Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8155927 | Method and apparatus for improving noise discrimination in multiple sensor pairs Noise discrimination in signals from a plurality of sensors is conducted by enhancing the phase difference in the signals such that off-axis pick-up is suppressed while on-axis pick-up is enhanced. Alternatively, attenuation/expansion are applied to the signals in a... | 04/10/2012 |
| 8135564 | Filtering techniques to remove noise from a periodic signal and Irms calculations A signal filtering technique is designed to remove the effects of a periodic, low-frequency noise signal from a signal of interest. A signal waveform is sampled at different points of a number of consecutive periodic noise signal cycles and the collected samples are... | 03/13/2012 |
| 8131512 | Optimized stochastic resonance signal detection method Apparatus and method for detecting micro-calcifications in mammograms using novel algorithms and stochastic resonance noise is provided, where a suitable dose of noise is added to the abnormal mammograms such that the performance of a suboptimal lesion detector is i... | 03/06/2012 |
| 8065115 | Method and system for identifying audible noise as wind noise in a hearing aid apparatus A method and system for detecting wind noise are adapted to determine whether two of a plurality of sound signals acquired by a plurality of sound receiving units include wind noise. The method includes the following steps: (a) transforming the two sound signals to ... | 11/22/2011 |
| 8060343 | Semiconductor device and noise measuring method Provided is a semiconductor device for outputting only the necessary information from non-periodic noise information to the outside. An analysis object information extracting section specifies analysis object information used to analyze noise associated with a malfu... | 11/15/2011 |
| 8050891 | Sensor mapping Techniques, systems and computer program products are disclosed for providing sensor mapping. In one aspect, a method includes receiving input from a user. The received input includes at least one of motion, force and contact. In addition, a sensor signal is generat... | 11/01/2011 |
| 8036856 | Method and apparatus for automatically adjusting spectral doppler gain Method and apparatus for automatically adjusting a parameter used in the display of a Doppler spectral image comprises acquiring a plurality of spectral lines of Doppler data. A subset of Doppler data is determined from the plurality of spectral lines of Doppler dat... | 10/11/2011 |
| 7979241 | Optimized method for LID biosensor resonance detection An optical interrogation system is described herein that can interrogate a label-independent-detection (LID) biosensor and monitor a biological event on top of the biosensor without suffering from problematical parasitic reflections and/or problematical pixelation e... | 07/12/2011 |
| 7957940 | Method and system for the detection and/or removal of sinusoidal interference signals in a noise signal A method for removing sinusoidal interference signals from a noise signal. The method includes transforming a measured signal (x(t), x(μ·Δt)), which is composed of a limited number of sinusoidal interference signals (Ak·ej(ωk | 06/07/2011 |
| 7949499 | Filtering techniques to remove noise from a periodic signal and Irms calculations A signal filtering technique is designed to remove the effects of a periodic, low-frequency noise signal from a signal of interest. A signal waveform is sampled at different points of a number of consecutive periodic noise signal cycles and the collected samples are... | 05/24/2011 |
| 7941297 | Noise measurement in video images Methods and apparatus are described for measuring noise in video image processing. The described methods use horizontal and vertical variances of pixels of an image to extract noise information from the image. Silent regions in an image are considered to determine a... | 05/10/2011 |
| 7865338 | Suppression of vibrations Disclosed are a method and a device for suppressing vibrations (18) in an installation comprising an actuator (14) for actuating a flap (12) or a valve (70) used for metering a gas or liquid volume flow (16), especially in the area... | 01/04/2011 |
| 7840384 | Method and system for the detection and/or removal of sinusoidal interference signals in a noise signal A method and a system for the detection and/or removal of sinusoidal interference signals in/from a noise signal transforms a measured signal (x(t), x(μ·Δt)) composed of a limited number of sinusoidal interference signals (Ak·ej(ω | 11/23/2010 |
| 7840385 | Method and system for the detection and/or removal of sinusoidal interference signals in a noise signal A system for the identification of sinusoidal interference signals from a noise signal is provided. The system includes a unit for the estimation (51, 52, . . . , 5NFFT) of an autocorrelation matrix ({circumflex ... | 11/23/2010 |
| 7822579 | Interference rejection through circle fitting A method and apparatus for measuring electrical signals measures an electromagnetic wave having an interference component at a center frequency and at multiple times to obtain data points. The positions of the data points on a complex plane are calculated. Chords of... | 10/26/2010 |
| 7788066 | Method and apparatus for improving noise discrimination in multiple sensor pairs Noise discrimination in signals from a plurality of sensors is conducted by enhancing the phase difference in the signals such that off-axis pick-up is suppressed while on-axis pick-up is enhanced. Alternatively, attenuation/expansion are applied to the signals in a... | 08/31/2010 |
| 7729889 | Random sample timing method and system using same A method of random sampling a signal includes determining a bounded sample timing interval, and acquiring a sample of the signal at random sample times within the bounded sample timing interval. Sample acquisition is repeated until the signal to noise ratio of an es... | 06/01/2010 |
| 7693689 | Noise-component removing method A noise-component removing method for removing a noise component from multipoint spectral data that has been generated through measurements performed at measurement points of a sample surface, the method comprising: a PLS analysis step of determining components of t... | 04/06/2010 |
| 7668699 | Optimized stochastic resonance method for signal detection and image processing Apparatus and method for improving the detection of signals obscured by noise using stochastic resonance noise. The method determines the stochastic resonance noise probability density function in non-linear processing applications that is added to the observed data... | 02/23/2010 |
| 7643965 | EMI management system and method Systems and methods for managing the effect of electromagnetic radiation on electronic devices, are provided. The systems and methods includes determining a location of an electronic device within an environment; determining a level of electromagnetic radiation in a... | 01/05/2010 |
| 7623990 | System for reducing signal interference in modulated signal communication A system for reducing signal interference in modulated signal communication includes a measurement processor. The measurement processor measures amplitudes of noise components of a received amplitude modulated signal prior to demodulation. The measurement processor ... | 11/24/2009 |
| 7610178 | Noise reduction filter for trigger circuit A noise rejection filter for a trigger circuit uses an algorithm that updates the filter output monotonically so long as the signal slope remains unchanged, maintains the filter output at a constant level when the signal slope changes but the difference between the ... | 10/27/2009 |
| 7603258 | Noise reduction and estimation of pipeline signals A method and apparatus for sensor output signal noise reduction in which at least one sensor output signal is introduced into an LMS-based adaptive noise cancellation mechanism and the resulting noise cancellation mechanism output signal is processed using a sub-ban... | 10/13/2009 |
| 7561989 | Extracting performance metrics from images Through the use of image processing and set-up calibration techniques, an accurate position of an object may be determined. Embodiments of the present disclosure measure a change in position over a known time interval. Accordingly, the change in position aids in mea... | 07/14/2009 |
| 7529647 | Computing distortion of media signals using embedded data with repetitive structure and log-polar mapping A digital watermark detection method uses a matched filtering technique on a log polar re-mapping of a watermarked signal to detect peaks associated with a repetitive structure of a watermark. ... | 05/05/2009 |
| 7523020 | Apparatus and method for dynamic smoothing An apparatus and a method for receiving and processing noisy communications signals automatically varies multiple processing parameters to both improve signal-to-noise ratio and to minimize delays in responding to changes in the incoming signal. The signal-to-noise ... | 04/21/2009 |
| 7519514 | Systems and methods for removing noise from spectral data Systems and methods for reducing noise in spectral data. A noise burst level is defined. If a spectral point has an intensity greater than the burst level (a burst point), points neighboring the burst point are examined. If a function of these neighboring points ind... | 04/14/2009 |
| 7509239 | Optimized method for LID biosensor resonance detection An optical interrogation system is described herein that can interrogate a label-independent-detection (LID) biosensor and monitor a biological event on top of the biosensor without suffering from problematical parasitic reflections and/or problematical pixelation e... | 03/24/2009 |
| 7493238 | Abnormal noise correction verification apparatus An abnormal noise correction verification apparatus is provided that can easily verify the effectiveness a corrective action with respect to an abnormal noise being generated. The apparatus has at least one vibration sensor, which detect vibrations of the vehicle. T... | 02/17/2009 |
| 7443989 | Adaptive beamforming method and apparatus using feedback structure An adaptive beamforming apparatus and method includes a fixed beamformer that compensates for time delays of M noise-containing speech signals input via a microphone array having M microphones (M is an integer greater than or equal to 2), and generates a sum signal ... | 10/28/2008 |
| 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 the signal. Next, the system generates a statistical distribution based... | 10/28/2008 |
| 7440873 | Apparatus and method of processing data to improve the performance of a flow monitoring system An apparatus and method of processing flow meter data to filter out signal noise is provided. The method includes defining the flow meter data as a k-ω plane, wherein the k-ω plane includes a first k-plane quadrant separated from a second k-plane quadrant by a pre... | 10/21/2008 |
| 7428475 | Method of processing oscillatory data A method which permits the transformation of non-stationary response measurements into stationary data for analysis is provided. Many standard analysis techniques, particularly for oscillatory responses, are based on stationary data, and the method allows these tech... | 09/23/2008 |
| 7426426 | System and method for simultaneously controlling spectrum and kurtosis of a random vibration A system and method for producing and controlling a random signal with simultaneous control of both the power spectral density (PSD) and kurtosis (100) where a controlled signal is measured from a transducer, and converted to a PSD (111) using a Fast F... | 09/16/2008 |
| 7424407 | Removing electrical noise in systems with ADCs Signal processing systems and methods are described that include a multi-analog receiver front end with adaptive filtering. The multi-analog receiver front end uses two or more analog-to-digital converters (ADCs) to remove additive electrical noise present in the an... | 09/09/2008 |
| 7421377 | Method and apparatus for supressing noise in a doppler system Present application provides a method for suppressing noise in a spectral Doppler system, comprising the steps of: obtaining a power spectrum of Doppler signals demodulated in the spectral Doppler system, by performing spectral analysis on the Doppler signals; estim... | 09/02/2008 |
| 7415117 | System and method for beamforming using a microphone array The ability to combine multiple audio signals captured from the microphones in a microphone array is frequently used in beamforming systems. Typically, beamforming involves processing the output audio signals of the microphone array in such a way as to make the micr... | 08/19/2008 |
| 7412356 | Detection and quantification system for monitoring instruments A method of detecting real events by obtaining a set of recent signal results, calculating measures of the noise or variation based on the set of recent signal results, calculating an expected baseline value based on the set of recent signal results, determining sam... | 08/12/2008 |
| 7408458 | Method and apparatus for suppressing duplicate alarms A method and apparatus for suppressing a duplicated alarm in a communications network are described. In one embodiment, at least one alarm message associated with at least one event is received. A determination of whether the at least one event exists in a database ... | 08/05/2008 |
| 7386409 | Method and apparatus for artifact signal reduction in systems of mismatched interleaved digitizers An artifact signal correction system may include a mixing component to generate a waveform corresponding to an artifact such as an error tone, whereupon that waveform may be combined with the input waveform to substantially eliminate the artifact. In preferred embod... | 06/10/2008 |
