| Patents for H03H 21 - Adaptive networks (3,855) |
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| 02/03/2005 | US20050027768 Reduced complexity adaptive filter |
| 02/03/2005 | US20050022325 Cleaning processing system and cleaning processing apparatus |
| 02/01/2005 | US6850783 Methods and apparatus for mitigating the effects of microphone overload in echo cancelation systems |
| 01/27/2005 | US20050018763 Method for echo cancellation in a DMT modem apparatus, DMT modem apparatus and computer program product thereof |
| 01/26/2005 | EP1501191A1 Method for echo cancellation in a DMT modem apparatus, DMT modem apparatus and computer program product thereof |
| 01/20/2005 | US20050013450 Waveform equalizer |
| 01/20/2005 | US20050013443 Audio correcting apparatus |
| 01/18/2005 | US6845164 Method and device for separating a mixture of source signals |
| 01/18/2005 | US6842932 Cleaning processing system and cleaning processing apparatus |
| 01/13/2005 | WO2005004328A1 Apparatus, system and method for receiver equalization |
| 01/13/2005 | US20050008143 Echo canceller having spectral echo tail estimator |
| 01/12/2005 | CN1184745C Device for eleminating echo |
| 01/11/2005 | US6842516 Digital adaptive filter and acoustic echo canceller using the same |
| 01/06/2005 | US20050002479 Apparatus, system and method for receiver equalization |
| 01/05/2005 | EP1310018A4 Switched beam antenna architecture |
| 01/04/2005 | US6839426 Echo cancellor |
| 12/29/2004 | EP1490967A1 Adaptive multistage wiener filter |
| 12/28/2004 | US6836679 Method and apparatus for estimating physiological parameters using model-based adaptive filtering |
| 12/28/2004 | US6836243 System and method for processing a signal being emitted from a target signal source into a noisy environment |
| 12/23/2004 | US20040257266 Technique for changing a range gate and radar coverage |
| 12/16/2004 | WO2002097656A3 System and method of extraction of nonstationary sinusoids |
| 12/16/2004 | US20040252755 Decision feedback equalizer and precoder ramping circuit |
| 12/15/2004 | EP1486043A2 Adaptive equalizer which is independent of the amplitude of the transmitted signal |
| 12/15/2004 | CN1180555C Transmission/reception apparatus and transmission/reception method |
| 12/15/2004 | CN1180539C Method and device for separating mixture of signals |
| 12/09/2004 | US20040247054 Method and device for the fourth-order, blind identification of an under-determined mixture of sources |
| 12/09/2004 | US20040246862 Method and apparatus for signal discrimination |
| 12/09/2004 | US20040246170 Radar detection method and apparatus |
| 12/08/2004 | EP1309882B1 Near object detection system |
| 12/07/2004 | US6829298 Signal processing circuit for a digital signal receiving system |
| 12/02/2004 | US20040240539 Decision feedback equalizer with dynamic feedback control |
| 12/01/2004 | CN1551514A Device for removing interference signal with different characteristic and method for removing thereof |
| 12/01/2004 | CN1551191A Transmission of a digital information signal having a specific first sampling frequency |
| 11/25/2004 | US20040234001 Adaptive radio frequency (rf) filter |
| 11/24/2004 | EP1479163A2 Method of blind signal separation |
| 11/23/2004 | CA2317982C Quadrature filter augmentation of echo canceler basis functions |
| 11/11/2004 | US20040223085 Device for removing interference signal with different characteristic and method for removing thereof |
| 11/09/2004 | US6816107 Technique for changing a range gate and radar coverage |
| 11/04/2004 | WO2004095701A1 Filtering method and an apparatus |
| 11/03/2004 | EP1473848A1 Processing device and processing method |
| 11/03/2004 | CN1543708A Method and apparatus for providing an error characterization estimate of an impulse response derived using least squares |
| 11/02/2004 | US6813352 Quadrature filter augmentation of echo canceler basis functions |
| 10/27/2004 | EP1471465A1 Transmission of a digital information signal having a specific first sampling frequency |
| 10/27/2004 | EP0843933B1 Transmission of a digital information signal having a specific first sampling frequency |
| 10/26/2004 | US6810366 Method and apparatus for filtering a signal using a deadband |
| 10/26/2004 | US6810124 Adaptive resonance canceller apparatus |
| 10/19/2004 | US6807278 Audio noise reduction system implemented through digital signal processing |
| 10/14/2004 | US20040202081 Data reproduction apparatus and method with improved performance by adjusting filter coefficients of equalizer |
| 10/13/2004 | EP0842568B1 Adaptive despreader |
| 10/12/2004 | US6804695 Method and apparatus for constraining tap coefficients in an adaptive finite impulse response filter |
| 10/07/2004 | US20040199559 Flexible adaptation engine for adaptive transversal filters |
| 10/07/2004 | US20040196085 Continuous-time multi-gigahertz filter using transmission line delay elements |
| 10/07/2004 | US20040195917 Adaptive radio transceiver with floating MOSFET capacitors |
| 10/06/2004 | EP1465338A2 Fourth order autodidact identification method and device for identifying an underdetermined mixture of signals |
| 09/30/2004 | DE4444583B4 Approximationsvorrichtung und Approximationsverfahren zum Bestimmen eines technischen Systems Approximating device and approximation methods for determining a technical system |
| 09/29/2004 | CN1533633A Flter circuit and method for processing audio sigual |
| 09/29/2004 | CN1533071A Multiple user detection method and device, and self adaptive filter detector in it |
| 09/28/2004 | US6799021 Method and arrangement for forming an address |
| 09/28/2004 | US6798754 Acoustic echo cancellation equipped with howling suppressor and double-talk detector |
| 09/23/2004 | WO2004082321A2 Multi-channel digital feedback reducer system |
| 09/23/2004 | US20040185781 System and method for reducing phase noise |
| 09/22/2004 | EP1459510A1 Echo canceller having spectral echo tail estimator |
| 09/16/2004 | US20040181134 Pulse oximeter with parallel saturation calculation modules |
| 09/16/2004 | US20040179700 Filter circuit and method for processing an audio signal |
| 09/16/2004 | US20040179636 Method and apparatus for adaptive equalization of high speed data communications |
| 09/16/2004 | US20040179387 Multi-channel digital feedback reducer system |
| 09/15/2004 | CN1529411A Parallel-serial multiplication-addition device |
| 09/09/2004 | US20040174930 Data processing apparatus and data processing method |
| 09/07/2004 | US6788785 Stable adaptive filter and method |
| 09/02/2004 | US20040170271 Echo canceller ensuring further reduction in residual echo |
| 08/31/2004 | US6785327 Multiported register file for burst mode coefficient updating |
| 08/31/2004 | US6784828 Near object detection system |
| 08/26/2004 | US20040166804 Adaptive radio transceiver with a power amplifier |
| 08/26/2004 | US20040166803 Adaptive radio transceiver with a power amplifier |
| 08/25/2004 | EP1450485A2 Signal processing method and program, recording medium storing the program and signal processor |
| 08/25/2004 | CN1524344A Receiver having an adaptive filter and method of optimising the filter |
| 08/25/2004 | CN1164036C Acoustic echo and noise cancellation |
| 08/24/2004 | US6781521 Filters for canceling multiple noise sources in borehole electromagnetic telemetry system |
| 08/24/2004 | US6781520 Motion sensor for noise cancellation in borehole electromagnetic telemetry system |
| 08/24/2004 | CA2233679C An adaptive dual filter echo cancellation method |
| 08/19/2004 | US20040162708 Signal-processing method, signal-processing program, recording medium storing the signal-processing program and signal processor |
| 08/19/2004 | US20040161102 Echo canceller employing dual-H architecture having split adaptive gain settings |
| 08/18/2004 | EP1446894A1 Echo canceller ensuring further reduction in residual echo |
| 08/17/2004 | US6778601 Adaptive audio equalizer apparatus and method of determining filter coefficient |
| 08/17/2004 | US6778599 Digital transceiver with multi-rate processing |
| 08/12/2004 | US20040158135 Pulse oximeter sensor off detector |
| 08/12/2004 | US20040156432 Processing a received signal at a detection circuit |
| 08/12/2004 | US20040155812 Technique for changing a range gate and radar coverage |
| 08/05/2004 | US20040151240 Method and system for signal processing using vector output from scalar data |
| 08/04/2004 | EP1442569A1 Zf-based adaptive asynchronous receiver |
| 07/29/2004 | US20040146119 Receiver |
| 07/29/2004 | US20040146099 Receiver |
| 07/29/2004 | DE4241130B4 Verfahren und Vorrichtung zur Wiedergabe von vierkanaligen Tonsignalen über einen Zweikanalkopfhörer bzw. über zwei Lautsprecher Method and apparatus for reproducing four-channel audio over a two-channel headphones or two speakers |
| 07/28/2004 | EP1440517A1 Adaptive channel filter for a mobile radio receiver, and method for adaptive channel filtering |
| 07/28/2004 | CN1516496A Transmission system including at least a coder |
| 07/15/2004 | WO2004059899A2 Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback |
| 07/15/2004 | US20040139135 N dimensional non-linear, static, adaptive, digital filter design using d scale non-uniform sampling |
| 07/15/2004 | US20040136453 Demodulation apparatus for a network transceiver and method thereof |
| 07/13/2004 | US6763077 Receiving apparatus and array combining method |
| 07/08/2004 | US20040133371 System and method of extraction of nonstationary sinusoids |