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7457969 Computer system monitoring  
A computer monitoring system includes a sensor, a non-volatile storage and a controller. The sensor measures a parameter of a computer, and the non-volatile storage holds a threshold representing...
7454299 Device and method for detecting an end of a movement of a valve piston in a valve  
A device is embodied for detecting a first variable that is representative of an induced voltage induced by a movement of a valve piston in the coil of a valve. The device is further embodied for...
7451049 Automatic delays for alignment of signals  
In one embodiment, a system comprises a delay determining unit that may be operable to determine a relative delay between the first signal provided by the first source and the second signal...
7447603 Power meter  
The computational resources of a digital power meter can be reduced by utilizing an interrupt requested in anticipation of interrupt latency to perform real-time tasks, an approximation of a root...
7444275 Multi-variable polynomial modeling techniques for use in integrated circuit design  
Techniques are disclosed for modeling a cell of an integrated circuit design. In one aspect of the invention, a full-space polynomial model is fit to cell information comprising measured data...
7444268 Method and apparatus for identifying a drift in a quantized signal in a computer system  
One embodiment of the present invention provides a system that identifies a drift in a signal in a computer system. During operation, the system receives a sequence of quantized signal values of...
7444253 Air bridge structures and methods of making and using air bridge structures  
A probe card assembly, according to some embodiments of the invention, can comprise a tester interface configured to make electrical connections with a test controller, a plurality of electrically...
7437271 Methods and apparatus for data analysis  
A method and apparatus for testing semiconductors according to various aspects of the present invention comprises a test system comprising composite data analysis element configured to analyze...
7434450 Method and apparatus for detecting exhaust gas sensor defect  
An air-fuel ratio sensor that outputs a sensor signal used for the feedback control of an air-fuel ratio is provided. It is determined whether an element crack is present by applying a reverse...
7437251 Correction of sensor non-equipotentiality in a resistivity imaging device  
A method for correcting data from at least one sensor electrode in a sensor includes determining a potential difference (V) between two electrodes; from the potential difference (V), determining a...
7424390 Method to evaluate whether a time delay is better than a time limit  
A method for testing the time delay error ratio ER of a device against a maximal allowable time delay error ratio ERlimit with an early pass and/or early fail criterion, whereby the early pass...
7418370 Method, apparatus and computer program providing broadband preconditioning based on reduced coupling for numerical solvers  
This invention relates to computing numerical solutions of linear systems of equations, specifically to implementing preconditioning of the coefficient matrix of such a system. The preconditioning...
7415366 Electronic field device with a sensor unit for capacitive level measurement in a container  
A field device electronics with a sensor unit for capacitive fill level measurements in a container, wherein the field device electronics is connected over appropriate signal paths with the sensor...
7404071 Memory modules having accurate operating current values stored thereon and methods for fabricating and implementing such devices  
Memory modules having accurate operating current values stored thereon and methods for fabricating and implementing such devices to improve system performance. Memory modules comprising a number...
7401007 Method, computer program and apparatus for extracting large size signal data samples with an automatically adjusted decimation ratio  
A method for rapidly extracting data file samples with an a signal monitor and an automatically adjusted decimation ratio is provided to solve the long-standing problems caused by large data files...
7400986 Usage monitoring apparatus  
An apparatus is disclosed for monitoring usage of multiple electrical devices. The apparatus comprises multiple non-invasive current sensors for sensing current in respective conductors associated...
7398194 Distributed energy resources  
An improved method for analyzing power systems; in particular, power systems that may incorporate distributed energy resources (DER), that provides a thorough determination of the potential for...
7395162 Load coil detection and localization  
A method is described herein that can be used to detect the presence of a load coil within a transmission line. The method can also be used to determine the number of load coil(s) present within...
7392147 USB port tester  
A Universal Serial Bus (USB) port tester for testing a USB port of an electronic device includes an interface unit, a current-testing unit, and a voltage-testing unit. The interface unit is used...
7389191 Apparatus and method for S-parameter calculation, and program and recording medium thereof  
According to the present invention an S-parameter file input section inputs S-parameters for each device constituting a system subject to a transmission analysis, a port position correspondence...
7389194 Driver calibration methods and circuits  
Described are amplifiers that facilitate high-speed communication with calibrated drive strength and tennination impedance. Drivers and termination elements can be divided into a number N of...
7388977 Test system and method for portable electronic apparatus  
A test system for testing a portable electronic apparatus having a digital image capture module and a test interface is described. The test system has at least a sender, a holder, and a...
7386402 Remotely reconfigurable system for mapping structure subsurface geological anomalies  
Methods and apparatus are provided for receiving, detecting and transmitting geophysical data from a plurality of electrodes placed in the soil utilizing a dynamically reconfigurable wireless...
7383137 Method and apparatus for measuring absolute and net power consumption for computer systems  
A method for managing power data includes determining an amount of power used for a system running an application over a first time period from an operating system. An amount of power used for the...
7379829 Method and apparatus for automated characterization of objects with unknown RF characteristics  
A method for generating radio frequency (RF) planning modeling data for an object. The method includes placing an RF signal source near the object and sequentially positioning a receiver at a...
7376525 Apparatus and method for estimation of initial phase of a brushless motor  
An apparatus comprises a brushless motor, driver, incremental displacement sensor, and processor. The motor has a rotor, stator, and electrical terminals accepting a drive signal. The initial...
7376535 Wideband matching circuit and method of effectuating same  
A method is provided for determining an optimal performance of a lossless circuit. In one embodiment, the number of inductors and capacitors contained in a circuit of interest are input, and then...
7373435 Extended input/output measurement block  
An Input/output (I/O) measurement block facility is provided that creates subchannel measurement blocks (comprising device busy values) related to performance of an I/O operation of a subchannel,...
7373263 Analog-type measurements for a logic analyzer  
A logic analyzer that performs analog-type measurements on digital data includes circuitry in its acquisition system that is programmable to search through acquired data to detect analog-type...
7369950 System and method for power quality analytics  
A power quality analysis system includes a combination of at least one of a power quality parameter value, power quality event properties, non-power quality properties, and time properties. The...
7363099 Integrated circuit metrology  
Sites to be measured on a device that is to be fabricated using at least one fabrication process, are selected based on a pattern-dependent model of the process. A metrology tool to measure a...
7363186 Apparatus and method for self calibration of current feedback  
The current drawn by a precision resistor that is selectively connected across a load is utilized to calibrate a current sensed by current sensing device that is connected in series with the load.
7359808 Fuel cell evaluation method and fuel cell evaluation apparatus  
A fuel cell evaluation apparatus of the present invention is provided with a fuel cell for generating electricity using fuel gas and oxidizer gas; a fuel gas supplying section for supplying the...
7356422 Apparatus and method for high-speed load shedding in an electrical power system  
An apparatus and method causes a response action in an electrical power distribution system having, inter alia, a plurality of intelligent electronic devices (IEDs) configured to provide...
7353137 Shoe-based weight measuring system  
A shoe-based weight measuring system, comprising: a shoe; one or more weight sensitive detectors constructed and arranged with the shoe to sense weight of a person wearing the shoe and walking or...
7353123 Leakage current or resistance measurement method, and monitoring apparatus and monitoring system of the same  
A measurement method is disclosed for measuring the resistance component leakage current. The signal waveform of at least one AC cycle is sampled in the resistance component leakage current...
7349815 Automated integration of data in utility monitoring systems  
An automated integrated monitoring (IM) algorithm that automatically puts data from a utility monitoring system into context by temporally aligning the data to a common reference point and by...
7343254 Resolver digital converter  
In a resolver digital converter comprising a resolver, a resolver digital conversion part, and an excitation signal generation part, the resolver digital converter for inputting an excitation...
7340437 Circuit configuration and method for identifying error situations in interconnected systems  
The circuit configuration according to the invention comprises an electrical signal line loop, several partial systems connected thereto, which evaluate the state of the signal line loop, wherein...
7337081 Metering device with control functionality and method thereof  
A metering device of a power substation and method are provided for operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform. The method includes...
7334485 System, method and computer-readable medium for locating physical phenomena  
A method, system and computer product for detecting the location of a deformation of a structure includes baselining a defined energy transmitting characteristic for each of the plurality of...
7333915 Signal conditioning arrangement and method of conditioning a signal  
A signal conditioning arrangement includes a sensor arrangement for sensing a measured quantity and for outputting an output signal having a first or a second logical signal state based on the...
7317998 Method for the calculation and the assessment of the frequency spectrum of a matrix converter  
A method for the calculation of an output spectrum of a matrix converter in which m phases of a generator as an input are alternatingly connected via a multiple number of controllable...
7315789 Method and system for battery parameter estimation  
Methods and systems for predicting a cell capacity associated with a cell of an electrochemical cell system are provided. In one exemplary embodiment, the method determines a first predicate cell...
7313498 Device and method for testing an electrical circuit  
A method and device for testing an electrical circuit, which do not require a thorough electrical circuit simulation but reliably identifying circuit faults. Preferred embodiments generate a fault...
7313489 System and method utilizing virtual switching for electrical panel metering  
A system and method utilizing virtual switching in an electrical panel meter. The virtual switching enables the meter to be upgraded or downgraded through a switching signal, by activating or...
7308375 System and method for determining light source current  
A system and method are provided for determining a light output of a light emitting diode (LED) in a scanner. The system includes a processor circuit to execute current control logic to obtain an...
7308340 Information processing apparatus and cooling method  
According to one embodiment, an information processing apparatus comprises a memory to store a first operating system used in a first mode and a second operating system used in a second mode,...
7305311 Arc detection and handling in radio frequency power applications  
A radio frequency power delivery system comprises an RF power generator, arc detection circuitry, and control logic responsive to the arc detection circuitry. A dynamic boundary is computed about...
7305310 System and method for compensating for potential and current transformers in energy meters  
A meter device for measuring electrical energy is provided. The meter device includes circuitry for measuring at least one parameter of electrical energy provided to the meter device. A storage...