Patents for H03H 21 - Adaptive networks (3,855)
04/1996
04/23/1996US5511042 Enhanced adaptive statistical filter providing improved performance for target motion analysis noise discrimination
04/23/1996US5511014 Method for determining the transmittance of a filter circuit adapted to transform the impulse response of a filter into a minimal phase response and filter implementing this method
04/23/1996US5511009 Energy-based process for the detection of signals drowned in noise
04/23/1996US5511008 Process and apparatus for extracting a useful signal having a finite spatial extension at all times and which is variable with time
04/18/1996CA2160625A1 Device for recognizing informations carried by a received signal
04/17/1996EP0707401A2 A hybrid equalizer arrangement for use in data communications equipment
04/17/1996EP0707400A2 A hybrid equalizer arrangement for use in data communications equipment
04/04/1996DE19535839A1 Automatischer Amplitudenentzerrer An automatic amplitude
04/03/1996EP0705009A1 Process for fast blind equalization of an adaptive equalizer
04/03/1996EP0704988A2 Cellular terminal with echo suppressor
04/03/1996EP0704968A1 Adaptive circuit
04/03/1996EP0655151A4 Multiple interacting dve algorithm.
04/02/1996US5504633 Apparatus, having a variable equalizer, for reproducing a digital signal from a record carrier
04/02/1996CA2063037C Multi-channel echo canceling method and apparatus
03/1996
03/31/1996CA2159577A1 Fixed cellular terminal for two-wire telecommunications services
03/21/1996WO1996008867A1 Filter
03/20/1996EP0702467A1 Digital transmission system synchronizable on initialization sequences
03/20/1996EP0396666B1 Selective active cancellation system for repetitive phenomena
03/19/1996US5500903 Method for vectorial noise-reduction in speech, and implementation device
03/19/1996US5500892 Echo canceller
03/13/1996EP0701350A2 Blind transversal equaliser
03/13/1996EP0700543A1 Complex adaptive fir filter
03/13/1996CN1118536A Procedure for equalizing distorted data signals
03/12/1996US5499301 Active noise cancelling apparatus
03/12/1996US5498994 For filtering harmonic current components in a power line of a system
03/06/1996EP0700171A2 Echo canceller coefficient adaptation
03/06/1996EP0700156A2 Beamformer using coefficient restrained adaptive filters for detecting interference signals
03/06/1996EP0700155A1 Method and apparatus capable of quickly identifying an unknown system with a final error reduced
02/1996
02/27/1996US5495507 Filter arrangement implementing a least squares method utilizing rotation matrices
02/27/1996US5495501 Communication system including a digital roll-off filter
02/27/1996CA2038305C Circuit for controlling tap gains at rapid speed in an adaptive filter
02/20/1996US5493616 Vehicle internal noise reduction system
02/20/1996US5493585 Semi-recursive adaptive equalizer
02/20/1996US5493516 Dynamical system analyzer
02/20/1996US5493296 Noise shaping circuit and noise shaping method
02/20/1996CA2044707C Adaptive equalizer capable of effectively removing a remaining fading in an equalized signal
02/20/1996CA2039278C Motion adaptive luminance signal and color signal separation filter
02/14/1996EP0696856A2 DS/CDMA receiver having an interference cancelling function capable of assuring a desired reception quality in a narrow-band DS/CDMA system
02/13/1996US5491726 Method and apparatus to determine the frequency and time slot position in a digital wireless communication session
02/13/1996US5491446 Adapative control device
02/07/1996EP0696120A2 Method and apparatus for centering equalizer taps
02/06/1996US5490169 Decision feedback equalizer method and apparatus
02/06/1996CA2058495C Adaptive filter capable of quickly identifying an unknown system
02/01/1996WO1996002981A1 Method and apparatus for echo cancelling with double-talk immunity
01/1996
01/30/1996US5488667 Vehicle internal noise reduction system
01/24/1996CN1115541A Apparatus for suppressing ghosts in signals modulating a carrier in quadrature phasing with a video carrier
01/23/1996US5487085 Transmission system with improved equalizer
01/10/1996EP0691770A2 Maximum-likelihood sequence estimator with variable number of states
01/10/1996EP0691052A1 Method and apparatus for encoding multibit coded digital sound through subtracting adaptive dither, inserting buried channel bits and filtering, and encoding and decoding apparatus for use with this method
01/02/1996US5481565 Method for identifying symbols
12/1995
12/27/1995EP0688476A1 Digital time signal filtering method and device for transmission channel echo correction
12/26/1995US5479440 Apparatus and method for impulsive noise cancellation
12/21/1995WO1995034983A1 Adaptive microphone arrangement and method for adapting to an incoming target-noise signal
12/20/1995EP0688110A2 Method and apparatus for adaptive dual decision equalization in multipath fading channels
12/20/1995EP0688099A1 Adaptive filter capable of removing a residual echo at a rapid speed
12/20/1995CN1113627A Noise-canceling differential microphone assembly
12/13/1995EP0686323A1 One-bit analog-to-digital converters and digital-to-analog converters using an adaptive filter having two regimes of operation
12/12/1995US5475761 Adaptive feedforward and feedback control system
12/12/1995US5475759 Electronic filters, hearing aids and methods
12/12/1995US5475710 Adaptive equalizer and receiver
12/12/1995US5475632 Method of and apparatus for identifying unknown system using adaptive filter
12/12/1995CA2061527C Method and apparatus for controlling coefficients of adaptive filter
12/06/1995EP0685937A1 Multipath eliminating filter
12/06/1995EP0685936A2 Adaptive antenna matching
12/05/1995US5473702 Adaptive noise canceller
12/05/1995US5473699 Vehicle internal noise reduction system
12/05/1995US5473684 Noise-canceling differential microphone assembly
11/1995
11/29/1995EP0684594A2 Coherence optimized active adaptive control system
11/29/1995EP0663085A4 Method and apparatus for reduced-complexity viterbi-type sequence detectors.
11/28/1995US5471538 Microphone apparatus
11/28/1995US5471501 Enhanced digital communications receiver using channel impulse estimates
11/28/1995CA2055847C Decision feedback equalizer
11/21/1995US5469510 Arbitration adjustment for acoustic reproduction systems
11/14/1995US5467370 Method and apparatus for an adaptive three tap transversal equalizer for partial-response signaling
11/08/1995EP0681291A2 Method for equalising corrupted data signals
11/02/1995EP0680224A1 Fuzzy logic based filter architecture for video applications and corresponding filtering method
11/02/1995EP0680183A2 Method for setting the parameters of an equaliser
10/1995
10/26/1995WO1995028766A1 Impulsive noise cancellation method and apparatus for low sample rate data
10/25/1995EP0679044A2 Noise-canceling differential microphone assembly
10/12/1995DE19506324C1 Adaptive balance filter guaranteeing optimal matching to line
10/12/1995CA2146579A1 Received signal processing device, particularly for a mobile digital radiocommunication system
10/11/1995EP0676869A1 Reception processing apparatus with switchable decision block for reduction of power consumption
10/11/1995CN1110071A Decision feedback equalizer method and apparatus
10/11/1995CN1110029A A method and device for estimating transmitted signals in a receiver in digital signal transmission operations
10/04/1995EP0675622A2 Process and system for transferring vector signal with precoding for signal power reduction
09/1995
09/28/1995DE4417628C1 Adaptive noise reduction system for digital image sequences
09/27/1995EP0674393A1 Modulation method, recording method, reproducing method, recording and reproducing apparatus, recording and reproducing method, and reproducing apparatus
09/27/1995EP0597873B1 Process for compensating for quasi-periodic disturbances of measurement signals
09/27/1995CN1109264A Transmission system comprising at least a coder
09/27/1995CN1109263A Transmission system comprising at least a coder
09/26/1995US5453940 Dynamical system analyser
09/19/1995US5451949 One-bit analog-to-digital converters and digital-to-analog converters using an adaptive filter having two regimes of operation
09/12/1995US5450494 Automatic volume controlling apparatus
09/12/1995US5450452 Digital loop filter and digital PLL circuit using the same
09/12/1995US5450445 Method and arrangement of estimating data sequences transmitted using viterbi algorithm
09/12/1995US5450339 Noncanonic fully systolic LMS adaptive architecture
09/06/1995EP0670639A1 Reduced complexity MLSE receiver using modified tap weights and symbol derotation
09/05/1995US5448683 Speech encoder
09/05/1995US5448590 Equalization technique for compensating for degradation to the transmission of digitally modulated signals
08/1995
08/30/1995EP0669740A2 Modem adapted to digital subscriber lines
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