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| Number | Title | Issue Date |
| 8185358 | Apparatus for measuring distortion power quality index and method of operating the apparatus A method of measuring a power quality index. A total current waveform of an ingress from a customer, and a current waveform and a voltage waveform of each of at least one load installed at the customer are measured. A load composition (LC) of the customer using the ... | 05/22/2012 |
| 8185359 | System and method for transforming data between the time domain and the combustion pulse domain A method for transforming machine sensor data between a time domain and a combustion pulse domain is disclosed. The method may include determining a number of pulse events per rotation of a shaft and determining a sampling rate per pulse event. The method may also i... | 05/22/2012 |
| 7548836 | Method and apparatus for compensating for AC coupling errors in RMS measurements Apparatus for compensating for a coupling error in an input signal may include a blocking correction filter. The blocking correction filter is in operable connection with an AC coupling circuit. The blocking correction filter applies to the input signal a transfer f... | 06/16/2009 |
| 7372392 | Charge balancing method in a current input ADC A method for charge balancing in a current input ADC including maintaining a low capacitance value at the integrator output node where the capacitance value is independent of the integrator output voltage and operating conditions, generating a first voltage pedestal... | 05/13/2008 |
| 7359839 | Data processing apparatus and scheme for signal measurement A measure system for signal measurement is introduced. The measure system simplifies the effort for a signal measurement in many applications. The application for a signal measurement is, for example, computation of a signal average value. The measure system include... | 04/15/2008 |
| 7348907 | Range compression in oversampling analog-to-digital converters An analog-to-digital converter according to the invention is provided. The analog-to-digital converter preferably includes an analog input signal, a first reference signal, a second reference signal, and a range compression signal. The range compression signal is pr... | 03/25/2008 |
| 7347652 | Method for milling grooves in bored workpieces A numerical control unit issues a sequence of instructions for causing a spindle of a cutter disk in a tool machine to perform successive straight displacements approximating a spiral of Archimedes, with a predetermined angle step from one point to the next, and iss... | 03/25/2008 |
| 7328621 | Method of processing oscillatory data A method of processing oscillatory response data from a resonant system includes: obtaining data measuring an oscillatory response of the system at a plurality of evenly spaced time intervals; obtaining a plurality of reference frequencies from the data at a plurali... | 02/12/2008 |
| 7310104 | Graphics display system with anti-flutter filtering and vertical scaling feature A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video input, and graphics input. The chip includes a single polyphase filter that preferably provides both anti-... | 12/18/2007 |
| 7308382 | Determining the minimum operation and shutdown time A system and method for determining minimum operation and startup for a generator are described herein. A method and system according to the invention may include assigning a binary value to one or more commitment status variables each associated with an increment o... | 12/11/2007 |
| 7305327 | Wireless meter for real time measurements and method therefor A wireless metering device for real time measuring of at least one parameter has a probe for measuring the at least one parameter. The probe will wirelessly transmit real time measured values. A meter is wirelessly coupled to the probe. The meter is used for display... | 12/04/2007 |
| 7276903 | Quadrupolar nuclei NMR using residual dipolar splittings in solids A method for obtaining NMR (=nuclear magnetic resonance) spectra of quadrupolar nuclei having spin I>½ using magic angle spinning (=MAS) in solid powders and transfer of coherences from a neighboring nucleus with spin S= 1/2 to single- or double-quantum transition... | 10/02/2007 |
| 7244929 | Encoder with absolute signal processing and incremental signal output and method of using such an encoder An encoder device for the determination of absolute angle or linear segments is described, with which the distance from the actual to the reference position is determined upon prompting and output via incremental signals. This encoder offers new functions for the in... | 07/17/2007 |
| 7233883 | Monitoring system for fuel cell stack A monitoring system includes a plurality of monitoring devices adjacently provided to a group of integrated fuel cell stacks for measuring a voltage of the fuel cell units. Each of the monitoring devices includes a plurality of monitoring sensors adapted for electri... | 06/19/2007 |
| 7207121 | Digital measurement system A digital measurement system is provided for an apparatus including first and second parts that are positionally adjustable relative to one another, the first part having a base surface and the second part being selectively adjustable toward and away from the base s... | 04/24/2007 |
| 7187160 | Systems and methods for measuring an RMS voltage An embodiment of a method for measuring an RMS voltage of an arbitrary time-varying waveform includes: a) coupling said arbitrary time-varying waveform to said thermally sensitive device; b) decoupling said arbitrary time-varying waveform from said thermally sensiti... | 03/06/2007 |
| 7158900 | Pulse output function for programmable logic controller At least one exemplary embodiment of the present invention includes a method comprising obtaining a first frequency and a second frequency. The method also comprises creating a table of values comprising a plurality of target frequencies intermediate to the first an... | 01/02/2007 |
| 7129698 | Method and device for preparing a sensor signal of a position sensor for transmission to an evaluation unit The present invention is based on the finding that the evaluation of the sensor signals of a position sensor with a mechanical period or, in general terms, the cooperation between position sensors and evaluation units, can be improved by eliminating divergence betwe... | 10/31/2006 |
| 7107048 | Inversion-conforming data sets processing In lieu of the common practice of attempting to maximize the likelihood of sample deviations from unknown true values, representations of data inversions are generated by implementing optimizing techniques which are based upon a concept of maximizing the likelihood ... | 09/12/2006 |
| 7071759 | Method for determining RMS values for grid-linked converters Techniques for determining root mean square (RMS) values of a signal for controlling operation of grid-linked converters, such as DC-to-AC inverters, via squaring the signal, sampling the squared signal n times during a cycle period to obtain n samples, summing the ... | 07/04/2006 |
| 7069180 | Method and apparatus for availability measurement of complex networks A method for performing an availability measurement on a networked system comprising: identifying at least one measurement point in the system; defining a measurement model configured to return a pass or fail result corresponding to a threshold sensed at the at leas... | 06/27/2006 |
| 7062417 | Multivariate statistical process monitors An extended partial least squares (EPLS) approach for the condition monitoring of industrial processes is described. This EPLS approach provides two statistical monitoring charts to detect abnormal process behaviour as well as contribution charts to diagnose this be... | 06/13/2006 |
| 7042940 | Digital video signal transmission apparatus and image display apparatus A digital video signal transmission apparatus is provided with (a) a digital video signal conversion circuit for converting each chrominance signal of an input digital video signal in such a manner that every plural frames (1) in one frame of the plural frames each ... | 05/09/2006 |
| 7034517 | Multimeter with filtered measurement mode A multimeter with a filtered measurement mode. By pressing a single button or key, a low-pass filter is switched into the signal path to filter voltage spikes, noise, and switching transients from pulse-width modulated pulses, or lower frequency sinusoidal signals w... | 04/25/2006 |
| 7016796 | Fast and accurate AC RMS and DC measurement A small microcontroller or a DSP may be used to process digital signals representative of a measurement. Furthermore, special RMS AC measurement or DC noise rejection algorithms may have to be run on the microcontroller or the DSP. Other implementations may use cust... | 03/21/2006 |
| 7006929 | Signal detecting sensor provided with multi-electrode A sensor capable of simply and quickly measuring the electrical activities of a number of cells simultaneously and a device comprising the sensor and capable of detecting the signal transmission between subject cells are provided. The sensor comprises a plurality of... | 02/28/2006 |
| 7006156 | Image data output device and receiving device Image data scaled by a scaling circuit and then multiplied by a weighting factor by a weighting factor multiplier circuit and an on-screen-display (OSD) data multiplied by a weighting factor by a weighting factor multiplier circuit and then scaled by a scaling circu... | 02/28/2006 |
| 6950764 | Arrangements to detect and respond to disturbances in electrical power systems A control arrangement and method is provided for detecting and responding to disturbances in electrical power systems. In a preferred arrangement, an integration is initiated that is based on a comparison of actual voltage of a source and a reference voltage. When t... | 09/27/2005 |
| 6873935 | System and method for statically checking source code The present invention is directed at a system and method for statically checking source code to determine potential compatibility issues with a new software release. The system and method perform a static check on input source files associated with a software releas... | 03/29/2005 |
| 6865494 | Method and apparatus for noise tomography The subject invention pertains to an imaging technique and apparatus which can utilize an array of RF probes to measure the non-resonant thermal noise which is produced within a sample, such as a body, and produce a non-resonant thermal noise correlation. The detect... | 03/08/2005 |
| 6795793 | Method and apparatus for evaluating data and implementing training based on the evaluation of the data The present invention provides systems and methods for statistically analyzing collected data and providing training for the collection of the data. In one embodiment, the system and method are configured to collect data about a plurality of objects and determine a ... | 09/21/2004 |
| 6772101 | Position detection apparatus and arithmetic processing unit Angle data ranging from 0° to 360° obtained by performing polar conversion with respect to a periodic signal are input to a low pass filter having: a phase accumulator for outputting smoothed angle data; a phase comparator for obtaining a phase error between the a... | 08/03/2004 |
| 6766280 | Device, method, and medium for predicting a probability of an occurrence of a data In a Bayes mixture probability density calculator for calculating Bayes mixture probability density which reduces a logarithmic loss A modified Bayes mixture probability density is calculated by mixing traditional Bayes mixture probability density calculated on give... | 07/20/2004 |
| 6757635 | Programmed method and apparatus for quadrature output sensors A sensor is provided in one illustrative embodiment that includes a microcontroller that executes a program that generates quadrature output signals that indicate the change in a parameter being measured. As an example, the sensor could comprise a linear position tr... | 06/29/2004 |
| 6721692 | Systems and methods for determining spectra using dynamic least squares algorithms with measurements from LED color sensor An LED-based spectrophotometer uses a reconstruction algorithm, based on spectral information of an illumination source and a reference spectrophotometer, to convert integrated multiple illuminant measurements from a non-fully illuminant populated color sensor into ... | 04/13/2004 |
| 6687657 | Self-referential method and apparatus for creating stimulus representations that are invariant under systematic transformations of sensor states The inventive method and apparatus include sensory devices that invariantly represent stimuli in the presence of processes that cause systematic sensor state transformations. Such processes include: 1) alterations of the device's detector, 2) changes in t... | 02/03/2004 |
| 6668232 | Arrangements to detect and respond to disturbances in electrical power systems A control arrangement and method is provided for detecting and responding to disturbances in electrical power systems. In a preferred arrangement, an integration is initiated that is based on a comparison of actual voltage of a source and a reference volt... | 12/23/2003 |
| 6651036 | RMS-to-DC converter with fault detection and recovery A circuit that provides the root-mean-square (RMS) value of an input signal and that detects and independently recovers from an output fault condition is provided. The circuit includes reconfigurable circuitry that changes from normal operating mode to fa... | 11/18/2003 |
| 6567766 | Method for a fiber processing apparatus A system, software program, and method for monitoring performance of a fiber processing apparatus that preferably is a disk refiner or a filter screen that analyzes operating data pertaining to apparatus operation to determine when a plate of the apparatu... | 05/20/2003 |
| 6567770 | Remote semiconductor microscopy A method and apparatus are described for remote semiconductor microscopy whereby video signals are broadcast from one or more microscopes to remote viewers. A live video signal is broadcast from the microscope over a network to remote personal computers l... | 05/20/2003 |
