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8867046 Method and apparatus for measuring a position of a particle in a flow  
A method and an apparatus of measuring a position of a particle in a flow are disclosed. An embodiment of the method comprises temporally modulating and spatially pattering an illumination beam...
8711353 Fluid-borne particle detector  
There is disclosed improved apparatus and methods for detection of shape, size and intrinsic fluorescence properties of a fluid borne particle wherein the apparatus comprises a laser, two light...
8701746 Optically detected liquid depth information in a climate control unit  
Systems and methods for determining liquid depth information in a condensate pan of a climate control unit are provided. The systems and methods radiate a light beam into a liquid contained in a...
8570512 System, storage mediums, and methods for identifying particles in flow  
Methods, storage mediums, and systems for correlating pulses generated from multiple interrogation regions in a flow cytometer to particular particles flowing through the flow cytometer are...
8433526 Method and system for steam quality monitoring  
A method of determining a steam quality of a wet steam located in an interior of a steam turbine includes emitting from an optical probe a plurality of wavelengths through the wet steam, measuring...
8319965 Method and apparatus for measuring a position of a particle in a flow  
Aerosol and hydrosol particle detection systems without knowledge of a location and velocity of a particle passing through a volume of space, are less efficient than if knowledge of the particle...
8299449 Apparatus and method for environmental monitoring  
Apparatus (1) for environmental monitoring, allowing to determine the mass concentration of air-dispersed particulate matter by operating or spy filters (F1-F6), comprising a beta radiation...
8289178 Electro/optical smoke analyzer  
A system for analyzing smoke has a plurality of units, wherein each unit includes an optical emitter for alternately directing horizontally and vertically polarized light along a beam path, and...
8171777 Systems, storage mediums, and methods for identifying particles in flow  
Methods, storage mediums, and systems for correlating pulses generated from multiple interrogation regions in a flow cytometer to particular particles flowing through the flow cytometer are...
8055471 Method of discriminating particle groups and particle analyzer  
A method for discriminating particle groups comprises generating, by a particle analyzer, a particle characteristic distribution histogram in which the abscissa indicates respective channels for...
7977660 Article, device, and method  
An article includes a substrate assembly for use in a detector system. The substrate assembly includes a substrate; a sample reception structure secured to the substrate; a test window extending...
7968860 System and method for measurement of degree of moisture stratification in a paper or board  
A measurement system for measuring a degree of moisture stratification in a flat sheet product, such as paper, board or other materials. The system uses a combination of a reflection gauge and a...
7879619 Apparatus for detecting one or more substances and method of detecting a substance  
An apparatus for detecting one or more substances includes a radiation source emitting a beam of radiation and also includes a material capable of reflecting the beam of radiation with a first...
7863568 Photosensitive sensor in the automotive field  
A sensor that is photosensitive vis-à-vis at least part of the radiation in the visible range and/or in the near infrared range installed on a vehicle, the sensor being associated with an...
7821636 Method and apparatus for measuring a position of a particle in a flow  
Aerosol and hydrosol particle detection systems without knowledge of a location and velocity of a particle passing through a volume of space, are less efficient than if knowledge of the particle...
7658884 Photometric method and apparatus for measuring a liquid's turbidity, fluorescence, phosphorescence and/or absorption coefficient  
The apparatus for deriving at least one property like turbidity or fluorescence of a sample liquid from measuring emitted light emitted from said sample liquid upon irradiation of said sample...
7586114 Optical cavity system having an orthogonal input  
An optical system having a closed loop light path with a source for providing light in a direction parallel to the normal of an input to the light path. The light may be provided via a refracting...
7493219 Method of discriminating particle groups and particle analyzer  
A method for discriminating particle groups comprises generating, by a particle analyzer, a particle characteristic distribution histogram in which the abscissa indicates respective channels for...
7468523 Raindrop detection apparatus having lens unit larger than radius of reflected light  
A raindrop detection apparatus includes a light emitting unit for emitting light to an inner side of a windshield, a light receiving unit for receiving the light reflected by an outer surface of...
7375348 Micro UV detector  
A biological aerosol detector is provided. The biological aerosol detector uses a semiconductor optical source with an ultraviolet emission band to excite biological molecules in an aerosol...
7365303 Optical sensor device to be installed on board a motor-vehicle for aid in driving and/or for automatic activation of systems provided on the motor-vehicle  
An optical sensor device that can be installed on board a motor vehicle for aid to driving and/or for automatic activation of one or more on-board systems according to the environmental conditions...
7259384 Fluid level optical detector with float having opaque and transmissive portions  
Systems and methods for fluid level detection are disclosed. In one embodiment, a sensor assembly includes at least one optical fiber adapted to at least one of transmit and receive an optical...
7221288 Method and apparatus for using optical signal time-of-flight information to facilitate obstacle detection  
One or more optical signals (wherein at least some of a plurality of optical signals are at different angles of travel with respect to one another and are directed towards an area comprising a...
7167099 Compact particle sensor  
A compact particle sensor for detecting suspended particles includes a housing, a light source, a light receiver and a plurality of optical elements. The housing provides a test chamber and...
6921899 Gas cell with reflected light bundles  
The invention relates to a gas cell (2′) that includes a cavity (20) for a chosen gas volume, a light source (30), and one or more light bundle receiving units or detectors (21, 22, 23, 24, 25)....
6803594 Measuring system for optically determining concentration of turbid liquid samples  
Optical measuring system for determining the concentration, particularly of turbid liquid samples, comprising a measuring volume for taking up the liquid samples to be measured, a plurality of...
6801875 Methods, systems, and software for performing measurements  
Methods of measuring widths of illumination spots and distances between two points, and predicting detected signal widths are provided. Systems, software, and kits for performing the methods of...
6600559 On-line method for detecting particle size during a milling process  
An on-line method for detecting particle size of a liquid during a process in which there is not a correlation between low absorbance with small particle size, the method comprises the steps of...
6509567 Method and apparatus for detecting gases  
The apparatus for detecting the presence of a particular gas within a mixture of gases comprises first and second emitter means for emitting measurement and reference electromagnetic radiation...
6480276 Enhanced photon-migration methods for particle sizing in concentrated suspensions  
A method and apparatus for determining particle size distribution in undiluted suspensions using spectral measurements of transport-scattering co-efficients using continuous photon-migration...
6411383 Method for measuring the 2nd virial coefficient  
A method is described to determine the 2nd virial coefficient of an ensemble of molecules dissolved in a selected solvent. Two distinct classes are described: monodisperse and polydisperse...
6404494 Measurement of the lidar ratio for atmospheric aerosols using a 180 degree-backscatter nephelometer  
An integrating nephelometer is modified to measure 180° backscattering from an aerosol. A laser is mounted outside a housing of the nephelometer and produces a coherent light beam that is directed...
6219138 Particle sizing technique  
The particle size within a given medium is determined using a single wavelength to confirm the known particles sizes within a dispersion, or determined from two wavelengths to calculate the...
6198110 Method and apparatus for the real-time characterization of particles suspended within a fluid medium  
This invention describes a method by which microparticles, typically in the size range from 0.3 μm to 100 μm, which are carried in a fluid suspension, may be rapidly detected and characterized....
6191853 Apparatus for measuring particle size distribution and method for analyzing particle size distribution  
An apparatus and method for measuring a particle size distribution comprising a light source directing a laser light to particles which are dispersed into a solvent and which exhibit Brownian...
6181419 Method and apparatus for applying laser induced incandescence for the determination of particulate measurements  
The present invention relates to a method and apparatus for applying laser induced incandescence (LII) to determine a primary particle size of submicron sized particles. The present invention has...
6154277 Absolute intensity measurements in laser induced incandescence  
The invention relates to a method and an apparatus for the determination of particle volume fractions with laser induced incandescence (LII) using absolute light intensity measurements. This...
6084519 Multi-function light sensor for vehicle  
An apparatus and method for controlling the operation of the windshield wipers of a vehicle in response to the deposition of water on the exterior of the windshield; the operation of the air...
6023070 System and method to monitor for fouling  
A system and a method for monitoring fouling in a fluid stream are provided. A light source generates a light path directed to two distinct portions of a fluid stream, one of which includes a...
5977546 Self normalizing radiant energy monitor and apparatus for gain independent material quantity measurements  
Method and apparatus for measuring the quantity of sample materials which provides stable measurements for extended periods of time. A source beam containing measuring radiation and reference...
5953145 Multiple light path arrangement  
The present invention relates to an arrangement for a multiple light path, which may be used for a wireless optical audio and/or video communication system.Known systems use a direct wireless...
5831730 Method for monitoring particulates using beam-steered solid-state light source  
An improved method of monitoring particulates in stacks or ducts utilizes transmissometer/particulate monitor of the type which has an optical assembly containing a solid state light source of...
5827660 Caged fluorochrome-labeled probes and subtraction of autoflourescence background  
Disclosed are methods for removing autofluorescence background from microscopic images or from flow cytometer measurements. The microscopic images can be fluorescent in situ hybridization images...
5822071 Spectrometer normalization system  
A system for normalizing measurements obtained from spectrometers to correct for measurement biases in individual spectrometers. The normalization system is adapted for use in spectrometers having...
5796481 Suspended particle concentration monitor  
A suspended particle concentration monitor includes near and far detector circuits with near and far elements sensing scattered visible or near infrared radiation projected into a fluid volume in...
5781305 Fiber optic transmissometer  
A transmissometer for measuring a volume attenuation coefficient of a column of water, including a transmissometer housing; a light source, producing an optical light beam; a Y-splitter, splitting...
5757481 Method for testing a turbidity sensor  
A method is provided to test turbidity sensors using a solid block that is particularly formulated to have a predetermined turbidity value. The solid block, which is partially transparent, is made...
5691701 Fluid or vapor diagnostic device  
A device is provided which passes light of preselected wavelengths through a fluid, gas or vapor to be tested. The light is detected after it has passed through the fluid, gas or vapor. Upon...
5680111 Dual sensor air-in-line detector  
A device for the reliable detection of air or air bubbles in transparent or translucent tubing carrying a fluid which includes a transmitter element for transmitting a light beam to the fluid...
5610713 Device for measuring the optical range of optical and electronics systems  
The present invention is directed to an optical range measurement device which is able to compensate for lens contamination. The optical range measurement device includes one or more windows...

Matches 1 - 50 out of 227 1 2 3 4 5 >