Entries |
Document | Title | Date |
20080204754 | Device For Reconfigurable Processing Optical Beams - A device for optical processing of at least one main optical beam, including an optical transforming module contributing towards optical transformation of the main optical beam input in the processing device, formed of a plurality of discrete elements in one plane. An upstream spatial configuration module upstream of the optical transforming mode includes an optical pathway through which the main optical beam travels, this pathway includes one or more mobile optical deflection elements causing the main optical beam to take up potential spatial positions in the plane of the optical transforming module, these potential spatial positions coinciding with those of the discrete elements, the optical transforming module being static. Such a device may find application to telecommunications, chemistry, or biology. | 08-28-2008 |
20080252890 | Target Substance Sensor and Method Thereof Using a Photonic Crystal - A highly sensitive and compactible target substance sensor for detection of the target substance using a photonic crystal and a method thereof are provided. | 10-16-2008 |
20080266565 | Device and method for measuring ink levels in a container - An ink level sensing device and associated method. The ink level sensing device includes a near infrared illumination source that emits near infrared light, and a container configured to accommodate a supply of ink containing light absorption material. The device further includes a protruding chamber adjacent to the container. The protruding chamber is configured to accommodate a portion of the supply of ink accommodated by the container. The device also includes a sensor that is configured to receive a signal based on an amount of the light that passes through the protruding chamber. The method includes emitting a light from a near infrared illumination source and directing the light toward a protruding chamber of the ink supply. The method further includes sensing an amount of the light that passes through the protruding chamber in the ink supply. | 10-30-2008 |
20080266566 | Device and method for measuring at least one parameter of particles in a fluid - A device and a method for measuring at least one parameter of particles in a fluid, the device having a radiation source and a radiation sensor, the device having a fluid region that is in contact with the fluid; the radiation source being provided for the emission of measuring radiation according to a first direction onto the fluid region, the radiation sensor being provided for the detection of a measuring radiation reflected away from the fluid region in a second direction; furthermore, the radiation sensor having a plurality of sensor elements; and the spectral sensitivity of different sensor elements being developed differently for a wavelength-sensitive detection of the reflected measuring radiation. | 10-30-2008 |
20080273204 | Apparatus and Method for Measuring the Spectral Properties of a Fluid - An apparatus and method for measuring the spectral properties of a paint, dye, enamel or other opaque fluid, both in transmission and reflection, wherein a lock-in amplifier ( | 11-06-2008 |
20090009768 | Optical Ph Sensor - An optical sensor for pH is described using a cross-linked network of bisilanes to immobilize a pH sensitive chromophore to a surface potentially exposed to a high pressure, high temperature environment such as wellbore effluents at a downhole location. | 01-08-2009 |
20090027676 | MEASUREMENT OF THE ABSORPTION COEFFICIENT OF LIGHT ABSORBING LIQUIDS AND THEIR USE FOR QUANTITATIVE IMAGING OF SURFACE TOPOGRAPHY - An optical measurement system for obtaining information such as the absorption coefficient of a light-absorbing liquid, or a surface profile of an object immersed in a light-absorbing liquid having a known absorption coefficient. The system includes a light source that transmits light through the liquid, a detector that records an image of the light transmitted through the sample and a processor or other means adapted to analyze the intensity distribution found on the image to generate information about the sample. | 01-29-2009 |
20090059233 | MICROFIBER PHOTONIC DEVICES IMMERSED IN A LIQUID MATERIAL - An electromagnetic device, including: a microfiber or other optical waveguide configured to guide an electromagnetic field output by an electromagnetic field source, the microfiber or other optical waveguide having a diameter that is less than or on an order of a wavelength of the electromagnetic field output by the electromagnetic field source; and a first optical material in contact with the microfiber or other optical waveguide, wherein at least a contact region of the microfiber or other optical waveguide and the first optical material is immersed in a liquid or cured dielectric that has an index of refraction less than the index of refraction of the microfiber or other optical waveguide. | 03-05-2009 |
20090116017 | OPTICAL DEVICE COMPONENTS - Embodiments of the invention relate to an internal reflection light funnel, including an internal reflection cone having a first diameter at an entrance end and a second diameter at an exit end, the first diameter being greater than the second diameter; and a light source embedded within the cone. The funnel has a half angle of less than about 25 degrees. | 05-07-2009 |
20090128818 | APPARATUS AND METHODS TO ANALYZE DOWNHOLE FLUIDS USING IONIZED FLUID SAMPLES - Apparatus and methods to analyze downhole fluids are described herein. A disclosed example method involves obtaining a sample of a downhole fluid, and depressurizing at least a portion of the sample. Additionally, a disclosed example method involves ionizing at least the portion of the sample, and analyzing the ionized portion of the sample to determine a parameter of the downhole fluid. | 05-21-2009 |
20090141279 | SENSOR DEVICE AND FOR DETERMINING A PHYSICAL VALUE - A sensor process and device are described for determining a physical value by means of a laser whose emission properties can be influenced by the physical value. The laser is designed to radiate at least two concurrent modes (E | 06-04-2009 |
20090141280 | METHOD AND APPARATUS FOR MONITORING GAS CONCENTRATION IN A FLUID - A monitor for monitoring gas concentration in an aerospace application is described, one such application being measuring the concentration of oxygen in or next to aviation fuel. The monitor comprises: a substance, the spectroscopic properties of which change when the substance is exposed to the gas; a light source, arranged to irradiate the substance with light; and a photosensor, arranged to detect light from the substance. The substance may be mounted on a solid substrate. | 06-04-2009 |
20090161107 | DEVICE FOR EXAMINING A FLUID BY UNIFORM ILLUMINATION USING A CONFIGURED LIGHT GUIDE - An optical device for examining a fluid including a measuring space including a compulsory passage for the fluid to be examined, at least one source delivering a selected light to an optical illuminator serving to collect at least part of the light having traversed the compulsory passage and to deliver the selected light to analyze the collected light so as to deliver signals representing data borne by the collected light. The optical illuminator includes a first light guide including one end, opposite the source, and configured to deliver the light, derived from the source, in accordance with a selected geometry to illuminate the compulsory passage in a substantially uniform manner and under a substantially constant intensity. | 06-25-2009 |
20090168065 | EXAMINING DEVICE AND EXAMINING METHOD - An examining device adapted to examining a transmittance of a display panel is provided. The examining device includes a light source, a first polarizer, a photodetector, a second polarizer, at least one first reflector and at least one second reflector. The light source and the photodetector are respectively disposed on both sides of the display panel. The second polarizer is disposed between the display panel and the photodetector. The first reflector is disposed between the display panel and the second polarizer. The second reflector is disposed between the display panel and the first polarizer. Light emitting from the light source successively passes via the first polarizer, the display panel, the first reflector, the display panel, the second reflector, the display panel, the second polarizer and then emits into the photodetector. | 07-02-2009 |
20090185187 | Fiber optic probe and related apparatus, systems and methods for making optics-based measurements of liquid samples - A fiber-optic probe includes first and second optical fibers disposed in a body, a liquid sampling region between ends of the fibers and a reflector, and apertures communicating with the sampling region. The probe may be inserted in media in a vessel. Optical signals are transmitted through the first fiber, the sampling region and second fiber. The sampling region is offset from other parts of the probe so that bubbles or particulates flow out from the sampling region without being obstructed by the probe. | 07-23-2009 |
20090268203 | SPECTROSCOPIC METHOD OF DETERMINING THE AMOUNT OF AN ANALYTE IN A MIXTURE OF ANALYTES - The invention relates to a multivariate calibration which can be used when the optical system used for that method does not comprise a multi-channel detector such as a CCD sensor or a line array of photodiodes. An optical system without a multi-channel detector doesn't allow to carry out preprocessing steps. Thus there is the need to carry out these preprocessing steps in another way. It is suggested to partially replace the preprocessing step by a measurement of the optical signal, whereby the measurement comprises transmitting or reflecting the optical signal by an optical element, thereby weighing the optical signal by a spectral weighing function. The advantage of the invention is to teach how such an optical system without a bulky and expensive CCD sensor can be used to carry out a multivariate calibration and preprocessing steps. | 10-29-2009 |
20100002234 | APPARATUS AND METHOD FOR RAPID AND ACCURATE QUANTIFICATION OF AN UNKNOWN, COMPLEX MIX - An apparatus and method for rapidly and accurately identifying and quantifying analytes in a complex mixture is disclosed. The apparatus comprises an ultra-sensitive cavity-enhanced spectrometer coupled to data-collection and analysis devices. The method comprises the use of a database containing the absorption cross-sections of various analytes to numerically determine the composition of the sample. | 01-07-2010 |
20100007888 | Multiple path length transmittance measuring device - A device to measure the amount of light able to transmit through a test liquid sample. A single lamp is used to illuminate a liquid sample cell containing the test water. A light detector is fixed relative to the lamp and is used to detect the amount of light from the lamp able to transmit through the liquid sample cell. The liquid sample cell is shaped in such a way as to provide at least two sets of opposed side walls that are able to transmit the light emitted from the lamp, where each set of opposed side walls defines a different path length through the liquid sample in the liquid sample cell. A rotation mechanism is used to provide relative rotation between the liquid sample cell and the lamp/light detector assembly. A microprocessor connected to the light detector calculates the light transmitted through at least two different path lengths through the liquid sample. Using these calculated transmittances the microprocessor then calculates the overall transmittance of the test water. | 01-14-2010 |
20100007889 | SAMPLE CONCENTRATION DETECTOR WITH TEMPERATURE COMPENSATION - A sample sensor ( | 01-14-2010 |
20100014085 | Method for Automatically Discriminating Control Solution - The present invention relates to a method for automatically discriminating a control solution from a sample in a measurement system for measuring a target ingredient in the sample by using a measurement wavelength and a reference wavelength, wherein as the control solution, a control solution having a response value lower than a lower limit value (threshold) of a response value, such as absorbance, supposed when luminance of the sample is measured at the reference wavelength and having a response value higher than an upper limit value (threshold) of a response value supposed when luminance of the sample is measured at the detection wavelength for detecting whether the sample is supplied is used. | 01-21-2010 |
20100020325 | Fuel property detection apparatus - It is an object of the present invention to provide a fuel property detection apparatus that excels in durability and reliability and is capable of accurately detecting the biofuel concentration in a mixture of hydrocarbon fuel and biofuel with a compact and simple configuration. A fuel property sensor | 01-28-2010 |
20100027014 | THREE-DIMENSIONAL IMAGING USING ABSORPTION - The attenuation and other optical properties of a medium are exploited to measure a thickness of the medium between a sensor and a target surface. Disclosed herein are various mediums, arrangements of hardware, and processing techniques that can be used to capture these thickness measurements and obtain three-dimensional images of the target surface in a variety of imaging contexts. This includes general techniques for imaging interior/concave surfaces as well as exterior/convex surfaces, as well as specific adaptations of these techniques to imaging ear canals, human dentition, and so forth. | 02-04-2010 |
20100045993 | METHOD OF DETECTING ANALYTE - A system and method is provided for detecting concentration of an analyte in a fluid. The method comprises detecting an optical property of a first region of two or more regions in a system, the first region located in a container having a reservoir for one or more modifiers of one or more optical properties of the first region. The movement of the one or more modifiers is responsive to changes in concentration of the analyte. A next step detects an optical property of a second region of the two or more regions in the system, the second region located in a container having a reservoir for one or more modifiers of one or more optical properties of the second region. The movement of the one or more modifiers is responsive to changes in concentration of a compound, where the compound is something other than the analyte. The detected optical property of the first region and the detected optical property of the second region are used in embodiments to separate the effect of the analyte on the detected optical property of the first region from the effect of the compound, where the compound is an interfering compound. | 02-25-2010 |
20100045994 | PHOTOMETRIC APPARATUS AND AUTOMATIC ANALYZER - A photometric apparatus and an automatic analyzer in which liquid samples contained in vessels are measured with light of different wavelengths while the vessels are transferred are provided. A photometric apparatus includes light sources that are arranged in the movement direction of a vessel and emit light of different wavelengths, light-receiving devices that are located opposing the light sources with the vessels interposed inbetween and receive light of different wavelengths emitted from the light sources. The arrangement length of light sources along the movement direction of the vessels is shorter than the arrangement pitch of the vessels. | 02-25-2010 |
20100053619 | MOLECULAR DETECTION SYSTEM - A molecular sensor ( | 03-04-2010 |
20100053620 | AUTOMATIC ANALYZER - An automatic analyzer including a light source device. The light source device includes a plurality of light sources that emit respective lights of different peak wavelengths, in which a wavelength range of one of the light emitted contains the peak wavelength of the other light emitted from the other light source; and a mixing unit that mixes the respective lights emitted from the light sources. The light source device outputs a light having a desired mixed peak wavelength that is different from the peak wavelengths. | 03-04-2010 |
20100079759 | Watertight connection system for combined electrical and fiber optic cables - A connector apparatus for use with combined electrical and fiber optic cables in wet or undersea conditions. The connector apparatus includes an outer threaded male connector portion connected to a first cable and a compatible female connector portion having a rotating internally threaded collar for engaging the outer male connector portion. The female connector portion includes conductor pins and a fiber-optic terminal pin and a fiber optic sensor ring. | 04-01-2010 |
20100091288 | METHOD AND APPARATUS FOR ESTIMATING A FLUID PROPERTY - Apparatus and method for estimating a fluid property include an optic member having a material within the optic member responsive to the fluid property. A detector is operably associated with the optic member that detects a change in the material, the change being indicative of the fluid property. | 04-15-2010 |
20100091289 | APPARATUS AND METHODS FOR ANALYZING SAMPLES - The present invention relates to apparatus, systems, and methods for analyzing biological samples. The apparatus, systems, and methods can involve using a vacuum source to pull microfluidic volumes through analytical equipment, such as flow cells and the like. Additionally, the invention involves using optical equipment in conjunction with the analytical equipment to analyze samples and control the operation thereof. | 04-15-2010 |
20100118307 | Droplet Actuator Devices, Configurations, and Methods for Improving Absorbance Detection - Devices, configurations and methods for improving absorbance detection are provided. For example, methods and devices are provided for determining the absorbance of a droplet, e.g., a droplet on a droplet actuator, by providing an elongated light path through the droplet. | 05-13-2010 |
20100141951 | DETECTION METHOD - The invention relates to an apparatus and method for the detection of the spectral absorption properties of a fluid in a microenvironment, the apparatus comprising a radiation source, a microfluidic device and detection means, wherein the apparatus additionally comprises means for increasing the path length of the radiation through the fluid. Preferably, the means for increasing the path length of the radiation through the fluid comprises two highly reflective mirrors which cause the base path length through the fluid to be increased by many orders of magnitude, and the method comprises Cavity Enhanced Absorption Spectroscopy. The method is especially useful for the handling of small volumes of fluids for chemical and biological processing. | 06-10-2010 |
20100149537 | IMPROVED SIGNAL PROCESSING FOR OPTICAL COMPUTING SYSTEM - The present subject matter relates to methods of high-speed analysis of product samples during production of the product. Light is directed to a portion of a product under analysis and reflected from or transmitted through the product toward optical detectors. Signals from the optical detectors are compared to determine characteristics of the product under analysis. Temperature within the monitoring system may be monitored in order to provide compensation for the signals produced by the optical detectors. The products under analysis may be stationary, moved by an inspection point by conveyor or other means, or may be contained within a container, the container including a window portion through which the product illuminating light may pass. | 06-17-2010 |
20100157302 | LIQUID FUEL PROPERTY DETECTION SYSTEM - A liquid fuel property detection apparatus includes a fuel passage, a light emitting device for emitting a light including a plurality of predetermined wavelengths toward the fuel in the passage, a light receiving device for receiving the light passing through the fuel, and a calculation unit for calculating the concentration of at least one of aroma, paraffin and olefin, which are hydrocarbon component components contained in the fuel. The calculation unit calculates the concentration of a specific component, which is one of aroma, paraffin and olefin, based on the reference transmittance of light in the specific component and the actual transmittance calculated from the amount of light emitted by the light emitting device and the amount of light received by the light receiving device with respect to each wavelength of the light. | 06-24-2010 |
20100157303 | LIQUID MEASUREMENT DEVICE - The liquid measurement device has a housing portion for housing a sensor chip having: an outer package, a reaction chamber that is disposed inside the outer package, a first induction path that introduces a sample liquid to the reaction chamber, a second induction path that is connected to the reaction chamber, and a cavity portion that is connected to the second induction path; a piston constituting a pressure reduction portion for reducing pressure inside the sensor chip; and a light source and a light receiving portion that serve as a measurement portion for measuring characteristics of the sample liquid. | 06-24-2010 |
20100165345 | MICROELECTRONIC SENSOR DEVICE WITH A MODULATED LIGHT SOURCE - The invention relates to a microelectronic sensor device and a method for making optical examinations at a carrier ( | 07-01-2010 |
20100182605 | OPTICAL FLUID DETECTOR - A fluid detector and a method of detecting a fluid are described. The fluid detector includes a broadband light source ( | 07-22-2010 |
20100225916 | Liquid Immersion Type Absorbance Sensor Element and Absorption Spectrometer Using Same - An absorptiometer is provided which can be used in a state where it is immersed in a liquid to be measured without using an absorbance-measuring cell, and which is insusceptible to disturbance light. The absorptiometer is constructed of a sensor unit ( | 09-09-2010 |
20100231913 | METHOD FOR OPTICAL MEASUREMENT AND OPTICAL MEASUREMENT APPARATUS - An optical measurement apparatus can be provided, in which the sample is optically measured without loss of the illuminating light with high sensitivity. A glass plate as the transparent member | 09-16-2010 |
20100238444 | METHODS AND APPARATUS FOR ANALYZING SAMPLES AND COLLECTING SAMPLE FRACTIONS - Methods and apparatus for analyzing a sample using at least one detector are disclosed. | 09-23-2010 |
20100238445 | METHOD AND APPARATUS FOR DETERMINING VOLUME FRACTIONS IN A MULTIPHASE FLOW - A method, apparatus and computer program product for measuring a composition of a multiphase fluid, including radiating a photon beam through the multiphase fluid and measuring radiation absorption by the multiphase fluid for at least three energy levels to obtain measured radiation absorption data, and providing the measured radiation absorption data to processing unit configured to calculate the composition of the multiphase fluid using the measured radiation absorption data, whereby an effect of an injected fluid on the absorption of the photon beam is taken into account during calculation of the composition of the multiphase fluid. | 09-23-2010 |
20100290049 | OPTOFLUIDIC MICROSCOPE DEVICE - An optofluidic microscope device is disclosed. The device includes a fluid channel having a surface and an object such as a bacterium or virus may flow through the fluid channel. Light imaging elements in the bottom of the fluid channel may be used to image the object. | 11-18-2010 |
20100296094 | OPTOFLUIDIC MICROSCOPE DEVICE - An optofluidic microscope device is disclosed. The device includes a fluid channel having a surface and an object such as a bacterium or virus may flow through the fluid channel. Light transmissive regions of different sizes may be used to image the object. | 11-25-2010 |
20100296095 | OPTICAL CAVITY ENHANCED TURBIDIMETER AND TURBIDITY MEASURING METHOD - Provided are an optical cavity enhanced turbidimeter and a turbidity measure method. After casting a pulse beam or a beam having a steep intensity gradient into an optical cavity, the turbidity of the inside region of the optical cavity can be calculated using an attenuation rate of an output beam from the optical cavity. | 11-25-2010 |
20100302545 | PARTICULATE DETECTOR SYSTEM - A particulate detector system is provided that can sense particulates (such as smoke in the air). The system employs a reflected light system that generally avoids making measurements of light intensity. Instead, coded signals are compared with one another to determine error rates between emitted light and detected light (across a chamber). Based on the error rate, processing circuitry can determine particulate concentration. | 12-02-2010 |
20100328669 | TABLET ANALYSIS AND MEASURMENT SYSTEM - The present subject matter relates to multivariate optical analysis systems employ multivariate optical elements and utilize multivariate optical computing methods to determine information about a product carried by light reflected from or transmitted through the product. An exemplary method of processing and monitoring the product includes introducing the product at an inspection point; illuminating the product with a spectral-specific light though an optic lens; directing the light that has passed through at least a section of the product through at least one multivariate optical element to produce a first signal, the directed light carrying information about the product; detecting the signal at a detector; and determining at least one property of the product based upon the detector output. | 12-30-2010 |
20110051140 | FULL-FLOW SENSOR FOR CONTAMINATION IN FLUIDS - A sensing system includes a housing having an inlet for receiving a fluid flow from a source and an outlet with for directing a fluid flow from the housing, wherein a longitudinal axis transverses a center of the inlet and the outlet; a flow conduit disposed in the housing and in fluid communication with the inlet and the outlet, the flow conduit having a cross-sectional area that is substantially the same as a cross-sectional area of the inlet and the outlet, wherein a first length of the flow conduit along a second axis, and wherein the first axis and the second axis are perpendicular to the longitudinal axis; a light source for illuminating the fluid in the flow conduit along the first axis; and a sensor for detecting contaminants in the fluid. | 03-03-2011 |
20110102796 | Method and system for detecting the level of anesthesia agent in an anesthesia vaporizer - A method of detecting a level of anesthesia agent in an anesthesia vaporizer is disclosed. The anesthesia 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 beam of light after the beam of light has traveled through the column of liquid, and detects when the level of anesthesia agent drops below a predetermined level. | 05-05-2011 |
20110149286 | LIQUID CORE WAVEGUIDE ASSEMBLY AND DETECTING SYSTEM INCLUDING THE SAME - A liquid core waveguide assembly includes: a waveguide-forming body formed with a waveguide channel and first and second fiber channels, transparent first and second partition walls, and a liquid inlet in fluid communication with the waveguide channel, the waveguide channel having a first end spaced apart from the first fiber channel by the first partition wall, and a second end spaced apart from the second fiber channel by the second partition wall; and at least one first optical fiber and at least one second optical fiber extending into the first and second fiber channels, respectively. A detecting system including the liquid core waveguide assembly is also disclosed. | 06-23-2011 |
20110176136 | LIQUID DENSITOMETER - The concentration of a liquid in a liquid supply tube, which is supplied with the liquid, is stably measured from the outside of the liquid supply tube. A liquid component concentration meter is provided with a liquid supply tube ( | 07-21-2011 |
20110181884 | OPTOFLUIDIC MICROSCOPE DEVICE WITH PHOTOSENSOR ARRAY - Embodiments of the present invention relate to techniques for improving optofluidic microscope (OFM) devices. One technique which may be used eliminates the aperture layer covering the light detector layer. Other techniques retain the aperture layer, reversing the relative position of the light source and light detector such that light passes through the aperture layer before passing through the fluid channel to the light detector. Another technique adds an optical tweezer for controlling the movement of objects moving through the fluid channel. Another technique adds an optical fiber bundle to relay light from light transmissive regions to a remote light detector. Another technique adds two electrodes at ends of the fluid channel to generate an electrical field capable of moving objects through the fluid channel while suppressing rotation. These techniques can be employed separately or in combination to improve the capabilities of OFM devices. | 07-28-2011 |
20110228274 | Ozone Concentration Sensor - An apparatus and method provide measurement of a constituent of a fluid, such as ozone in ozonated water. The apparatus includes a vessel to contain the fluid, a light source configured to direct a first band of light and a second band of light along a substantially shared path though the fluid, and a photosensor that senses the first band of light and the second band of light. The constituent has a greater absorption associated with the first band of light than with the second band of light. The method includes modification of a measured attribute of the component in response to the sensed second band of light to improve the accuracy of the measured attribute. | 09-22-2011 |
20110249265 | OPTICAL REAGENT FORMAT FOR SMALL SAMPLE VOLUMES - An optical waveguiding optical format enables consistent optical analysis of small sample volumes with minimal variation in light path length among optical formats. The optical format is comprised of an input guide, an output guide, and a sample cavity adapted to allow light to pass through a sample on its way from the input guide to the output guide. A lid removed from the light pathway within the format may be provided with a reagent for assisting fluid analysis. | 10-13-2011 |
20110299085 | Rapid Tissue Analysis Technique - A tissue measurement device can provide for rapid, robust analysis of large volumes of plant tissue samples in the field. The tissue measurement device measures tissue samples in a liquid state. The tissue measurement device uses a spectrometer to determine an absorbance spectrum over a range of wavelengths. The absorbance spectrum provides information about the properties of the tissue sample. Tissue samples may be mixed with various extractants or reagents to further improve the accuracy of measurements or allow measurement of a wider variety of nutrients or properties. The tissue measurement device may also take calibration measurements to improve the measurement of tissue sample properties. | 12-08-2011 |
20110310390 | Methods and Apparatus for Analyzing Samples and Collecting Sample Fractions - Methods and apparatus for analyzing a sample using at least one detector are disclosed. | 12-22-2011 |
20120062894 | Monitoring apparatus, as well as monitoring method for monitoring a state of wear of a component for a reciprocating piston internal combustion engine - The invention relates to a measurement device ( | 03-15-2012 |
20120081709 | HIGH SPEED FLUID SWITCH - A high speed fluid switch is used to separate desired particles from a source stream containing particles, such as cells. A droplet generator creates and regulates a stream of droplets, which intersects with a source stream containing the particles to be sorted. The stream of droplets can be regulated such that portions of the source stream containing desired particles are deflected into a collection vessel, or such that portions of the source stream containing desired particles are permitted to pass uninterrupted. The high speed fluid switch may be implemented on a microfluidic chip. | 04-05-2012 |
20120086942 | OIL STATE MONITORING METHOD AND OIL STATE MONITORING DEVICE - Disclosed are an oil state monitoring method and an oil state monitoring device which monitor the state of degradation of oil used in machinery or equipment. In monitoring the oil state by the oil state monitoring method and by the oil state monitoring device, oil used in machinery or equipment is filtered when the degradation state of the aforementioned oil is to be monitored. By means of filtration, the oil content is removed from the filter which captured contaminants that were present in oil prior to filtration. Light is projected onto the filter from which oil was removed. The projected light detects the color components of the transmitted light which penetrated the aforementioned filter. | 04-12-2012 |
20120127469 | FLOW CELL, DETECTOR, AND LIQUID CHROMATOGRAPH - In a liquid chromatograph, a flow cell, in which a direction of detecting light and a flow direction of a sample fluid are parallel to each other, and in which the flow direction of the sample fluid changes at the moment of the sample fluid flowing out of a detecting portion into an outflow channel and at the moment of the sample fluid flowing into the detecting portion from an inflow channel, is capable of suppressing a peak broadening of a chromatogram. A plurality of outflow channels are provided, which shorten a distance between a flow outlet and a flow bend in the sample flow. A plurality of inflow channels are also provided, some of which collide jets flowing into the detecting portion from the inflow channels and others of which produce a swirl of jets flowing into the detecting portion from the inflow channels. | 05-24-2012 |
20120147374 | DEVICE FOR QUANTITATIVE ANALYSIS OF MICRO-VOLUME SOLUTION - Provided herein is a device for quantitative analysis of a micro-volume solution. The device comprises a base portion provided with a light-emitting fiber, a movable arm provided with a light-receiving fiber, and at least one positioning block disposed between the movable arm and the base portion so that an optical path with a constant length is formed between the light-emitting fiber and the light-receiving fiber when the positioning block is clamped by the movable arm and the base portion. The solution concentration related to the absorbance with respect to the standard optical path length may be evaluated based on the built-in database and the optical intensity of light having passed through the solution as detected by a light sensor. | 06-14-2012 |
20120162652 | Optical sensor, in particular for installation in a household washing machine or dishwasher - An optical sensor to measure the turbidity of wash water in a household washing machine or dishwasher, includes a housing having a housing interior containing a measurement module having a light-emitting element and a light-receiving element, the measurement module defining a measurement light path which extends from the light-emitting element to the light-receiving element and passes outside the housing over a part of its path length. The light-emitting element and the light-receiving element are arranged together in a first subspace of the housing interior, and the measurement light path extends over a part of its path length through at least one second subspace of the housing interior, which is sealed from the first subspace. All the electrical/electronic components of the measurement module are fitted in the first subspace, so that any ingress of wash water into the second subspace does not compromise the electrical functionality of the sensor. | 06-28-2012 |
20120162654 | WATER-IN-FUEL SENSOR - An uncoated polymer optical fibre (POF) that is sensitive to a chemical (e.g. water) and is used to generate a detectable change in its optical properties for the purpose of detecting that chemical when it is dissolved in liquid fuel. The presence of the chemical directly affects the optical properties of the optical fibre. The POF may be made of water-permeable plastic material and may have a grating section comprising a periodic refractive index modulation that exhibits a characteristic reflection or transmission profile to be monitored by a detector. The water-permeability of the constituent material of the POF permits diffusion of water into the fibre, thereby affecting its refractive index or geometry and hence altering the characteristic reflection or transmission profile of the grating section. | 06-28-2012 |
20120170042 | SENSING SYSTEM FOR SENSING A SUBSTANCE IN A FLUID - The invention relates to a sensing system for sensing a substance in a fluid. The sensing system comprises a sensing site ( | 07-05-2012 |
20120182554 | IN-LINE FLOW METER - A device for measuring flow is provided. Tubing having a polymer therein is activated, followed by downstream detection of agents released by the polymer. The downstream detection of the agents provides for a calculation of the flow to be performed. | 07-19-2012 |
20120200857 | FLUID STREAM IMAGING APPARATUS - A fluid stream imaging apparatus having either optics for manipulating the aspect ratio or sensing elements configured for manipulating the aspect ratio of an image of the fluid stream. This application may also relate to a system for acquiring images of a portion of a fluid stream at high speeds for image processing to measure and predict droplet delays for individual forming particles. | 08-09-2012 |
20120229810 | METHOD FOR CONTROLLING A PHOTOMETRIC MEASURING UNIT OF A MEASURING DEVICE FOR OBTAINING AND EXAMINING A BODILY FLUID SAMPLE AND MEASURING SYSTEM - There is disclosed a method for controlling a photometric measuring unit of a measuring device for a bodily fluid sample, wherein a test field partially wetted by a bodily fluid sample is illuminated and light from a measuring area that covers a portion of the test field of the measuring unit is fed to a detector of the measuring unit, and the measuring area is displaced relative to the test field toward a partial surface wetted by the fluid sample and past the partial surface. The intensity of a detector signal is detected during the displacement, an extreme value in the course of the detector signal is determined, the measuring area is brought back to the position in which an extreme detector signal was previously measured, and the position of the measuring area in which the detector signal is extreme is used for a photometric determination of concentration. | 09-13-2012 |
20120257201 | VALIDATION METHOD FOR AUTOMATED ANALYZERS - Method for validating the accuracy of automated analyzers by performing an improved dye method procedure that uses at least first and second dye solutions in combination with gravimetric measurement of selected test solutions. | 10-11-2012 |
20120262718 | DETECTION DEVICE - A detection device includes a flow channel for a fluid sample, a suction section adapted to draw the fluid sample into the flow channel, an optical device disposed in the flow channel, a light source adapted to irradiate the optical device with light, a light detection section adapted to detect light emitted from the optical device, a microbalance sensor chip having a piezoelectric substrate provided with an oscillation electrode, and disposed in the flow channel, and a quantitative analysis section adapted to perform quantitative analysis on the fluid sample based on output from the light detection section and the microbalance sensor chip. The optical device has a metal nanostructure including projections ranging in size from 1 through 1000 nm, and emits light representing the fluid sample adsorbed to the metal nanostructure. | 10-18-2012 |
20120281219 | METHOD AND DEVICE FOR ANALYZING A BODY FLUID - Methods and devices for analyzing body fluids, in particular for determining blood glucose. Body fluid is applied to a test element for single-use in a test device and the test element is optically coupled to a photometric measuring unit by means of an optical transmission system, wherein a time course of measuring values is recorded after the body fluid has been applied in order to detect a component of the body fluid on the test element. The transmission behavior of the optical transmission system may be controlled by recording measuring values at two different measurement wavelengths. | 11-08-2012 |
20120314217 | FLUID SENSOR - A slit for selectively allowing the transmission of emitted light from a light-emitting portion that has been diffracted through passing through a pipe wherein there is no fluid is provided on the slit side of the pipe, between a slit of the light-emitting portion and a slit of a detecting portion. The emitted light from the light-emitting portion, which is diffracted by passing through the pipe wherein there is a fluid, is blocked by the plate member wherein the slit is formed, so as to not arrive at the detecting portion. | 12-13-2012 |
20130038878 | OPTICAL MEASUREMENT APPARATUS AND CHIP LIFETIME JUDGMENT METHOD - An optical measurement apparatus including a light irradiation portion configured to irradiate light onto a sample flowing through a flow path in a detachable chip; a light detection portion configured to detect optical information emitted from the sample when irradiated with the light by the light irradiation portion; and a judgment portion configured to judge an exchange period of the chip based on the optical information detected by the light detection portion. | 02-14-2013 |
20130100450 | APPARATUS FOR DETERMINING OPTICAL DENSITY OF LIQUID SAMPLE AND OPTICAL WAVEGUIDE THEREOF - The present invention provides an optical waveguide, comprising: an input end for receiving a divergent beam; an output end for outputting an illuminating beam; a longitudinal cavity extending from the input end till the output end; a first pinhole located at a first predetermined distance from the input end within the said longitudinal cavity for receiving the divergent beam and for generating a fringe pattern, said first pinhole bifurcating the longitudinal cavity into a first and a second light propagating regions, the longitudinal cavity forming the first light propagating region being provided with a reflective coating on its internal surface to enable internal reflection of the divergent beam; and a second pinhole located at the output end for receiving the fringe pattern thus generated by the first pinhole and for outputting the illuminating beam corresponding to a central bright fringe contained in the said fringe pattern via the output end. | 04-25-2013 |
20130107264 | PROCESS FOR THE SELECTIVE DETERMINATION OF OIL MIST OR AEROSOLS | 05-02-2013 |
20130114084 | Liquid Consumption Apparatus - A liquid consumption apparatus includes a detection portion in which a light emitting portion and a light receiving portion are arranged, a liquid container that houses a liquid and in which a prism having a cavity is disposed, a carriage with respect to which the liquid container is attachable and detachable, and in which an opening is provided in a position that opposes the prism, and a light shielding portion disposed in the opening in the carriage. When a driving portion moves the carriage in a direction in which the light emitting portion and the light receiving portion are arranged, noise light produced by the prism bottom surface or cavity portion is suppressed, as a result of the light shielding portion blocking part of irradiated light. | 05-09-2013 |
20130141726 | SENSING DEVICE FOR DETECTING A SUBSTANCE IN A FLUID - The invention relates to a sensing device ( | 06-06-2013 |
20130194575 | Apparatus and methods to measure optical density - The present invention provides apparatus and methods for measuring the optical density of a fluid by measuring the light transmission through a reconfigurable optical path. The optical path is reconfigured by the deflection of an elastic membrane wherein the optical path length through the fluid is determined by the position of the membrane relative to a fixed surface. The optical density can be determined from two measurements with different optical path lengths through the fluid. | 08-01-2013 |
20130194576 | OPTICAL PROBE FOR MEASURING ABSORPTION AT A PLURALITY OF WAVELENGTHS - The invention relates to an optical probe including:
| 08-01-2013 |
20130215426 | METHOD AND APPARATUS FOR ANALYTE DETECTION - A photo-spectroscopic analytic device is given for detecting analytes in a sample. The analyte may be microbial pathogen, a food sample, a sample of a body fluid, water, or a combination thereof. The device comprises an electromagnetic radiation (EMR) source in operative communication with one or more optic inputs, one or more receptors for receiving one or more sample holders, each receptor comprising one or more of the optic inputs which are operatively coupled to one or more optic outputs thereby forming an optic input-optic output pair. Each of the receptors may comprise different cross-sectional profiles corresponding to cross-sectional profiles of the sample holders. | 08-22-2013 |
20130229657 | DENSITOMETER FOR MEASURING AN OPTICAL CHARACTERISTIC OF A FLUID - A device and method for measuring an optical characteristic of a fluid. The device, typically a densitometer includes a set of optical elements that include a light source, a collimating lens, a focusing lens, and a receiver, wherein a gap exists between the collimating lens and the focusing lens so as to allow the fluid to pass in between the lenses, and wherein at least one of the optical elements is tilted with respect to an optical axis. | 09-05-2013 |
20130250303 | SPEED REDUCER FOR INDUSTRIAL ROBOT - A speed reducer for an industrial robot includes a speed reducer main body and a lubricant deterioration sensor for detecting deterioration of a lubricant in the speed reducer main body. The lubricant deterioration sensor includes a light emitting element for emitting light, a color light receiving element for detecting a color of received light, a clearance forming member forming an oil clearance in which the lubricant enters, and a support member supporting the light emitting element, the color light receiving element, and the clearance forming member. The clearance forming member is transmissive so that the light emitted from the light emitting element transmits therethrough. The oil clearance is provided on an optical path from the light emitting element to the color light receiving element | 09-26-2013 |
20140063503 | ETCHING TIME DETECTION MEANS AND METHOD FOR ETCHING DEVICE - An etching time detection means and an etching time detection method for an etching device. The detection means comprises: a light wave emitter fixed on one substrate of the etching device, a light wave receiver fixed on another substrate and opposed to the light wave emitter, a detection system communicated with the light wave emitter and the light wave receiver for receiving light intensity signals and calculating etching time. With the detection means and the detection method, the automatical detection of etching time can be achieved and the deviation caused by visual observation can be effectively avoided. | 03-06-2014 |
20140071452 | FLUID CHANNELS FOR COMPUTATIONAL IMAGING IN OPTOFLUIDIC MICROSCOPES - A microscope is disclosed, the microscope having a light source defining an optical axis along a Z direction and a detector disposed in X-Y direction, orthogonal to the optical axis, the detector configured to capture images of an object. The microscope includes a fluid channel having an inlet and an outlet configured with a fluid flow to transport the object from the inlet to the outlet. The detector is configured to capture a plurality of images of the object as the object moves from the inlet to the outlet. The plurality of images of the object may have different heights of the sample with respect to the detector as the sample flows through the channel. The channel may be tilted with respect to the optical axis. The detector may be tilted with respect to the optical axis. | 03-13-2014 |
20140071453 | TRANSFLEXION PROBE AND TRANSFLECTIVE SENSOR - The invention comprises a transflexion probe for carrying out a transflexion measurement on a liquid located in a vessel, comprising a probe shaft ( | 03-13-2014 |
20140240709 | ADVANCED MASS GAUGE SENSOR - An advanced mass gauge sensor is disclosed comprising a vessel having an interior surface which reflects radiant energy at wavelengths at least partially absorbed by a fluid or fluids contained within the vessel, an illuminating device or devices for introducing radiant energy at such wavelengths into the vessel interior, and detectors for measuring the energy per unit area of illumination within the vessel created by the radiant energy which is not absorbed by the fluid or fluids. | 08-28-2014 |
20140268156 | METHOD AND SYSTEM FOR DETERMINING BUBBLE POINT PRESSURE - Method and systems for determining bubble point pressure of a fluid sample are described herein. The method includes transmitting light through the fluid sample and detecting transmitted light. The method also includes applying a series of thermal pulses to the fluid sample. The series of thermal pulses includes a time interval between each thermal pulse. The pressure of the fluid sample is varied and the bubble point pressure of the fluid sample is determined using an intensity of the transmitted light that corresponds to a time interval between the thermal pulses. | 09-18-2014 |
20140327911 | Energy store system and state detection system including the energy store system - An energy store system, including at least one cell element situated in a cell region having an anode, a cathode and an electrolyte system that is situated between the anode and the cathode and that is particularly at least partially liquid, the anode, the cathode and/or the electrolyte system being configured so that, as a function of a charging or discharging process of the cell element, functioning material is situated in the electrolyte system, and the functional material situated in the electrolyte system being ascertainable qualitatively and/or quantitatively. Because of such an energy store system, operating states of an energy store or a cell may be ascertained particularly simply and accurately. Also described is a related state detection system. | 11-06-2014 |
20150029509 | SYSTEMS AND METHODS FOR ANALYZING A MULTIPHASE FLUID - A device is presented. The device includes an electromagnetic guiding device to provide electromagnetic radiation, a reflector that reflects a portion of the electromagnetic radiation to generate a reflected portion of the electromagnetic radiation, wherein the reflector is fully immersed in a multiphase fluid, and a processing subsystem that analyzes the multiphase fluid based upon at least a portion of the reflected portion of the electromagnetic radiation, wherein a principal optical axis of the electromagnetic guiding device substantially aligns with a principal optical axis of the reflector. | 01-29-2015 |
20150138557 | Image-Based Measurement of A Fluid - An imaging-based measurement apparatus includes a light source, and at least one optical element for positioning in a flow conduit, the at least one optical element being part of a light path for light emitted by the light source, where light along the light path passes through a portion of fluid flowing in the flow conduit. An image sensor detects the light and measures content of the portion of the fluid. | 05-21-2015 |
20150300944 | Pulse Width Modulation of Continuum Sources for Determination of Chemical Composition - A light source and a method for its use in an optical sensor are provided, the light source including a resistively heated element. The light source includes a power circuit configured to provide a pulse width modulated voltage to the resistively heated element, the pulse width modulated voltage including: a duty cycle with a first voltage; and a pulse period including a period with a second voltage, wherein: the duty cycle, the first voltage, and the pulse period are selected so that the resistively heated element is heated to a first temperature; and the first temperature is selected to emit black body radiation in a continuum spectral range. Also provided is an optical sensor for determining a chemical composition including a light source as above. | 10-22-2015 |
20150308952 | UREA CONCENTRATION SENSOR - A sensor to measure a liquid. The sensor may include a light source operably coupled to a lumen disposed in a liquid solution, the light source configured to emit light and communicate the light to the lumen; a light detector operably coupled to the lumen, the light detector configured to receive at least a portion of the light from the lumen; and a controller configured to determine a concentration or quality of the liquid solution based on the light emitted by the light source and the portion of light received by the light detector. | 10-29-2015 |
20150323447 | APPARATUS AND APPARATUS CONTROL METHOD FOR THE QUANTITATIVE CONCENTRATION DETERMINATION OF SELECTED SUBSTANCES FILTERED OUT OF A PATIENT'S BODY IN A FLUID - Methods and apparatus are disclosed for determining a substance in a fluid excreted/extracted from the body or spent dialysate, e.g., for determining a quality measure for the dialysis, such as the concentration of selected toxic substances, and/or for determining a removed total quantity of uremic toxins during a dialysis with a dialysis apparatus. A concentration of a substance in the fluid may be determined by: detecting, by an absorption sensor, a first extinction signal of the fluid at an analysis wavelength at a defined first pH value of the fluid; adjusting, by a pH adjusting device, a second pH value of the fluid which differs from the first pH value; detecting, by the absorption sensor, a second extinction signal of the fluid at the analysis wavelength at the second pH value; and processing/comparing the two extinction signals for the first and the second pH values and determining an absolute concentration of the substance dissolved in the fluid. | 11-12-2015 |
20150330906 | FRESHNESS ESTIMATION METHOD, FRESHNESS ESTIMATION APPARATUS, AND NON-VOLATILE RECORDING MEDIUM - A freshness estimation method includes obtaining an absorbance spectrum that is obtained by irradiating an eye of a fish with light having all or part of a wavelength band from 315 nm to 450 nm; and estimating freshness of the fish by using a shape of the obtained absorbance spectrum. | 11-19-2015 |
20160011100 | FUEL TANK ANALYSIS | 01-14-2016 |
20160076996 | LOW-TEMPERATURE SAFE SENSOR PACKAGE AND FLUID PROPERTIES SENSOR - A low-temperature safe sensor package. The package includes a housing having an internal cavity, an inlet port in communication with the internal cavity and a fluid source, and an outlet port in communication with the internal cavity. A sensor carrier is moveably arranged within the internal cavity. A spring element is arranged between the sensor carrier and a portion of the housing for biasing the sensor carrier into an operating position within the internal cavity. | 03-17-2016 |
20160077003 | DEVICE AND METHOD FOR MONITORING FLUID IN SUBSEA EQUIPMENT - Monitoring device and method for monitoring a fluid in subsea equipment, wherein the monitoring device includes a sensing element in contact with the fluid, at least one detector and a waveguide, where the sensing element is configured to implement an evanescent field absorption technique, the at least one detector is configured to detect an attenuated optical signal fed into the waveguide by at least one radiation source, and where the attenuation is caused by evanescent field absorption due to the fluid | 03-17-2016 |
20160091496 | PROCESSING, MODEL ESTABLISHMENT, AND PREDICATION METHODS OF MULTI-POSITION DIFFUSE SPECTRAL DATA AND PROCESSING APPARATUS - A method of processing spectral data is disclosed and may include the steps of illuminating a medium to detect an inside particular component with light; obtaining a first spectral data for the medium at a first radial position and a second spectral data for the medium at a second radial position, wherein the first radial position and the second radial position are selected arbitrarily; and performing differential processing on the first spectral data and the second spectral data. | 03-31-2016 |
20160124112 | Fluid Analyzer Using Absorption Spectroscopy - A technique facilitates formation evaluation with downhole devices which may include fluid analyzers having atomic absorption spectroscopy (AAS) systems. According to an embodiment, a fluid analyzer of a downhole tool may be positioned in a wellbore penetrating a subterranean formation. The downhole tool comprises a downhole flowline for receiving a sample fluid. Additionally, the fluid analyzer comprises a flowline positioned to receive the sample fluid for analysis by the atomic absorption spectroscopy system. The atomic absorption spectroscopy system has a light source to generate light and to excite atoms of a substance in the sample fluid. The atomic absorption spectroscopy system also comprises a detector to measure how much light has been absorbed by the substance, thus enabling the atomic absorption spectroscopy analysis. | 05-05-2016 |
20160168986 | CONCENTRATION DETERMINING METHOD AND SYSTEM | 06-16-2016 |
20160187250 | OPTICAL ANALYZER - An optical filter | 06-30-2016 |
20190145893 | ASSESSMENT OF PRIMER CONTENT ON A PRINT SUBSTRATE | 05-16-2019 |