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| Number | Title | Issue Date |
| 8175851 | Using statistical learning methods to fuse parameter estimates A preferred estimate of a given parameter is made by processing a set of data points representing estimates of the given parameter, such as the angle of arrival of a target signal. The process includes the steps of: (a) obtaining a set of data points representing es... | 05/08/2012 |
| 8165850 | Determining the direction of a signal source A system for measuring signals received by an apparatus. An antenna system in the apparatus may include two or more antennas. A receiver in the apparatus may be configured to measure signal response induced in the antenna system in accordance with a pattern. After t... | 04/24/2012 |
| 7860689 | Method and computer programme for detecting the stationary state of a roller bearing and a roller bearing which may be analyzed thus The invention relates to a method and a computer programme for detecting the stationary state of a roller bearing, comprising z rolling bodies, where z is a whole number, preferably an even number, to which a sensor arrangement is fixed, delivering a sinusoidal sign... | 12/28/2010 |
| 7822580 | Method and a system for monitoring the condition and operation of periodically moving objects A system and method for monitoring a condition and an operation of a periodically moving object is provided. Herein a synchronized time average is calculated for a measurement signal, the signal containing periodical variations and obtained from the object response.... | 10/26/2010 |
| 7729890 | Method for determining the change of a signal, and an apparatus including a circuit arranged to implement the method A method of estimating a change of a variable over a measurement window, including the steps of taking multiple samples of the variable during the measurement window, defining a weight to be associated with each sample, the weight varying as a function of position o... | 06/01/2010 |
| 7321847 | Apparatus and methods for reduction of coherent noise in a digital signal averager Apparatus and methods are provided for reducing coherent noise in measurements of repetitive analog signal waveforms by digital signal averagers. Coherent noise is repetitive and synchronous with the signal waveform and is therefore undiminished by conventional sign... | 01/22/2008 |
| 7302353 | Method for radiation spectroscopy using seeded localized averaging (“SLA”) and channel-address recycling A method, and apparatus for carrying it out, for processing pulses derived from a radiation detector, those pulses having already been resolved by a pulse-height analyzer into channels having respective addresses indicative of their respective heights. The method in... | 11/27/2007 |
| 7269523 | Method and apparatus for radiation spectroscopy using seeded localized averaging (“SLA”) A method, and apparatus for carrying it out, for processing pulses derived from a radiation detector, those pulses having already been resolved by a pulse-height analyzer into channels having respective addresses indicative of their respective heights. The method in... | 09/11/2007 |
| 7260446 | Temperature protection method for machine tool A method of protecting a rotating device, loaded by temperature of a machine tool with one temperature sensor on that device and a temperature bloc, comprising the steps of inputting specific parameters in the temperature bloc, estimating a value for the device temp... | 08/21/2007 |
| 7243052 | Method and apparatus for determining hysteresis The invention relates to a method and a system for determining hysteresis of a process device in a process environment. The process comprises collecting (50) second-level sample data ys and us from control and measurement signals u and y of a control circuit.... | 07/10/2007 |
| 7209809 | Method and apparatus for obtaining high integrity and availability in multi-channel systems Systems and methods for asynchronous multi-channel data communications are provided. An embodiment of the invention includes a minimum of three channels for digital computation in Primary Flight Computers and four channels for digital/analog conversion in Actuation ... | 04/24/2007 |
| 7199739 | Programmable sample rate analog to digital converter and method for use therewith A programmable sample rate ADC includes a delta sigma modulator for producing a digital signal, and a programmable decimation filter, that includes X stages of integration, a down-sampling stage for down-sampling by a factor of N, and Y stages of differentiation. Th... | 04/03/2007 |
| 7117046 | Cascaded control of an average value of a process parameter to a desired value At least one of the multiple process parameters (MPPs) is a controllable process parameter (CTPP) and one is a targeted process parameter (TPP). The process also has a defined target limit (DTV) representing a first limit on an actual average value (AAV) of the TPP.... | 10/03/2006 |
| 7117128 | Method and apparatus for digital signal filtering A Q-Filter is a reconfigurable technique that performs a continuum of linear and nonlinear filtering operations. It is modeled by unique mathematical structure, utilizing a function called the Q-Measure, defined using a set of adjustable kernel parameters to enable ... | 10/03/2006 |
| 7113835 | Control of rolling or moving average values of air pollution control emissions to a desired value A controller directs performance of a process having multiple process parameters (MPPs), including a controllable process parameter (CTPP), a targeted process parameter (TPP), a defined target value (DTV) representing a limit on an actual average value (AAV) of the ... | 09/26/2006 |
| 7107120 | Apparatus and method for controlling inter-process buffer, and program and storage medium realizing the same An object of the invention is to minimize the number of in-process items. To this end, in an inter-process buffer controlling apparatus according to the invention, the size of a buffer to be used for storage of work subjects of predetermined work is increased if a d... | 09/12/2006 |
| 7095364 | Altitude measurement system and associated methods An altitude measuring system and method for aircraft is provided. The altitude measuring system includes altitude sensors for providing data to an altitude processing unit. The altitude processing unit spatially averages each output to determine a mean altitude. Pit... | 08/22/2006 |
| 7043406 | Apparatus and methods for reduction of coherent noise in a digital signal averager Apparatus and methods are provided for reducing coherent noise in measurements of repetitive analog signal waveforms by digital signal averagers. Coherent noise is repetitive and synchronous with the signal waveform and is therefore undiminished by conventional sign... | 05/09/2006 |
| 7024254 | Method for controlling a discrete system A system and method for controlling a controlled parameter that affects a target parameter of a target zone is disclosed. The method comprises providing a feedback control loop having a switching controller, a controlled device, and an averaging device. The controll... | 04/04/2006 |
| 7016814 | Method and device for determining the quality of a signal According to an objective measurement technique for determining the quality of an output signal (X(t)) of an audio or voice signals-processing and/or -transporting system, the output signal and a reference signal (Y(t)) are mapped on representation signals (R(X), R(... | 03/21/2006 |
| 6999905 | Method for extracting significant signal, recording medium and program A method for extracting a signal of interest from a signal generated from at least one subject, comprises the steps of (A) obtaining a time-series signal generated from the subject as a data group consisting of a plurality of pieces of data, (B) obtaining a pluralit... | 02/14/2006 |
| 6990436 | Computing frequency by using generalized zero-crossing applied to intrinsic mode functions This invention presents a method for computing Instantaneous Frequency by applying Empirical Mode Decomposition to a signal and using Generalized Zero-Crossing (GZC) and Extrema Sifting. The GZC approach is the most direct, local, and also the most accurate in the m... | 01/24/2006 |
| 6940291 | Capacitive sensor systems and methods with increased resolution and automatic calibration Methods and systems for capacitive proximity and contact sensing employ one or more simple sensors (which may be a conductive fiber or pattern of conductive ink) in communication with a microcontroller. Digital signal processing executed by the microcontroller enabl... | 09/06/2005 |
| 6941027 | Method of and system for automatically determining a level of light falloff in an image An image processing system includes an image collector and a light falloff correction system. The light falloff correction system comprises a polar transformer that converts an image into radial traces and a falloff fitter that fits the radial traces to a model of f... | 09/06/2005 |
| 6935596 | Process and system for piloting an aircraft The piloting system (1) for generating orders for piloting the aircraft according to at least one piloting axis, for example the pitch axis, the roll axis, the yaw axis or the engine thrust control axis, comprises at least two piloting means (2, 3), ea... | 08/30/2005 |
| 6931363 | EDR direction estimating method, system, and program, and memory medium for storing the program The aim of the present invention is to estimate EDR directions in a single index model composed of a large number of variables with simple calculations without using the inverse matrix of the variance-covariance matrix and principle component analysis. Data conversi... | 08/16/2005 |
| 6917904 | Method of and apparatus for path-searcher window positioning An average position estimate is determined using an instantaneous position estimate, a previously-determined average position estimate, a previously-determined average signal power, and an instantaneous signal power. The average signal power is determined using the ... | 07/12/2005 |
| 6915224 | Method for optimum spectrum analysis In a method of spectrum analysis, a sample signal, which is obtained by sampling an original signal at an original sampling rate within a sampling period, is transformed into a spectrum to be measured according to a frequency range scale. An optimum graduation inter... | 07/05/2005 |
| 6825775 | Method and system for reducing interference Method and systems for reducing effects of magnetic field interference that may interfere with a magnetic field signal generated at or near an underground object, where the magnetic field signal is used to monitor the location of the underground object. At least two... | 11/30/2004 |
| 6810351 | Position detector A position detector includes a position indicator. Transmission/reception of electromagnetic waves relative to the position indicator is performed at least twice while the same loop coil is being selected. With a counter circuit and a switch circuit, a phase differe... | 10/26/2004 |
| 6757641 | Multi sensor transducer and weight factor A multi-sensor transducer and processing method allow insitu monitoring of the senor accuracy and transducer ‘health’. In one embodiment, the transducer has multiple sensors to provide corresponding output signals in response to a stimulus, such as pressure. A p... | 06/29/2004 |
| 6697743 | Apparatus for measuring intake air flow of internal combustion engine An apparatus for measuring an intake air flow of an internal combustion engine, wherein presence of a backflow is determined from a waveform of the electric signal of flow detecting unit. If a backflow is present, a kurtosis is calculated. A backflow rati... | 02/24/2004 |
| 6522996 | Non-stationary/transient signal feature extraction system Principal features are inventively derived from a non-stationary time series signal, and can be used to classify the attributes of the signal. Intrinsic to the invention is its recognition of the value of information contained within singular vectors. The... | 02/18/2003 |
| 6477485 | Monitoring system behavior using empirical distributions and cumulative distribution norms Sensors (12) attached to various parameters of a system (11), such as an elevator system or a chiller, provide values (14) of corresponding parameters which are utilized to build (15) an empirical distribution of the process, such as by means of bootstrap... | 11/05/2002 |
| 6449570 | Analysis of noise in repetitive waveforms A system is disclosed for precisely measuring time intervals, used to either characterize or diminish noise components in repetitive waveforms. An interval timer generates a whole number count of cycles in combination with beginning and ending ramps capab... | 09/10/2002 |
| 6424932 | Methods and apparatus for measuring spectral energy The spectral energy in the signal emitted by a mobile telephone handset is measured for portions of the signal carrying random data, both before and after a non-random midamble. By including both random portions in the measurement the time taken to perfor... | 07/23/2002 |
| 6253159 | Process control using multiple detections Methods of controlling manufacturing processes manufacturing, for example, absorbent articles. A target parameter to be measured is established, as are acceptable conditions of the target parameter. The target parameter is detected with first and second r... | 06/26/2001 |
| 6185515 | Method and device for detecting a filling threshold for an electrically insulating reservoir containing an electrically conductive product, for example a printing ink The object of the invention is the detection of a given threshold (optionally zero) for filling, with an electrically conductive product, a reservoir made of electrically insulating material having a storage cavity connected to an outlet channel. An excit... | 02/06/2001 |
| 6185509 | Analysis of noise in repetitive waveforms A system is disclosed for precisely measuring time intervals, used to either characterize or diminish noise components in repetitive waveforms. An interval timer generates a whole number count of cycles in combination with beginning and ending ramps capab... | 02/06/2001 |
| 6104968 | Programmable supervisory circuit and applications therefore The invention herein provides a supervisory circuit which is adapted to monitor an input signal and produce as an output signal, a parametric signal corresponding to the input signal. The circuit includes an input for receiving the input signal, and a sto... | 08/15/2000 |
