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)
03/1987
03/31/1987US4654811 Adaptive filter for aircraft navigation receiver
03/24/1987US4652907 Apparatus for adaptively controlling a video signal recursive filter
03/24/1987CA1219648A1 Adaptive echo canceller
03/17/1987US4650930 Adaptive equalizer
03/10/1987US4649505 Two-input crosstalk-resistant adaptive noise canceller
03/10/1987US4649335 Equipment for locating a signal reflection point in a transmission line
02/1987
02/24/1987US4646327 Waveform shaping apparatus
02/17/1987US4644424 Equalizer used for magnetic storage device
02/17/1987CA1218120A1 Automatic adaptive equalizer
02/03/1987US4641180 Electronic circuit apparatus for separating the luminance and color information of a color television signal
01/1987
01/28/1987EP0209931A2 Equaliser with adjustable band filters and a digital filter suitable for use in the equaliser
01/27/1987US4639935 Apparatus for correcting frequency-dependent attenuation of the transmitting medium in signal transmission
01/20/1987US4638495 Automatic adaptive equalizer
01/07/1987EP0207085A1 Signal to noise ratio enhancement using baseband signals in an fm television system.
01/06/1987US4635276 Asynchronous and non-data decision directed equalizer adjustment
12/1986
12/30/1986US4633252 Radar velocity sensor
12/30/1986US4633046 Adaptive echo canceller
12/30/1986EP0205526A1 Image filtering apparatus and method.
12/09/1986CA1215132A1 Method and apparatus for digital signal processing
12/03/1986EP0203726A1 Non linear adaptive filters
12/02/1986US4626894 Signal filtering system having adaptively cascaded filter stages for developing a variable bandwidth frequency characteristic
11/1986
11/12/1986EP0201281A2 Adaptive equalizer
11/04/1986US4621173 Method of reducing the convergence time of an echo canceller and apparatus for carrying out said method
10/1986
10/29/1986CN85103887A Optimum self-adapting filter
09/1986
09/24/1986EP0195416A2 Inverse control system
09/24/1986CN85100784A Feedback acoustic suppressor
09/23/1986CA1211799A1 Apparatus for correcting frequency-dependent attenuation of the transmitting medium in signal transmission
09/16/1986CA1211526A1 Method of reducing the convergence time of an echo canceller and apparatus for carrying out said method
09/16/1986CA1211516A1 Self-adaptive equalizer for baseband data signals
09/16/1986CA1211515A1 Combined adaptive equalization and demodulation circuit
08/1986
08/27/1986EP0192411A2 Adaptive equalizer
08/26/1986US4608701 Communication receiving unit for the suppression of noise and interference signals
08/19/1986CA1210083A1 Adaptive equalizer for digital signals affected by distortions with time varying characteristics
08/13/1986CN86101560A Adaptive equalizer
07/1986
07/29/1986CA1208716A1 Auto-adaptive amplitude-equalizing arrangement for digital radio links
07/29/1986CA1208703A1 Mse variable step adaptive filter
07/23/1986EP0159314A4 Noise subtraction filter.
07/16/1986CN85107193A Avaptive filtering system
07/09/1986CN85108684A Signal to noise ration enhancement using baseband signals in an fm television system
07/03/1986WO1986003919A1 Signal to noise ratio enhancement using baseband signals in an fm television system
06/1986
06/24/1986CA1206595A1 Apparatus for color channel signal-to-noise improvement in digital television
06/19/1986WO1986003594A1 Image filtering apparatus and method
06/10/1986US4594725 Combined adaptive equalization and demodulation circuit
06/04/1986EP0183389A1 Adaptive recognising device
05/1986
05/27/1986US4591669 Adaptive filter update gain normalization
05/13/1986US4589083 Adaptive sinusoidal interference filter
05/06/1986US4587620 Noise elimination device
04/1986
04/29/1986CA1203858A1 Adaptive equalizer for digital signals
04/22/1986US4584599 Signal to noise ratio enhancement using baseband signals in an FM television system
04/09/1986EP0177285A2 Adaptive filtering system
04/09/1986EP0177239A2 Adaptive filter including signal path compensation
04/02/1986EP0176312A1 Adaptive filter update gain normalization
04/01/1986US4580275 Adaptive equalizer for binary signals and method of operating same
04/01/1986US4580176 Adaptive equalization circuit for magnetic recording channels utilizing signal timing
04/01/1986US4580128 Digital signal processing device
04/01/1986CA1202693A1 Adaptive filter including controlled tap gain coefficient drift
03/1986
03/25/1986US4578676 Delay lattice filter for radar doppler processing
03/18/1986US4577329 Self-adaptive equalizer for baseband data signals
03/11/1986US4575857 Adaptive equalizer with variable tap coefficient leakage
03/04/1986US4574166 Tandem adaptive filter arrangement
02/1986
02/26/1986EP0172532A2 Waveform shaping apparatus
02/18/1986US4571732 Adaptive equalizer for binary signals and method of operating same
02/18/1986US4571720 Method and apparatus for reducing the convergence time of an echo canceller
01/1986
01/15/1986EP0167677A1 Signal processing arrangement
12/1985
12/17/1985US4559635 Auto-adaptive amplitude-equalizing arrangement for digital radio links
11/1985
11/21/1985EP0161335A2 Preparation of sampled values of a time-variable signal in a data processing arrangement
11/19/1985US4554417 Tandem adaptive echo canceler arrangement
10/1985
10/30/1985EP0159314A1 Noise subtraction filter
10/23/1985EP0159142A1 Digital filters
10/08/1985CA1194944A1 Adaptive filter update normalization
10/01/1985US4545027 For analyzing a train of pulses
09/1985
09/25/1985EP0155731A1 Addressing device for the delivery of address codes to a memory
09/24/1985CA1194165A1 Method of reducing the convergence time of an echo canceller and apparatus for carrying out said method
09/24/1985CA1194138A1 Terminal arrangement for a duplex transmission system
08/1985
08/27/1985US4537200 In a patient monitoring system
08/21/1985EP0152172A1 Adaptive digital filter
08/13/1985US4535443 Terminal arrangement for a duplex transmission system
08/06/1985CA1191570A1 Partial band - whole band energy discriminator
07/1985
07/31/1985EP0149785A1 Method and circuit arrangement in the form of an adaptive transversal filter for processing digital signals
07/24/1985EP0149214A2 Adaptive comb filter
07/10/1985EP0147550A1 Equalization circuits for magnetic recording channels
06/1985
06/26/1985EP0146175A1 Device for localizing a signal-reflecting point on a transmission line
06/18/1985US4524424 Adaptive spectrum shaping filter
06/18/1985US4524423 Digital signal separation filters
06/10/1985EP0135512A4 Improved method and means of determining coefficients for linear predictive coding.
06/06/1985WO1985002509A1 Apparatus for correcting frequency-dependent attenuation of the transmitting medium in signal transmission
06/04/1985US4521907 For minimizing error components in the analog output signal
06/04/1985CA1188424A1 Multiplier/adder circuit
05/1985
05/21/1985CA1187599A1 Separating filter
05/21/1985CA1187563A1 Digital adaptive finite impulse response filter with large number of coefficients
05/15/1985EP0141583A2 Adaptive filterbank
05/15/1985EP0141441A1 Communication receiving unit for the suppression of noise and interference signals
05/08/1985EP0140518A2 Radar velocity sensor
05/07/1985CA1186750A1 Adaptive techniques for automatic frequency determination and measurement
04/1985
04/25/1985EP0121557A4 Adaptive filter including controlled tap gain coefficient drift.
04/23/1985US4513254 Integrated circuit filter with adjustable characteristics
04/17/1985EP0137213A2 Adaptive equalizer for digital signals affected by distorsions with time varying characteristics
04/11/1985WO1985001586A1 Noise subtraction filter
04/03/1985EP0135512A1 Improved method and means of determining coefficients for linear predictive coding.
03/1985
03/13/1985EP0040217B1 Apparatus for and method of processing data signals
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