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)
02/1985
02/26/1985US4502077 Ghost canceling apparatus
02/13/1985EP0133002A2 Adaptive radar signal processing apparatus
02/13/1985EP0132453A1 Method and apparatus for minimizing errors during the digital processing of electric signals
01/1985
01/01/1985US4491701 Adaptive filter including a far end energy discriminator
12/1984
12/27/1984CA1180070A Adaptive filter
12/18/1984US4489346 Separating filter
11/1984
11/28/1984EP0126301A2 Adaptive equalizer for digital signals
11/27/1984CA1178666A1 Adaptive equalizer
11/21/1984EP0125722A1 Circuit for joint adaptive equalisation and demodulation
11/21/1984EP0125649A1 Automatic equalizer
11/21/1984EP0125426A2 Integrated circuit filter with adjustable characteristics
11/13/1984CA1177941A1 Tracking filter for radio altimeter
10/1984
10/31/1984EP0123278A1 Digital wave filter with bridged digital wave filters
10/24/1984EP0122637A2 Automatic adaptive equalizer
10/17/1984EP0121992A2 Optimal covariance filtering
10/17/1984EP0121557A1 Adaptive filter including controlled tap gain coefficient drift.
10/16/1984CA1176318A1 Apparatus and method for removal of sinusoidal noise from a sampled signal
10/09/1984US4476438 Multiplier circuit including amplifier with drift compensation circuit
10/02/1984CA1175522A1 Adaptive system in a digital data receiver providing compensation for amplitude and phase distortions introduced by a data transmission channel
09/1984
09/25/1984US4473906 Active acoustic attenuator
09/18/1984US4472812 Kalman equalizer
09/18/1984US4472733 Color channel signal-to-noise improvement in digital television
09/05/1984EP0117626A2 Improvements in or relating to adaptive filter arrangements
09/05/1984EP0117596A1 Method of reducing the convergence time of an echo canceller, and device for performing this method
09/04/1984CA1173916A1 Digital signal separation filters
08/1984
08/29/1984EP0116990A1 Autoadaptive amplitude equalizing apparatus for digital microwave links
08/29/1984EP0116968A1 Adaptive echo canceller
08/28/1984US4468641 Adaptive filter update normalization
08/28/1984US4468640 Adaptive filter update normalization
08/21/1984US4467441 Adaptive filter including controlled tap coefficient leakage
08/14/1984CA1172702A1 Process and apparatus for the real time adaptive filtering of catheter pressure measurements
07/1984
07/19/1984WO1984002814A1 Improved method and means of determining coefficients for linear predictive coding
07/03/1984US4458328 Adaptive filter using an ASW storage correlator
06/1984
06/26/1984US4456992 Method and apparatus for enhancing the probability of error-free reception of digital signals
06/26/1984CA1169681A1 Signal filter method and apparatus
06/12/1984CA1169135A1 Adaptive filter including a far end energy discriminator
06/12/1984CA1169134A1 Adaptive system in a digital data receiver providing compensation for amplitude and phase distortions introduced by a data transmission channel
06/05/1984US4453218 For determining oxygen saturation of blood
06/05/1984CA1168776A1 Automatic, digitally synthesized matching line terminating impedance
05/1984
05/29/1984CA1168312A1 Technique for high rate digital transmission over a dynamic dispersive channel
04/1984
04/26/1984WO1984001641A1 Adaptive filter including controlled tap gain coefficient drift
04/25/1984EP0106406A1 Self-adaptive equalizer for base band data signal
04/25/1984EP0106229A2 Adaptive filter including controlled tap gain coefficient drift
03/1984
03/28/1984EP0103756A2 Coefficient adjusting method for an adaptive transversal filter
02/1984
02/14/1984US4431976 Adaptive filter
02/07/1984CA1161766A1 Active acoustic attenuator
01/1984
01/24/1984US4427981 Tracking filter for radio altimeter
01/19/1984WO1984000260A1 Adaptive filter update normalization
01/18/1984EP0098748A2 Adaptive filters
01/17/1984US4426729 Partial band - whole band energy discriminator
12/1983
12/28/1983EP0096943A2 Terminal arrangement for a duplex transmission system
12/28/1983EP0096936A1 Method of reducing the convergence time of an echo canceller, and apparatus for carrying out this method
12/20/1983US4422175 Constrained adaptive equalizer
12/13/1983US4420815 Apparatus and method for removal of sinusoidal noise from a sampled signal
11/1983
11/30/1983EP0095216A2 Multiplier/adder circuit
11/29/1983CA1157917A1 Fast learn digital adaptive equalizer
11/22/1983US4417317 Adaptive analog processor
11/15/1983US4415872 Adaptive equalizer
11/15/1983CA1157108A1 Correction processor of self-adaptive filters
10/1983
10/11/1983CA1155188A1 Amplitude equalizer
10/04/1983US4408332 Adaptive system in a digital data receiver providing compensation for amplitude and phase distortions introduced by a data transmission channels
09/1983
09/06/1983US4403298 Adaptive techniques for automatic frequency determination and measurement
08/1983
08/31/1983EP0086943A2 Adaptive spectrum shaping filter
08/23/1983CA1152596A1 Equalizer sample loading in voiceband data sets
08/23/1983CA1152577A1 Arrangement having a non-recursive filter
07/1983
07/19/1983US4394768 Adaptive system in a digital data receiver providing compensation for amplitude and phase distortions introduced by a data transmission channel
06/1983
06/28/1983CA1149032A1 Adaptive filter including a delay circuit
06/28/1983CA1149031A1 Adaptive filter including a delay circuit
06/21/1983US4389726 Adaptive predicting circuit using a lattice filter and a corresponding differential PCM coding or decoding apparatus
06/14/1983CA1148224A1 Transversal equalisers
03/1983
03/22/1983US4377793 Digital adaptive finite impulse response filter with large number of coefficients
03/22/1983CA1143440A1 Adaptive filter with tap coefficient leakage
03/03/1983WO1983000784A1 Adaptive equalizer
02/1983
02/23/1983EP0072542A2 Adaptive equalizer
12/1982
12/23/1982WO1982004488A1 Adaptive techniques for automatic frequency determination and measurement
12/22/1982EP0067378A2 Constrained adaptive equalizer
12/21/1982US4365338 Technique for high rate digital transmission over a dynamic dispersive channel
12/08/1982EP0066062A2 Apparatus for filtering low single frequency sinusoidal noise from an analog signal
11/1982
11/09/1982US4358790 Electrical data pulse slicing
10/1982
10/26/1982CA1134461A1 Waveform correction circuit
10/26/1982CA1134459A1 Synchronization of a data communication receiver with a received signal
10/19/1982US4355368 Adaptive correlator
09/1982
09/21/1982US4351060 Automatic, digitally synthesized matching line terminating impedance
09/16/1982WO1982003145A1 Adaptive filter including a far end energy discriminator
09/14/1982US4349889 Non-recursive filter having adjustable step-size for each iteration
08/1982
08/31/1982US4347615 Transversal equalizers
07/1982
07/28/1982EP0056546A2 Digital adaptive finite impulse response filter with large number of coefficients
06/1982
06/29/1982CA1126826A1 Coefficient tap leakage for fractionally-spaced equalizers
06/10/1982WO1982001948A1 Signal filter method and apparatus
06/01/1982US4333158 Automatic gain control circuit for an adaptive filter
05/1982
05/12/1982EP0051141A1 Method and arrangement for equalizing received binary signals
04/1982
04/20/1982US4325382 Process and apparatus for the real time adaptive filtering of catheter pressure measurements
03/1982
03/30/1982US4322811 Clamping circuit for an adaptive filter
03/29/1982EP0040217A4 Apparatus for and method of processing data signals.
03/23/1982US4321686 Correction processor of self-adaptive filters
01/1982
01/21/1982WO1982000228A1 Technique for high rate digital transmission over a dynamic dispersive channel
12/1981
12/01/1981US4303895 Automatic equalizer
11/1981
11/25/1981EP0040363A2 Apparatus for the real time adaptive filtering of catheter pressure measurements
11/25/1981EP0040217A1 Apparatus for and method of processing data signals.
11/18/1981EP0039980A1 Adaptive digital data receiving system with compensation of the amplitude and phase distortions introduced by the data transmission channel
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