Entries |
Document | Title | Date |
20080201090 | Method of evaluating characteristic of magnetic head - In the method of evaluating a characteristic of a magnetic head, a failure of a measuring equipment can be detected without stopping shipment of magnetic heads which have been previously evaluated, reevaluating the magnetic heads and stopping the measuring operations. The method of evaluating characteristics of the magnetic head comprises the steps of: storing measured data, which are a prescribed characteristic of the magnetic head measured by a measuring equipment, in storing means; detecting if the measuring equipment is failed or not on the basis of the measured data; and evaluating characteristics of the magnetic head when a failure of the measuring equipment is not detected in the detecting step. | 08-21-2008 |
20080208489 | Electric Power Quality Indicator Device and Method - A system and method of indicating power quality in an electric power system that generates an indication of power quality reflective of the worst observed power quality event over both a short and a long interval of time in which each component of the indicator is weighted by a user programmable factor to control its relative influence. | 08-28-2008 |
20080215260 | Charged Particle Beam Apparatus - An object of the present invention is to provide a synthesized signal forming method and an apparatus thereof for realizing both noise reduction and dosage reduction when synthesizing signals detected based on scans performed on a charged particle beam. In order to achieve the above object, with a method that synthesizes signals detected based on a plurality of scans performed on a charged particle beam to form a synthesized signal, a multiplication is performed among a plurality of signals obtained by the plurality of scans and, at the same time, for a multiplied signal, a calculation is performed in which an inverse of the number of previous scans is used as an exponent. | 09-04-2008 |
20080228414 | SEMICONDUCTOR DEVICE - The present invention provides a semiconductor device capable of realizing power saving and improvement in reliability or reduction in area. A semiconductor device includes: a power switch connecting an internal power supply in which power is not shut down and an internal power supply in which power is shut down; and an internal voltage determining circuit for determining voltage of the internal power supply in which power is shut down. Voltage of the internal power supply in which power is shut down is generated from voltage of an external power supply by using a regulator circuit. When the power of the internal power supply is interrupted, the power switch is turned off, the regulator circuit is turned off, and an output of the regulator circuit is shorted to a ground potential. When the power of the internal power supply is resumed, the regulator circuit is turned on, shorting is cancelled, the increased voltage of the internal power supply is determined by the internal voltage determining circuit, operation of a circuit block is started, and the switch is turned on. | 09-18-2008 |
20080255779 | Methods of detecting anomalies in ambient alternating current fields - Methods of detecting anomalies in ambient alternating current (AC) fields are provided. An exemplary embodiment of such a method includes the steps of placing an AC field sensor in an ambient AC field, generating a signal representative of the ambient AC field received by the sensor, and processing the signal to determine if the ambient AC field includes any anomalies. Various applications for the methods are also provided. | 10-16-2008 |
20080262758 | VERIFYING AN ACCURACY OF A STATE ESTIMATION - The present disclosure is concerned with the reduction of an operational security margin of a power system without jeopardizing the safety of the power system or incurring heavy investments. According to the disclosure, a check for basic accuracy or correctness of a conventional State Estimation (SE) procedure allows to increase a level of confidence in the results of the procedure. To this end, an accuracy of the estimated states is verified by comparing the latter with the results (y, y′) of independent phasor measurements performed at selected locations of the power system. Unless a discrepancy is reported by this comparison, the results of the SE can be assumed to be sufficiently accurate, and any conservative or additional security margin intended to compensate for SE uncertainty can be relaxed. Hence, established trustworthiness in the estimated states allows increasing the transmitted power where the estimated states do indicate such a possibility, i.e. in particular in fringe areas and/or transmission corridors between countries, and especially under stressed network conditions. | 10-23-2008 |
20080270048 | METHOD AND APPARATUS FOR MODIFYING INTERACTIONS BETWEEN AN ELECTRICAL GENERATOR AND A NONLINEAR LOAD - A method and apparatus for modifying interactions between an electrical generator and a nonlinear load is described. One illustrative embodiment receives a main control signal at a control input of an engine of the electrical generator, the main control signal controlling at least one of output power, output current, and output voltage delivered by the electrical generator to the nonlinear load, the engine being one of a power amplifier and a converter; measures the impedance of the nonlinear load; and feeds to the electrical generator a compensation signal corresponding to the measured impedance, the compensation signal rendering a transfer function of the output power of the electrical generator with respect to the main control signal substantially insensitive to variations in the impedance of the nonlinear load to stabilize the output power of the electrical generator. | 10-30-2008 |
20080288188 | Structure and Method for Monitoring Variation Within an Active Region of a Semiconductor Device Using Scaling - A semiconductor wafer is provided with one or more parameter scaling metric (PSM) groupings. Each PSM grouping includes a first device having a known active region geometry and further includes a set of one or more devices having active region geometry dimensions in a known relationship with the active region geometry of the first device. One or more parameter scaling metrics are calculated using measured values of one or more active region parameters of interest. The parameter scaling metric(s) can be used to quantify the stability and uniformity of a fabrication process used to make the semiconductor wafer. | 11-20-2008 |
20080294357 | RISK ASSESSMENT OF METAL VAPOR ARCING - A method for assessing metal vapor arcing risk for a component is provided. The method comprises acquiring a s current variable value associated with an operation of the component; comparing the current variable value with a threshold value for the variable; evaluating compared variable data to determine the metal vapor arcing risk in the component; and generating a risk assessment status for the component. | 11-27-2008 |
20080294358 | IMPEDANCE-ESTIMATION METHODS, MODELING METHODS, ARTICLES OF MANUFACTURE, IMPEDANCE-MODELING DEVICES, AND ESTIMATED-IMPEDANCE MONITORING SYSTEMS - An impedance estimation method includes measuring three or more impedances of an object having a periphery using three or more probes coupled to the periphery. The three or more impedance measurements are made at a first frequency. Three or more additional impedance measurements of the object are made using the three or more probes. The three or more additional impedance measurements are made at a second frequency different from the first frequency. An impedance of the object at a point within the periphery is estimated based on the impedance measurements and the additional impedance measurements. | 11-27-2008 |
20090006009 | METHOD AND SYSTEM FOR IMPROVING TARGET LOCALIZATION AND CHARACTERIZATION - A method for determining a location and characterization of an object using a magnetic gradient tensor measurement of the object is provided. The method includes determining an object magnetic field candidate predicted from one of an object measured magnetic field gradient and an assumed object magnetic moment magnitude, and determining an object vector location and an object vector magnetic moment by combining the object magnetic field candidate with an object measured magnetic field. | 01-01-2009 |
20090006010 | Method and System for Remote Monitoring and Control of Wireless Cell-Sites - A method and system for remotely monitoring and controlling one or more cell-sites are disclosed. In one embodiment, the method includes (a) receiving data indicative of a status of at least one battery of at least one cell-site at a remote processing device, where the status relates to at least one of a voltage status, a conductance status, and a temperature status. Additionally, the method includes (b) processing the data at the processing device, and (c) determining at least one further action that should be taken by the at least one cell-site in response to the data. Further, the method includes (d) sending from the processing device at least one control signal to the at least one cell-site configured to cause the at least one cell-site to take the at least one further action. Also, in other embodiments, the method involves remote monitoring and controlling of devices other than batteries. | 01-01-2009 |
20090006011 | Electromagnetic Field Distribution Measuring Method, Apparatus for the Method, Computer Program and Information Recording Medium - Electromagnetic field distribution is measured by considering time variations of a measured electric and/or magnetic field value. In response to scanning performed with a probe at an arbitrary set of measurement coordinates in a predetermined measurement plane in the vicinity of an object to be measured, a signal is detected at each of plural sets of coordinates in a measurement plane. Electric and magnetic fields are computed during a measurement time period at each set of measurement coordinates in the measurement plane based on measurement coordinates where the probe is positioned and the signal is detected with the probe. Amplitude probability distribution during the time period at each set of measurement coordinates in the vicinity of the object is computed based on the computed intensity, then mapped and displayed. | 01-01-2009 |
20090024337 | Apparatus for Detection and Processing of a Multiplicity of Measured Values in an HVDC Transmission Installation - An apparatus for detecting and processing a multiplicity of measured values in an HVDCT system has measuring units for detecting measured variables of the HVDCT system, while obtaining measured values, and preprocessing units which are connected to one another in series, are each connected to at least one measuring unit and are connected to a control, regulation and monitoring system by means of a last preprocessing unit which is connected downstream of the rest of the preprocessing units, each preprocessing unit being set up to receive and preprocess the measured values, while obtaining optical measured values, and transmitting both the optical measured values generated by it and the optical measured values received from the upstream preprocessing units to a downstream preprocessing unit or to the control, regulation and monitoring system, with the result that the last preprocessing unit provides all of the measured values for the control, regulation and monitoring system. | 01-22-2009 |
20090055108 | STABILISATION OF LIQUID METAL ELECTROLYTE SYSTEMS - A method of stabilising an electrolysis cell with a boundary, a liquid metal layer and an electrolyte layer having specific operational and geometric parameters, and comprises the steps of determining amplitude and frequency values for a desired external, time-varying and/or alternating magnetic field through wave reflection analysis on a theoretical wall whose parameters are representative of the cell wall's parameters; and imposing on said cell an external, time-varying and/or alternating magnetic field having substantially the same amplitude and frequency values determined in the wave reflection analysis so that the resultant magnetic field imposed on the cell tends to parametrically and dynamically desynchronize the occurrence of resonance instability near the cell's walls. | 02-26-2009 |
20090055109 | DEVICE, METHOD, AND PROGRAM FOR MEASURING SIGNAL, AND RECORDING MEDIUM - Differences in outputs from multiple terminals are easily measured. There is provided a signal measuring device for receiving signals to be measured which are generated by modulating frequency-different signals different in frequency from each other, and are respectively output from different output terminals, including a combiner which combines the signals to be measured output from the output terminals, a quadrature demodulation unit which demodulates a result of the combining carried out by the combiner, an FFT unit which represents a result of the demodulation in the frequency domain, and a characteristic measuring unit, where the characteristic measuring unit measures data for respective frequencies of the result of the demodulation, acquires output-terminal-corresponding data, which correspond to the respective output terminals, based on the data, derives characteristics of the respective output terminals based on the output-terminal-corresponding data, and acquires a difference in the characteristics between the output terminals based on the derived result. | 02-26-2009 |
20090070051 | INTELLIGENT ELECTRONIC DEVICE CONFIGURATION VERIFICATION - A Substation Automation testing tool for IEC 61850 compliant substations is disclosed. It is concerned with the verification of the configuration of a first Intelligent Electronic Device (IED) that is part of a Substation Automation (SA) system and that has initially been configured to perform measurement, protection and/or control functions in accordance with a substation configuration specification. Configuration information is first read from an internal server of the first IED and transformed according to a dedicated data model. Related information is then read from e.g. a second IED that has initially been configured to perform the same functions as the first IED, or from a Substation Configuration Description (SCD) file, and likewise transformed. The transformed data is then compared in order to identify discrepancies or inconsistencies and to resolve errors introduced by the IED configuration process. | 03-12-2009 |
20090076745 | PROTECTION CONTROL MEASUREMENT SYSTEM - This invention provides a protection control measurement system, with excellent economy and maintainability, which collects protection control measurement data via a communication network from a plurality of terminals which acquire electric quantities. In the protection control measurement terminal | 03-19-2009 |
20090076746 | AC magnetic tracking with phase disambiguation - A method and system for magnetic locating resolves phase ambiguity. The system uses time-division multiplexed magnetic fields emitted from plural transmit coils. The magnetic fields are alternating fields at a carrier frequency, and the fields emitted from different coils in different transmit intervals have known phase relationship with one another as, for example where the alternating fields are coherent with one another. A receiver uses a plurality of sensor coils and derives plural components using the common phase reference or plural phase reference times having a known relationship. If the determinant of a matrix of the components has a first value, the phase information in the components is correct, and position and orientation are derived from the components. If the determinant has a second value, the phase information in the components is incorrect. In this case, corrected components are formed by shifting the phases of the components π radians; the position and orientation are derived from the corrected components. | 03-19-2009 |
20090099797 | Method to produce an optical module for analog data transmission - A method to produce an optical module, in particular, a module to transmit an analog data to enhance a yield thereof is disclosed. The method comprises (a) taking an I-L characteristic and its slope efficiency, (b) taking a gradient of a linear approximation between the slope efficiency and a current applied to an LD, and (c) taking an optimum current for the CSO characteristic as varying the current. Steps (a) to (c) give a correlation between the gradient of the linear approximation and the optimum current and are performed in advance to the practical production. | 04-16-2009 |
20090099798 | Real-Time Power System Oscillation Detection Using Modal Analysis - A power system oscillation detection device is provided for use in an electric power system. A plurality of sample signals are acquired from the electrical power system via a plurality of intelligent electronic devices (IEDs) in communication with the power system. The power system oscillation detection device includes a real-time modal analysis module, a real-time mode identification module, and real-time decision and control logic. The real-time modal analysis module calculates modes of at least one of the signals, each mode including mode information. The real-time mode identification module together with the real-time decision and control logic determines, from the mode information, whether there is an undesirable oscillation in the electric power system and activates a remedial action. | 04-16-2009 |
20090112492 | METHOD AND SYSTEM FOR DETECTING BLUETOOTH SIGNALS UTILIZING A WIDEBAND RECEIVER - Aspects of a method and system for detecting Bluetooth signals utilizing a wideband receiver are provided. In this regard, a frequency band may be scanned by receiving signals on each of a plurality of sub-bands for an amount of time, the energy received in each band may be compared to a threshold, and whether each sub-band comprises a Bluetooth transmission may be determined based on a FFT. Additionally, the FFT may enable determining on which Bluetooth channel a detected transmission occurred. A FFT may be performed when energy detected in a sub-band is higher than a threshold. The sub-bands may each be a WLAN channel. A type of a detected Bluetooth transmission may be determined based on a number of scans in which the transmission is detected. Each sub-band may be received for less than or equal to 68 μs divided by the number of sub-bands. | 04-30-2009 |
20090119034 | VEHICLE POWER SUPPLY DEVICE - A vehicle power supply device performs highly accurate determination of degradation of the capacitor unit as follows. Internal resistance and capacitance are corrected according to the temperature of capacitor unit during charge or discharge, thereby obtaining a corrected calculated value if capacitance. The corrected calculated value of capacitance is substituted into a degradation determination formula, which is pre-calculated according to the temperature, thereby calculating the standard value corresponding to the temperature detected by temperature sensor. When the standard value is equal to or less than the corrected calculated value of internal resistance, capacitor unit is determined to be degraded. | 05-07-2009 |
20090125253 | PASSIVE INTERMODULATION TEST APPARATUS - In one aspect of the present invention there is provided a portable test apparatus | 05-14-2009 |
20090125254 | METHODS, COMPUTER READABLE MEDIA, AND GRAPHICAL USER INTERFACES FOR ANALYSIS OF FREQUENCY SELECTIVE SURFACES - A frequency selective surface (FSS) and associated methods for modeling, analyzing and designing the FSS are disclosed. The FSS includes a pattern of conductive material formed on a substrate to form an array of resonance elements. At least one aspect of the frequency selective surface is determined by defining a frequency range including multiple frequency values, determining a frequency dependent permittivity across the frequency range for the substrate, determining a frequency dependent conductivity across the frequency range for the conductive material, and analyzing the frequency selective surface using a method of moments analysis at each of the multiple frequency values for an incident electromagnetic energy impinging on the frequency selective surface. The frequency dependent permittivity and the frequency dependent conductivity are included in the method of moments analysis. | 05-14-2009 |
20090157331 | SYSTEM AND A METHOD FOR DETERMINING ONE OR MORE PARAMETERS OF A SOURCE OF A POTENTIAL-ENERGY FIELD - A sensor system for determining parameters of a source of a potential-energy field. The system has a sensor array for sensing a property of the potential-energy field generated by the source, with a first sensor at a first position and a second sensor at a second position. The first and second sensor each have a sensor output for outputting a sensor signal representing the sensed property. A signal processor can determine the sensed property as a function of the position of the at least one first sensor and the at least one second sensor. A correlator is connected to the signal processor and arranged to correlate the determined result to a predetermined result derived for a template source positioned at a predetermined position and/or orientation with respect to the sensor array. A calculator is connected to the correlator. The calculator can determine the parameter from the correlation result. | 06-18-2009 |
20090210176 | METHODS TO SELECT GOLDEN DEVICES FOR DEVICE MODEL EXTRACTIONS - Methods for selecting one or more golden devices on a golden wafer that exhibit a smooth length and width scaling behavior. Test devices of differing geometry and carried on different chips of the golden wafer are screened with single point measurements of electrical performance. Based upon a statistical analysis of these single point measurements, chips are selected that carry the respective golden device of each given geometry that exhibits optimum electrical performance referenced to a selection criterion. Golden devices identified by the selection process are extensively characterized with a more comprehensive electrical measurement. The parameters derived from these more extensive test measurements on the golden devices are then used for refining a device model for a circuit simulation. | 08-20-2009 |
20090216468 | Dual Mode Vector Network Analyzer - A multimode network analyzer (VNA) and the method of using the same are disclosed. The VNA includes a signal input port that receives a test signal, an LO signal generator, a mixer, an IF filter and a processor. The LO signal generator generates a mixer LO signal from a mixer input test signal, the LO signal generator having first and second modes. The mixer LO signal is substantially a first periodic signal in the first mode and a second periodic signal having a plurality of harmonically related tones in the second mode. The mode that is currently operative is determined by a mixer control signal. The mixer is driven by the LO signal and has an output that is filtered by the IF filter to generate an IF signal. The processor analyzes the IF signal to determine a parameter characterizing the test signal and outputs that parameter. | 08-27-2009 |
20090240448 | TECHNIQUE FOR DETERMINING PERFORMANCE CHARACTERISTICS OF ELECTRONIC DEVICES AND SYSTEMS - A technique for determining performance characteristics of electronic devices and systems is disclosed. In one embodiment, the technique is realized by measuring a first response on a first transmission line from a single pulse transmitted on the first transmission line, and then measuring a second response on the first transmission line from a single pulse transmitted on at least one second transmission line, wherein the at least one second transmission line is substantially adjacent to the first transmission line. The worst case bit sequences for transmission on the first transmission line and the at least one second transmission line are then determined based upon the first response and the second response for determining performance characteristics associated with the first transmission line. | 09-24-2009 |
20090265121 | MEASURING AND MONITORING A POWER SOURCE - The disclosed battery monitoring systems and methods may minimize measurement errors due to noise and/or other disruptions. The sensor may generate a pulse width modulated signal that when applied to the battery forms an AC test signal having a defined waveform, frequency, amplitude, and/or duration. The sensor may measure the battery's response to the test signal. The resultant response signal may be measured to determine the health of the battery, including its internal admittance. The sensor may determine an optimum frequency to test the battery by scanning a frequency range and measuring the amount of noise present. | 10-22-2009 |
20090271131 | MODULE FOR DATA ACQUISITION AND CONTROL IN A SENSOR/CONTROL NETWORK - A data acquisition and/or control module ( | 10-29-2009 |
20090276169 | Methods and Systems for Detecting, Localizing, Imaging and Estimating Ferromagnetic and/or Electrically Conducting Objects - Methods and systems for a universally applicable, linear, signal processing framework for optimal detection, localization, and feature extraction of dipolar magnetic and electromagnetic (EM) targets. Such methods and systems provide the ability to, for example, simultaneously and optimally solve the problems of detection, localization and estimation of the dipole vector or target response matrix; be applicable to different types of magnetic or EMI sensor system; and be applicable to arbitrary combinations of sensor locations and orientations, and arbitrary spatial sampling. Such functionality is provided, in various aspects of the disclosure, with a quadrature matched filter algorithm for detecting and imaging magnetic dipoles to the more complex realm of single- and multi-channel EMI sensors. | 11-05-2009 |
20090281739 | MAGNETIC FIELD SENSOR - Magnetic field sensors ( | 11-12-2009 |
20090287428 | FRACTIONAL SAMPLES TO IMPROVE METERING AND INSTRUMENTATION - Methods and devices to determine values relating to metering a power line signal. A power line signal may be sampled by defining accumulation intervals associated with the power line signal. An accumulation interval may comprise sample periods. Samples are taken during sample periods. Values associated with the samples are determined for each sample period. A sample period may be associated with one or more accumulation intervals. When a sample period belongs to one accumulation interval, the sample period may be allocated to the one accumulation interval. When a sample period is associated with more than one accumulation interval, portions of the sample period may be allocated to the accumulation intervals to which the portions belong. Values determined for a sample period may be allocated to one or more accumulation intervals by allocating the values in relation to the allocation of the sample periods. | 11-19-2009 |
20090287429 | SYSTEM, METHOD, AND PROGRAM PRODUCT FOR MAPPING CIRCUITS - A method, apparatus and program product are provided for mapping electrical circuits. A user provides an electronic record of one or more rooms with outlets to be mapped and installs a module in each outlet to be mapped. Using an interactive program, the user prepares a diagram of a circuit box. The user triggers a probe to propagate a signal detectable by said modules over a circuit and to provide circuit information. The user retrieves the circuit information from the modules. Then, the interactive program associates the circuit information from each module with a corresponding outlet on said electronic record of one or more rooms. | 11-19-2009 |
20090292485 | System and Method for Synchronized Measurements - A system and method of synchronizing measurements between a master monitor ( | 11-26-2009 |
20090306912 | METHOD OF MEASURING LED JUNCTION TEMPERATURE - A method of measuring LED junction temperature includes the steps of: (a) obtaining a temperature curve of an LED; (b) inputting at least one rated AC voltage to the LED; (c) measuring a temperature at a specific point on an outer packaging structure of the LED, putting the temperature measured at the specific point into the temperature curve, and calculating a junction temperature of the LED by interpolation; and (d) substituting the result from the calculation in the step (c) into a numerical analysis model to obtain temperature oscillation of the LED. | 12-10-2009 |
20090306913 | METHOD OF CALCULATING ION IMPLANTATION DISTRIBUTION AND PROGRAM IMPLEMENTING THE CALCULATION METHOD - A method of calculating an ion concentration distribution is provided. The method includes: setting meshes at regular intervals d along a beam axis of a beam implanted at a tilt angle α; making mesh intervals on a surface d/sinα; generating meshes parallel and perpendicular to the beam axis in a simulator; and calculating an ion concentration distribution by using the meshes. | 12-10-2009 |
20090326840 | Temperature-Profiled Device Fingerprint Generation and Authentication from Power-Up States of Static Cells - A method, system and computer program product for generating device fingerprints and authenticating devices uses initial states of internal storage cells after each of a number multiple power cycles for each of a number of device temperatures to generate a device fingerprint. The device fingerprint may include pairs of expected values for each of the internal storage cells and a corresponding probability that the storage cell will assume the expected value. Storage cells that have expected values varying over the multiple temperatures may be excluded from the fingerprint. A device is authenticated by a similarity algorithm that uses a match of the expected values from a known fingerprint with power-up values from an unknown device, weighting the comparisons by the probability for each cell to compute a similarity measure. | 12-31-2009 |
20100004880 | Detector for Calculating the Distortion of an Electromagnetic Field Produced by a Buried Current Carrying Conductor - A detector for calculating the distortion of an electromagnetic field produced by a buried current carrying conductor comprises three antennas B, M, T. Outputs of two pairs of antennas are compared and the depth of the buried conductor is calculated using two different methods. If there is a significant difference in the two calculated depths then it is deemed that the electromagnetic field produced by the buried current carrying conductor is significantly distorted by the material in which the conductor is buried. | 01-07-2010 |
20100004881 | Method and device for specific absorption rate measurement of an electric field - A method for calculating the Specific Absorption Rate (SAR) caused in a body by the electric field of a wireless communications device, and comprises using a model of said body. The device is placed in the proximity of the model, and the electric field is measured at discrete points. The method comprises measuring the magnitude of the electric field in points of a first and a second surface in the model. By means of the measured magnitudes, the phase in said points is determined, so that the complex electric field in said points is determined, and the complex electric field in said points is used to determine the complex electric field in said model. The complex electric field is used in order to calculate the SAR value caused by the device. | 01-07-2010 |
20100010757 | Method for determining an attenuation map - A method is disclosed for defining an attenuation map. In at least one embodiment, the method includes creating at least two data sets from which attenuation values are able to be determined; evaluating the data sets and determining attenuation values; weighting the attenuation values determined and creating the attenuation map by inserting the weighted attenuation values. | 01-14-2010 |
20100023282 | CHARACTERIZING A COMPUTER SYSTEM USING RADIATING ELECTROMAGNETIC SIGNALS MONITORED THROUGH AN INTERFACE - Some embodiments of the present invention provide a system that characterizes a computer system parameter by analyzing a target electromagnetic signal radiating from the computer system. First, the target electromagnetic signal is monitored using a conductor in an interface of the computer system. Then, the target electromagnetic signal is analyzed to characterize the computer system parameter. | 01-28-2010 |
20100030497 | INTEGRATED CIRCUIT CHARACTERISATION SYSTEM AND METHOD - There is presented a system and method for characterizing an integrated circuit (IC) for comparison with a pre-defined system-level characteristic related to an aspect of IC operation, wherein a test procedure on the IC that invokes this aspect is executed, while at least one operational bottleneck is invoked to constrain operation of the IC to exhibit a system-level operation thereof related to the aspect. Data generated via the test procedure in response to the bottleneck is collected and the system-level operation exhibited thereby is compared for consistency with the pre-defined system-level characteristic. | 02-04-2010 |
20100094572 | Dynamic Frequency And Voltage Scaling For A Computer Processor - Methods, apparatus, and computer program products are described for dynamic frequency and voltage scaling for a computer processor, including identifying during manufacture a nominal operating point of frequency and voltage for a computer processor, the nominal operating point including a nominal operating voltage identified for a design nominal operating frequency; determining, in dependence upon the nominal operating point, an operating range of frequency and voltage over which the computer processor is to function; and storing, in non-volatile storage on the computer processor during manufacture, information specifying the nominal operating point and the operating range. | 04-15-2010 |
20100145640 | SYSTEM AND METHOD FOR ELECTRICAL PARAMETER ESTIMATION - A method is provided for estimating an electrical parameter of a circuit-under-test (e.g., resistance, capacitance and/or inductance). The method acquires samples during a plurality of charging cycles rather than during just one, which allows an extended overall time period to acquire such samples. The first step involves defining a major sampling period having a plurality of minor sampling periods. A number of steps are performed for each minor sampling period: applying an excitation signal to the circuit-under-test to produce a respective induced, response signal and acquiring a respective sample of the induced signal at a respective predetermined deferral time. In an embodiment where the circuit-under-test includes an unknown capacitance, the excitation signal may be a unit step while an increase in the induced signal is governed by a charging time constant, which itself is indicative of the unknown capacitive. The electrical parameter may be determined based on the acquired samples, which collectively constitute a composite response. The composite response is processed, for example, by fitting it to a normalized capacitive charging curve, to ascertain an estimate of the unknown capacitive. | 06-10-2010 |
20100153032 | Probing analog signals - A device, comprising a monitoring slicer adapted to repeatedly sample an internal analog signal to provide a sequence of digital outputs indicating a result of a comparison of the level of the internal analog signal to a reference voltage and an operative unit adapted to perform a task of the device and provide a result without using digital outputs from the monitoring slicer. | 06-17-2010 |
20100153033 | JUNCTION-PHOTOVOLTAGE METHOD AND APPARATUS FOR CONTACTLESS DETERMINATION OF SHEET RESISTANCE AND LEAKAGE CURRENT OF SEMICONDUCTOR - A junction-photovoltage method and apparatus for contactless determination of an electrical/physical parameter of a semiconductor structure having at least one p-n junction located at a surface is disclosed. In one aspect, the method includes illuminating the surface with the p-n junction with a light beam of a first wavelength to create excess carriers at the surface. The method also includes modulating the light intensity of the light beam at a single predefined frequency. The method also includes determining a first photo-voltage at a first position inside the illuminated area and a second photo-voltage at least a second position outside the illuminated area. The method also includes calculating an electrical/physical parameter of the semiconductor structure based on the first and second photo-voltage. | 06-17-2010 |
20100174497 | ELECTROMAGNETIC FIELD DISTRIBUTION MEASUREMENT APPARATUS - An electromagnetic field distribution measurement apparatus ( | 07-08-2010 |
20100211336 | DATA PROCESSING INTERFACE DEVICE - Information of a first type is determined at an integrated circuit die of a data processing device included an integrated circuit package. The integrated circuit package includes the first integrated circuit die and a second integrated circuit die. Information of a second type is determined at the integrated circuit die. The first and second type of information is transmitted from the integrated circuit die to another integrated circuit die using a time-divided multiplexed protocol by transmitting the first information during a first time slot of the protocol and transmitting the second information during a second time slot of the protocol. | 08-19-2010 |
20100211337 | METHOD AND APPARATUS FOR DETECTION USING MAGNETIC GRADIENT TENSOR - Locating and characterising a magnetised body involves moving a magnetic gradient tensor sensor relative to the magnetised body along a profile, or allowing the magnetised body to move along a profile past the sensor. Magnetic gradient tensor measurements are obtained at points along the profile. A rotational invariant calculated from the eigenvalues of the magnetic gradient tensor measurements is then used to locate and/or characterise the body. The rotational invariant can be the scaled moment of a point dipole representation of the magnetised body, or one third of the square root of the scaled moment. The rotational invariant is modelled and sufficient measurements obtained to over-determine parameters of the model. A system of linear equations resulting from a model of the gradient tensor elements is then solved using the determined values of parameters. | 08-19-2010 |
20100235118 | Event Recognition - A method executes software including a view hierarchy with a plurality of views which displays one or more views of the view hierarchy. The method executes software elements associated with a particular view, wherein each particular view includes event recognizers. Each event recognizer has an event definition based on sub-events, and an event handler that specifies an action for a target, and is configured to send the action to the target in response to an event recognition. The method detects a sequence of sub-events, and identifies one of the views of the view hierarchy as a hit view that establishes which views in the hierarchy are actively involved views. The method delivers a respective sub-event to event recognizers for each actively involved view, wherein each event recognizer for actively involved views in the view hierarchy processes the respective sub-event prior to processing a next sub-event in the sequence of sub-events. | 09-16-2010 |
20100324840 | METHOD AND APPARATUS FOR TESTING VALVE CONTROL SYSTEM - A method and apparatus are disclosed for testing a valve control system in an aircraft fuel supply system having a plurality of control valves, wherein the control system includes relay means for outputting control signals to each of the plurality of control valves. The method includes providing connection means for electrically connecting a test device to the control system relay means, connecting a test device to the relay means such that the test device is adapted to receive control signals output by the control system to any one of the plurality of control valves, detecting an electrical control signal output from the relay means to any one of the plurality of control valves, and identifying the particular one of the plurality of control valves to which a detected control signal is output by the relay means and identifying the nature of the control signal output to that particular control valve. | 12-23-2010 |
20100324841 | Capacitive Detection Systems, Modules and Methods - Capacitive detection systems, modules, and methods. In one embodiment, time interval measurement(s) are generated that are monotonic functions of the capacitance(s) of capacitive sensor(s) in a capacitive sensing area. In one embodiment, the generated time interval measurement(s), or any other monotonic function(s) of capacitance(s) of capacitive sensor(s) in a capacitive sensing area, may be analyzed to detect the presence of an object near the capacitive sensing area and/or to detect the position of an object near the capacitive sensing area. | 12-23-2010 |
20110010116 | INDUCTION MOTOR PARAMETER IDENTIFICATION - A method and an arrangement are provided for identifying parameters of an induction machine when the induction machine is connected to the output phases of a voltage source inverter and the induction machine is in standstill state. The method includes providing a DC magnetization current (i | 01-13-2011 |
20110093221 | SYSTEM TO MONITOR ENERGY USE - A system to monitor energy use is disclosed. According to one embodiment, a computer-implemented method comprises receiving energy consumption data from a gateway, wherein the gateway receives the energy consumption data from an electricity meter. The energy consumption data is stored, and an energy consumption graph is calculated by using the energy consumption data. The energy consumption graph is transmitted to an end device, and the energy consumption graph is displayed on the end device. | 04-21-2011 |
20110118999 | MEASUREMENT POSITION AND TIME RECORDING TYPE MAGNETOMETER AND METHOD OF MEASURING MAGNETIC FIELD USING THE SAME - Disclosed herein are a magnetometer which is capable of calculating an isotropic magnetic field component by use of three orthogonal coil sensors for magnetic field measurement and a method for measuring a magnetic field using the magnetometer, which records and displays the strength and/or direction of the magnetic field together with the measurement time and position of the magnetic field. The magnetometer can make a more comprehensive understanding of a magnetic field environment and to make a more accurate measurement of a magnetic field. In addition, the magnetometer can reduce time for measurement and result analysis, and obtain reliable measurement results. | 05-19-2011 |
20110125428 | METHOD FOR WIRELESS DATA TRANSMISSION BETWEEN A MEASUREMENT MODULE AND A TRANSMISSION UNIT - A method records and transmits data between a transmission unit that has a first antenna and a measurement module which has a sensor for recording measured variables and converts the measured variables into electric signals. Data is bi-directionally transmitted between the measurement module and the transmission unit located within the near field of the measurement module by use of a second antenna that is arranged on the measurement module. The electromagnetic energy of the signal that is applied to the second antenna is transformed and temporarily stored by a reception unit which is arranged downstream of the second antenna. The first antenna of the transmission unit is put in an inactive state at least during the time the measured variables are sensed by the measurement module or the sensors. | 05-26-2011 |
20110125429 | ELECTROMAGNETIC FIELD DISTRIBUTION MEASURING METHOD, APPARATUS FOR THE METHOD, COMPUTER PROGRAM AND INFORMATION RECORDING MEDIUM - Electromagnetic field distribution is measured by considering time variations of a measured electric and/or magnetic field value. In response to scanning performed with a probe at an arbitrary set of measurement coordinates in a predetermined measurement plane in the vicinity of an object to be measured, a signal is detected at each of plural sets of coordinates in a measurement plane. Electric and magnetic fields are computed during a measurement time period at each set of measurement coordinates in the measurement plane based on measurement coordinates where the probe is positioned and the signal is detected with the probe. Amplitude probability distribution during the time period at each set of measurement coordinates in the vicinity of the object is computed based on the computed intensity, then mapped and displayed. | 05-26-2011 |
20110137589 | METHOD AND APPARATUS FOR PRODUCING HOMOGENEOUS MAGNETIC FIELDS - A method for shimming a magnetic field is disclosed. The method uses a single shim current to contribute to suppression of more than one geometrical component of an inhomogeneity in the magnetic field without changing the geometry of the shim path. Apparatuses to implement the method are also disclosed. In embodiments the apparatuses comprise substantially commonly oriented shim paths. | 06-09-2011 |
20110153233 | SYSTEM FOR MEASURING A MAGNETIC FILED COMPRISING A THREE-AXIS SENSOR FOR MEASURING A MAGNETIC FILED THAT IS ABLE TO MOVE TOGETHER WITH A CARRIER THAT DISRUPTS THE MEASUREMENTS, AND ASSOCIATED METHOD - The magnetic field measurement system comprises a triaxial main sensor ( | 06-23-2011 |
20110196626 | MOTION STATE DETECTING METHOD AND MOTION STATE DETECTING APPARATUS - A motion state detecting method using a detector, detecting one of a conducting state and a non-conducting state according to a movement of an object, includes: first processing to measure either a first number of times, indicating the number of times of change from the conducting state to the non-conducting state per unit time or a second number of times that is the number of times of change from the non-conducting state to the conducting state per the unit time; and second processing to regard either the first number of times or the second number of times as a change determination value and change a length of the unit time based on the change determination value; wherein a proportion of time of the conducting state per the unit time or the non-conducting state per the unit time is changed by changing the length of the unit time. | 08-11-2011 |
20110224923 | PASSIVE INTERMODULATION TEST APPARATUS - In one aspect of the present invention there is provided a portable test apparatus | 09-15-2011 |
20110224924 | METHOD FOR DETERMINING SENSITIVITY MATRICES FOR HOTSPOTS - Sensitivity matrices are determined for hotspots, the sensitivity matrices being used in the determination of control signal sequences for individually-controllable antenna elements of a radio-frequency transmit system of a magnetic resonance tomography device. For each hotspot, an SAR element may be established by summing the products of the elements of the respective sensitivity matrix with the corresponding elements of a cross-correlation matrix. A computer groups voxels of an object defined by a plurality of voxels into clusters. The computer assigns each cluster to one of the hotspots. For each hotspot, the computer establishes the respective sensitivity matrix such that in relation to each voxel of the cluster assigned to the respective hotspot, the difference between the sensitivity matrix established for the respective hotspot and a sensitivity matrix given for the respective voxel is positive semi-definite. | 09-15-2011 |
20110246103 | ARRANGEMENT AND METHOD FOR DETECTING AND/OR LOCATING A MAGNETIC MATERIAL IN A REGION OF ACTION - In Magnetic Particle Imaging (MPI) the reconstruction requires the knowledge of a so called system function. This function describes the relation between spatial position and frequency response and is currently measured once for a scanner set-up and a tracer material. For reasonable resolutions and fields of view the system function becomes quite large, resulting in large acquisition times to obtain reasonable signal-to-noise. However, the system function has a number of properties which can be used to improve signal-to-noise. According to the present invention use is made of the spatial symmetry and/or identical responses at different frequencies for this purpose. | 10-06-2011 |
20110251805 | Sensor Assembly, Tachograph Assembly and Method for Recognition of a Manipulation - A sensor assembly a tachograph assembly and a method for recognition of a manipulation by a magnet having a sensor and a device for signal processing. In order to design the sensor assembly such that a manipulation by a magnet is recognized, the sensor signal is supplied to a second comparator of the device for signal processing that compares the sensor signal to a specified operating range and initiates a manipulation signal if a value of the sensor signal is outside of the operating range. | 10-13-2011 |
20110295529 | CONTROL OF PROTECTION RELAY - A protection relay and a method for controlling a protection relay are provided. An input parameter value is measured for the protection relay, and a calculation parameter value is determined based on an inverse definite minimum time curve defining a relationship between the input parameter value and a predetermined threshold value of the input parameter, wherein the calculation parameter values are divided into two or more zones and restricted with zone-specific dividers. The restricted calculation parameter value is added to a cumulative sum of the calculation parameter, where the cumulative sum of the calculation parameter is usable in a calculation equation for determining an operate and/or reset condition of the protection relay. | 12-01-2011 |
20110301885 | SYSTEM AND METHOD FOR TESTING A LIGHT SENSOR OF A PORTABLE ELECTRONIC DEVICE - An improved system and method for testing a sensor of a portable electronic device based on expected sensor data and not timing information. The system and method for testing a sensor of a portable electronic device retrieves sensed data from the portable electronic device (i.e. device under test) after the device has traversed a series of test areas or zones. The sensed data is compared against a set of expected sensor data patterns to determine which components of the sensed data correspond to each test area or zone. The sensor of the portable electronic device may be tested based on an association of the test areas or zones with segments of the sensed data. | 12-08-2011 |
20110313690 | MAGNETIC SENSOR DEVICE AND ELECTRONIC COMPASS APPARATUS - A magnetic sensor device is connectable to a data processing device and is a circuitry physically separate from the data processing device. In the magnetic sensor device, a detection unit detects magnetic field and outputs analog magnetic data representing the detected magnetic field. A conversion unit converts the analog magnetic data into digital magnetic data. A buffer memory has a capacity capable of storing a statistical population formed of a given number of the digital magnetic data. A control unit responds to a first trigger for operating the detection unit to successively output the analog magnetic data, then successively receives the digital magnetic data from the conversion unit in correspondence to the analog magnetic data, and accumulates the received digital magnetic data in the buffer memory to thereby form the statistical population. The control unit further responds to a second trigger for providing the data processing device with the statistical population accumulated in the buffer memory and formed of the given number of the digital magnetic data. | 12-22-2011 |
20120029849 | Magnetic exchange coupling energy calculating method and apparatus - A non-transitory computer-readable recording medium stores a magnetic program causing a computer to perform an exchange coupling energy calculating process including interpolating a rotation angle between two magnetization vectors disposed at the respective centers of two adjacent elements used in a finite volume method with reference to a rotation axis perpendicular to the two magnetization vectors, and calculating a magnetic exchange coupling field by integrating a magnetic field acting as a force exerted on the two magnetization vectors with the interpolated rotation angle. | 02-02-2012 |
20120035869 | SINGLE TRANSDUCER ELECTRONIC DATA SHEET FOR MULTIPLE TRANSDUCERS - A memory component directly coupled to a transducer stores both the data sheet information for that particular transducer and the data sheet information of one or more other transducers in the system. The transducers in the system are each assigned a unique index, and the data stored in the memory component are indexed in order to distinguish the data corresponding to a particular transducer. The transducers do not have to be the same type. Information stored in the memory component can include identification information and calibration data. A processor reads the information from the memory and applies the information to measured data acquired by the transducers. | 02-09-2012 |
20120046887 | TWO-PIN COUPLING SLIDER - A slider has a first conductive trace and a second conductive trace. The first conductive trace has one or more sub-traces. The width of a first sub-trace of the first conductive trace is larger than the width of a second sub-trace of the first conductive trace adjacent to the first sub-trace of the first conductive trace. The second conductive trace has sub-traces. The width of a first sub-trace of the second conductive trace is smaller than the width of a second sub-trace of the second conductive trace adjacent to the first sub-trace of the second conductive trace. The sub-traces of the first conductive trace are interleaved with the sub-traces of the second conductive trace. | 02-23-2012 |
20120046888 | ANALYSIS APPARATUS AND ANALYSIS METHOD - An analysis apparatus analyzes the properties of an object to be analyzed. Specifically, the analysis apparatus receives an input of property information on an object to be analyzed and calculates, in accordance with the property information on the input object to be analyzed, an average value of magnetization vectors allocated to each micro-region that is obtained by dividing the object to be analyzed into regions. Then, by using the calculated average value of the magnetization vectors and an equation of a magnetic field that is a governing equation of a vector potential, the analysis apparatus calculates the vector potential obtained after a predetermined time has elapsed. | 02-23-2012 |
20120059605 | SYSTEM AND APPARATUS FOR TESTING CABLE - An apparatus for testing one or more transmission lines is disclosed. The apparatus comprises a processor capable of configuring the apparatus in one of a master mode and a slave mode. The apparatus when configured in the master mode controls the testing of the one or more transmission lines of a cable. The apparatus also includes one or more test modules associated with one or more tests to be performed on the one or more transmission lines. Further, one or more transceivers of the apparatus are capable of one or more of sending and receiving a plurality of signals through the one or more transmission lines. One or more signals of the plurality of signals are associated with the one or more test modules. | 03-08-2012 |
20120065906 | HIGH THROUGHPUT SEMICONDUCTOR DEVICE TESTING - A test system that provides an output signal for analysis without requiring the test hardware to be idle during a settling interval. The test system includes a preprocessor that identifies the near-DC drift that occurs in the output signal and then adjusts the output signal to remove the near-DC drift. A set of values representing the near-DC drift at each of multiple times during the acquisition of a signal for analysis may be computed and used to model a settling profile of the signal by fitting a curve to the set of values. The model of the settling profile may then be subtracted from samples representing the output signal to provide an adjusted signal for further analysis. | 03-15-2012 |
20120065907 | MEASURING DEVICE, PROTECTION RELAY, AND PROGRAM PRODUCT - According to one embodiment, a measuring device includes a clock output unit, a receiving unit, an adjusting unit, a generating unit, and a transmitting unit. The clock output unit generates a clock, counts the clock, and outputs a count value. The receiving unit receives a first message including time information. The adjusting unit adjusts time at which acquires a physical amount on the basis of the time information included in the first message and the count value output from the clock output unit when the first message is received. The generating unit generates a second message including a value of the physical amount acquired at the adjusted time. The transmitting unit transmits the second message to a device, which is a transmission source of the first message. | 03-15-2012 |
20120072137 | PATCH PANEL MONITORING DEVICE - A system and method including at least one patch panel device interconnected with at least one media line and configured to at least one of receive and transmit a communication signal; and at least one measurement device interconnected with the patch panel through at least one monitoring jumper, wherein the measurement device is configured to capture at least one of a voltage and an impedance from the monitoring jumper, wherein the monitoring jumper is configured to selectively receive an electronic label. | 03-22-2012 |
20120084026 | METHOD AND SYSTEM FOR CHARACTERIZING A PLASMA - Disclosed are a method and system for measuring the electron energy distribution function (EEDF) in a plasma which has a pronounced drifting Maxwellian component of the EEDF. The method comprises fitting an acquired unfiltered electron current vs. bias voltage curve to a functional form which assumes an EEDF comprising at least one stationary Maxwellian component and at least one drifting Maxwellian component. The method and system allow more accurate characterization of plasmas with electron components with pronounced drift, such as plasmas in microwave surface wave plasma (SWP) sources. | 04-05-2012 |
20120130654 | ELECTRICAL NETWORKS AND METHODS OF FORMING THE SAME - Electrical networks are formed to produce an approximation of at least one desired performance characteristic, based on the recognition that fabrication variations introduce slight differences in electronic sub-networks which were intended to be identical. These fabrication differences are turned to an advantage by providing a pool of sub-networks, and then selectively connecting particular combinations of these sub-networks to implement networks that approximate the desired performance characteristics. The sub-networks are of like kind (e.g., resistors) and have a like measure. | 05-24-2012 |
20120143532 | Detector for Detecting a Current Carrying Conductor - A locator for locating a concealed conductor comprises a first field detector operable to detect an alternating magnetic field along a first axis parallel to a primary axis of the locator; a second field detector, displaced from the first field detector and operable to detect an alternating magnetic field along a second axis parallel to the primary axis of the locator; and a processor operable to calculate a difference between a field detected by the first detector and a field detected by the second detector, and to calculate an indication of the lateral displacement of the concealed conductor from the primary axis of the locator using the difference. | 06-07-2012 |
20120150457 | SENSING DEVICE, SENSING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - A sensing device includes: a magnetic field generating coil that generates an alternating magnetic field in a sensing-target region; a signal inducing coil in which is induced an electric signal corresponding to the alternating magnetic field generated by the magnetic field generating coil; an amplifier that amplifies a third electric signal obtained from the difference between a first electric signal induced in the signal inducing coil in a state where a sensing-target magnetic body is present in the sensing-target region and a second electric signal induced in the signal inducing coil in a state where the magnetic body is not present in the sensing-target region; and a sensing unit that senses, on the basis of the third electric signal amplified by the amplifier, the magnetic body passing through the sensing-target region by sensing a change in the magnetic field resulting from magnetization reversal of the magnetic body. | 06-14-2012 |
20120150458 | APPARATUS, METHOD AND COMPUTER-ACCESSIBLE MEDIUM FOR NONINVASIVE DETERMINATION OF ELECTRICAL PROPERTIES OF TISSUES AND MATERIALS - Apparatus, method, and computer-accessible medium embodiments for a noninvasive mapping of electrical properties of tissues or materials. For example, it is possible to apply a plurality of stimulations to a target. It is possible to receive at least one signal from the target in response to the applied stimulations. Further, it is possible to process the at least one signal to determine electromagnetic-field-related quantities associated with the stimulations and the target response. Also, it is possible to supply the electromagnetic-field-related quantities to a system of equations relating these quantities to a plurality of electrical property values and residual field-related unknown values of the at least one target. It is also possible to determine a solution to the system of equations, including determining at least one electrical property of the at least one target. | 06-14-2012 |
20120158324 | MAGNETIC SENSOR READING DEVICE, SYSTEM AND METHOD - A reading circuit for a magnetic-field sensor, provided with a detection structure generating an electrical detection signal as a function of an external magnetic field, has a signal-conditioning stage, which is electrically coupled to the detection structure and generates an output signal as a function of the electrical detection signal; the reading circuit is provided with a full-scale-control stage that is able to select automatically a full-scale value for the signal-conditioning stage, as a function of the value of the external magnetic field, such as to prevent saturation of the same conditioning stage. | 06-21-2012 |
20120166113 | DETECTING USE OF A PROPER TOOL TO INSTALL OR REMOVE A PROCESSOR FROM A SOCKET - Method and apparatus to detect use of a manufacturer-approved insertion tool to connect a processor into electronic communication with a land grid array socket on a circuit board of a computer. A baseboard management controller electronically coupled to electrical contacts on the circuit board engages a conductor on the manufacturer-approved insertion tool and records the event. | 06-28-2012 |
20120179394 | Metal Detector - The present invention provides apparatus for scanning a product to detect metal in that product. The apparatus comprises a drive coil ( | 07-12-2012 |
20120209546 | ARRANGEMENT AND METHOD FOR CHARACTERIZING MAGNETIC SYSTEMS - The present invention relates to a new method for characterizing magnets, magnetic assemblies (combinations of magnets) and magnetic materials. In what follows, these will be called under the common term ‘magnetic systems’. The method is based on obtaining quantitative properties of the magnetic system by combining magnetic field measurement data and theoretical modeling or simulation data. The input parameters of the theoretical model are optimized using an optimization method in order to obtain a best fit to the measured data. In this method, the present invention involves precalculating magnetic field distributions prior to the optimization execution in order to considerably speed up the process. Combining this advanced data processing with fast magnetic field mapping using e.g. a magnetic field camera, allows real-time measurement and data analysis of magnetic systems for applications in e.g. quality control of such magnetic systems. | 08-16-2012 |
20120215467 | AUTOMATIC DETECTION OF GROUND LINE IN A VIDEO CABLE - The present disclosure provides a method of determining a ground line within a video cable, the video cable including a left audio line, a right audio line, a third line and a fourth line, the method comprising connecting one of the third or fourth line to ground; transmitting a high frequency signal over the other of third and fourth line; measuring outputs of the left audio line or the right audio line; and determining the ground line based on the measured outputs. | 08-23-2012 |
20120259561 | APPARATUS AND METHOD FOR SIGNAL EXTRACTION AND SEPARATION - Method and/or apparatus for independent component analysis of a mixed electronic signal. Candidate signal components are determined, and mutual information (MI) criteria between each candidate signal component is minimized. The candidate signal components are optimized using polar coordinates. | 10-11-2012 |
20120271570 | SYSTEM OF INTELLIGENT SENSORS IN AN ELECTRICAL PANELBOARD - According to one aspect, embodiments of the invention provide a system for monitoring a plurality of circuit branches, the system comprising a plurality of current sensors, each configured to be coupled to at least one of the plurality of circuit branches and to produce a signal having a level related to a current level of the one of the plurality of circuit branches, a communications bus, a plurality of sensor circuits, wherein each one of the plurality of sensor circuits is configured to convert the signal from the associated one of the plurality of current sensors to a digital measurement signal and provide the digital measurement signal to the communication bus, and a controller configured to receive the digital measurement signal from each sensor circuit over the communication bus and transmit data related to the digital measurement signal from each sensor circuit to an external client. | 10-25-2012 |
20120271571 | SYSTEM AND METHOD FOR DETERMINING ELECTRICAL PROPERTIES USING MAGNETIC RESONANCE IMAGING - A system and method for determining electrical properties using Magnetic Resonance Imaging (MRI) are provided. One method includes determining a magnitude of an MRI B | 10-25-2012 |
20120278011 | Power Line Maintenance Monitoring - Monitoring may be provided. First, data may be received comprising a current location of a point on a span of conductor or a current angle of a section of the span of conductor. Next, a sag may be calculated of the span of conductor based upon the current location of the point on the span of conductor and the current angle of the section of the span of conductor. An alert may then be provided when the calculated sag is outside of a predetermined range for the span. | 11-01-2012 |
20120310555 | Method and Apparatus for Monitoring Power Transmission in an Electric Power Transmission Network - An apparatus and method for measurement of power in an electric power transmission line and disturbances in a power grid is disclosed. The apparatus comprises a magnetic field sensor with at least two sensing coils for measuring the magnetic field at the electric power transmission line and transmitting magnetic field data to a processor. The magnetic field sensor is arranged proximate to but at a distance from the electric power transmission line. | 12-06-2012 |
20120316801 | EMULATOR AND EMULATING METHOD OF ELECTRICAL RESPONSE OF BIOLOGICAL TISSUE - An emulator of an electrical response of a biological tissue includes an artificial nerve module, a DAC module, and a mesh resistor circuit. The artificial nerve module includes a plurality of microcontrollers coupled to each other, and each of the microcontrollers has at least one control end and at least one voltage signal output portion providing a total of at least two voltage signal output ends. The DAC module includes DACs corresponding to the at least two voltage signal output ends, and each of the DACs is coupled to the voltage signal output end to output a node voltage. The mesh resistor circuit includes a plurality of first resistors and second resistors corresponding to each other, each of the first resistors and each of the second resistors corresponding to each other define a node, and the node is used to accept the node voltage. | 12-13-2012 |
20120323504 | MAGNETIC FORCE CHARACTERISTIC COMPUTING METHOD, MAGNETIC FORCE CHARACTERISTIC COMPUTING DEVICE AND COMPUTER PROGRAM - A prestored database showing a correspondence of δ (depth)/ΔHcJ (coercivity increment) and a prestored database showing a correspondence of Dy introduction amount/ΔHcJ are used to obtain distribution of an introduction amount in a magnet from shape information of the magnet and information of a Dy introduction face and compute distribution of ΔHcJ in the magnet from the distribution of a Dy introduction amount. Regarding a magnet having a coercivity that is distributed non-uniformly, a J/H curve is computed using the computed distribution of ΔHcJ, and a demagnetizing factor at a predetermined temperature (100° C.) is computed using a temperature coefficient. | 12-20-2012 |
20120330580 | SYSTEM AND METHOD FOR DETERMINING A BEARING STATE - In a system for ascertaining a bearing state and in a method for ascertaining a bearing state of a bearing of an electric machine, measurement value ( | 12-27-2012 |
20120330581 | POTENTIAL OBTAINING APPARATUS, MAGNETIC FIELD MICROSCOPE, INSPECTION APPARATUS, AND POTENTIAL OBTAINING METHOD - In a magnetic field obtaining apparatus, a measuring part ( | 12-27-2012 |
20130006552 | Walk Through Metal Detection System - The present application is a detection system for locating and characterizing an object placed in a detection area in a three dimensional space. The detection system includes a plurality of magnetic field generators and magnetic field detectors arranged on opposite sides of the detection area and a control system for enabling generation of a magnetic field in the detection area by the magnetic field generators and for measuring of the magnetic field modified by the object at each of the magnetic field detectors. The detection system also includes a processor for processing the measured magnetic field to obtain a data set characterizing the object and a location of the object. The processor applies a reconstruction process on a predefined number of measurements of the modified magnetic field. | 01-03-2013 |
20130006553 | APPARATUS AND METHOD FOR GENERATING ANALYSIS ALGORITHM OF ELECTROMAGNETIC FIELD GENERATOR - An analysis algorithm generation apparatus of an electromagnetic field generator includes: a value inputting unit for receiving information on a TEM cell or GTEM cell; and an algorithm generating unit for generating an algorithm to analyze a TEM mode in a cross sectional structure of the GTEM cell or a tapered section of the TEM cell by using an associated Legendre function and a mode-matching method based on the information transmitted from the value inputting unit. The algorithm generating unit analyzes the TEM mode by dividing a space into four (left, right, upper and lower) regions, the space existing between an inner electrode and an outer wall of the cross sectional structure of the GTEM cell or the tapered section of the TEM cell. | 01-03-2013 |
20130013230 | APPARATUS AND METHOD FOR MONITORING AND CONTROLLING DETECTION OF STRAY VOLTAGE ANOMALIES - Apparatus and methods for detecting stray voltage anomalies in electric fields are provided herein. In some embodiments, an apparatus for detecting an electrical field may comprise: at least one sensor probe for generating data corresponding to an electrical field detected by the at least one sensor probe, wherein the at least one sensor probe comprises at least one electrode; a processor, coupled to the at least one sensor probe, for analyzing the data to identify a voltage anomaly in the electric field; and an indicator, coupled to the processor, for alerting a user to a presence of the voltage anomaly in the electric field. | 01-10-2013 |
20130046488 | Circuits and Methods for Automatically Adjusting a Magnetic Field Sensor in Accordance with a Speed of Rotation Sensed by the Magnetic Field Sensor - A magnetic field sensor and a method used therein provide a measured signal representative of an angular speed of rotation of a target object. The magnetic field sensor, in accordance with the measured speed of rotation, can automatically change various characteristics of the magnetic field sensor. | 02-21-2013 |
20130046489 | MAGNETOMETER BIAS AND ANOMALY DETECTOR - The computer implemented method, system or computer program product comprises collecting magnetometer data from the device; and calculating a center of a shape of the magnetometer data as a result of minimization. The minimization of calculating the center of the shape further comprises calculating a plurality of running sums of the magnetometer data; storing the plurality of running sums; storing a count of the number of terms in each of the running sums; and calculating the center of the shape and setting the estimated magnetometer bias to the center of the shape. The radius of the sphere is calculated to ensure accuracy in the estimator of the magnetometer bias. | 02-21-2013 |
20130080087 | Circuits and Methods for Processing Signals Generated by a Plurality of Magnetic Field Sensing Elements - Circuits and methods provide an ability to track a direction of a magnetic field, and, more particular, to track a direction of a rapidly rotating magnetic field. The circuits and methods use a plurality of magnetic field sensing elements, for example, as may be embodied in a circular vertical Hall (CVH) sensing element. However, the circuits and methods can track the direction of the sensed magnetic field by processing at any time fewer than all of the plurality of magnetic field sensing elements, for example, one or two of the plurality of magnetic field sensing elements. | 03-28-2013 |
20130110421 | DEVICE ANALYSIS | 05-02-2013 |
20130116943 | APPARATUS AND METHOD FOR DETERMINING IN-PLANE MAGNETIC FIELD COMPONENTS OF A MAGNETIC FIELD USING A SINGLE MAGNETORESISTIVE SENSOR - A method to measure an applied magnetic field in a plane is provided. The method includes simultaneously applying a first and second alternating drive current to a respective first and second strap overlaying a magnetoresistive sensor so the magnetoresistive sensor is subjected to a periodically rotating magnetic drive field rotating in the plane in the magnetoresistive sensor. When the applied magnetic field to be measured is superimposed on the periodically rotating magnetic drive field rotating in the plane, the method includes extracting a second harmonic component of an output voltage output from the magnetoresistive sensor. The magnitude of the magnetic field to be measured in the plane is proportional to an amplitude of the extracted second harmonic component of the output voltage. The orientation of the magnetic field to be measured in the plane is related to a phase angle of the extracted second harmonic component of the output voltage. | 05-09-2013 |
20130124115 | CHROMATIC MAINFRAME - A chromatic processor and a computational process which includes the steps of assigning values to wavelengths of a portion of the electromagnetic spectrum; using electromagnetic emitters for emitting waves having some of those wavelengths; expanding the number of waves available to the computational process by controlling the electromagnetic emitters input to a blended wave output; and combining some of the available waves in order to obtain new wave(s) representing new value(s). | 05-16-2013 |
20130151173 | INTERPROCESSOR COMMUNICATION MEASUREMENT SYSTEM - An interprocessor communication measurement system for an information processing apparatus having a plurality of processors which may send data to the other processors through a plurality of communication channels, includes a socket which is connected with communication channels and electrically connects a processor attached thereto with the communication channels, a measurement node which is attached to the socket in place of the processor and electrically connected with the communication channels, wherein the measurement node includes a routing unit configured to send data destined for any one of the other processors to the one of the other processors through the communication channels and an intercepting unit configured to intercept data sent through the routing unit, and a storing unit configured to store data intercepted by the intercepting unit of the measurement node. | 06-13-2013 |
20130151174 | ELECTRONIC STATE CALCULATION METHOD, ELECTRONIC STATE CALCULATION DEVICE, AND RECORDING MEDIUM - A method of calculating an electronic state of a material by using a calculation device, wherein the calculation device sets a set containing, as elements, a plurality of operation models, where each of operation models provides an approximate solution to the electronic state of the material, determines an optimized operation model that are close in distance in a space formed by the set while defining a direction in which the calculated self-consistent solutions of the effective Hamiltonian of an electron system continuously change, evaluates a variational energy of the electron system by the self-consistent solution, updates the operation model so that the evaluated variational energy approaches an energy of an exact solution to be calculated and further, so that the variational energy forms a monotonically decreasing convex function, and calculates the exact solution of the electronic state from one or a plurality of variational energy series. | 06-13-2013 |
20130166228 | Automatic Capture And Storage Of Measurements In Digital Multimeter - A digital multimeter includes an auto-save component configured to automatically capture and save a sequence of measurements. The auto-save component detects when a measurement becomes stable and upon determining that the measurement has become stable, captures and saves the measurement in a memory of the digital multimeter. The multimeter may additionally include an auto-naming component for automatically assigning a name to each measurement in the sequence, and an auto-hold component for temporarily freezing the display of the stable measurements in the multimeter. | 06-27-2013 |
20130166229 | MAGNETIC PROPERTY ANALYZING APPARATUS AND METHOD - A magnetic property analyzing apparatus includes a first computing unit to perform a magnetic field analysis utilizing a FEM using an average magnetization given with respect to each of elements to which an analyzing target is segmented, and a second computing unit that computes an effective magnetic field acting on each element using a magnetic field computed by the magnetic field analysis, computes magnetization vectors within each element by obtaining a time integral of a LLG equation using the effective magnetic field, and computes an average magnetization for each element by averaging the magnetization vectors. | 06-27-2013 |
20130166230 | MAGNETIC PROPERTY ANALYZING METHOD AND APPARATUS - A magnetic property analyzing apparatus calculates vector potentials of each of elements to which an analyzing target is segmented by meshing, using an average magnetization obtained for each of the elements, and performs a magnetic field analysis of sub-grids arranged along one direction within each of the elements. An average magnetization with respect to each of the elements is calculated by performing a time integral on a LLG (Landau Lifshitz Gilbert) equation using a magnetic field obtained from the magnetic field analysis in order to perform a magnetic property analysis. | 06-27-2013 |
20130226476 | Discrete time ESD test data logger - The invention relates to a process and an apparatus for monitoring electrostatic threats or events, and for testing electrostatic dissipation devices wherein data from at least one sensor or input is displayed in discrete real time on a human readable digital display in discrete real time. Typically the invention monitors the resistance of at least one electrostatic dissipation device in contact with a person, is capable of detecting and possibly responding to electrostatic events or voltage threats, and utilizes the presence of electrical noise on analog input as an indication that the apparatus is operating as expected. | 08-29-2013 |
20130226477 | IDENTIFICATION OF INTEGRATED CIRCUITS - Techniques are generally described for generating an identification number for an integrated circuit (IC). In some examples, methods for generating an identification of an IC may comprise selecting circuit elements of the IC, evaluating measurements of an attribute of the IC for the selected circuit elements, wherein individual measurements are associated with corresponding input vectors previously applied to the IC, solving a plurality of equations formulated based at least in part on the measurements taken of the attribute of the IC for the selected circuit elements to determine scaling factors for the selected circuit elements, and transforming the determined scaling factors for the selected circuit elements to generate an identification number of the IC. Additional variants and embodiments may also be disclosed. | 08-29-2013 |
20130231879 | ANALYZER - An analyzer comprises a particle system acquisition unit operative to acquire information on a particle system defined in a virtual space; a magnetic moment association unit operative to associate a particle in the particle system with a magnetic moment; a numerical operation unit operative to perform numerical operation according to a governing equation that governs a motion of each particle in the particle system, the particle system including the particle which is associated with the magnetic moment by the magnetic moment association unit; and a magnetic field calculation unit operative to calculate a magnetic field created by the particle system using the results of the numerical operation performed by the numerical operation unit. | 09-05-2013 |
20130317767 | MEASUREMENT ERROR CORRECTION METHOD AND ELECTRONIC COMPONENT CHARACTERISTIC MEASUREMENT APPARATUS - In a measurement error correction method and an electronic component characteristic measurement apparatus, for each of correction-data acquisition samples having electrical characteristics different from one another, electrical characteristics S | 11-28-2013 |
20140046607 | METHOD AND SYSTEM FOR SIGNAL GENERATION VIA A TEMPERATURE SENSING CRYSTAL INTEGRATED CIRCUIT - Disclosed are various embodiments involving correction of signals generated by a crystal oscillator. An age of an integrated circuit or a time of use of the integrated circuit may be determined. A signal generated from a crystal of the integrated circuit may be modified based at least in part on the determined age of the integrated circuit or the determined time of use of the integrated circuit. | 02-13-2014 |
20140046608 | CALCULATING METHOD OF MAGNETIC FORCE CHARACTERISTIC, AND MAGNETIC FORCE CHARACTERISTIC COMPUTING DEVICE - A prestored database indicating a correspondence of δ (depth)/ΔHcJ (coercivity increment) and a prestored database indicating information of Dy diffusion condition (diffusion coefficient, diffusion flux and processing time regarding Dy diffusion) are used to compute distribution of Dy introduction amount in a magnet from shape information of the magnet and information of a Dy introduction face and compute distribution of ΔHcJ in the magnet from the distribution of Dy introduction amount. Regarding a magnet having a coercivity that is distributed non-uniformly, a J/H curve is computed using the computed distribution of ΔHcJ, and a demagnetizing factor at a predetermined temperature is computed using a temperature coefficient. | 02-13-2014 |
20140081584 | DISTRIBUTION ANALYSIS DEVICE - A distribution analysis device analyzes a distribution of a field having a property satisfying the Laplace equation, and includes: an obtainment unit that obtains measurement data indicating the distribution of the field measured through a sensor sensing area, the sensor sensing area being an area that moves in a measurement area where the distribution of the field is measured and being an area in which the field is sensed as an aggregate; and a calculation unit that calculates analysis data indicating the distribution of the field with a higher resolution than the measurement data, using an arithmetic expression that is obtained by deriving a solution of the Laplace equation using a boundary condition that an integral of the solution of the Laplace equation in a finite interval corresponding to a size of the sensor sensing area matches the measurement data. | 03-20-2014 |
20140088892 | IDENTIFICATION OF INTEGRATED CIRCUITS - Techniques are generally described for generating an identification number for an integrated circuit (IC). In some examples, methods for generating an identification for an IC may comprise selecting circuit elements of the IC, evaluating measurements of an attribute of the IC for the selected circuit elements, wherein individual measurements are associated with corresponding input vectors previously applied to the IC, solving a plurality of equations formulated based at least in part on the measurements taken of the attribute of the IC for the selected circuit elements to determine scaling factors for the selected circuit elements, and transforming the determined scaling factors for the selected circuit elements to generate an identification number of the IC. Additional variants and embodiments may also be disclosed. | 03-27-2014 |
20140129158 | WASHER ASSEMBLY AND JOINT MONITORING SYSTEM EMPLOYING THE SAME - A washer assembly is for use with a fastener. The washer assembly includes a first conductive portion, a second conductive portion, and an insulating portion disposed between the first conductive portion and the second conductive portion. The first conductive portion, the second conductive portion, and the insulating portion form a variable capacitor having a capacitance based on an amount of force applied thereto by the fastener. A wireless transponder unit includes a control unit electrically connected to the variable capacitor and an antenna electrically connected to the control unit. The control unit is configured to sense the capacitance of the variable capacitor, to generate information representing the capacitance, and to output the information to a wireless reader unit via the antenna. | 05-08-2014 |
20140297205 | DETERMINING AN ELECTROMAGNETIC RESPONSE OF A SAMPLE - Determining electromagnetic response of sample structure having predetermined bulk permittivity and permeability, to electron and radiation pulses, includes calculating electron pulse response of sample structure to electron pulse excitation, using finite-difference time-domain method. Electron pulse excitation is represented by non-singular current source driven by relativistic moving non-Coulombian electron charges, electron pulse response is calculated based on interaction of electron pulse excitation with electromagnetic modes of sample structure at laboratory frame, and electron pulse response depends on bulk permittivity and permeability of sample structure, calculating radiation response of sample structure to electromagnetic radiation excitation, using finite-difference time-domain method. Radiation response depends on bulk permittivity and permeability of sample structure, and providing electromagnetic response of sample structure by superimposing electron pulse response and radiation response. Electromagnetic response comprises electron-energy-loss spectra and/or experienced phase of electron wave functions after interacting with photons of electromagnetic radiation excitation. Method and measuring apparatus are also described. | 10-02-2014 |
20140303911 | METHOD FOR MEASURING THE ENERGY OF PULSES OF OPTICAL RADIATION AND DEVICE FOR IMPLEMENTING SAME - What are described are: method and a device for measuring the energy of impulses of optical radiation, with aid of which a measurement error associated with the indeterminacy of the precise time at which impulse occurred between discrete readings of an analog-digital converter is reduced. The useful effect is, achieved by means of introducing a normalizing impulse converter which generates impulse electrical signals with a standard form which is not dependent on the form of the radiation impulses, and a corresponding procedure for digital signal processing. | 10-09-2014 |
20140303912 | SYSTEM AND METHOD FOR THE AUTOMATIC DETERMINATION OF CRITICAL PARAMETRIC ELECTRICAL TEST PARAMETERS FOR INLINE YIELD MONITORING - Inline yield monitoring may include the use of one or more modules of algorithmic software. Inline yield monitoring may include the use of two related algorithmic software modules such as a learning and a prediction module. The learning module may learn critical PET (parametric electrical test) parameters from data of probe electrical test yields and PET attribute values. The critical PET parameters may best separate outliers and inliers in the yield data. The prediction module may use the critical PET parameters found by the learning module to predict whether a wafer is an inlier or an outlier in a probe test classification. | 10-09-2014 |
20140324368 | TEST METHOD, TEST SYSTEM AND ELECTRONIC DEVICE EMPLOYING THE SAME - A test method for an electronic device is provided. The method includes the following steps. A test file is obtained from a main server. The electronic device is tested according to the test file and a test result is generated. The test result is output to an interface of the electronic device that can be accessed by the main server. The main server polls the test result from the interface of the electronic device each time a predetermined time duration elapses. An electronic device with testing function and a test system are also provided. | 10-30-2014 |
20140372050 | LIFE DIAGNOSIS METHOD FOR POWER STORAGE DEVICE - During initial charging for forming a predetermined bus voltage in a direct-current bus performed in a converter circuit when power is supplied to a motor control apparatus to which a power storage apparatus is connected, a step-down switching element in a step-up/down chopper circuit in the power storage apparatus is caused to perform ON/OFF operations a predetermined times to apply the initial charging to a power storage device, actual capacitance of the power storage device is calculated from total energy given to the power storage device in a period of the ON/OFF operations performed the predetermined times and a charging voltage indicated by the power storage device, and the calculated actual capacitance and initial capacitance of the power storage device are compared to estimate a deterioration degree of the power storage device and diagnose the life of the power storage device. | 12-18-2014 |
20150012230 | Method of measuring micro- and nano-scale properties - This invention is a novel methodology for precision metrology, sensing, and actuation at the micro- and nano-scale. It is well-suited for micro- and nano-scale because it leverages off the electromechanical benefits of the scale. The invention makes use of electrical measurands of micro- or nano-scale devices to measure and characterize themselves, other devices, and whatever the devices subsequently interact with. By electronically measuring the change in capacitance, change in voltage, and/or resonance frequency of one or more test structures, a multitude of geometric, dynamic, and material properties may be extracted with a much higher accuracy and precision than conventional methods. | 01-08-2015 |
20150142343 | Thermal Age Tracking System and Method - Embodiments of the invention provide systems and methods for tracking the thermal age of a self-regulating heating cable. Over a time period, current and voltage data for a cable signal are collected, from which spectral information is extracted. The spectral information has a frequency component and an amplitude component. The cable signal is processed to extract a line frequency signature that includes the electrical system's line current frequency and at least some of its harmonics. A ratio of the amplitudes of at least two of the odd harmonics of the line current frequency is calculated. The ratio is compared to an aging curve indicating the thermal age of the cable as a function of the odd-harmonic ratios. The curve may be obtained in a laboratory setting or in the field by characterizing a cable with zero hours of use. The characterizing may include aging the cable to determine the curve. | 05-21-2015 |
20150355299 | METHOD AND APPARATUS FOR OPERATING A MEASURING DEVICE - The invention concerns a method for operating a measuring (data acquisition) device, particularly a magnetic resonance device of the type, wherein, in each of at least one determination pass, at least one result data record is determined in dependence on a default data record, wherein the result data record has at least one control parameter for controlling the measuring device for the acquisition of measurement data and/or at least one evaluation result determined from the measurement data, and wherein the determination pass includes multiple steps, in each of which an output data record is determined in dependence on an input data record and at least one processing rule, and wherein at least one of the steps is a dependent step in which the input data record of which is determined in dependence on the output data record of at least one further one further step among the multiple steps. | 12-10-2015 |
20150369756 | SCANNING APPARATUS - A method of scanning a shoe. The method comprises directing from a source at least one first signal at the shoe, the at least one first signal comprising substantially millimetre and/or microwave radiation, receiving at one or more receivers a plurality of second signals, the plurality of second signals comprising reflections of the at least one first signal from different positions with the shoe. The method further comprises processing each of the second signals to determine a plurality of reflection positions within the shoe and processing the plurality of second signals and reflection positions to generate second data, the second data indicating a composition of the shoe. | 12-24-2015 |
20160018484 | DISTRIBUTION ANALYZING DEVICE AND DISTRIBUTION ANALYZING METHOD - A distribution analyzing device ( | 01-21-2016 |
20160018485 | METHOD FOR AUTOMATICALLY RECOGNISING A MAGNETIC OBJECT - A method for recognizing a magnetic object includes holding the object immobile in front of an array of N (where N is >five) tri-axial magnetometers (M | 01-21-2016 |
20160035545 | Methods and Systems for Managing Semiconductor Manufacturing Equipment - Provided are methods and systems for managing semiconductor manufacturing equipment. A method may include preventive maintenance involving steps of disassembling, cleaning, and assembling parts of a chamber. The assembling of the parts may include checking whether the parts are correctly assembled, using reflectance and absorptivity of a high-frequency voltage applied to the parts. | 02-04-2016 |
20160041219 | METHOD AND DEVICE FOR DETERMINING POWER SYSTEM PARAMETERS - A method for determining a dielectric parameter of an electrical insulation of a power system component comprises the following steps: determining the activation energy of the electrical insulation, determining the actual temperature (T1) of the electrical insulation and the temperature (T2) to which the measurement is to be corrected, calculating a correction factor (Axy) by means of the Arrhenius equation, stimulating the electrical insulation with a DC voltage stimulation signal; determining a response for the power system to the DC voltage stimulation signal at the actual temperature, and determining the parameter of the electrical insulation at the temperature to which the measurement is to be corrected based on the response modified by means of the correction factor. Thereby, the individual characteristics of the power system apparatus insulation is taken into account. A device for determining a dielectric parameter of an electrical insulation of a power system component is also provided. | 02-11-2016 |
20160077182 | METHODS AND APPARATUS FOR ACCURATE CHARACTERIZATION OF SIGNAL COIL RECEIVER SENSITIVITY IN MAGNETIC RESONANCE IMAGING (MRI) - A method for estimating receiver sensitivity in a magnetic resonance (MR) system. The method includes steps of acquiring an image SI(x); determining a transmission function T(x) including using Bloch's equation with an estimated transmit field B | 03-17-2016 |
20160146864 | Power System Monitoring and Control Apparatus, and Power System Monitoring and Control Method - To provide a power system monitoring and control apparatus that is capable of acquiring a measurement value at each point in a power system, which, is required for power system monitoring and control, according to the configuration or the physical quantity of the system even under low-speed communication environment. Disclosed is a power system monitoring and control apparatus ( | 05-26-2016 |