Patents for H03H 15 - Transversal filters (1,369)
11/1978
11/21/1978US4126831 Electronic phase detector circuit
11/21/1978US4126794 Semiconductor charge coupled device with split electrode configuration
11/14/1978US4125899 Bessel function type automatic delay equalizer
11/07/1978US4124862 Charge transfer filter
11/07/1978US4124861 Charge transfer filter
10/1978
10/31/1978US4123733 Method of filtering analogue signals by transferring electrical charges in a semiconductor medium
10/31/1978CA1041613A1 Repositioning of equalizer tap-gain coefficients
10/24/1978CA1041182A1 Automatic equalizing method and system
10/17/1978US4121296 Digital signal processing arrangement
10/10/1978US4120035 Electrically reprogrammable transversal filter using charge coupled devices
09/1978
09/05/1978US4112456 Stabilized charge injector for charge coupled devices with means for increasing the speed of propagation of charge carriers
08/1978
08/29/1978US4110835 Bucket brigade circuit for signal scaling
08/15/1978US4107550 Bucket brigade circuits
07/1978
07/18/1978US4101966 4-quadrant multiplier
07/11/1978US4100513 Semiconductor filtering apparatus
06/1978
06/27/1978US4097807 Automatic equalizing method and system
06/20/1978US4096516 Electronic signal processing apparatus
05/1978
05/30/1978US4092725 Electronic transform system
05/30/1978US4092618 Discrete transversal filter
05/09/1978US4089061 Method and apparatus for determining the initial values of the coefficients of a complex transversal equalizer
03/1978
03/21/1978US4080581 Charge transfer transversal filter
02/1978
02/21/1978US4075514 Sensing circuit for semiconductor charge transfer devices
01/1978
01/31/1978US4071775 Charge coupled differential amplifier for transversal filter
12/1977
12/20/1977US4064397 Automatic equalizer having a coefficient matrix circuit
12/13/1977US4063034 Audio system with enhanced spatial effect
12/06/1977US4061978 Timing recovery for an automatically equalized data modem
11/1977
11/01/1977US4056737 Anti-aliasing pre-filter circuit for semiconductor charge transfer device
10/1977
10/11/1977US4053713 Multi-channel multiplex data transmission system
10/04/1977US4052606 Charge transfer device transversal filters
10/04/1977US4052559 Noise filtering device
09/1977
09/20/1977US4050084 Comb filter for television signals having adaptive features
09/13/1977US4048525 Output circuit for charge transfer transversal filter
09/06/1977US4047013 Method and apparatus for fast determination of initial transversal equalizer coefficient values
08/1977
08/09/1977US4041298 Floating clock sensor for buffered, independent, non-destructive readout of charge transfer devices
08/02/1977US4039978 Logic controlled charge transfer device transversal filter employing simple weighting
07/1977
07/12/1977US4035725 Automatic passband equalizer for data transmission systems
07/12/1977US4035629 Extended correlated double sampling for charge transfer devices
07/12/1977US4035628 Analog transversal filtering and correlation with progressive summation of analog signals
07/05/1977US4034199 Programmable analog transversal filter
06/1977
06/28/1977US4032867 Balanced transversal filter
06/21/1977US4031490 Analog signal processor
05/1977
05/31/1977US4027260 Charge transfer circuits exhibiting low pass filter characteristics
05/24/1977US4025719 Phase-directed decision feedback equalizer
04/1977
04/12/1977US4017811 Inverse Wiedemann effect torsional delay line matched filter device
02/1977
02/01/1977US4006352 Equalizer comprising first and second equalizing means and trainable in two steps
01/1977
01/25/1977US4005377 Conductivity coupled split capacitor signal processing device and apparatus therefor
01/18/1977US4004226 QAM receiver having automatic adaptive equalizer
01/18/1977US4004157 Output circuit for charge transfer transversal filter
01/11/1977US4003008 Electromagnetic signal processor
12/1976
12/21/1976US3999152 CCD selective transversal filter
12/21/1976US3997973 Transversal frequency filter
12/07/1976US3996610 Comb filter apparatus for video playback systems
12/07/1976US3996606 Comb filter for video processing
11/1976
11/02/1976US3990022 System for automatic equalization
10/1976
10/19/1976US3987293 Programmable general purpose analog filter
09/1976
09/07/1976US3979677 System for automatic equalization
08/1976
08/31/1976US3978407 Fast start-up adaptive equalizer communication system using two data transmission rates
08/03/1976US3973138 Bucket brigade transversal filter
07/1976
07/27/1976US3971998 Recursive detector-oscillator circuit
04/1976
04/27/1976US3953745 Charge transfer device signal processing system
04/20/1976US3952188 Monolithic transversal filter with charge transfer delay line
03/1976
03/23/1976US3946248 Dispersion compensated circuitry for analog charged systems
03/16/1976US3944850 Charge transfer delay line filters
03/02/1976US3942126 Band-pass filter for frequency modulated signal transmission
02/1976
02/10/1976US3938179 Comb filter for video processing
01/1976
01/27/1976US3935535 Fast equalization acquisition for automatic adaptive digital modem
01/27/1976US3935477 Analog inverter for use in charge transfer apparatus
01/27/1976US3935439 Variable tap weight convolution filter
01/06/1976US3931510 Equalization storage in recirculating memories
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