 |
| 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 |
| 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 |
