| Patents for H03H 15 - Transversal filters (1,369) |
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| 05/30/1989 | US4835725 Apparatus and method for multistage electrical signal processing |
| 05/30/1989 | US4835483 QAM demodulator with rapid resynchronization function |
| 05/23/1989 | US4833691 Line equalizer |
| 04/18/1989 | CA1252831A1 Equalizer with improved performance |
| 03/28/1989 | US4817081 Adaptive filter for producing an echo cancellation signal in a transceiver system for duplex digital communication through one single pair of conductors |
| 03/08/1989 | EP0305864A2 Improved sampling frequency converter for converting a lower sampling frequency to a higher sampling frequency and a method therefor |
| 03/07/1989 | CA1250910A1 Asynchronous and non-data decision directed equalizer adjustment |
| 03/02/1989 | DE3827962A1 Filter zur unterdrueckung von oberflaechen-interferenzen fuer satellitenkommunikations-empfaenger Filter to suppress surface until-interferences for satellite communication-empfaenger |
| 02/28/1989 | US4809060 Hanging dot reduction arrangement |
| 02/22/1989 | CN1003399B 解调器 Demodulator |
| 02/14/1989 | US4804924 Digital double demodulator |
| 02/07/1989 | US4803706 Variable delay charge coupled device |
| 02/07/1989 | US4803648 Echo canceller using an adaptive finite impulse response filter |
| 02/01/1989 | CN1030827A Device for eliminating fixed echoes for ultrasonic echograph |
| 01/11/1989 | EP0298569A1 Device to eliminate fixed echoes in an ultrasonic echograph |
| 01/11/1989 | EP0298301A1 Process for producing adaptable programmable filters, filters and filter banks therefor |
| 01/10/1989 | US4797898 Method and apparatus for equalization of data transmission system |
| 12/06/1988 | CA1246163A1 Adaptive equalizer |
| 11/22/1988 | US4786884 Adaptive transversal filter |
| 11/22/1988 | CA1245302A1 Sampled data fir filters with enhanced tap weight resolution |
| 10/25/1988 | CA1243734A1 Charge-coupled transversal filter |
| 09/20/1988 | US4773082 RF modem with improved binary transversal filter |
| 09/20/1988 | US4773034 Adaptive equalizer utilizing a plurality of multiplier-accumulator devices |
| 09/14/1988 | EP0282279A2 Apparatus for compressing and/or expanding time base |
| 08/23/1988 | CA1241077A1 Data processing filtering method and apparatus |
| 08/03/1988 | EP0276511A1 Adaptive time-descrete filter for forming a cancelling signal from synchronous data symbols |
| 07/27/1988 | EP0275302A1 Correlated sampling amplifier. |
| 07/19/1988 | US4759037 Passband equalization of modulated quadrature-related carrier signals |
| 07/12/1988 | US4757516 Transversal equalizer |
| 07/12/1988 | US4757395 Waveform equalizing circuit |
| 07/05/1988 | US4755984 Echo canceller for bidirectional digital transmission |
| 06/28/1988 | US4753900 Method of forming electrodes aligned with respect to a level of implantation in a substrate and a method of forming a charge transfer filter |
| 06/21/1988 | US4752750 Gallium arsenide substrate with lithium niobate |
| 06/21/1988 | US4752704 Noise suppression interface circuit for non-superimposed two-phase timing signal generator |
| 06/14/1988 | US4751666 Switched capacitor finite impulse response filter |
| 06/02/1988 | WO1988004116A1 Method and apparatus for equalization of data transmission system |
| 06/01/1988 | EP0269253A1 RF modem with improved binary transversal filter |
| 05/31/1988 | US4748578 Process and apparatus for translating the sampling rate of a sampling sequence |
| 05/24/1988 | US4747140 Low distortion filters for separating frequency or phase modulated signals from composite signals |
| 05/24/1988 | US4747068 Adaptive filter |
| 05/18/1988 | EP0121557B1 Adaptive filter including controlled tap gain coefficient drift |
| 05/17/1988 | US4745623 Adaptive transverse equalizer |
| 04/20/1988 | EP0146601B1 Downsampling and prefilter implementation in television systems |
| 04/12/1988 | US4737928 High accuracy random channel reproducing simulator |
| 04/12/1988 | US4737724 Variable digital phase-shifter and digital velocity corrector for use in video recorders |
| 04/06/1988 | EP0262644A2 QAM Demodulator with rapid resynchronization function |
| 03/23/1988 | EP0260753A1 Delay circuit comprising all-pass networks |
| 03/22/1988 | US4733407 Charge-coupled device |
| 03/16/1988 | EP0259419A1 Double digital demodulator. |
| 03/08/1988 | US4730281 Data processing filtering method and apparatus |
| 03/08/1988 | CA1233891A1 Switched capacitor finite impulse response filter |
| 02/23/1988 | US4727424 Sampled data filtering system, including a crossbar switch matrix, as for a ghost cancellation system |
| 01/28/1988 | WO1988000757A1 Correlated sampling amplifier |
| 01/26/1988 | CA1232037A1 Filter arrangement |
| 01/20/1988 | EP0253476A2 Multistage digital signal multiplying and adding apparatus |
| 01/20/1988 | EP0253475A2 Multistage digital signal multiplying and adding apparatus |
| 01/12/1988 | CA1231397A1 Waveform shaping apparatus |
| 01/05/1988 | US4717830 Correlated sampling amplifier |
| 12/16/1987 | EP0249279A2 Digital filter |
| 11/25/1987 | EP0246911A2 Improvements in or relating to multistage electrical signal processing apparatus |
| 11/25/1987 | EP0246905A2 Multi-stage apparatus with redundancy and method of processing data using the same |
| 11/25/1987 | EP0246425A1 Apparatus for cancelling echoes in a duplex digital transmission system |
| 11/24/1987 | US4709395 Method and apparatus for minimizing errors in the digital processing of electrical signals |
| 11/10/1987 | US4706188 Method and apparatus for reading samples of a time-dependent signal in a data processing system |
| 11/04/1987 | EP0244136A2 Adaptive apparatus for compensating for distortion in an incoming signal comprising quadrature-related carrier signals |
| 10/27/1987 | US4703447 Mixer controlled variable passband finite impulse response filter |
| 10/27/1987 | US4703343 Noise reduction feedback type comb filter |
| 10/14/1987 | EP0241069A1 Adaptive transversal filter |
| 10/13/1987 | US4700345 Downsampling and prefilter implementation in television systems |
| 10/07/1987 | EP0240056A1 Adaptive filter for producing and echo cancellation signal in a transceiver system for duplex digital communication through one single pair of conductors |
| 09/24/1987 | WO1987005758A1 Double digital demodulator |
| 09/22/1987 | US4696015 Echo correction especially for television broadcast systems |
| 09/22/1987 | US4695969 Equalizer with improved performance |
| 09/01/1987 | US4691171 Integrated RC filter with resistor trimming |
| 08/05/1987 | EP0230820A1 Method of realizing electrodes aligned in regard to an implantation level within a substrate, and method of realizing a filter for charge transfer |
| 07/01/1987 | CN86107851A Charge-coupled device |
| 06/16/1987 | CA1223062A1 Movement-adaptive transversal-recursive noise suppression circuit for a television signal |
| 06/16/1987 | CA1223050A1 Equalizer networks and methods of developing scaling coefficients therefor |
| 06/09/1987 | US4672644 Compensator for charge transfer inefficiency in charge coupled devices |
| 05/27/1987 | EP0223294A1 Charge-coupled device |
| 05/20/1987 | EP0222428A1 Adaptive filter |
| 05/19/1987 | US4667298 Method and apparatus for filtering high data rate signals |
| 05/12/1987 | CA1221749A1 Fractionally spaced equalization using nyquist-rate coefficient updating |
| 05/06/1987 | EP0220403A1 Series network arrangement adjustable in stages |
| 04/28/1987 | US4661788 Tapped CCD delay line with non-destructive charge sensing using floating diffusions |
| 04/21/1987 | CA1220823A1 Adaptive filter update gain normalization |
| 04/15/1987 | EP0218241A2 Bi-dimensional comb filter |
| 04/15/1987 | EP0218181A1 Adaptive transversal equalizer |
| 04/14/1987 | US4658225 Circuit for filtering an input signal |
| 04/08/1987 | EP0217328A2 Transversal equalizer |
| 03/24/1987 | CA1219649A1 Echo cancelling system comprising cascade-connected local echo cancellers operable independently of one another |
| 03/24/1987 | CA1219648A1 Adaptive echo canceller |
| 03/10/1987 | US4649507 Segmented transversal filter |
| 02/24/1987 | US4646327 Waveform shaping apparatus |
| 02/17/1987 | US4644424 Equalizer used for magnetic storage device |
| 02/04/1987 | CN85108578A Switched capacitor finite impulse response filter |
| 01/24/1987 | CN85102052A Charge-coupled transversal filter |
| 01/06/1987 | US4635276 Asynchronous and non-data decision directed equalizer adjustment |
| 12/30/1986 | US4633482 Method of and arrangement for determining the optimum position of the reference tap of an adaptive equalizer |
| 12/30/1986 | US4633046 Adaptive echo canceller |