Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 21 - Adaptive networks
Patents for H03H 21 - Adaptive networks (3,855)
07/2003
07/15/2003US6594367 Super directional beamforming design and implementation
07/15/2003US6593828 System and method for filter tuning
07/15/2003US6593806 Circuits and methods for compensating switched mode amplifiers
07/09/2003EP1326391A1 Adaptive thresholding for adaptive equalization
07/09/2003EP1020028B1 Device for separation of signals
07/09/2003CN1114287C Digital filter using predetermining filter coefficient and method
07/08/2003US6590975 Echo canceller
07/02/2003EP1323121A1 System and method for adaptive filtering
07/02/2003CN1427988A Active nose reduction system
07/02/2003CN1427408A Adaptive equalizer operating controlled with output signal symbol and absolute value and method thereof
07/02/2003CN1113461C Transmission system using time dependent filter banks
07/02/2003CN1113332C Transmission system comprising at least a coder
07/01/2003US6587504 Adaptive equalizer and designing method thereof
06/2003
06/26/2003WO2003053033A1 Echo canceller having spectral echo tail estimator
06/26/2003US20030116810 Programmable impedance control circuit
06/25/2003EP0976197B1 Dual-processing interference cancelling system and method
06/25/2003CN1112671C Method of adapting noise masking level in comprehesive analysis speech coder
06/24/2003US6584441 Adaptive postfilter
06/19/2003WO2003050967A1 Equalization filter for digital subscriber wide bandwidth reception
06/19/2003US20030115232 Kalman filter with adaptive measurement variance estimator
06/18/2003EP1320097A2 Adaptive equalizer
06/18/2003CN1112041C Multi-mode equalizer system and method in digital video signal processing system
06/18/2003CN1112030C Process for fast blind equalization of adaptive equalizer
06/18/2003CN1111973C Echo cancelling system for digital telephony applications
06/17/2003US6581081 Adaptive size filter for efficient computation of wavelet packet trees
06/17/2003US6580794 Acoustic echo canceler with a peak impulse response detector
06/12/2003WO2003049285A2 Narrowband detector
06/12/2003US20030108214 Sub-band adaptive signal processing in an oversampled filterbank
06/12/2003US20030108097 Adaptive equalizer for controlling operation thereof by using sign and absolute value of output signal thereof
06/12/2003CA2508758A1 Narrowband detector
06/10/2003US6577731 Method and apparatus of cancelling multi-channel echoes
06/10/2003US6577675 Signal separation
06/10/2003US6577269 Radar detection method and apparatus
06/05/2003US20030103561 Online blind source separation
06/03/2003US6574337 Adaptive echo canceler undoing adaptations made during double-talk
06/03/2003CA2249283C Acoustic feedback correction
05/2003
05/30/2003WO2003044978A1 Echo canceller ensuring further reduction in residual echo
05/28/2003EP1314247A1 Partitioned block frequency domain adaptive filter
05/28/2003EP1314246A1 Partioned block frequency domain adaptive filter
05/28/2003CN1110048C Adaptive signal processing method of digital recording/reproducing apparatus and circuit thereof
05/27/2003US6570939 Receiving device with demodulating function based on orthogonal detection and equalizing function based on maximum likelihood sequence estimation
05/22/2003WO2003015292A3 Digital equalization process and mechanism
05/22/2003US20030095592 ZF-based adaptive asynchronous receiver
05/21/2003EP1224837A4 Super directional beamforming design and implementation
05/21/2003EP0748551B1 Combating signal interference in digital transmission
05/14/2003EP1310139A2 Stereo audio processing device
05/14/2003EP1310018A1 Switched beam antenna architecture
05/14/2003EP1310012A2 Highly integrated single substrate mmw multi-beam sensor
05/14/2003EP1309883A2 Video amplifier for a radar receiver
05/14/2003EP1309882A2 Near object detection system
05/14/2003EP1309879A2 Automotive radar systems and techniques
05/14/2003EP1309464A2 Safe distance algorithm for adaptive cruise control
05/14/2003EP0862730B1 Method for adaptive kalman filtering in dynamic systems
05/13/2003US6563931 Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same
05/13/2003US6563868 Method and apparatus for adaptive equalization in the presence of large multipath echoes
05/08/2003WO2003039089A1 Zf-based adaptive asynchronous receiver
05/08/2003WO2003039012A1 Adaptive channel filter for a mobile radio receiver, and method for adaptive channel filtering
05/07/2003CN1108018C Rapid-update adaptive channel-equilization filtering for digital radio receivers
05/07/2003CN1108013C Modulation recording method, reproducing method and appts. thereof, recording and reproducing method and appts.
05/02/2003EP1305879A2 Method and apparatus for a morphology-preserving smoothing
05/01/2003US20030084079 Method and apparatus for providing an error characterization estimate of an impulse response derived using least squares
05/01/2003US20030081702 Sequence estimation method and sequence estimator
04/2003
04/29/2003US6556632 Sequence estimation method and sequence estimator
04/24/2003US20030076949 Echo canceller employing dual-H architecture having improved non-linear echo path detection
04/24/2003US20030076844 Method and system for filtering a signal and providing echo cancellation using an adaptive length filter
04/24/2003DE10138720C1 Determining optimal filter coefficients of adaptive filter involves solving Wiener-Hopf equation with additive division of non-normalized autocorrelation matrix into main part and residue
04/23/2003CN1106780C Method for carrying-out parameterization to receiving station with adapting aerial equipment, and adapting filter of said receiving station
04/23/2003CN1106747C Echo-eliminating device
04/22/2003US6553397 Low-power pulse-shaping digital filters
04/17/2003US20030074381 Method and apparatus for generating a set of filter coefficients
04/17/2003US20030072362 Method and apparatus for generating a set of filter coefficients providing adaptive noise reduction
04/16/2003EP0870365B1 Gauging convergence of adaptive filters
04/15/2003US6549627 Generating calibration signals for an adaptive beamformer
04/10/2003US20030067359 Adaptive radio transceiver with a local oscillator
04/09/2003EP0853844B1 Echo cancelling system for digital telephony applications
04/08/2003US6546361 Method for recording and removing the bipolar bias from a vibration input signal
04/07/2003WO2002035727A1 System identifying method
04/03/2003US20030063664 Adaptive thresholding for adaptive equalization
04/02/2003EP1297523A1 Active noise reduction system
04/02/2003CN1407720A Variable-sample rate recursive digital filter
04/01/2003US6542539 Multiported register file for coefficient use in filters
03/2003
03/27/2003WO2003026236A2 Adaptive equalizer which is independent of the amplitude of the transmited signal
03/27/2003WO2002015323A9 Highly integrated single substrate mmw multi-beam sensor
03/27/2003CA2460988A1 Adaptive equalizer which is independent of the amplitude of the transmited signal
03/26/2003CN1406414A Adaptive line enhancer
03/25/2003US6539524 Method and apparatus for matching capacitance of filters having different circuit topologies
03/20/2003US20030054783 Directly tuned filter and method of directly tuning a filter
03/20/2003US20030053534 Transmit amplitude independent adaptive equalizer
03/18/2003US6535552 Fast training of equalizers in discrete multi-tone (DMT) systems
03/17/2003CA2404254A1 Directly tuned filter and method of directly tuning a filter
03/17/2003CA2357491A1 Filter tuning using direct digital sub-sampling
03/13/2003US20030048840 Adaptive equalizer
03/13/2003US20030048130 Variable frequency filter circuit
03/13/2003US20030048129 Time varying filter with zero and/or pole migration
03/12/2003EP1290792A1 Method and apparatus for the equalization of linearly distorted signals
03/06/2003US20030043899 Method of adjusting weights of an equalizer
03/06/2003US20030042984 Adaptive radio transceiver with low noise amplification
03/05/2003EP1289143A2 Variable sample rate recursive digital filter
02/2003
02/27/2003WO2003016943A1 Near object detection system
02/27/2003WO2002067422A3 N dimensional, non-linear, static, adaptive, digital filter design using d scale non-uniform sampling
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