| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 324439000 | Using a conductivity determining device | 35 |
| 20090027056 | Battery performance monitor - Improvements both in the methods whereby existing techniques for determining the condition of a battery are communicated to a user (for example, to the owner of a private vehicle, or to the service manager of a fleet of vehicles), or the vehicle's operating system, and in the methods for evaluating the condition of the battery are disclosed. It has been discovered by the inventors that the difference in internal resistance of a fully charged battery as measured during charging and as measured after charging is greater for a battery in poor condition than for a new battery. The invention relates in part to instruments and corresponding methods for evaluating the condition of a battery utilizing this discovery. | 01-29-2009 |
| 20090033333 | APPARATUS AND METHOD FOR MEASURING PARAMETERS ASSOCIATED WITH ELECTROCHEMICAL PROCESSES - This invention is directed to devices, apparatus, systems and methods for non-invasive sensing of activities occurring within an entity such as an organism. The method comprises sensing at least one characteristic of a current source from under the surface of the entity over a period of time; conveying at least one electrical signal corresponding to the at least one characteristic to an electrolytic cell so as to induce an electrolytic reaction over the period of time; and measuring at least one electrical output of the electrolytic reaction so as to sense at least one activity within the entity over the period of time. | 02-05-2009 |
| 20110025338 | Monitoring of electroplating additives - The working electrode in the flow channel of a flow-through electrolytic detection cell is preconditioned by flowing a preconditioning electroplating solution with preconditioner species through the flow channel while applying a negative potential. Flow of liquid through the flow channel is rapidly switched from preconditioning solution to a target solution containing an organic target solute to be measured. The transient response of the system resulting from exposure of the working electrode to organic target solute is detected by measuring current density during an initial transient time period. An unknown concentration of target solute is determined by comparing the transient response with one or more transient responses characteristic of known concentrations. A preferred measuring system is operable to switch flow from preconditioning solution to target solution in about 200 milliseconds or less. | 02-03-2011 |
| 20120293181 | BIOCHEMICAL MEASURING DEVICE - The invention provides a biochemical measuring device including: a measuring unit configured to measure a base current and a peak current; a time counting unit configured to count an elapsed time from the contact of a sensor electrode to a reference solution until the start of measurement of the base current; and a control unit, wherein the control unit acquires a concentration of a specific substance using the base current value when the elapsed time is equal to or longer than a stationarizing time, and when it is shorter than the stationarizing time, acquires the concentration of the specific substance using the stationary base current value measured by the measuring unit when the elapsed time is shorter than the stationarizing time instead of the current value of the base current. | 11-22-2012 |
| 20130057295 | MODULAR DEVICE TO MEASURE IONIC, ELECTRONIC AND MIXED CONDUCTIVITY IN POLYMERIC AND CERAMIC MEMBRANES - This invention consists in a device and a method to determine the ionic, electronic and mixed (electronic-ionic) conductivity in polymer, ceramic and composite (polymeric-ceramic) membranes. The invention device may work from room temperature to 300° C. and the method includes the collection and analysis of electrochemical impedance spectra during cell operation. | 03-07-2013 |
| 20130069663 | Crack Detection in Ceramics Using Electrical Conductors - Various embodiments provide methods and systems for detecting cracks in ceramic electrolytes using electrical conductors. A method for testing an electrolyte material, such as a ceramic electrolyte material for use in a solid oxide fuel cell device, includes providing a conductive path on the electrolyte material, electrically connecting a probe across the conductive path, and measuring a value associated with the conductive path to determine the presence or absence of a crack in the material. | 03-21-2013 |
| 20130241568 | RESISTANCE MEASUREMENT FOR BATTERY CELLS - A power supply is disclosed that is configured for installation in a motor vehicle. The power supply comprises an energy source and a system for accurately measuring the internal resistance of the energy source during the operation of the power supply, without a distortion that would normally result from discharge of the energy storage device. | 09-19-2013 |
| 20130271149 | SYSTEM AND METHOD FOR MONITORING AMMONIUM BISULFIDE - Systems and methods relate to measuring ammonium bisulfide concentration in a fluid sample. The system includes an electrolytic conductivity cell, a temperature sensor and an analyzer. Logic of the analyzer determines the ammonium bisulfide concentration based on signals received from the conductivity cell and the temperature sensor that are coupled to monitor the fluid. | 10-17-2013 |
| 20150042352 | GENERATION AND ANALYSIS OF CHEMICAL COMPOUND LIBRARIES - Various samples are generated on a substrate. The samples each includes or consists of one or more analytes. In some instances, the samples are generated through the use of gels or through vapor deposition techniques. The samples are used in an instrument for screening large numbers of analytes by locating the samples between a working electrode and a counter electrode assembly. The instrument also includes one or more light sources for illuminating each of the samples. The instrument is configured to measure the photocurrent formed through a sample as a result of the illumination of the sample. | 02-12-2015 |
| 20150300970 | ELECTROPLATING BATH ANALYSIS - Electrochemical impedance spectroscopy is used to determine the amount of organic additive in a metal electroplating bath. | 10-22-2015 |
| 20160077033 | CRACK DETECTION IN CERAMICS USING ELECTRICAL CONDUCTORS - Various embodiments provide methods and systems for detecting cracks in ceramic electrolytes using electrical conductors. A method for testing an electrolyte material, such as a ceramic electrolyte material for use in a solid oxide fuel cell device, includes providing a conductive path on the electrolyte material, electrically connecting a probe across the conductive path, and measuring a value associated with the conductive path to determine the presence or absence of a crack in the material. | 03-17-2016 |
| 20160123921 | MULTICHANNEL POTENTIOSTAT ANALYZER SYSTEM AND METHODS - The present disclosure outlines a device having a multi-channel potentiostat circuit and a microcontroller for controlling the multi-channel potentiostat circuit. The multi-channel potentiostat circuit includes a counter electrode, a reference electrode, and a first switch between the counter electrode and the reference electrode. The multi-channel potentiostat circuit also includes a plurality of measurement circuits coupled to respective second switches. The microcontroller can configured to provide a first signal to the multi-channel potentiostat circuit to control the first switch, wherein a state of the first switch changes an operating mode of the multi-channel potentiostat circuit. The microcontroller is also configured to provide a second signal to the multi-channel potentiostat circuit to control at least one of the second switches to couple at least one of the plurality of measurement circuits to a working electrode. | 05-05-2016 |
| 20160153931 | MOLECULAR RECEPTOR-BASED CHEMICAL FIELD-EFFECT TRANSISTOR (CHEMFET) DEVICES, SYSTEMS, AND METHODS FOR IN-SITU NITRATE MONITORING IN FIELD SOILS | 06-02-2016 |
| 324441000 | Which includes a temperature responsive element | 2 |
| 20110140704 | ELECTRONIC SALT METER - An electronic salt meter including a sensor rod, salt meter body and receiving components to measure a temperature and salinity. The electronic salt meter includes a first and sensor electrode and a temperature sensor to detect a temperature of the measurement object. A measurement monitoring unit detects whether the first and second sensor electrodes are electrically connected to each other. A salinity measurement unit applies an AC power to the first and second sensor electrodes to measure salinity of the measurement object. A temperature measurement unit applies a power to the temperature sensor to measure the temperature of the measurement object. A thermal equilibrium detection unit stores the temperature value previously measured, and when the temperature variation is less than a predetermined threshold, it is determined as a thermal equilibrium state. A room-temperature salinity conversion unit converts the salinity value into a salinity value at room temperature. | 06-16-2011 |
| 20160377565 | METHOD AND SYSTEM FOR ON-LINE MONITORING ELECTROLYTIC CAPACITOR CONDITION - A method for on-line monitoring an electrolytic capacitor condition comprising: measuring a voltage ripple across the electrolytic capacitor and the current ripple flowing through the electrolytic capacitor; measuring the temperature of the electrolytic capacitor; emulating the monitored electrolytic capacitor using a capacitor model comprising a capacitor and a solid state adjustable resistor, applying one of the measured ripple to the capacitor model, adjusting the solid state adjustable resistor to minimize the error between an estimated ripple provided by the capacitor model and the other measured ripple not applied to the capacitor model, and estimating an equivalent series resistance of the monitored electrolytic capacitor using value of the solid state adjustable resistor. | 12-29-2016 |
| 324444000 | Which includes current and voltage electrodes | 9 |
| 20090039893 | Electrolyte measurement device and measurement procedure - A method for measuring the through-thickness resistance or conductance of a thin electrolyte is provided. The method includes positioning a first source electrode on a first side of an electrolyte to be tested, and positioning a second source electrode on a second side of the electrolyte, wherein the second side is opposite the first side and wherein the first and second source electrodes partially overlap. The method further includes positioning a first sense electrode, corresponding to the first source electrode, on the second side of the electrolyte, wherein the first sense electrode is positioned such that it is in contact with the second side of the electrolyte directly opposite a non-overlapping portion of the first source electrode and is not in direct physical or electrical contact with the second source electrode. The present method also includes positioning a second sense electrode, corresponding to the second source electrode, on the first side of the electrolyte, wherein the second sense electrode is positioned such that it is in contact with the first side of the electrolyte directly opposite a non-overlapping portion of the second source electrode and is not in direct physical or electrical contact with the first source electrode. After the positioning steps, the method further includes passing a current between the first and second source electrodes; and measuring the voltage between the first and second sense electrodes. | 02-12-2009 |
| 20090066339 | Assay Cartridges and Methods of Using the Same - Assay modules, preferably assay cartridges, are described as are reader apparatuses which may be used to control aspects of module operation. The modules preferably comprise a detection chamber with integrated electrodes that may be used for carrying out electrode induced luminescence measurements. Methods are described for immobilizing assay reagents in a controlled fashion on these electrodes and other surfaces. Assay modules and cartridges are also described that have a detection chamber, preferably having integrated electrodes, and other fluidic components which may include sample chambers, waste chambers, conduits, vents, bubble traps, reagent chambers, dry reagent pill zones and the like. In certain preferred embodiments, these modules are adapted to receive and analyze a sample collected on an applicator stick. | 03-12-2009 |
| 20090302857 | Hydrogen Gas Sensor - The object of the present invention is to provide a hydrogen gas sensor that may suffer less influences from the environmental space as well as exercise less influence to the environmental space. The hydrogen gas sensor | 12-10-2009 |
| 20090322341 | SYSTEM AND METHOD OF PROCESSING A CURRENT SAMPLE FOR CALCULATING A GLUCOSE CONCENTRATION - A system and method of processing a test current for an analyte measurement in a fluid using a test strip and a test meter are disclosed. The method comprises sampling the test current at a pre-determined sampling rate to acquire a plurality of A/D conversions. The method also comprises filtering out at least a highest magnitude A/D conversion and a lowest magnitude A/D conversion leaving a plurality of accepted A/D conversions. Further, the method comprises calculating an average or a summation of the plurality of accepted A/D conversions and converting the average or the summation into a glucose concentration. | 12-31-2009 |
| 20100156426 | APPARATUS AND METHOD FOR SENSING LEAKAGE CURRENT OF BATTERY, AND BATTERY-DRIVEN APPARATUS AND BATTERY PACK COMPRISING THE APPARATUS - An apparatus for sensing a leakage current of a battery comprises a floating capacitor charged with a voltage detected from a cathode or anode terminal of a battery; a terminal selection switching unit for selecting a voltage detection path for the cathode or anode terminal; a charge switching unit for charging the floating capacitor with a detection voltage of the cathode or anode terminal, detected through the selected voltage detection path; a polarity reverse switching unit for reversing a polarity of the detection voltage of the anode terminal charged to the floating capacitor; and a leakage current determining unit for sensing the detection voltage of the cathode terminal charged to the floating capacitor and the polarity-reversed detection voltage of the anode terminal charged to the floating capacitor to calculate a leakage resistance, and comparing the calculated leakage resistance with a criterion insulation resistance to determine whether a leakage current occurs. | 06-24-2010 |
| 20100259271 | METHOD FOR MEASUREMENT OF CONTENT OF WATER OR ORGANIC ACID IN POLAR ORGANIC SOLVENT, AND APPARATUS FOR THE METHOD - Disclosed are a measurement method and a measurement apparatus both of which can measure the content of water or an organic acid in a polar organic solvent with high accuracy even when water or the organic acid is contained in the polar organic solvent at a low content. The content of water or an organic acid in a polar organic solvent can be measured by using, as a work electrode, an ISFET electrode in which a thin film comprising an oxide or nitride of a metal or metalloid element belonging to Groups 3 to 15 is formed on a gate. | 10-14-2010 |
| 20110018543 | ELECTROCHEMICAL CELL FOR EIS - The invention is directed to an electrochemical cell for electrochemical impedance spectroscopy, the use thereof, an electrochemical impedance spectroscopy method, and the use of a flexible magnet. The electrochemical cell of the invention comprises—a housing defining a space comprising an electrolyte, a counter electrode and optionally a reference electrode, wherein said counter electrode and said reference electrode are arranged to be in electrical contact with said electrolyte during use; —an opening in said housing allowing the electrolyte to be in electrical contact with a substrate; and—a flexible magnet for attaching said electrochemical cell to said substrate. The EIS method of the invention comprises—attaching an electrochemical cell according to invention to said substrate substrate; —filling said electrochemical cell with electrolyte, such that said counter electrode and said reference electrode are immersed in said electrolyte; and—measuring the impedance of said substrate. | 01-27-2011 |
| 20110279125 | FET Nanopore Sensor - A method of using a sensor comprising a field effect transistor (FET) embedded in a nanopore includes placing the sensor in an electrolyte comprising at least one of biomolecules and deoxyribonucleic acid (DNA); placing an electrode in the electrolyte; applying a gate voltage in the sub-threshold regime to the electrode; applying a drain voltage to a drain of the FET; applying a source voltage to a source of the FET; detecting a change in a drain current in the sensor in response to the at least one of biomolecules and DNA passing through the nanopore. | 11-17-2011 |
| 20140327446 | FET Nanopore Sensor - A method of using a sensor comprising a field effect transistor (FET) embedded in a nanopore includes placing the sensor in an electrolyte comprising at least one of biomolecules and deoxyribonucleic acid (DNA); placing an electrode in the electrolyte; applying a gate voltage in the sub-threshold regime to the electrode; applying a drain voltage to a drain of the FET; applying a source voltage to a source of the FET; detecting a change in a drain current in the sensor in response to the at least one of biomolecules and DNA passing through the nanopore. | 11-06-2014 |
| 324445000 | Having inductance probe structure | 3 |
| 20080258735 | Non-Metallic Flow-Through Electrodeless Conductivity Sensor and Leak Detector - A non metallic flow through electrodeless conductivity sensor is provided with a conduit having primary and secondary process fluid flowpaths to form a fluid loop. At least one drive and one sense toroid surround the conduit on the fluid loop. Voltage supplied to the drive toroid induces a current in the sense toroid via the fluid loop to eliminate any need for metallic electrodes in contact with the process fluid. At least one additional drive and/or sense toroid is disposed on the fluid loop to enhance induction. Optionally one or more sense coils are disposed about the conduit outside of the fluid loop to cancel out stray electrical noise. An optional conductor disposed along the conduit detects any fluid leakage through changes in resistance thereof. | 10-23-2008 |
| 20100148789 | System for Measuring the Electric Potential of a Voltage Source - A non-invasive measurement system ( | 06-17-2010 |
| 20100156427 | Non-Metallic Flow-Through Electrodeless Conductivity Sensor and Leak Detector - A non metallic flow through electrodeless conductivity sensor is provided with a conduit having primary and secondary process fluid flowpaths to form a fluid loop. At least one drive and one sense toroid surround the conduit on the fluid loop. Voltage supplied to the drive toroid induces a current in the sense toroid via the fluid loop to eliminate any need for metallic electrodes in contact with the process fluid. At least one additional drive and/or sense toroid is disposed on the fluid loop to enhance induction. Optionally one or more sense coils are disposed about the conduit outside of the fluid loop to cancel out stray electrical noise. An optional conductor disposed along the conduit detects any fluid leakage through changes in resistance thereof. | 06-24-2010 |
| 324446000 | Having conductance probe structure | 6 |
| 20080246489 | Measuring Device For Impedance Spectroscopy and Associated Measuring Method - The invention relates to a measuring device and a measuring method for investigating particles which are suspended in a carrier liquid, including several measuring electrodes for carrying out electrical measuring of the particles. It is proposed that during electrical measuring, the particles be fixed in a field cage ( | 10-09-2008 |
| 20120242345 | CONTROLLED ELECTROCHEMICAL ACTIVATION OF CARBON-BASED ELECTRODES - Certain embodiments of the present application describe a process to perform activation of carbon based electrodes in a controlled manner, where the degree of activation is monitored and calculated simultaneously with the ongoing activation process. Such an approach is intended to improve the reproducibility of electrodes that may include, but are not limited to, the following parameters: electrochemical capacitance, electrochemical transfer coefficient, amperiometric response to enzymatic reactions. | 09-27-2012 |
| 20150377815 | NANOTUBE SENSORS FOR CONDUCTING SOLUTIONS - Sensors for detecting at least one electrolyte in a conductive solution are described. The sensors may include a dielectric substrate and a resonator having a resonance characteristic and configured to generate a signal in response to an interrogation signal. The resonator may include a conductive layer in contact with the dielectric substrate, at least one layer of nanotubes provided on the conductive layer, and a dielectric layer at least partially encapsulating the nanotubes. | 12-31-2015 |
| 20160153925 | Sensor and method for manufacturing the sensor | 06-02-2016 |
| 324448000 | With concentric electrodes | 1 |
| 20090072835 | SENSOR DEVICE FOR CONDUCTIVITY MEASUREMENT AND METHOD FOR ITS OPERATION - A sensor device for insertion into a water channel in a washing machine is provided with two electrodes as sensors on a sensor carrier. These electrodes are in direct contact with the water through apertures. The electrodes are connected to a transformer on the sensor carrier directly and without any further components or couplings being required. The other side of the transformer is connected to an activating and evaluating means, in particular to a microprocessor positioned on the same carrier. | 03-19-2009 |
| 324449000 | With axially arranged electrodes | 1 |
| 20100308837 | Test Strip Coding and Quality Measurement - A test strip and analytical apparatus have pin connections permitting the definition of geographic regions or of particular customers. A test strip made for use in a particular region or for a particular customer will have pin connections matching features of the apparatus made for use in that region or by that customer. Insertion of the strip into the apparatus does not merely turn on the apparatus, but provides the regional or customer coding. Analog switches within the apparatus allow coding of a larger number of distinct regions or customers than would otherwise be possible, all without degrading the quality of the measurements made of the fluid being tested. Conductive paths in the strips permit testing the strips during manufacture so as to detect quality lapses regarding the printing or deposition of the paths. | 12-09-2010 |
| 324450000 | Which includes particular cell container structure | 2 |
| 20110309841 | Sensor System - A modular sensor system for continuous measurement of analytes in continuous flow has a fluidic module, a sensor module, an optional reference module, and a cover part which are stacked on top of each other and firmly connected with each other so as to be releasable. The fluidic module includes a fluid duct having an inlet and an outlet. The sensor module includes a sensor compartment which has at least one sensor and is in fluid communication with the fluid duct of the fluidic module. The optional reference module is in fluid communication with the fluid duct of the fluidic module by means of a diaphragm. The cover part seals the sensor module or the reference module. | 12-22-2011 |
| 20150362420 | SYSTEMS FOR SINGLE OR MULTIPLE CELL COUNTING AND DISPENSING - The present invention provides methods, device, assemblies, and systems for counting and dispensing single or multiple cells (e.g., into the open wells of a multi-well testing device). In certain embodiments, the systems comprise: a) a fluid movement component composed of upstream and downstream electrode conduits connected to a non-conductive conduit, and b) an electronic signal detector electrically linked to the upstream and downstream electrode conduits such that, when a fluid is present in the fluid movement component, an electrical circuit is established that is altered when a cell passes through the non-conductive conduit. In other embodiments, the systems comprises a) a fluid movement component composed of an upstream electrode conduit connected to a non-conductive conduit, b) an in-well electrode, and c) an electronic signal detector electrically linked to the upstream electrode conduit and the in-well electrode. | 12-17-2015 |
