Patents for H03H 21 - Adaptive networks (3,855)
11/1981
11/18/1981EP0039979A1 Adaptive digital data receiving system with compensation of the amplitude and phase distortions introduced by the data transmission channel
09/1981
09/15/1981US4290139 Synchronization of a data communication receiver with a received signal
08/1981
08/18/1981US4285061 Equalizer sample loading in voiceband data sets
08/05/1981EP0033216A2 Improvements in correction processor of self-adaptive filters
04/1981
04/16/1981WO1981001089A1 Control of coefficient drift for fractionally spaced equalizers
04/08/1981EP0026597A1 Data receiver adapted to receive a modulated signal and method of operating such a data receiver
04/01/1981EP0026065A1 Improvements in or relating to transversal equalisers
03/1981
03/24/1981US4258340 Amplitude equalizer
03/19/1981WO1981000797A1 Equalizer sample loading in voiceband data sets
03/17/1981US4257018 Automatic tuning circuits for voltage controlled filters, by digital phase control
01/1981
01/28/1981EP0023056A1 Arrangement having a non-recursive filter
01/20/1981US4246642 Leaky digital integrator
01/07/1981EP0021317A2 Adaptive filter with TAP coefficient leakage
01/06/1981US4243959 Adaptive filter with tap coefficient leakage
01/06/1981US4243935 Adaptive detector
12/1980
12/24/1980WO1980002897A1 Adaptive filter with tap coefficient leakage
12/09/1980US4238746 Adaptive line enhancer
12/02/1980US4237554 Coefficient tap leakage for fractionally-spaced equalizers
10/1980
10/01/1980EP0016503A1 Waveform correction circuit
09/1980
09/16/1980US4223181 Method and apparatus for processing signals
09/04/1980WO1980001863A1 Coefficient tap leakage for fractionally-spaced equalizers
08/1980
08/05/1980US4216496 Apparatus for detecting and measuring interference in transmission signals
06/1980
06/26/1980WO1980001348A1 Synchronization of a data communication receiver with a received signal
06/10/1980US4207624 Frequency domain adaptive filter for detection of sonar signals
04/1980
04/29/1980CA1076661A1 Signal processing means and method
04/22/1980US4199668 Circuit arrangement for signal equalization in wide-band transmission system
04/22/1980CA1076262A1 Method and apparatus for determining the initial values of the coefficients of a complex transversal equalizer
10/1979
10/31/1979EP0005128A2 Improvement in circuits for the automatic tuning of voltage controlled filters
09/1979
09/25/1979CA1063186A1 Recursive detector-oscillator circuit
03/1979
03/27/1979CA1051524A1 Method and apparatus for adjusting and readjusting an automatic corrector for a data signal transmission system
02/1979
02/20/1979US4140974 Distortion corrector for the adaptive base band correction of a phase-modulated signal
01/1979
01/16/1979CA1046597A1 Automatic passband equalizer for data transmission systems
01/16/1979CA1046592A1 System for automatic equilization
12/1978
12/26/1978US4131852 Single dispersive delay line compressive receiver
11/1978
11/14/1978CA1042523A1 Phase filter for reducing the effects of the noise components altering discrete phase modulated signals
10/1978
10/24/1978CA1041182A1 Automatic equalizing method and system
09/1978
09/19/1978CA1038934A1 Spectrum notcher
08/1978
08/08/1978US4106102 Self-adaptive digital filter for noise and phase jitter reduction
06/1978
06/27/1978US4097807 Automatic equalizing method and system
05/1978
05/09/1978US4089061 Method and apparatus for determining the initial values of the coefficients of a complex transversal equalizer
12/1977
12/06/1977US4061978 Timing recovery for an automatically equalized data modem
08/1977
08/23/1977US4044241 Adaptive matched digital filter
07/1977
07/26/1977US4038539 Adaptive pulse processing means and method
07/26/1977US4038536 Adaptive recursive least mean square error filter
07/19/1977US4037160 Method and apparatus for adjusting and readjusting an automatic corrector for a data signal transmission system
07/12/1977US4035725 Automatic passband equalizer for data transmission systems
05/1977
05/24/1977US4025719 Phase-directed decision feedback equalizer
11/1976
11/02/1976US3990022 System for automatic equalization
09/1976
09/07/1976US3979677 System for automatic equalization
07/1976
07/27/1976US3972000 Phase filter for reducing the effects of the noise components altering discrete phase modulated signals
07/27/1976US3971998 Recursive detector-oscillator circuit
07/06/1976US3968354 Transversal digital filter for delta coded signals
06/1976
06/29/1976US3967102 Self-adjusting digital notch filter
01/1976
01/27/1976US3935535 Fast equalization acquisition for automatic adaptive digital modem
01/13/1976US3932818 Spectrum notcher
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