Patents for H03H 15 - Transversal filters (1,369) |
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12/18/1991 | EP0461931A2 Adaptive equalizer capable of effectively removing a remaining fading in an equalized signal |
12/11/1991 | CN1056971A Control signal spreader |
12/04/1991 | EP0459687A2 Traveling wave type transversal equalizer |
12/04/1991 | EP0459407A2 Digital comb filter |
11/26/1991 | US5068667 Cross-polarization interference canceller |
11/13/1991 | EP0456242A1 Automatic equalizer and semiconductor integrated circuit containing such an equalizer |
10/23/1991 | EP0453282A2 Digital subband encoding apparatus |
10/22/1991 | US5060088 Adaptive equalization for recording systems using partial-response signaling |
10/22/1991 | US5060056 Luminance signal/color signal separating circuit and noise reduction circuit using a comb filter |
10/15/1991 | US5058130 Jitter equalizer for digital transmission filter |
10/08/1991 | US5055795 Traveling wave type transversal equalizer |
09/25/1991 | EP0448251A2 Demodulating system capable of accurately equalizing received signals using error correction codes |
09/24/1991 | US5051942 Method and apparatus for calculating filter factors |
09/24/1991 | US5051709 Saw device tapped delay line and equalizer |
09/24/1991 | CA1289653C Apparatus for compressing and/or expanding time base |
09/17/1991 | CA1289198C Line equalizer |
09/11/1991 | EP0446053A2 Logical comb filters |
09/10/1991 | US5048055 Multi-data rate selectable equalizer |
09/10/1991 | US5047840 Luminance signal/chrominance signal separating circuit and a noise reduction circuit using a 3 line logical comb filter |
09/04/1991 | EP0445057A2 Multi-data rate selectable equalizer |
08/28/1991 | EP0443333A1 Cross-polarization interference canceller |
08/28/1991 | EP0443115A1 Wave digital filter composed of memories and n-port adaptors |
07/09/1991 | US5031194 Wideband digital equalizers for subscriber loops |
06/18/1991 | US5025234 Transversal filter with wide band phase shifters in series with the delay cells |
06/11/1991 | US5023713 Motion detection circuit for use in a television |
06/07/1991 | WO1991008549A1 Waveshaping transversal filter and method utilizing the same for data transmission over coaxial cable |
06/04/1991 | US5021756 Transversal and recursive filters useable in a diplexer |
05/29/1991 | EP0275302B1 Correlated sampling amplifier |
05/29/1991 | EP0259419B1 Double digital demodulator |
05/22/1991 | EP0428199A2 Receiver for digital communication system with channel estimator |
05/22/1991 | EP0427951A2 System to generate switching criteria and equalize adaptively in data spectrum |
05/08/1991 | EP0426426A2 Filter device |
04/02/1991 | US5005184 Method and apparatus for waveform equalization |
03/27/1991 | EP0419225A2 Transversal type automatic equalizer with tap coefficient protection |
03/26/1991 | CA1282167C Low distortion filters for separating frequency or phase modulated signals from composite signals |
03/19/1991 | CA1281783C Method and apparatus for equalization of data transmission system |
03/06/1991 | EP0415399A2 Luminance/chrominance separation circuit |
02/21/1991 | WO1991002407A1 Wideband digital equalizers for subscriber loops |
02/13/1991 | CN1011569B Device for eliminating fixed echoes for ultrasonic echograph |
02/07/1991 | WO1991001593A1 Saw device tapped delay line and apparatus using same |
02/05/1991 | US4991003 Receiver with correction for comb filter frequency response |
01/26/1991 | WO1991001526A1 Digital filter and method of design |
12/27/1990 | EP0404237A2 Method and device for noise supression of a digital signal |
11/28/1990 | EP0399968A1 A method and arrangement for avoiding erroneous echoelimination and/or for avoiding erroneous equalization in a telecommunication system |
11/22/1990 | EP0398441A1 Adaptive discrete-time transversal filter |
11/22/1990 | EP0398089A2 Comb filter circuit for removing noise |
11/20/1990 | CA1276693C Demodulator |
11/15/1990 | WO1990013978A1 Two-line crest filter with spatial mixing |
11/01/1990 | WO1990013185A1 A method and arrangement for avoiding erroneous echo-elimination and/or equalization in a telecommunication system |
10/31/1990 | EP0220403B1 Series network arrangement adjustable in stages |
10/24/1990 | EP0394000A2 Receiver with correction for comb filter frequency response |
09/04/1990 | US4954795 Surface acoustic wave filter for suppressing surface to surface interference for a satellite communication receiver |
08/29/1990 | EP0384448A2 Digital filter |
08/29/1990 | EP0384447A2 Digital filter |
07/19/1990 | DE4000790A1 Colour signal processor for PAL video tape recorder - has signal reproducer contg. separate luminance and chrominance signals, and identifying signal, to residual chrominance component |
07/11/1990 | EP0377300A2 Transversal and recursive filters |
05/22/1990 | US4928287 Automatic equalizer |
05/16/1990 | EP0368189A2 Reduction of signal processing requirements in a 2B1Q-code echo canceller or equalizer |
05/15/1990 | US4926499 Carrier phase controller for a receiver of phase modulated signals |
05/15/1990 | US4926472 Reduction of signal processing requirements in a 2B1Q-code echo canceller or equalizer |
05/01/1990 | US4922509 Method of implementing programmable matched filters, and corresponding filters and filter banks |
04/25/1990 | EP0364967A2 Luminance/chrominance signal separation circuit for pal color television signal |
04/24/1990 | US4920530 Adaptive time-discrete filter for forming a cancelling signal from synchronous data symbols |
04/24/1990 | US4920510 Sample data band-pass filter device |
04/24/1990 | US4920508 Multistage digital signal multiplication and addition |
04/24/1990 | US4920408 Circuit for separating composite color television signal into luminance signal and chrominance signal |
04/18/1990 | EP0363551A1 Adaptive equalization for recording systems using partial-response signaling |
04/17/1990 | US4918402 Delay circuit having at least one all-pass network |
04/17/1990 | US4918401 Step adjustable distributed amplifier network structure |
04/11/1990 | CN1007566B Charge-coupled device |
04/05/1990 | DE3928936A1 CCD delay line with buried CC element - has input bias voltage adjuster for clamping signal to be delayed and its supply to delay line |
03/21/1990 | EP0358757A1 Measurement of the variation in time of a periodic signal |
03/07/1990 | CN1007111B Charge-coupled transversal filter |
02/20/1990 | US4903019 Sampling frequency converter for converting a lower sampling frequency to a higher sampling frequency and a method therefor |
02/13/1990 | CA1265854A1 Adaptive filter for producing an echo cancellation signal in a transceiver system for duplex digital communication through one single pair of conductors |
02/13/1990 | CA1265847A1 Adaptive time-discrete filter for forming a cancelling signal from synchronous data symbols |
02/06/1990 | CA1265594A1 Echo cancellers for bidirectional digital transmission systems |
12/27/1989 | EP0348100A2 Phase jitter compensation arrangement using an adaptive IIR filter |
11/28/1989 | US4883060 Device for eliminating fixed echoes for an ultrasonic echograph |
11/09/1989 | DE3807147A1 Verfahren und anordnung zur messung des zeitlichen verlaufs eines periodischen signals mit hoher zeitaufloesung nach einem boxcar-aehnlichen verfahren The method and process arrangement for measuring the temporal course of a periodic signal with high time resolution according to a similar boxcar |
11/02/1989 | WO1989008266A3 Measurement of the variation in time of a periodic signal |
10/24/1989 | US4876703 Apparatus for compressing and/or expanding time base |
10/24/1989 | US4876464 Sampled data circuit |
10/04/1989 | EP0335447A2 Non-linear comb filter for color TV receivers |
10/03/1989 | CA1262187A1 Charge-coupled device |
09/26/1989 | CA1261008A1 Adaptive transversal filter |
09/13/1989 | EP0332079A2 Adaptive equalizer system |
09/12/1989 | CA1259385A1 Cross-polarization canceler/equalizer |
09/08/1989 | WO1989008266A2 Measurement of the variation in time of a periodic signal |
08/29/1989 | CA1258885A1 Transversal equalizer |
08/16/1989 | EP0327966A1 Transverse filter |
08/15/1989 | US4858233 Redundancy scheme for multi-stage apparatus |
08/01/1989 | US4853651 Delay circuit with all-pass network |
07/11/1989 | US4847864 Phase jitter compensation arrangement using an adaptive IIR filter |
07/11/1989 | US4847682 Adaptive comb filter for artifact-free decoding |
07/04/1989 | US4845547 Non-linear comb filter for color TV receivers |
07/04/1989 | CA1256955A1 Passband equalization of modulated quadrature-related carrier signals |
06/28/1989 | EP0322060A2 Adjusting filter coefficients |
06/27/1989 | US4843582 Digital filter in which linear combinations of powers of two are converted to binary numbers using wallace trees |
06/21/1989 | EP0321045A2 Adaptive comb filter for artifact-free decoding |