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Class 702/74 - Signal-in-signal determination


Subclass of Class 702 - Data processing: measuring, calibrating, or testing
Definition: Subject matter comprising means for detecting the presence
No. of patents: 93
Last issue date: 07/13/2010


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NumberTitleIssue Date
7756655Observation apparatus, observation method and program
An observation apparatus which observers operations of an observation target apparatus, and which includes: an output signal acquisition unit for sequentially acquiring signal values by observing signals outputted by the observation target apparatus; a state storage...
07/13/2010
7439515Pipeline processing of pulse pile-up correction in a nuclear medicine imaging system
Correction of scintillation event data from a nuclear medicine imaging system for effects of pulse pile-up is carried out by separating event data packets into total energy and individual detector energy data packets, executing pile-up correction algorithms on each ...
10/21/2008
7415370Method of compressing values of a monitored electrical power signal
A method of compressing values of a waveform of a monitored electrical power signal. The method includes acquiring data representative of periods of the waveform, decomposing the waveform of the power signal into a plurality of components over a plurality of periods...
08/19/2008
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
7409305Pulsed ring oscillator circuit for storage cell read timing evaluation
A methor for storage cell read timing evaluation provides read strength information by using a pulsed ring oscillator. A pulse generator is coupled to a bitline to which the storage cell to be measured is connected. The storage cell thereby forms part of the ring os...
08/05/2008
7401008Method, computer program, and system for intrinsic timescale decomposition, filtering, and automated analysis of signals of arbitrary origin or timescale
A method and system for intrinsic timescale decomposition, filtering, and automated analysis of signals of arbitrary origin or timescale including receiving an input signal, determining a baseline segment and a monotonic residual segment with strictly negative minim...
07/15/2008
7369951Digital, self-calibrating proximity switch
A signal processing system for detecting purposive signals includes an input receiving a signal having a signal characteristic subject to user manipulation. An activation detector compares a property of the signal characteristic to one or more signal characteristic ...
05/06/2008
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
7336106Phase detector and method having hysteresis characteristics
A phase detector generates a first output signal if a feedback clock signal leads a reference clock signal by more than a first time. The phase detector generates a second output signal if the feedback clock signal lags the reference clock signal by more than a seco...
02/26/2008
7333579Robust symbol timing recovery circuit for telephone line modem
A robust symbol timing recovery circuit for a telephone line modem is provided. The symbol timing recovery circuit comprises a timing estimator and an interpolator. The timing estimator, which performs an operation on input samples and estimates a timing offset of a...
02/19/2008
7308372Phase jitter measurement circuit
A method, an apparatus, and a system for phase jitter measurement circuits are described herein. ...
12/11/2007
7292947System and method of estimating phase noise based on measurement of phase jitter at multiple sampling frequencies
A system and method of estimating random and periodic phase noise components based on measurement of phase jitter in a given signal uses a difference filter to attenuate low frequency random noise components and a process of obtaining timing measurements at a plural...
11/06/2007
7268783Image alias rejection using shaped statistical filtering
Image alias rejection when converting a high resolution rasterized waveform to a lower resolution rasterized waveform for display uses a statistical filter. The statistical filter provides a shaped probability density function either by combining the outputs of mult...
09/11/2007
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
7254500Monitoring and representing complex signals
A method of displaying signals containing a spatial and a temporal aspect, where multiple signals are received by multiple sensors. The received signals are decomposed into separate signal components within one or more distinct frequency bands. Signal components are...
08/07/2007
7228262Semiconductor integrated circuit verification system
An aspect of the present invention provides a semiconductor integrated circuit verification system that includes a compiler configured to receive circuit descriptions of a semiconductor integrated circuit to be verified and create a circuit database, a circuit analy...
06/05/2007
7209864Method for collecting and reducing performance-related data in constrained environments
A method for testing performance of a constrained resources computing device (CRCD) is provided which includes determining that a data sample was generated and generating a time stamp corresponding to when the data sample was generated. The method also includes dete...
04/24/2007
7194292Simultaneous signal attenuation measurements utilizing frequency orthogonal random codes
A method for use in operating a signal attenuation measurement device used to obtain a physiological parameter of a patient and an apparatus for use in determining at least one physiological parameter relating to a patient from at least first and second signals tran...
03/20/2007
7191100Method and system for predictive physiological gating of radiation therapy
A method and system for physiological gating for radiation therapy is disclosed. A method and system for detecting and predictably estimating regular cycles of physiological activity or movements is disclosed. Another disclosed aspect of the invention is directed to...
03/13/2007
7164997Bus line current calibration
Disclosed herein is a method and system for calibrating line drive currents in systems that generate data signals by varying line drive currents and that interpret the data signals by comparing them to one or more reference voltages. The calibration includes varying...
01/16/2007
7161962Method and apparatus for coding modem signals for transmission over voice networks
A method and apparatus of transmitting a modulated data over a digital voice network that includes voice compression. The method and apparatus determine whether a voice signal to be transmitted over the network includes a modulated data signal and then encodes or de...
01/09/2007
7158920Noise checking method and apparatus and computer-readable recording medium which records a noise checking program
The apparatus reduces the amount of correction for noise value error, so as to reduce work needed for correction to ensure error avoidance, and to improve the freedom of layout design, and to reduce load on DA. Based on a timing chart of signal transfer on each wire...
01/02/2007
7158588System and method for obtaining accurate symbol rate and carrier phase, frequency, and timing acquisition for minimum shift keyed waveform
The present invention relates generally to communication systems, both wired and wireless, employing a continuous phase modulation (“CPM”) waveform with a minimum shift keying (“MSK”) preamble. The present inventive system and method uses information from co...
01/02/2007
7152008Calibrated differential voltage crossing
In general, in one aspect, the disclosure describes an apparatus for calibrating signals. The apparatus includes a receiver pair to receive a differential signal and a reference signal and to generate at least one comparison signal reflecting where a first signal of...
12/19/2006
7120562Signal source identification utilizing wavelet-based signal processing and associated method
A signal source identification system and associated method are disclosed that utilize wavelet-based signal processing to facilitate signal source identification. In particular, the wavelet-based signal processing enables the extraction of fingerprint type signature...
10/10/2006
7119583Phase detector and method having hysteresis characteristics
A phase detector generates a first output signal if a feedback clock signal leads a reference clock signal by more than a first time. The phase detector generates a second output signal if the feedback clock signal lags the reference clock signal by more than a seco...
10/10/2006
7103423Method for process-variable-dependent identification signal emission
The invention relates to a method for process-variable-dependent identification signal emission for a closed-loop and/or open-loop control program with cyclic sampling of process variables from a technical process. A threshold value crossing time (ts1, ts3...
09/05/2006
7099417Trace video filtering using wavelet de-noising techniques
A filter that includes an analyzer, thresholding circuit, and synthesizer. The analyzer generates a low-frequency component signal and a high-frequency component signal from an input signal. The thresholding circuit generates a processed high-frequency signal from t...
08/29/2006
7079986Greedy adaptive signature discrimination system and method
A system and method for determining from an arbitrary signal a characteristic signature or other characterizing feature and for distinguishing signals associated with one specific condition from those associated with one or more other conditions. The system uses dic...
07/18/2006
6988044Bus line current calibration
Disclosed herein is a method and system for calibrating line drive currents in systems that generate data signals by varying line drive currents and that interpret the data signals by comparing them to one or more reference voltages. The calibration includes varying...
01/17/2006
6976049Method and apparatus for implementing single/dual packed multi-way addition instructions having accumulation options
The present invention relates to a method and system for providing a single accumulatable packed multi-way addition instruction having the functionality of multiple instructions without causing any timing problems in the execute stage. Specifically, the accumulatabl...
12/13/2005
6957172Complex 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...
10/18/2005
6947853Apparatus and method for inspecting electrical continuity of circuit board, jig for use therein, and recording medium thereon
The present invention provides an apparatus and method for inspecting electrical continuity of a circuit board, capable of decreasing the impedance in a current path as an inspection object to achieve enhanced SN ratio. A coupling capacitance is formed at one of ter...
09/20/2005
6944540Time determination in satellite positioning system receivers and methods therefor
Method in a Global Positioning System (GPS) receivers, including determining pseudorange (PNR) measurements for at least four satellites (210), determining a coarse time (220) corresponding to the pseudorange measurement, determining an offset time (
09/13/2005
6934650Noise signal analysis apparatus, noise signal synthesis apparatus, noise signal analysis method and noise signal synthesis method
FFT section 102 transforms a windowed input noise signal into a frequency spectrum. Spectral model storing section 103 stores model information on spectral models. Spectral model series calculating section 104 calculates spectral model number se...
08/23/2005
6912474Method and apparatus for high-speed synchronous digital acquisition derived in real -time from analog samples
A method and apparatus for real-time derivation of precise digital clock edges and synchronous logic samples from a digital signal having a clock channel and at least one data channel acquires a plurality of temporally offset analog samples during each of a sequence...
06/28/2005
6898536Method for improving the start up of an ultrasonic system under zero load conditions
The start up performance of an ultrasonic system under zero load conditions is improved by setting a phase set point in a frequency control loop such that, at start up under zero load conditions, the phase set point intersects a point on a phase-frequency response c...
05/24/2005
6882946Spectral analysis measurement apparatus and method of measuring for spectral analysis measurement apparatus
A measuring apparatus includes a spectrum analysis unit having an input for receiving an input signal to be measured. The input signal includes a carrier signal located within a predetermined band of frequencies and the spectrum analysis unit is arranged to store a ...
04/19/2005
6873923Systems and methods for performing analysis of a multi-tone signal
Representative embodiments are directed to systems and methods for processing analyzer trace data of a multi-tone signal to more accurately estimate the frequencies and amplitudes of the tones of the multi-tone signal. Specifically, trace data may be processed to de...
03/29/2005
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