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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Application No. | Application Title | Issue Date |
| 20120125076 | PORTABLE METERED FLOW APPARATUS FOR CALIBRATION/BUMP TESTING A portable metered flow apparatus for accurately providing calibration gas from a calibration gas source to a gas monitoring instrument in order to permit calibration/bump testing of the instrument comprising a regulator and a gas delivery device that includes a solenoi... | 05/24/2012 |
| 20110314893 | OXYGEN SENSOR CONTROLLER AND OXYGEN SENSOR CONTROL METHOD In control over an oxygen sensor, a temperature of the oxygen sensor, which detects a concentration of oxygen in exhaust gas from a combustion chamber in which anode off-gas of a fuel cell is burned, is adjusted to a target temperature, and an output of the oxygen senso... | 12/29/2011 |
| 20110314892 | METHOD AND DEVICE FOR THE DYNAMIC MONITORING OF A LAMBDA PROBE A method for the dynamic monitoring of a first lambda probe arranged in an exhaust-gas duct of an internal combustion engine upstream of an exhaust-gas purification system. A period of an output signal of the first lambda probe is determined in a controller of the inter... | 12/29/2011 |
| 20110289999 | Method and Device for Calibrating a Sensor A tank ventilation system having an intake tract, the tank ventilation system including a hydrocarbon reservoir, a sensor, and a valve. The valve and the sensor are arranged in a fluid line that couples the hydrocarbon reservoir to the intake tract. The sensor captures ... | 12/01/2011 |
| 20110209520 | CALIBRATION CARD FOR OXYGEN OPTICAL SENSORS A calibration card 10 and method of using the card 10 to calibrate an optical sensor. The card 10 comprises (i) a first mass of an oxygen sensitive fluorophore 41 configured and arranged for limiting exposure of the first mass of oxygen sensi... | 09/01/2011 |
| 20110203346 | COMPREHENSIVE TWO-DIMENSIONAL GAS CHROMATOGRAPHY The invention provides a manual or automated method for eliminating or minimizing retention time shifts in comprehensive two-dimensional gas chromatography (abbreviated GCxGC). Under nominal identical conditions (identical column-set specifications and GCxGC oven temper... | 08/25/2011 |
| 20110197649 | SELF-CALIBRATING GAS SENSOR A self-calibrating gas sensor comprises a steady current measuring gas line composed of valves, pumps and a current-type electrochemical sensor, and a coulomb analyzing gas line composed of said valves, said pumps, said current-type electrochemical sensor and a sample c... | 08/18/2011 |
| 20110192211 | APPARATUS WITH ABNORMALITY DETERMINATION FUNCTION AND METHOD FOR DETERMINING ABNORMALITY The apparatus 100 is provided with an abnormality determination means 32 for determining abnormality of the apparatus 100 where two different combinations of two electrodes are selected from the three electrodes 22a, 22b,... | 08/11/2011 |
| 20110174049 | INSPECTION APPARATUS FOR SENSOR ELEMENT, AND METHOD FOR INSPECTING ELECTRICAL CHARACTERISTICS OF SENSOR ELEMENT An inspection apparatus including a cylindrical chamber having an opening part and a bottomed end part. The chamber includes an element insertion/extraction part, a tapered part, and a gas introduction part. The element insertion/extraction part is a tubular space conti... | 07/21/2011 |
| 20110154881 | CALIBRATION CARD FOR PHOTOLUMINESCENT OXYGEN SENSORS WITH ZERO POINT MAINTAINED WITH A METAL-AIR BATTERY A calibration card and method of using the card to calibrate an analytical instrument capable of reading a photoluminescent oxygen probe. The card includes at least (a) a first mass of an oxygen sensitive photoluminescent dye retained within a hermetically sealed space ... | 06/30/2011 |
| 20110138874 | OUTPUT CALIBRATION APPARATUS AND OUTPUT CALIBRATION METHOD FOR NOx SENSOR An output calibration apparatus for an NOx sensor according to the present invention includes a urea addition valve provided in an exhaust passage in an internal combustion engine to allow urea to be added to inside of the exhaust passage, and an NOx sensor provided at ... | 06/16/2011 |
| 20110120206 | METHODS OF CALIBRATING A SENSOR IN A PATIENT MONITORING SYSTEM The present application discloses a number of methods of calibrating a sensor for measuring an analyte in a patient monitoring system. In a first embodiment, the method comprises calculating a sensor drift; calibrating the sensor using at least one calibration fluid; an... | 05/26/2011 |
| 20110107813 | Breath Test Simulator and Method A breath test simulator for supplying a breath test analyzer with a vapor including ethyl alcohol includes a heated thermal mass to heat an inlet passage.... | 05/12/2011 |
| 20110100088 | Articles Of Manufacture Containing Increased Stability Low Concentration Gases And Methods Of Making And Using The Same Articles of manufacture and methods of making and using same concern a container having an internal space and a passivated internal metal surface. The container contains a composition of an acid gas and a balance gas contained within the internal space and in contact wi... | 05/05/2011 |
| 20110100087 | SENSOR FOR GASES EMITTED BY COMBUSTION A sensor for gases emitted by combustion, said sensor comprising one or more metal oxides forming an adsorption semiconductor the electrical resistance of which changes according to the gas adsorbed, said semiconductor being a semiconductor for the direct adsorption of ... | 05/05/2011 |
| 20110093184 | CONTROL CIRCUIT FOR AN ELECTROCHEMICAL GAS SENSOR AND METHOD FOR ADJUSTING AN ELECTROCHEMICAL GAS SENSOR An electrochemical gas sensor is provided for a motor vehicle. The gas sensor contains a digital controller and a detection circuit. The digital controller captures, by a feedback input, a value of the voltage applied to the inside of the gas sensor cell. The output of ... | 04/21/2011 |
| 20110088446 | PRE-CALIBRATED REPLACEABLE SENSOR MODULE FOR A BREATH ALCOHOL TESTING DEVICE The present invention describes a replaceable breath alcohol sensor module that can be replaced with a new pre-calibrated breath alcohol sensor module or re-calibrated. The breath alcohol sensor module requiring calibration can be removed from the body of a Breath Alcoh... | 04/21/2011 |
| 20110077908 | Method for Diagnosing the Functional Reliability of a Lambda Probe In the change from lean to rich exhaust gas or vice versa, signals are recorded by a lambda probe and are used to diagnose the functional reliability of this lambda probe So that special reliability of this procedure is ensured, the change is triggered by an event. The ... | 03/31/2011 |
| 20110072879 | SYSTEMS AND METHODS FOR REMOTELY CALIBRATING A GAS SENSOR A method of calibrating a sensor that includes determining a baseline condition of a sensor by channeling a fluid to a remote calibrator assembly coupled to the gas sensor, wherein the remote calibrator assembly includes a calibrator slide. The calibration of the sensor... | 03/31/2011 |
| 20110048100 | GAS DETECTOR WITH VISUAL COMPLIANCE VERIFICATION A multi-sensor gas detector includes circuitry to evaluate if the detector is in compliance with predetermined safety requirements. Where the detector is in compliance, then a confidence indicator is intermittently activated at a predetermined frequency. Where the detec... | 03/03/2011 |
| 20110036142 | Precise droplet injection for calibrating a gas chromatography instrument A method and apparatus for calibrating a gas chromatography instrument by forcefully shooting a measured droplet which securely passes through a confined passageway without direct intervention of human hands into the entry throat of the instrument so as to avoid contami... | 02/17/2011 |
| 20110005929 | SELF-ADJUSTING ELECTROCHEMICAL SENSOR A gas detector with a compensated electrochemical sensor exhibits altered sensitivity in response to decreasing stochastic noise in an output thereof. A gain parameter can be adjusted to alter sensitivity. A life-time estimate can be made based on sensitivity.... | 01/13/2011 |
| 20100326165 | DETECTOR TEST DEVICE A gas detector test device includes a housing which can receive the detector to be tested, at least in part. A reference gas detector is carried by the housing. The reference detector is in wireless communication with the detector under test. A gas sample can be injecte... | 12/30/2010 |
| 20100310343 | Method and apparatus for processing individual sensor devices To process a plurality of sensor devices, such as humidity sensors or gas sensors, the sensor devices are run through a testing station and a turret handler. In order to increase throughput of the testing station, several test cycles are operated simultaneously in a pha... | 12/09/2010 |
| 20100300175 | EXHAUST GAS ANALYZER AND PROBE UNIT A probe unit includes a gas sensor having multiple gas introduction bores for introducing a gas into an inside of the gas sensor, and a sensor holder inside of which the gas sensor is held and that is arranged inside of a duct so as to introduce an exhaust gas flowing i... | 12/02/2010 |
| 20100281854 | FAULT ANALYSIS METHOD FOR A LAMBDA PROBE A fault analysis method for a lambda probe of an internal combustion engine, in particular for detecting a heater input, has the following steps: measurement of an air ratio in the exhaust gas of the internal combustion engine by a lambda probe, control of the air ratio... | 11/11/2010 |
| 20100257915 | MEASUREMENT SYSTEM FOR POWDER BASED AGENTS A measurement system for a dry powder agent includes a sensor system which includes at least one sensor head at least partially within a powder calibration column and a control system in communication with the sensor system.... | 10/14/2010 |
| 20100242569 | APPROACH FOR DETERMINING EXHAUST GAS SENSOR DEGRADATION A method for determining degradation of an exhaust gas sensor positioned in an exhaust system for an internal combustion engine of a vehicle is provided. The method includes modulating an air/fuel ratio of gas exhausted by the internal combustion engine to the exhaust s... | 09/30/2010 |
| 20100233562 | GAS DETECTION SYSTEM, VEHICLE, AND CHECKUP METHOD FOR GAS DETECTION SYSTEM A gas detection system functions to detect a specific gas present in a certain space. The gas detection system includes a gas concentration detector arranged to detect concentration of the specific gas as a gas concentration. The gas detection system also has a determin... | 09/16/2010 |
| 20100223975 | Calibration and Accuracy Check System for a Breath Tester Calibration and accuracy check systems for a chemical sniffer, such as a breath alcohol tester, which utilize the dispensing of droplets with determinable concentration of alcohol and/or other liquids in a determinable number either directly to a reaction chamber, or in... | 09/09/2010 |
| 20100224769 | Method of calibrating an apparatus for measuring radon and/or its progeny in an air sample A method of calibrating an apparatus for measuring Radon and/or its progeny in an air sample, includes providing an apparatus for measuring Radon in an air sample that includes a preset offset voltage corresponding to a threshold conductivity value and a preselected rea... | 09/09/2010 |
| 20100212395 | Instrument Docking Station with Non-Destructive Sensor Analysis Capabilities A docking station for use with gas sensors includes limited test and diagnostic circuitry directed to specific characteristics of selected detectors. Where a family of detectors is to be evaluated, a universal interface for that family can be included. A single port can... | 08/26/2010 |
| 20100139245 | Method For Calibrating A Lambda Sensor And Internal Combustion Engine In the calibration of a lambda sensor (26), inaccuracies occur during a fuel cut-off overrun phase depending on the temperature. A method is proposed for correcting an output signal of a lambda sensor (16) of an internal combustion engine (1), havin... | 06/10/2010 |
| 20100132431 | METHOD FOR TESTING AND CALIBRATING A CAPACITIVE FLEX FUEL SENSOR A method for calibrating a flex fuel sensing apparatus having a fuel passage involves the use of a generally solid test blank having a size and shape configured to match that of the fuel passage. The test blank comprises material having a known, predetermined dielectric... | 06/03/2010 |
| 20100116017 | CALIBRATION CARD FOR PHOTOLUMINESCENT OXYGEN SENSORS A calibration card and method of manufacturing and using the card to calibrate an analytical instrument capable of reading a photoluminescent oxygen probe. The card includes at least (a) a first mass of a first solid state composition comprising an oxygen-sensitive phot... | 05/13/2010 |
| 20100101300 | METHODS AND APPARATUS FOR MONITORING PARTICLES FLOWING IN A STACK An apparatus (7) for monitoring particles flowing in a stack (6), comprises: an electrical-interaction monitor (1) operable to provide a signal (300) resulting from electrical interaction of the particles with the monitor (1). a scatte... | 04/29/2010 |
| 20100095745 | CALIBRATION SYSTEMS AND METHODS FOR TRACER GAS LEAK DETECTION Tracer gas leak detection is provided by a calibration system with a gas leak detector having a test port for receiving a sample containing a tracer gas and coupled to a vacuum pump; a calibrated leak for a calibration sample containing the tracer gas; a mass filter cou... | 04/22/2010 |
| 20100089117 | METHOD OF CALIBRATING A WAVELENGTH-MODULATION SPECTROSCOPY APPARATUS Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whethe... | 04/15/2010 |
| 20100063753 | INTEGRATED VAPOR DELIVERY SYSTEMS FOR CHEMICAL VAPOR DEPOSITION PRECURSORS One disclosed feature of the embodiments is a control processor in a vapor delivery system for chemical vapor deposition precursors. A pressurization rate processor calculates first and second pressurization rate curves at first and second time instants. A volume calcul... | 03/11/2010 |
| 20100057401 | SYSTEM, METHOD AND KIT FOR TESTING GAS MONITORS System and method are utilized for testing the performance of a gas monitor against predetermined monitor characteristics to determine if performance of a gas monitor is validated following testing gas being directly delivered to a gas sensor of the gas monitor.... | 03/04/2010 |
