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Class 356/335 - FOR SIZE OF PARTICLES


Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter for determining in a group of discrete particles
No. of applications: 50
Last issue date: 01/12/2012


1    
Application No.Application TitleIssue Date
20120008143DEVICE FOR DETERMINING PARTICLE SIZES
The invention generally relates to the determination of particle sizes. The invention relates, in particular, to the determination of the sizes of particles in a particle stream. For this purpose, a first optical measuring system having a first matrix sensor and a light...
01/12/2012
20110216317SENSOR FOR SENSING AIRBORNE PARTICLES
A particle sensor is disclosed capable of sensing airborne particles larger than about 10 nm in an airflow passing through a passage inside the sensor. The sensor comprises a high-voltage discharge electrode for generating airborne unipolar ions that charge the airborne...
09/08/2011
20110205524Methods of Analyzing Samples Using Broadband Laser Light
Broadband light, for example, from a Fabry-Perot quantum cascade laser, is shone onto a sample, and spectral data concerning the broadband light reflected from the sample is collected. The spectral data is analyzed to determine information about one or more substances i...
08/25/2011
20110194110SPRAY-INSPECTION MACHINE AND METHOD FOR AN ASSEMBLY LINE FOR ASSEMBLING FLUID SPRAY DEVICES
A spray-inspection machine for an assembly line for assembling a fluid spray device, the machine comprising: a support receiving at least one fluid spray device taken directly from the assembly line; an actuator system for actuating a fluid spray device of said support ...
08/11/2011
20110192595METHOD AND APPARATUS FOR MEASURING PARTICLE SIZE DISTRIBUTION IN DRILLING FLUID
A method for measuring particle size distribution in a fluid material, involving inserting a laser beam instrument directly in the fluid flow line, wherein the laser beam instrument focuses a laser beam on a window directly coupled with the fluid flow line, wherein the ...
08/11/2011
20110181869PARTICLE CHARACTERIZATION DEVICE
Provided is a particle characterization device that can ensure measurement accuracy even though light detecting means has a single configuration, and enables the number of optical elements to be decreased as much as possible to suppress cost increase and reduce the numb...
07/28/2011
20110116092Wide Size Range Fast Integrated Mobility Spectrometer
A mobility spectrometer to measure a nanometer particle size distribution is disclosed. The mobility spectrometer includes a conduit and a detector. The conduit is configured to receive and provide fluid communication of a fluid stream having a charged nanometer particl...
05/19/2011
20110096327Spiral Microchannel Particle Separators, Straight Microchannel Particle Separators, and Continuous Particle Separator and Detector Systems
A spiral microchannel particle separator includes an inlet for receiving a solution containing particles, at least two outlets, and a microchannel arranged in a plurality of loops. Particles within a solution flowing through the spiral microchannel experience a lift for...
04/28/2011
20110069310MICROPARTICLES MEASURING APPARATUS
Disclosed herein is a microparticles measuring apparatus including: an optical detecting section configured to direct a leaser beam toward microparticles passing through a flow channel, detect light emanating from the microparticles, and convert the detected light into ...
03/24/2011
20110029256GRAPHICALLY REPRESENTING A NUMBER OF MEASUREMENT DATA SETS
Disclosed is graphically representing each of a number of measurement data sets as a variation of at least one parameter, wherein each measurement data set results from a measurement, by: [A] selecting a plurality of the measurement data sets to be graphically represent...
02/03/2011
20110019187METHOD OF ANALYZING PARTICLE SIZE DISTRIBUTION OF PARTICLES IN METAL MATERIAL
A method according to the present invention has: isolating, by extraction, particles contained in a metal material to be analyzed in a solution using a particle isolator; dispersing the particles isolated by extraction into a solvent to prepare a dispersion, and fractio...
01/27/2011
20100253943Method and systems for particle characteruzation using optical sensor output signal fluctuation
Methods and systems for particle characterization using a light fluctuation component of an optical sensor output signal. The use of the light fluctuation component enables particle characterization (e.g. provision of information on particle size, type and confidence) w...
10/07/2010
20100245820Mass Sensor
A mass sensor is provided for determining the mass of small objects. The mass sensor has a plurality of nanostructures attached to a substrate. The nanostructures and the substrate are irradiated with an electromagnetic wave to determine a first mechanical-electromagnet...
09/30/2010
20100231908METHOD AND APPARATUS FOR DETECTING SIZE OF PARTICLES IN LIQUID
The size of particles is detected accurately and at low cost even when there are few microparticles as impurities included in a liquid. Provided is a method of detecting a size of particles in a liquid by detecting diffraction fringes appearing due to the particles in t...
09/16/2010
20100208263SYSTEM AND METHOD FOR DISTINGUISHING PARTICLES IN A TRANSIENT FLUID
A method for detecting a presence of a particle in a fluid is disclosed. The method includes the steps of directing a beam of electromagnetic radiation into the transient fluid; providing a sensor to detect an intensity of the radiation after passing through at least a ...
08/19/2010
20100201982ANALYTICAL METHOD FOR OPTICAL MEASUREMENT
An electric field spatially-regularly arranged is applied to particles movably dispersed in a medium to migrate particles. The resulting density distribution of the particles generates a diffraction grating. In the annihilation process of the diffraction grating through...
08/12/2010
20100171954Method and Apparatus for Analysis and Sorting of Polynucleotides Based on Size
The invention relates to a microfabricated device and methods of using the device for analyzing and sorting polynucleotide molecules by size....
07/08/2010
20100128266MEASURING INSTRUMENT
With a measuring instrument for measuring sample particles moving in a cuvette, for example for measuring a zeta potential or the Brownian size the particles, with a filling device for filling and an emptying device for emptying the cuvette mounted on the ends thereof a...
05/27/2010
20100027006DEVICE AND METHOD FOR MONITORING THE PARTICLE CONTAMINATION IN FLOWING HYDRAULIC FLUIDS
A device for monitoring particle contamination in flowing hydraulic fluids includes a mechanism for particle counting and particle sizing. Further, a method for monitoring particle contamination in flowing hydraulic fluids: determines fluid flow velocity; counts particl...
02/04/2010
20090242799METHOD FOR THE DETECTION OF BIOLOGIC PARTICLE CONTAMINATION
Methods for detecting particles in a fluid, including determining particle size and intrinsic fluorescence of a particle, and time correlating the particle detection data with image data in the vicinity of the detector or detector inlet to identify contamination sources...
10/01/2009
20090229067WINDOW SCRAPER FOR AN OPTICAL INSTRUMENT
A scraper for an optical surface of a device is disclosed. The scraper includes a blade having an edge that is rigid and non-deforming to withstand high shear stresses. The blade is configured to rotate about a first axis parallel to the optical surface and also configu...
09/17/2009
20090219529METHOD AND APPARATUS FOR DETERMINING THE PARTICLES CONTAINED IN A PARTICLE STREAM
A method and an apparatus for determining the particle content of a particle stream using a source of light and two receivers arranged offset from one another in the flow direction of the particle stream. The receivers provide an electrical signal to an evaluation unit ...
09/03/2009
20090222218Methods and systems for computing a particle size distribution of small partcles in a process
Methods, systems and computer readable media for computing small particle size distributions of particles in a process stream comprising a sample dilute colloid. A reference matrix of pre-computed reference vectors is provided. Each reference vector represents a discret...
09/03/2009
20090164140Analyzer, analyzing method and computer program product
An analyzer includes a distribution range information acquirer for obtaining distribution range information related to a particle size distribution range of a bound body of a protein and a predetermined substrate based on particle size distribution information which rep...
06/25/2009
20090128809METHOD OF ANALYSIS IN OPTICAL MEASUREMENTS
The method of the present invention generates a regularly lined electric field inside a container 1 retaining a sample formed by dispersing particle groups in a liquid by a voltage being applied to an electrode pair 2 provided in the container 1, ge...
05/21/2009
20090091755Measuring method and system for measuring particle size and shape of powdery or grain like particles
The invention relates to a measuring method for measuring the properties of a powder or granular sample (1) from the surface information of the sample. According to the method the sample is leveled for the measurement, at least one image of the surface of the sam...
04/09/2009
20090073437PLURALITY OF SAMPLES AND METHOD FOR SELECTING A TARGET SAMPLE THEREFROM
The present invention provides a plurality of samples, each of which includes particles of a predetermined particle dimension, within narrow predetermined limits, dispersed in a carrier at a predetermined particle concentration. The predetermined particle dimension and ...
03/19/2009
20090009749CONDENSATION 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 condenser and an optical particle counters. The saturator is designed to generate a saturated gas by satu...
01/08/2009
20090009748CONDENSATION 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 genera...
01/08/2009
20090007700In situ sampling and monitoring a fluid
A method for in situ sampling and monitoring of a fluid flowing in a flow path, whereby the fluid is to be directed to a chamber a first valve may provide a connection the flow path and a second valve may provide a connection between an outlet from the chamber and the f...
01/08/2009
20080231854APPARATUS AND METHOD FOR DETERMINING THE PARTICLE SIZE AND/OR PARTICLE SHAPE OF A PARTICLE MIXTURE
An apparatus for determining the particle size and/or particle shape of a mixture of particles is provided, comprising
    • ...
09/25/2008
20080204749Method, system and apparatus for monitoring variations in the size of particles present in a fluid
The present invention relates to a method, system and apparatus for continuously monitoring variations in the size of particles present in a fluid on a real time basis. The method comprises of passing one or more optical signal through the fluid such as engine oil. The ...
08/28/2008
20080186488Distinguishing objects
While objects travel through an optical cavity, the cavity provides output light that is affected by the objects, causing the output light to have a varying intensity function. The output light is photosensed to obtain sensing results that depend on the varying intensit...
08/07/2008
20080037016DROPLETS DETECTING SYSTEM
A droplets detecting system (100) includes a laser diode assembly (20), a photo diode (30), a light source (40), a charge coupled device camera (50), a signal processing and displaying device (32), and an image processing and di...
02/14/2008
20070165225Methods and apparatus for determining the size and shape of particles
An instrument for measuring the size distribution of a particle sample by counting and classifying particles into selected size ranges. The particle concentration is reduced to the level where the probability of measuring scattering from multiple particles at one time i...
07/19/2007
20070159627Method and system for counting particles in a laminar flow with an imaging device
An invention is described which allows measurement of the concentration of fluorescent particles in a flowing (laminar) fluid by imaging the flow with a video camera. A beam of illumination is used to illuminate the target particles. Imaging optics are arranged to view ...
07/12/2007
20060221338Granular product inspection device
A particle inspection device includes a feeder configured to drop a particle through an image area. The feeder includes a tray surface having a flat portion and an edge portion disposed above the image area. The inspection device also includes a vibration device configu...
10/05/2006
20060152737Method and apparatus for electronically generating an outline indicating the size of an energy zone imaged onto the IR detector of a radiometer
A radiometer includes a sighting system that generates a digital image of an object surface having an area that is to be imaged onto the IR detector. A shape outline is overlaid on the digital image of an object surface to indicate the extent of the energy zone that is ...
07/13/2006
20060139638Multiparametric cell identification and sorting method and associated device
The invention relates to an method of analysing biological particles, in particular to be conducted in a cell sorter, with following steps: placing the particles to be analysed into a carrier flow, carrying out a first analysis of the particles moving with the carrier f...
06/29/2006
20060119847Method and instrument for measuring size of bubbles of malt alcohol beverage
A method and apparatus for measuring the particle diameter of foam on a malt alcoholic drink, which can determine the quality of the foam of the malt alcoholic drink objectively, are provided. The apparatus for measuring the particle diameter of foam on a malt alcoholic...
06/08/2006
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