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Class 702/71 - Waveform-to-waveform comparison


Subclass of Class 702 - Data processing: measuring, calibrating, or testing
Definition: Subject matter including means for distinguishing or matching
No. of patents: 128
Last issue date: 05/01/2012


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NumberTitleIssue Date
8170822Compensation method for touch sensor system
A compensation method devoid of operating voltage calibration, establishing fundamental linearity calibration table and inputting, and detecting the actual operating voltage is disclosed. The compensation method comprises the steps of: a) turning off a switch in a t...
05/01/2012
7933728Skew measurement apparatus, skew measurement method, recording media and test apparatus
Provided is a skew measurement apparatus, including sampling sections that each sample one of a plurality of signals under measurement having a cycle T, a waveform reconfiguring section that shapes a reconfigured waveform having the cycle T by rearranging ordinal ra...
04/26/2011
7818134Method and apparatus for detecting forward/reverse speeds of continuously variable transmission for vehicles
A method and apparatus for detecting forward/reverse speeds of a continuously variable transmission for vehicles determines whether a vehicle is in a forward speed state or in a reverse speed state by using one speed detector having two sensors. The method for detec...
10/19/2010
7739062Method of characterizing the overlap of two media segments
A method of characterizing the overlap of two media segments is provided. In an instance where there is some amount of overlap of a file and a data sample, the file could be an excerpt of an original file and begin and end within the data sample. By matching identif...
06/15/2010
7542859Creating a virtual profile library
A method of creating a virtual profile library includes obtaining a reference signal. The reference signal is compared to a plurality of signals in a first library. The reference signal is compared to a plurality of signals in a second library. A virtual profile dat...
06/02/2009
7421355Measuring apparatus, measuring method, testing apparatus, testing method, and electronic device
There is provided a measuring apparatus for measuring a signal-under-test, having a comparator for sequentially comparing voltage values of the signal-under-test with a threshold voltage value fed thereto at timing of strobe signals sequentially fed thereto, a strob...
09/02/2008
7409320Complex signal decomposition and modeling
A system, method and program product for monitoring a complex signal for ultrasensitive detection of state changes, or for signature recognition and classification is provided. A complex signal is decomposed periodically for empirical modeling. Wavelet analysis, fre...
08/05/2008
7398169Measuring apparatus, measuring method, testing apparatus, testing method, and electronics device
There is provided a measuring apparatus for measuring a signal-under-test, having a comparator for sequentially comparing voltage values of the signal-under-test with a reference voltage value fed thereto at timing of strobe signals sequentially fed thereto, a strob...
07/08/2008
7359810Characterizing newly acquired waveforms for identification of waveform anomalies
A method of characterizing a newly acquired waveform with respect to previously acquired waveforms during monitoring of a generally repetitive signal, where the previously acquired waveforms have been rasterized into a two-dimensional array of memory locations, read...
04/15/2008
7346464Gait waveform feature extracting method and individual identification system
A gait waveform feature extracting method and an individual identification system extract features of the gait waveform. A one-step waveform corresponding to one step of a walking movement is specified using, as an index, a peak amplitude corresponding to a state wh...
03/18/2008
7340381Characterization of radio frequency (RF) signals using wavelet-based parameter extraction
Embodiments of the present invention apply wavelets to radio frequency (RF) signals to extract specific characteristics (e.g., jitter, phase variations, frequency variations) so that their timing, phase, and frequency components can be characterized. In one embodime...
03/04/2008
7333651Method and apparatus for measuring similarity using matching pixel count
A stereo disparity between a reference image and a search image for a reference pixel in the reference image is determined by (a) calculating a similarity measure between a reference window including a set of pixels centering on the reference pixel and each of a gro...
02/19/2008
7292960Method for characterization, detection and prediction for target events
A method for characterizing, detecting and predicting an event of interest, a target event, based on temporal patterns useful for predicting a probable occurrence of the target event is disclosed. Measurable events and their features are defined and quantized into e...
11/06/2007
7274731Non-chronological system statistics
A communications device apparatus and method is detailed that allows for improved system statistics gathering of network communication links, dataports, and system status. The improved communications device apparatus and method utilizes a relative time reference or ...
09/25/2007
7269151System and method for spectrum management of a shared frequency band
A system and method for managing the spectrum utilization of a frequency band that is shared, both in frequency and time, by multiple devices. At one or more devices operating in the frequency band, pulses associated with signals occurring in the frequency band are ...
09/11/2007
7262775System supporting animation of graphical display elements through animation object instances
A graphical display animation system is disclosed that supports timed modification of element property values of elements within a graphical display. The animation system utilizes a display structure for maintaining a set of elements corresponding to displayed objec...
08/28/2007
7260485Method and systems for distinguishing between materials having similar spectra
Various computer-implemented methods and systems are provided. One computer-implemented method includes determining a ratio between output signals generated by detecting spectra for a single event in two or more detection windows. The spectra are characteristic of d...
08/21/2007
7254469Superimposing current or previous graphing data for anomaly detection
A system and a machine-implemented method for rendering, on a display device, a first data graph concerning data received from a first data source. A second data graph concerning data received from a second data source is rendered on the display device, and superimp...
08/07/2007
7233349Video timing display indicator
A timing alignment or offset display shows the relationship between a reference signal and a test signal, in particular two analog or digital video signals. Timing extraction circuits derive a lower frequency signal synchronized to horizontal lines and a higher freq...
06/19/2007
7233700System and method for signal matching and characterization
A system and method for selecting a best match of a received input signal from a set of candidate signals, wherein two or more of the candidate signals are uncorrelated. In a preprocessing phase a signal transform (UST) is determined from the candidate signals. The ...
06/19/2007
7231317Correlating power signatures with automated equipment
A method and system for monitoring the activity of a system of one or more electro-mechanical components that receive electrical current from a power supply. The method and system samples an actual current supplied to the electro-mechanical component from the power ...
06/12/2007
7209853Measuring apparatus and program
There is provided a measuring apparatus that measures digital signals. The measuring apparatus includes a reference timing detecting unit operable to detect a first timing at which a digital signal becomes a first predetermined signal level and a second timing at wh...
04/24/2007
7191096Multi-dimensional sequential probability ratio test for detecting failure conditions in computer systems
One embodiment of the present invention provides a monitoring system that detects anomalies in data gathered from sensors in a computer system. During operation, the monitoring system samples data from a plurality of sensors located at various sampling points throug...
03/13/2007
7190561Apparatus for detecting arc faults
An apparatus and method for detecting arc faults that have reduced susceptibility to nuisance tripping. The apparatus includes a current sensor, an input sense circuit, an arcing sense circuit, a power supply, a tripping (firing) circuit, a processor, and an electro...
03/13/2007
7173623System supporting animation of graphical display elements through animation object instances
A graphical display animation system is disclosed that supports timed modification of element property values of elements within a graphical display. The animation system utilizes a display structure for maintaining a set of elements corresponding to displayed objec...
02/06/2007
7171161System and method for classifying signals using timing templates, power templates and other techniques
A system and method for classifying signals occurring in a frequency band. One or more characteristics of one or more signals in the frequency band are detected using any suitable technology, such as a device that can generate characteristics of signal pulses detect...
01/30/2007
7164932Millimeter band signal transmitting/receiving system having function of transmitting/receiving millimeter band signal and house provided with the same
A millimeter band transmitter transmits one or more indirect path signal waves from the main lobe of a transmit antenna, and a direct path signal wave is transmitted in a side lobe of the transmit antenna. A receiver simultaneously receives each of the indirect and ...
01/16/2007
7161529Dual forward scattering method for modeling multipath propagation
Analysis of electromagnetic (or acoustic) multipath propagation inventively focuses upon the transmitter-to-target propagation (transmitted propagation reaching target via both direct pathway and forward scattered pathway) and the target-to-receiver propagation (re-...
01/09/2007
7158137Architecture for improved display performance in a signal acquisition and display device
A multiple channel signal acquisition device wherein each channel performs a respective rasterization process to provide respective waveform imagery, the respective waveform imagery having a display parameter reduced at a decay rate, the respective waveform imagery ...
01/02/2007
7158848Process monitoring device for sample processing apparatus and control method of sample processing apparatus
A plasma processing apparatus for processing a sample within a vacuum vessel, including: a plurality of sensors for detecting plural kinds of information relating to a processing state of the sample as monitor data; data selecting means for selecting a detection tim...
01/02/2007
7155354Apparatus for and methods of analyzing the spectral signature of a dynamic event
A method of analyzing the spectral signature of a point-like dynamic source event in order to approximate the location of the source event within a predetermined field of view is implemented by a spectral analysis system including (i) a data processing system; (ii) ...
12/26/2006
7136773Testing apparatus and testing method
A testing apparatus for testing an electronic device, includes a deterministic jitter applying means for applying deterministic jitter to a given input signal without any amplitude variation component occurring and supplying the input signal applied with the determi...
11/14/2006
7123845Receiving apparatus with waveform degradation compensating function
A receiving apparatus comprises a first waveform degradation compensating unit, a second waveform degradation compensating unit, a received waveform measuring unit for measuring waveform data on a received signal, a control unit for controlling compensation characte...
10/17/2006
7116943System and method for classifying signals occuring in a frequency band
A system and method for classifying signals occurring in a frequency band. One or more characteristics of one or more signals in the frequency band are detected using any suitable technology, such as a device that can generate characteristics of signal pulses detect...
10/03/2006
7117108System and method for categorical analysis of time dependent dynamic processes
A system and method for performing a categorical analysis on one or more time dependent dynamic processes is provided. A reference library of data pertaining to multiple characteristics of time series reflective of the dynamic process is created and used to define s...
10/03/2006
7085613System for monitoring audio content in a video broadcast
A method is provided for monitoring audio content in a video broadcast. According to the method, an audio datastream from the video broadcast is received, and audio identifying information is generated for audio content from the audio datastream. It is determined wh...
08/01/2006
7079704Objective method and system for estimating perceived image and video sharpness
A method and system for estimating the quality of video data without gaining access to the source data, are configured to perform a Fast Fourier Transform (FFT) from at least some of the pixel values of the image in at least the horizontal direction, and at most, in...
07/18/2006
7079143Waveform drawing system and method
A waveform drawing routine is disclosed that includes receiving an array of predecessor image data points, wherein the predecessor image data points form a predecessor line that has a predecessor high end point and a predecessor low end point, receiving an array of ...
07/18/2006
7076401Method and apparatus for measuring data timing using unity time-voltage sawtooth ramps
A method and apparatus for converting skew in a received signal to a low frequency voltage. A signal is received at a destination node from an original signal from a source node. A unity time-voltage sawtooth ramp signal is created at the destination node. The ampli...
07/11/2006
7058444Computer method and system for reading and analyzing ECG signals
Computer method and apparatus for reading and analyzing ECG signals includes applying a plurality of heart condition detectors to a subject ECG signal. Each detector produces a respective indication of likelihood of certain heart conditions existing in the subject. ...
06/06/2006
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