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Gas or liquid analyzer

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073 - Measuring and testing


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Class / Patent application numberDescriptionNumber of patent applications / Date published
073100060 Gas 83
073100030 Reference standard 23
20100083730MULTI-SENSING DEVICE AND METHOD OF OPERATING - A multi-sensing device is provided which includes a first sensor for sensing a temperature of the fluid flowing through the filter element, a second sensor for sensing a pressure generated by the fluid flowing through the filter element; and an indicator for indicating a condition of the filter system, and a microcontroller operatively coupled to the first and second sensors. The microcontroller executes instructions for receiving temperature data from the first sensor and pressure data from the second sensor; if the temperature data does not exceed a first temperature threshold, monitoring subsequent temperature data received from the first sensor until it exceeds the first temperature threshold; and if the temperature data exceeds the first temperature threshold: determining whether the temperature data exceeds a second temperature threshold and whether the pressure data exceeds a pressure threshold; if the temperature data exceeds the second temperature threshold, activating the indicator to indicate that the fluid is in an abnormal condition; and if the pressure data exceeds the pressure threshold, activating the indicator to indicate that the filter element is in a condemned condition.04-08-2010
20130081441Analyte Testing Systems - The present invention includes analyte measurement systems, analyte measurement meters, analyte testing devices, cartridges thereof and integrated circuits for use therewith, and further includes methods related to the use of the integrated circuits and, in certain embodiments, to the counting or tracking of parameters related to the cartridges and analyte test devices.04-04-2013
20090301166AUTO-CALIBRATION CIRCUIT OR LABEL AND METHOD OF FORMING THE SAME - An auto-calibration circuit or label is adapted to be used with an instrument. The instrument is adapted to determine information related to an analyte of a fluid sample. The auto-calibration circuit or label comprises a plurality of electrical connections, first and second common connections, and first and second auxiliary common connections. The electrical connections convey auto-calibration information corresponding to a test sensor. The auto-calibration information is adapted to be utilized by the instrument to auto-calibrate for the test sensor. The electrical connections include first contact areas. The second common connection is separate and distinct from the first common connection. The first auxiliary common connection is separate and distinct from the first and second common connections. The second auxiliary common connection is separate and distinct from the first and second common connections. The first and second auxiliary common connections are located on opposing sides of the contact areas. The electrical connections are adapted to be routed directly from each of the plurality of first contact areas to a respective first or a second common connection.12-10-2009
20110011151Auto-Calibration Circuit For Analyte Measurement - Embodiments provide expanded ability to communicate calibration information to diagnostic systems for determining a characteristic of a test sample. An example system for determining a characteristic of a test sample includes: a test sensor for receiving a test sample; a sensor meter responsive to the test sensor, the sensor meter determining a characteristic of the test sample received on the test sensor; and a calibration element including electrical contacts readable by the sensor meter. The electrical contacts are configurable in one of a plurality of patterns that communicates, to the sensor meter, information relating to the determination of the characteristic of the test sample. The plurality of patterns include two or more of the electrical contacts that are electrically isolated from any other electrical contacts. The sensor meter determines at least partially the information from the electrical contacts by determining a combination of values corresponding to the isolated electrical contacts.01-20-2011
20090178459ANALYTE SENSOR - Systems and methods of use for continuous analyte measurement of a host's vascular system are provided. In some embodiments, a continuous glucose measurement system includes a vascular access device, a sensor and sensor electronics, the system being configured for insertion into communication with a host's circulatory system.07-16-2009
20130019651ABNORMALITY DETECTION APPARATUS FOR FUEL PROPERTY DETECTION APPARATUS - An object of the present invention is to accurately diagnose an abnormality of a fuel property detection apparatus that detects a fuel property based on a capacitance between electrodes. The abnormality detection apparatus for a fuel property detection apparatus of the present invention detects an abnormality of a fuel property detection apparatus that detects a fuel property based on a measurement value of a capacitance between a pair of electrodes installed on a fuel supply channel of an internal combustion engine that can use a fuel that includes a predetermined fuel component that has a characteristic such that a permittivity thereof changes according to a frequency of an electric field. The abnormality detection apparatus for a fuel property detection apparatus includes frequency switching means that switches a frequency of an alternating voltage applied between both electrodes to a plurality of frequencies, measuring means that measures a capacitance at each of the plurality of frequencies, storing means that stores frequency characteristics information that is information relating to a relationship between a fuel property and frequency characteristics of capacitances when the fuel property detection apparatus is normal, and diagnosing means that diagnoses an abnormality of the fuel property detection apparatus based on a measurement result of the measuring means and the frequency characteristics information.01-24-2013
20090277242Sensor Calibration - A sensor kit comprising a sensor for detecting an analyte, a sensor housing and a calibration chamber. The calibration chamber comprises a first compartment containing a first calibration solution and a second compartment containing a source of the analyte to be detected. A dividing material is located between the first and second compartments enabling them to be mixed on breakage or removal of the dividing material. Further compartment(s) containing further source(s) of the analyte may optionally be provided. Calibration can carried out by (a) taking a reading of the analyte concentration of the first calibration solution, (b) mixing the contents of the first and second compartments by breaking or removing the dividing material, and (c) taking a reading of the analyte concentration of the resulting mixture. Steps (b) and (c) can be repeated for further compartment(s) to provide further reading(s) if desired.11-12-2009
20090188296METHOD AND APPARATUS FOR TESTING SMOKE AND FIRE DETECTORS - An apparatus for the testing of a smoke or fire detector; said apparatus comprising an emitter of an alarm activating material and an alarm activating material confining housing; said emitter and said housing interconnected by a flexible conduit; and wherein said housing is adapted to substantially enclose said smoke or fire detector such that said alarm activating material is brought into contact with said smoke or fire detector.07-30-2009
20120096918GLUCOSE SENSOR CALIBRATION - A method of calibrating a glucose sensor, which method comprises: 04-26-2012
20090120157Method for Calibrating Machines for the Analysis of Characteristic Parameters of the Blood Connected To Its Density, Such as Erythrocyte Sedimentation Rate and/or Red Corpuscles Aggregation Rate - A method for calibrating machines suitable to effect an analysis of a blood sample by means of measuring the erythrocyte sedimentation rate (ESR) and/or aggregation of the red corpuscles, wherein said measurement is effected by exploiting the optical density kinetics obtained from the measurement of the variation in the optical density of the blood sample in an interval of time, comprises a measuring step in which, by means of the same machine with which the measurement of the optical density is effected on said blood sample, a measurement is effected of the optical density of two latexes, or turbidimetric samples. Each of the two latexes has a known optical density, reproducible, measurable and different from each other. The method also comprises a comparison step, in which the difference is calculated between the values of optical density of the latexes as obtained from the measurement performed by the machine and the known values of optical density, to allow to determine at least one correction factor usable to calibrate said machine.05-14-2009
20090038369MICROWAVE SYSTEM GENERATOR AND CONTROLLER FOR GAS AND LIQUID CHROMATOGRAPHY AND METHODS FOR MAKING AND USING SAME - A solid state, radiant energy power generator and control system for heating an object in a radiant energy cavity—a radiant energy heated oven—is disclosed, where the system includes a digital processing unit (DPU), an DPU interface, a device controller, a frequency regulator, a voltage control oscillator, a power regulator, an amplifier, and a reverse/forward power sensing means.02-12-2009
20130213110CONTROL OF BIOFOULING IN IMPLANTABLE BIOSENSORS - Disclosed herein is a device comprising a biosensor having disposed upon it a coating; the coating comprising a polymer matrix; where the polymer matrix is operative to facilitate the inwards and outwards diffusion of analytes and byproducts to and from the sensing element of the biosensor; and a sacrificial moiety; the sacrificial moiety being dispersed in the polymer matrix, where the sacrificial moiety erodes with time and increases the porosity of the polymer matrix thus offsetting decreases in analyte permeability as a result of biofouling.08-22-2013
20100005850CALIBRATION METHODS FOR BLOOD CONTENT SENSORS - Methods for calibrating blood content sensors used independently or in conjunction with medical instruments such as traditional or capsule type endoscopes.01-14-2010
20090205398Self Calibration Devices for Chemical and Bio analytical Trace Detection Systems - The present invention relates to chemical and bioanalytical sensors and sensor systems, particularly to systems incorporating a calibration device for sensors where the calibration device is composed of structures and materials for trapping and retaining calibrant materials until they are needed and released quantitatively.08-20-2009
20090205399AUTO-CALIBRATING TEST SENSORS - A method of making a test sensor configured to assist in determining information related to an analyte in a fluid sample is disclosed. The method comprises the act of providing a base having a first end and a second opposing end. The method further comprises the act of providing a fluid-receiving area configured to receive a fluid sample. The method further comprises the act of assigning calibration information to the test sensor. The method further comprises the act of forming at least one notch such that a depth of the notch corresponds to the calibration information.08-20-2009
20090113981AUTO-CALIBRATING TEST SENSORS - An electrochemical test sensor configured to determine an analyte concentration of a fluid sample comprises a base including a first end, a second opposing end, a first side and a second side bridging the first and second opposing ends. The test sensor further comprises a plurality of electrodes formed on the base at or near the first end. The plurality of electrodes includes a working electrode and a counter electrode. The sensor further comprises a first test-sensor contact formed on the base at or near the second opposing end and coupled to the working electrode by a first conductive lead. The sensor further comprises a second test-sensor contact formed on the base at or near the second opposing end and coupled to the counter electrode by a second conductive lead. The positions of the first and second test-sensor contacts correspond with calibration information assigned to the test sensor.05-07-2009
20100162786SYSTEM AND/OR METHOD FOR GLUCOSE SENSOR CALIBRATION - The subject matter disclosed herein relates to systems, methods and/or devices for calibrating sensor data to be used in estimating a blood glucose concentration. A relationship between sensor measurements and reference readings may be used to estimate a relationship between sensor measurements and blood glucose concentration. Such sensor measurements may be weighted according to a decreasing function of uncertainty associated with sensor values.07-01-2010
20110056264ADDITIONAL CALIBRATION FOR ANALYTE MONITOR - Embodiments provide a method and related systems that take into account the difference between a measured glucose value and the calibration level and the amount of elapsed time since the prior calibration. As one or both of these determined differences increases, the desirability of an additional calibration also increases. The methodology described herein thus analyzes the combination of change in glucose level as well as the time since the prior calibration. If the combination exceeds a predetermined value, the system recommends, but does not require, that the subject user perform an additional calibration.03-10-2011
20090071225Systems, 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 provided. Embodiments of the methods, storage mediums, and systems include configurations for calibrating a flow cytometer using a calibration particle having a unique signature to determine a time-of-flight for particles flowing through the flow cytometer. Based on the calculated time-of-flight and relative positions of interrogation regions corresponding to collectors of the flow cytometer, the methods, storage mediums, and systems may further include configurations for associating other signal pulses to particles of one or more different particle sets.03-19-2009
20110232356Electrophoretic Analysis System Having In-Situ Calibration - An electrophoretic system having a plurality of separation lanes is provided with an automatic calibration feature in which each lane is separately calibrated. For each lane, the calibration coefficients map a spectrum of received channel intensities onto values reflective of the relative likelihood of each of a plurality of dyes being present. Individual peaks, reflective of the influence of a single dye, are isolated from among the various sets of detected light intensity spectra, and these can be used to both detect the number of dye components present, and also to establish exemplary vectors for the calibration coefficients which may then be clustered and further processed to arrive at a calibration matrix for the system. The system thus permits one to use different dye sets to tag DNA nucleotides in samples which migrate in separate lanes, and also allows for in-situ calibration with new, previously unused dye sets.09-29-2011
20110107812RATIONALITY DIAGNOSIS METHOD AND RATIONALITY DIAGNOSIS APPARATUS FOR SENSOR INSIDE TANK - A rationality diagnosis method and a rationality diagnosis apparatus for a sensor inside a tank are provided. The rationality diagnosis method and the rationality diagnosis apparatus can accurately and easily perform a diagnosis to determine whether rationality of all sensors is maintained.05-12-2011
20100180663Sensor and method for detecting oil deterioration and oil level - A capacitive sensor in its simplest form has three identical plated spatial electrodes, which are positioned equally spaced apart, in order, alignment and parallel with each other. The first and third electrodes are the outer electrodes and connected in parallel by a first lead wire serving as a first electrical pole to be a group of the integrated electrodes. The second electrode is the middle electrode and connected by a second lead wire serving as a second electrical pole. The sensor is applied by an alternating current (AC) excitation by an AC device. The present invention method includes application of referencing and sensing capacitive sensors to obtain a measured temperature compensated electrical property of the oil to thereby obtain a measured remaining usage so as to a predicted one for the oil. Therefore, the respective top oil level, or the normal or the abnormal oil deterioration can be concluded according to the measured remaining usage which is respectively larger than, or similar to, or less than the predicted one for the oil.07-22-2010
20100064764Method and System for Providing Calibration of an Analyte Sensor in an Analyte Monitoring System - Method and apparatus for providing calibration of analyte sensor including applying a control signal, detecting a measured response to the control signal, determining a variance in the detected measured response, and estimating a sensor sensitivity based on the variance in the detected measured response is provided03-18-2010
20090126454Method of Measuring a Target Gas at Low Concentration - A method for determining the concentration of a target gas in an environment which utilises a metal oxide gas sensor having a sensitivity to a background stimulus present in the environment, said sensitivity being variable according to the concentration of the target gas, comprises the following steps: 05-21-2009
20100175455METHODS AND MATERIALS FOR CALIBRATION OF A READER - The present disclosure relates generally to devices that may be used to calibrate a reader. Such devices may comprise an electrical memory chip, a calibration device comprising an optical check, and an interface that allows interaction with the reader.07-15-2010
20100116016DETECTOR FOR CHROMATOGRAPH AND METHOD FOR ADJUSTING THE SAME - The present invention provides a detector for a chromatograph capable of obtaining the accurate retention time, even if there is a frequency deviation of the clock signal for determining the timing of data sampling, by conforming the progress of the detector internal time accompanied with the repetition of the sampling to that of real time. In the detector, consecutive data sampling intervals are defined to be a time adjustment period, and in one time adjustment period, each of the sampling intervals whose number is given as the interpolation value M is elongated by a predetermined number of clock counts compared to each of the other sampling intervals. If the clock signal has a positive frequency deviation, the apparatus internal time determined by the clock signal progresses faster than real time. However, providing the interpolation value M corresponding to the amount of the frequency deviation elongates the time adjustment period on the basis of the apparatus internal time, to be conformed to the time adjustment period on the basis of real time which is determined by the sampling period.05-13-2010
20120304729MULTI-ANALYTE DETECTION SYSTEM AND METHOD - The invention provides for a multiple analyte detector that is capable of detecting and identifying explosive, chemical or biological substances having multiple analytes with a single system having multiple reporters. The reporters include fluorescent polymers, conducting polymers, metal oxide elements electrochemical cells, etc. The reporters may be combinations of other reporters that are optimized for broadband detection.12-06-2012
20110154879Systems and Methods for Monitoring a Solid-Liquid Interface - Systems and methods are provided for monitoring a solid-liquid interface during a casting process. The systems and methods enable determination of the location of a solid-liquid interface during the casting process.06-30-2011
20120125075DETERMINATION AND APPLICATION OF GLUCOSE SENSOR RELIABILITY INDICATOR AND/OR METRIC - Disclosed are a system and method for determining a metric and/or indicator of a reliability of a blood glucose sensor in providing glucose measurements. In one aspect, the metric and/or indicator may be computed based, at least in part, on an observed trend associated with signals generated by the blood glucose sensor.05-24-2012
20100218585Multi-dimentional high performance liquid chromatographic separation technique (STAR7) for quantitative determinations of 7 fractions in heavy petroleum streams boiling above 550 degrees F - The present invention provides quantitation of seven classes of compounds (saturates, 1-4+ ring aromatics, sulfides, and polars) present in petroleum streams boiling from 550-1050° F. Operating the present invention in the preparative mode will allow us to load and collect multi-milligram amounts of material. In the present invention, all seven fractions are produced in a single run, whereas the most commonly used preparative liquid chromatographic separations requires two or more large scale separations to generate similar fractions. The present invention uses 100 times less solvent. The present invention protocol provides a quicker and cheaper alternative to most commonly used preparative liquid chromatographic separations and is flexible enough to target many refining and chemicals problems.09-02-2010
20110265548Underfill Detection System For A Biosensor - A biosensor has an underfill detection system that determines whether a sample of a biological fluid is large enough for an analysis of one or more analytes. The underfill detection system applies an excitation signal to the sample, which generates an output signal in response to the excitation signal. The underfill detection system switches the amplitude of the excitation signal. The transition of the excitation signal to a different amplitude changes the output signal when the sample is not large enough for an accurate and/or precise analysis. The underfill detection system measures and compares the output signal with one or more underfill thresholds to determine whether an underfill condition exists.11-03-2011
20100229623DOWNHOLE DETERMINATION OF ASPHALTENE CONTENT - A system and method for determining the asphaltene content of a downhole oil sample are provided. In one example, the method includes obtaining a hydrocarbon sample from a hydrocarbon formation of a reservoir at a given depth using a downhole tool. A liquid phase of the hydrocarbon sample is isolated within the downhole tool and the liquid phase is subjected to downhole analysis within the downhole tool to create a chromatography sample. The downhole analysis is based at least partially on size exclusion chromatography. A first property of the chromatography sample is measured to obtain a measured value, and a second property of the chromatography sample is estimated based on the measured value and known calibration curves.09-16-2010
20130014556METHOD FOR CALIBRATING OR TESTING A DETECTOR SURFACE OF A DEVICE FOR DETECTING HYDROMETEORS AND A CALIBRATION AND TESTING DEVICEAANM Salmi; AtteAACI PorvooAACO FIAAGP Salmi; Atte Porvoo FI - The invention relates to a method and device for calibrating or testing the detector surface (01-17-2013
20130111968SAMPLE ANALYSIS DEVICE FOR DETERMINING SAMPLES IN A SAMPLE MATRIX AND METHOD FOR DETERMINING SAMPLES IN ONE OR SEVERAL MATRICES - A sample analysis device is provided for determining samples in a sample matrix with several sample volumes. The device includes: a receiving device with a receiving facility for a sample matrix comprising a plurality of sample volumes; a first measuring device configured to determine samples in the sample matrix, by means of wet measuring; a second measuring device, configured to determine further samples in the sample matrix, which further samples differ from the samples, or in another sample matrix, by means of dry measuring; and a transfer device, which is coupled to the receiving device and is configured to transfer the receiving device between a loading position and a plurality of measuring positions in such a manner that the receiving facility can be transferred to various measuring positions that are either associated with the first or with the second measuring device.05-09-2013
20080202195GOLD NANOPARTICLE-BASED pH SENSOR IN HIGHLY ALKALINE REGION BY SURFACE-ENHANCED RAMAN SCATTERING STUDY - Disclosed are a pH sensor for use in a highly alkaline region of pH >11 comprising citrate-reduced gold nanoparticles and a method for calibrating pH of a solution in highly alkaline regions, based on variation in surface-enhanced Raman scattering spectra (SERS).08-28-2008

Patent applications in class Gas or liquid analyzer

Patent applications in all subclasses Gas or liquid analyzer