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Class 324/71.1 - DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES


Subclass of Class 324 - Electricity: measuring and testing
Definition: Subject matter for determining a nonelectric property by
No. of patents: 696
Last issue date: 03/20/2012


1                      
NumberTitleIssue Date
8138746Physical properties detection device and physical properties detection method
A physical properties detection device comprising a probe to be placed near or touching a surface of a ferroelectric; an oscillation loop including the probe and capacitance within the ferroelectric; and detection means for detecting a physical properties of the fer...
03/20/2012
8089263Device for measuring the streaming potential of fibers and particles in suspensions
A device for measuring the streaming potential of fibers and particles in suspensions, in particular a device for determining the zeta-potential of the particles of aqueous suspensions containing fibers and particles, by measuring the streaming potential, and by sub...
01/03/2012
8076924Substance identification and location method and system
This invention relates to a method and system for remote detection of a targeted substance by the appropriate application of a probing signal that induces molecular resonance in the target substance to create an identifiable signature or response. In the preferred e...
12/13/2011
7982451Sensing instrument
In adopting a structure in which an oscillator circuit unit and an instrument main body including a measuring unit are separately formed in a sensing instrument measuring the concentration of or determining the presence/absence of a substance to be sensed by using a...
07/19/2011
7872465Apparatus and methods for evaluating material volatility
A method of evaluating material volatility characteristics. A pulse of current flux is delivered through a material sample to simulate a lightning strike. A pressure produced by the sample during the pulse is measured. The measured pressure is used to measure volati...
01/18/2011
7839134Method and apparatus for simultaneously detecting size and concentration of ionic material
A method for simultaneously detecting a size and concentration of ionic materials includes measuring voltage drop values of at least three ionic materials of which sizes and concentrations are known using each of at least two FET-based sensors having different elect...
11/23/2010
7825648Substance identification and location method and system
This invention relates to a method and system for remote detection of a targeted substance by the appropriate application of a probing signal that induces molecular resonance in the target substance to create an identifiable signature or response. In the preferred e...
11/02/2010
7821247System and method for measuring electric current in a pipeline
A system for measuring a voltage differential in a current-carrying pipe using a propulsion vehicle for conveying the system inside the pipe, the system including a first contact for maintaining electrical contact with the pipe as the vehicle moves through the pipe;...
10/26/2010
7808227Systems and methods for detecting impurities in reactor systems
The present invention is directed to various methods and systems for detecting at least one impurity in a bulk fluid. In certain embodiments, the methods are performed in conjunction with a polymerization reactor system such as a gas-phase reactor system. ...
10/05/2010
7759924Cascaded MOSFET embedded multi-input microcantilever
A sensor for detecting mechanical perturbations represented by a change in an electrical signal includes a structure such as a cantilever, membrane, etc. and a field effect transistor such as a MOSFET embedded in the structure. The drain current of the embedded tran...
07/20/2010
7683601Digital acquisition device for an amplitude modulation signal
The invention relates to a digital acquisition device for an amplitude modulation signal of a carrier. The acquisition device digitally acquires a useful signal. The useful signal modulates the amplitude of a carrier HF1 which has a frequency and a phase that...
03/23/2010
7663357Signal readout circuit for amperometric sensor
A signal readout circuit for amperometric sensor for reading a readout signal of a sensor includes an amplifier, a first transistor, a second transistor, and a first resistor. A negative input end of the amplifier receives an input voltage, and a positive input end ...
02/16/2010
7646190Stress measurement device and stress measurement method
A stress measurement device includes a current supply portion; a series circuit which is connected to the current supply portion and has a piezoresistive element that forms a single gauge resistance and a compensating diode that is connected in series to the piezore...
01/12/2010
7619403Method for electrically detecting motion of nonpolar composite molecule by utilizing nonuniform electric field
The conventional dielectric measurement method utilizes an interaction between a uniform electric field and a dipole moment, and hence a motion of nonpolar molecules without the dipole moments cannot be detected. It is an object of the present invention to provide a...
11/17/2009
7579823Thin film sensor
An electrically operated, particle detecting, or characterizing, sensor structured as a thin film multilayer sandwich. Three or more electrodes are deposited onto thin layers of film, and stacked to form the sandwich. A representative stacking arrangement provides a...
08/25/2009
7570042Method for evaluating the effect of an electric discharge on a composite material
The present invention relates to a method for evaluating the effect of an electric discharge on an aircraft structure through the evaluation of the damage caused by the effect of the thermal heating generated by the mentioned discharge on the structure, including th...
08/04/2009
7525298Implantable sensor electrodes and electronic circuitry
An electronic circuit for sensing an output of a sensor having at least one electrode pair and circuitry for obtaining and processing the sensor output. The electrode pair may be laid out such that one electrode is wrapped around the other electrode in a U-shaped fa...
04/28/2009
7477049Method for controlling the quality of the coolant for fuel cell systems
A method for controlling the quality of the coolant for fuel cell systems, it being proposed to measure and monitor the insulation resistance of the load circuit of the fuel cell system. It has become apparent that there is a functional, uniquely defined relationshi...
01/13/2009
7453254Microstructured chemical sensor
A chemical sensor has a substrate, a first metallization plane on the substrate, an electrode structure formed in the first metallization plane, a passivation layer applied to the first metallization plane and formed with contact holes, a sensitive ceramic layer on ...
11/18/2008
7417418Thin film sensor
An electrically operated, particle detecting, or characterizing, sensor structured as a thin film multilayer sandwich. Three or more electrodes are deposited onto thin layers of film, and stacked to form the sandwich. A representative stacking arrangement provides a...
08/26/2008
7417417Spill-resistant beverage container with detection and notification indicator
A spill-resistant beverage container having a liquid freshness detector and notification device is described. The spill-resistant beverage container is comprised of cup, a beverage temperature sensor, a processing electronic circuit and a display device. The tempera...
08/26/2008
7414416Electrical 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 electrical cable. The conductive matrix comprises a base polymer and condu...
08/19/2008
7405577Apparatus 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, preferably of printing plates. The object is to reliably detect the material o...
07/29/2008
7397232Coulter counter having a plurality of channels
The present invention generally relates to a method for rapidly counting micron and/or submicron particles by passing such particles through any of a plurality of orifices simultaneously with an ion current and measuring the signal generated thereby. The present inv...
07/08/2008
7394263Sensor arrangement with a plurality of potentiometric sensors
The sensor arrangement includes: a least two sample chambers; at least two potentiometric FET-sensors, especially ISFET-sensors or ChemFET-sensors, having, in each case, a sensitive surface section, wherein each sensitive surface section lies in flow connection with...
07/01/2008
7385381Sensor manufacture with data storage
A biometric sensing device includes a sensor manufacture for sensing a biometric stimulus. The sensor manufacture is also configured to persistently store data electronically, such as security data. ...
06/10/2008
7372942Medical imaging system with dosimetry for estimating circuit board life
A dosimeter is provided on or adjacent to a circuit board deployed in a radiation environment. The dosimeter may be read or output a value or values indicating radiation dosage over a period of time. The radiation dosage associated with the circuit board may be used...
05/13/2008
7368827Electrical assembly for monitoring conditions in a combustion turbine operating environment
An electrical assembly for use in various operating environments such as a casing of a combustion turbine 10 is provided. The assembly may include an electrical energy-harvesting device 51 disposed in a component within the casing of the turbine to con...
05/06/2008
7369145Method and apparatus for controlling the uniformity of print density of a thermal print head array
A method for controlling the print density of individual heating elements of a thermal print head array determines respective energy values for each heating element in response to image pixel data to be printed, multiplies determined energy values by a respective pr...
05/06/2008
7362109Gem 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 are on the market are capable of evaluating these two parameters as i...
04/22/2008
7355416Measurement of cable quality by power over ethernet
A method of determining impedance comprising: supplying power to a powered device from a power sourcing equipment at a first current limited level, Ilim1; measuring, at a plurality of times a voltage associated with the output of the power sourcing equipm...
04/08/2008
7351221Container for agitating and injecting a multi-component medium
A system for dispensing a medium includes at least a first container to hold the medium, a pressurizing device, such as a pump, in fluid connection with the container for pressurizing the medium, and an agitation mechanism or device to maintain the components of the...
04/01/2008
7335526Sensing system
A ChemFET Sensing system is Described. ...
02/26/2008
7332902Micro sensor for electrochemically monitoring residue in micro channels
The present invention provides a micro sensor for monitoring the cleaning and drying processes for very high aspect ratio micro channels in dielectric films oriented parallel to the fluid-solid interface during the manufacture of ICs, MEMS and other micro-devices. T...
02/19/2008
7327132Testing procedure for evaluating diffusion and leakage currents in insulators
A method for predicting long-term electrical insulation properties of composite materials in a moist environment. The method including the steps of providing a specimen, and testing the specimen to determine moisture content values and leakage current values at pred...
02/05/2008
7323858Method for measuring pressure
A method used to measure pressure in an area which is closed by an solenoid valve (106) performs the following steps: applying voltage to the solenoid valve (106), determining the peak of a curve of the flowing current based on voltage and determining ...
01/29/2008
7317308System and method for measuring electric current in a pipeline
A system for measuring a voltage differential in a current-carrying pipe using a propulsion vehicle for conveying the system inside the pipe. The system includes a first contact for maintaining electrical contact with the pipe as the vehicle moves through the pipe, ...
01/08/2008
7309414Method 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 corrosion measurement. In one embodiment, the potential of a common node o...
12/18/2007
7307409Transportable measuring probe, measuring system, process for determining measurement values, and use of the measuring system
A transportable measuring probe is provided having a transmitting and receiving module for wireless transmission of information, wherein the transmitting and receiving module is suitable for detection and transmission of positional data of the measuring probe to an ...
12/11/2007
7301286Method of detecting an arc in a glow-discharge device and apparatus for controlling a high-frequency arc discharge
In a method of detecting arc discharge in a glow-discharge apparatus GD that has a high-frequency power source PS, a cutting pulse is output for time T1 to the high-frequency power source PS to stop a supply of power to the glow-discharge apparatus GD, when dVr/dtâˆ...
11/27/2007
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