| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 204401000 | Fault testing of sensor or component | 19 |
| 20080289959 | SELF-DIAGNOSTIC SENSOR SYSTEM - A system for monitoring the viability of an electrochemical cell measures the impedance of the cell over a wide range of impedances and with diminished phase shift over prior methods so that a more nearly accurate assessment of the impedance can be made. The system is particularly useful for four electrode systems, but is not so limited. It may advantageously be incorporated in the cell itself to further minimize cabling artifacts. | 11-27-2008 |
| 20090014326 | EFFICIENCY OPTIMIZATION AND DAMAGE DETECTION OF ELECTROLYSIS CELLS - There is described a method and a system for evaluating damage of a plurality of cells in an electrolyser. The method comprises acquiring a voltage for each one of the cells; comparing the voltage to at least two threshold voltage levels; classifying the cells as one of: severely damaged cells, non-severely damaged cells and undamaged cells, based on the comparison of the voltage with the at least two threshold voltage levels; and deactivating the cells classified as severely damaged cells from the electrolyser. | 01-15-2009 |
| 20090038939 | SYSTEM AND METHODS OF CHEMISTRY PATTERNING FOR A MULTIPLE WELL BIOSENSOR - Methods and systems for measuring the concentration of an analyte in a blood sample and, more particularly, to methods of chemistry patterning reagent layers for multiple well biosensors. A first capillary is first configured to receive a dispensed reagent layer such that the reagent layer is distributed in a substantially uniform manner within the first capillary. The first capillary may also configured to isolate the first capillary from other capillaries present in the biosensor. After the reagent layer has been dispensed and dried, the first capillary may then be reconfigured to allow the first capillary to receive a blood sample. | 02-12-2009 |
| 20090050476 | Zr/ZrO2 Electrode and Producing Method Thereof and Integrated High Temperature and High-Pressure Chemical Sensor Composed by the Same - The invention involves a Zr/ZrO | 02-26-2009 |
| 20090057145 | Apparatus for Monitoring Chlorine Concentration in Water - Apparatus ( | 03-05-2009 |
| 20090090622 | SYSTEM AND METHOD FOR PARTICULATE SENSOR DIAGNOSTIC - A particulate (soot) sensor system has a diagnostic feature for verifying the integrity of the wiring leads. The sensor system includes a sensor and processing circuitry. The sensor has a substrate, first and second sensing electrodes on the substrate and a heater electrode. The heater electrode is electrically isolated from the first and second sensing electrodes, although there is a parasitic capacitance between them. The processing circuitry includes a heater driver, a measurement circuit connected to the sensing electrodes by wire leads, and a detector. The heater driver, in addition to energizing the heater, produces a stimulus signal that is applied to the heating electrode, which is then coupled via the parasitic capacitance to the sensing electrodes. The detector is coupled to the wiring leads and is configured to detect the stimulus signal when there is electrical conductivity over the leads to the sensing electrodes. | 04-09-2009 |
| 20090242398 | DEVICE AND METHOD FOR MONITORING AN ELECTROCHEMICAL GAS SENSOR - An electrochemical gas sensor testing device that includes a test signal generator that generates a multiplexed signal that includes a first test signal that includes alternating current (AC) and is free from a direct current (DC) component and a second signal that includes a DC bias voltage, an electrochemical cell that includes a counter electrode, a sensing electrode, and an electrolyte, the counter electrode and the sensing electrode being in electrical communication with the electrolyte and each other, the counter electrode being in electrical communication with the signal generator to receive the multiplexed signal generated by the signal generator, and a processor that receives an AC signal from the sensing electrode and that analyzes the AC signal. | 10-01-2009 |
| 20100025238 | ANALYTE SENSOR APPARATUSES HAVING IMPROVED ELECTRODE CONFIGURATIONS AND METHODS FOR MAKING AND USING THEM - Embodiments of the invention provide analyte sensors having optimized elements and/or configurations of elements as well as methods for making and using such sensors. Typical embodiments of the invention include glucose sensors used in the management of diabetes. | 02-04-2010 |
| 20130062200 | ABNORMALITY DIAGNOSTIC APPARATUS FOR GAS SENSOR - An abnormality diagnostic apparatus for a gas sensor includes a NOx sensor includes a main pump cell, an auxiliary pump cell, and a detection cell. The apparatus diagnoses at least one of the detection cell, the main pump cell, and the auxiliary pump cell for an abnormality, based on at least one of a rising characteristic of a NOx output of the detection cell immediately after a start of detection of the NOx output, its peak value, and its subsequent falling characteristic. An abnormality of the detection cell is determined if a speed with which the NOx output rises is small; an abnormality of at least one of the main pump cell and the auxiliary pump cell is determined if a speed with which the NOx output falls is small; and an abnormality of the detection cell is determined if the peak value of the NOx output is small. | 03-14-2013 |
| 20140027279 | SYSTEM AND METHOD FOR QUALITY ASSURANCE OF A BIOSENSOR TEST STRIP - The present invention provides a test strip for measuring a signal of interest in a biological fluid when the test strip is mated to an appropriate test meter, wherein the test strip and the test meter include structures to verify the integrity of the test strip traces, to measure the parasitic resistance of the test strip traces, and to provide compensation in the voltage applied to the test strip to account for parasitic resistive losses in the test strip traces. | 01-30-2014 |
| 20140238853 | GAS SENSOR CONTROL APPARATUS AND GAS SENSOR SYSTEM - A gas sensor control apparatus for controlling a gas sensor element, the gas sensor element including first and second measuring chambers and the gas sensor control apparatus including first chamber control unit for controlling an oxygen concentration in the first chamber; second chamber control unit for applying a second chamber pump voltage to disassociate an oxygen-containing specific gas contained in the second chamber and thereby generate a concentration-dependent current; current detecting unit; voltage changing unit for changing the second chamber pump voltage; and deterioration determination unit for determining the deterioration state of the gas sensor element based on a transient response of the concentration-dependent current. | 08-28-2014 |
| 20140262772 | MAINTAINING ELECTRODE FUNCTION DURING MANUFACTURE WITH A PROTECTIVE LAYER - The present disclosure relates to an electrochemical test sensor for detecting the concentration of an analyte in a fluid sample. The test sensor includes a working electrode, a counter electrode, and a trigger electrode. A temporary protective layer overlies the trigger electrode and helps to maintain the function of the trigger electrode during test sensor manufacture. | 09-18-2014 |
| 20150083588 | GAS CONCENTRATION DETECTOR - A gas concentration detector includes a gas sensor and an abnormality detecting section. The gas sensor includes a single solid electrolyte body having oxygen ion conductivity and electrodes formed on both surfaces of the single solid electrolyte body. The abnormality detecting section is configured to apply an AC voltage to a specific one of the electrodes and concurrently measure currents flowing respectively between the specific electrode and each of the other electrodes through the solid electrolyte body, and determine that at least one of wires respectively connected to the corresponding electrodes is broken if at least one of the measured currents is smaller than a predetermined value. | 03-26-2015 |
| 20150101928 | SYSTEM AND METHOD FOR MEASURING AN ANALYTE IN A SAMPLE - Methods of determining a corrected analyte concentration in view of some error source are provided herein. The methods can be utilized for the determination of various analytes and/or various sources of error. In one example, the method can be configured to determine a corrected glucose concentration in view of an extreme level of hematocrit found within the sample. In other embodiments, methods are provided for identifying various system errors and/or defects. For example, such errors can include partial-fill or double-fill situations, high track resistance, and/or sample leakage. Systems are also provided for determining a corrected analyte concentration and/or detecting some system error. | 04-16-2015 |
| 20150316501 | GATED VOLTAMMETRY METHODS - A sensor system, device, and methods for determining the concentration of an analyte in a sample is described. Gated voltammetric pulse sequences including multiple duty cycles of sequential excitations and relaxations may provide a shorter analysis time and/or improve the accuracy and/or precision of the analysis. The disclosed pulse sequences may reduce analysis errors arising from the hematocrit effect, variance in cap-gap volumes, non-steady-state conditions, mediator background, a single set of calibration constants, under-fill, and changes in the active ionizing agent content of the sensor strip. | 11-05-2015 |
| 20160097737 | GAS SENSOR SYSTEM - A gas sensor system ( | 04-07-2016 |
| 20160097738 | GAS SENSOR SYSTEM - A gas sensor system ( | 04-07-2016 |
| 20160123922 | GAS SENSOR CONTROL APPARATUS - A sensor element of an A/F sensor AS has a solid electrolyte layer, a first electrode arranged on one side of the solid electrolyte layer so as to be exposed to the exhaust gas of an internal combustion engine, and a second electrode arranged on the other side of the solid electrolyte layer so as to face an atmospheric air chamber. The sensor element generates a sensor output according to the oxygen concentration in the exhaust gas. A microcomputer supplies oxygen to the first electrode side from the second electrode side via the solid electrolyte layer by applying a predetermined voltage between the pair of electrodes and of the sensor element. Moreover, the microcomputer determines a crack abnormality of the solid electrolyte layer based on electric current between the pair of electrodes which is generated with start of the oxygen supply. | 05-05-2016 |
| 20160202210 | GAS SENSOR CONTROL DEVICE | 07-14-2016 |
