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7602196 |
Method to detect and locate a breach in a roof membrane
A defect in a roof membrane is detected by applying a DC voltage between the roof deck and a perimeter conductor and using a detection probe pair to provide a signal indicative of the differences...
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7550979 |
System and method for measuring conductivity of fluid
A system and related method are provided to calibrate for wire capacitance during use to minimize error in conductivity measurement of the target fluid. The system includes a signal generator...
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7518380 |
Chemical impedance detectors for fluid analyzers
A chemical impedance detector having several electrodes situated on or across a dielectric layer of a substrate. The electrodes may be across or covered with a thin film polymer. Each electrode may...
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7504834 |
Detection system
A detection system for monitoring an engineered structure includes an array of sensors disposable in a predetermined pattern on the engineered structure and disposable between a surface of the...
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7489141 |
Surface micro sensor and method
The present invention provides a micro sensor for monitoring the cleaning and drying processes of surfaces of dielectric films, micro features in porous dielectric films and biologic or other cells...
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7483735 |
Apparatus and method for monitoring body composition by measuring body dielectric constant and body impedance based on the method of frequency digital sampling
A method for measuring dielectric constant of body endermic tissues and body impedance based on the method of frequency digital sampling and for evaluating body composition is provided, inputting...
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7477060 |
Coating impedance monitoring system
A detection system for monitoring an engineered structure includes an array of sensors disposable in a predetermined pattern on the engineered structure and disposable between a surface of the...
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7463040 |
Multifunctional conducting polymer structures
The present invention includes the use of conducting polymers as sensors in distributed sensing systems, as sensors and operating elements in multifunctional devices, and for conducting-polymer...
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7459919 |
Device for checking light-metal parts
A device for checking the coating of anodized light-metal parts (e.g. Aluminum), in particular by TSA anodization, is described. The device has two contact electrodes on respective resilient...
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7459896 |
Electrode configuration for LiMCA
The present invention provides a method and apparatus for reducing electromagnetic noise pick up in a Liquid Metal Cleanliness Analyzer (LiMCA), used to detect and measure particles in molten...
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7456638 |
MEMS based conductivity-temperature-depth sensor for harsh oceanic environment
A MEMS-based silicon CTD sensor for ocean environment is presented. The sensor components are a capacitive conductivity sensor, a gold doped silicon temperature sensor, and a multiple diapghram...
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7414416 |
Electrical condition monitoring method for polymers
An electrical condition monitoring method utilizes measurement of electrical resistivity of an age sensor made of a conductive matrix or composite disposed in a polymeric structure such as an...
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7414408 |
Thin deck water property sensor
A thin deck water property sensor includes a base, an upper lid, a positive and negative probe, an electric connection element, a processing unit and a display unit. The base and the upper lid are...
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7405577 |
Apparatus and method for distinguishing between flat objects
An apparatus and a method for detecting the material of a surface of flat objects on a stack, in particular of objects individually separated from one another in the stack by interlayers,...
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7362110 |
Measurement cell for liquids
A cell for the measurement of resistivity and/or permittivity of a liquid, under variable ac frequency energizing, preferably includes a first set of n+1 metal plates interleaved with a second set...
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7362109 |
Gem tester using electrical photoconductivity
Diamond look-alikes like cubic zirconium, moissanite and other synthetic stones, are distinguishable from nature diamonds based on their thermal and/or electrical conductivities. Germ testers that...
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7352191 |
Sensor assembly and method of forming the same
A sensor assembly includes a sensing element electrically connected to a conductor of a flexible multiconductor cable using a conductive patch, which is electrically connected to the conductor. A...
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7309414 |
Method for measuring localized corrosion rate with a multi-electrode array sensor
A method of measuring localized corrosion, using a multi-electrode array sensor. The method eliminates the effect of internal current in corroded electrodes, and thus provides a more accurate...
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7299682 |
Method and apparatus for estimating basicity of a used, all-loss cylinder lubricant
A method and apparatus for determining the total base number of a used lubricant from an open, all loss, lubricating system. An AC voltage signal is applied between electrodes immersed in the used...
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7295017 |
Method and system for calculating railroad track ballast resistance
A method of estimating a resistance value for ballast, over a given length of track, used at a crossing on a railroad track that has a crossing warning system where a inductance of the track over...
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7262067 |
Method for conductive film quality evaluation
A method for monitoring copper film quality and for evaluating the annealing efficiency of a copper annealing process includes measuring hardness of a copper film formed on a substrate before and...
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7259566 |
Micro sensor system for liquid conductivity, temperature and depth
In accordance with the present invention is a miniature planar oceanographic conductivity, temperature pressure (CTD) system based on a thin film material fabricated on a Liquid Crystalline Polymer...
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7250776 |
System for on-line assessment of the condition of a thermal coating on a turbine vane
Aspects of the invention relate to a system for assessing the condition of a thermal barrier coating on a turbine vane during engine operation. According to embodiments of the invention, one or...
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7239246 |
System and method for detecting water leakage
A 3D liquid detection sensor, liquid-sensitive building material, and liquid detection systems have been provided. The 3D sensor comprises a 3D liquid detection field and an electrical connector to...
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7239155 |
Electrochemical impedance measurement system and method for use thereof
Disclosed is a method and apparatus for an electrochemical impedance measurement, and in particular circuitry and components employed for such measurements. The system employs an injected broadband...
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7235987 |
Sensor device using pair of resistive sensor controlled beat oscillators
A sensor device is disclosed that includes a sensor, in which a resistance value is changed in accordance with a change in an environment of the sensor. The sensor device also includes a beat...
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7183778 |
Apparatus and method to measure fluid resistivity
An apparatus for measuring fluid resistivity includes a flow line adapted to be in fluid communication with formation fluids, wherein the flow line includes a first section comprising a first...
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7180307 |
Coaxial probe
A coaxial probe includes an inner conductor, an outer conductor, and a dielectric interposed between the inner and outer conductors, the top-end portion of the coaxial probe having a substantially...
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7180302 |
Method and system for determining cracks and broken components in armor
A ceramic armor system with built-in conductive circuit attached to a ceramic component. The conductive circuit can be accessed by a user at contacts provided in the system. The circuit is arranged...
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7176692 |
Measuring probe for potentiometric measurements
A measuring probe for potentiometric measurements has a housing ( 2 ) formed of an electrically insulating material that encloses at least one hollow space ( 8, 10 ) containing a half-cell element...
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7148707 |
Non-corrosive conductivity sensor unit for measuring conductivity of a fluid
A conductivity sensor includes a sensor body having an inner surface and an outer surface. A first and a second electrode formed of a solid conducting material are positioned through the inner...
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7148706 |
Embeddable corrosion rate meters for remote monitoring of structures susceptible to corrosion
An embeddable corrosion rate meter (ECRM) for detecting and measuring corrosion in metal and concrete structures is provided. The system comprises an electrochemical cell with at least one working...
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7141982 |
Estimation of leakage rates using voltage measurements
A current is injected in the vicinity of a liquid-containment facility of interest to create a measurable electrical potential field in the ground underlying the site. Voltage is measured at each...
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7132837 |
System and method for measuring conductivity on molecular level
A conductivity measurement system measures conductivity of molecules. A substance to be measured is applied to the first and second electrodes. A potential is applied across the electrodes. A...
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7132831 |
Electrode configuration for resistivity sounding
Device for resistivity soundings on water covered subsurfaces including a Fixed Current Asymmetric Schlumberger electrode configuration with a first and second current electrode and a number of...
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7123031 |
System for on-line assessment of the condition of thermal coating on a turbine vane
Aspects of the invention relate to a system for assessing the condition of a thermal barrier coating on a turbine vane during engine operation. According to embodiments of the invention, one or...
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7123030 |
Method and apparatus for detecting elevator rope degradation using electrical resistance
A method and system for detecting or measuring defects in an elevator rope having electrically conductive tension members, whereby measured electrical resistance in the tension members is...
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7088116 |
Optoelectronic probe
The present invention, referred to as optoelectronic probe, concerns a novel apparatus and method for characterization and micromanipulation of particles or biomolecules in an electrolyte solution....
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7084646 |
Method of detecting a gas bubble in a liquid
A method of detecting a gas bubble in a measuring chamber filled with a liquid. The electrical conductivity of the liquid or a variable derived therefrom is measured in the measuring chamber at a...
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7043372 |
Fluid condition monitoring using broad spectrum impedance spectroscopy
Impedance spectroscopy is used to determine values associated with properties of a substance such as a fluid. In some embodiments, the present invention is applied to engine lubricants. A spectral...
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7009404 |
Method and device for testing the ESD resistance of a semiconductor component
To test the ESD resistance of a semiconductor component, for example of a NOS transistor, which can be used as a PSD protective element in a chip, a direct current characteristic of the...
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7005866 |
Apparatus and process for detecting condensation in a heat exchanger
A feedwater heater for an HRSG is provided with a monitoring unit for detecting the presence of condensation in the feedwater heater. The monitoring unit includes a dielectric band around one of...
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6967489 |
Method and apparatus for controllably effecting samples using two signals
Methods and systems for effecting a parameter and detecting a parameter using two electric signal in a conductive path are described.
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6894511 |
Extracellular recording multiple electrode
A multiple electrode for measuring electro-physiological characteristics of a biological specimen includes a plurality of micro-electrode provided on a first region on a substrate, and a reference...
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6861850 |
Device for measuring the internal resistance of a linear lambda probe
A device for measuring the internal resistance (Ris) of a linear lambda probe (S) of an internal combustion engine is disclosed. The device comprises a voltage amplifier (V 6 ) for amplifying an...
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6859050 |
High frequency contactless heating with temperature and/or conductivity monitoring
Devices and methods for contactless heating of a fluid in a chamber using a high frequency alternating potential are described. At least two electrodes are coupled to the chamber such that the...
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6859049 |
Diagnostic complex for measurement of the condition of biological tissues and liquids
Assembly kit for an apparatus and a method for simultaneously obtaining biological sample and measuring its electrical resistance at at least two different frequencies for diagnosis of sample...
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6856147 |
Resistive load measurement system
An improved system for determining the value of a resistive load is provided. The system includes: a reference voltage source; a reference resistor of known value having a first and second...
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6854322 |
Directional coupler sensor
A directional coupler sensor is provided for measuring the moisture content of a substrate, such as hair. The sensor incorporates a high frequency directional coupler having a pair of generally...
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6850077 |
Method for measuring a characteristic of a conductive target material using a proximity probe
A digital eddy current proximity system including a digital impedance measuring device for digitally measuring the proximity probes impedance correlative to displacement motion and position of a...
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