| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 02/11/1997 | US5601088 Systems and methods for filtering artifacts from composite signals |
| 02/06/1997 | WO1997004525A2 A wireless digital communication device, and a pulse shaping network |
| 02/05/1997 | EP0757450A2 Acquisition and tracking filter for spread spectrum signals |
| 02/05/1997 | EP0757446A2 Analogue to digital and digital to analogue converters |
| 02/05/1997 | CN1142079A Audio-frequency data processing device |
| 02/04/1997 | US5600582 Programmable horizontal line filter implemented with synchronous vector processor |
| 01/29/1997 | EP0756404A2 Burst update for an adaptive equalizer |
| 01/29/1997 | EP0756378A1 Matched filter circuit |
| 01/29/1997 | EP0756377A1 Matched filter circuit |
| 01/29/1997 | EP0755591A1 Determining echo return loss in echo cancelling arrangements |
| 01/29/1997 | CN1141703A Higher order digital phase loop filter |
| 01/29/1997 | CN1141535A Hardware efficient interpolation filter |
| 01/28/1997 | US5598433 Automatic equalizer and data mode convergence method |
| 01/28/1997 | US5598432 Equalizing received signal samples by receiving input in a first register at a first rate greater than or equal to the transmission rate and further receiving samples into a plurality of register at a second rate lower than the first rate |
| 01/28/1997 | US5598353 Method and apparatus for combining a multiple-bit digital audio signal with a single-bit digital audio signal |
| 01/28/1997 | US5598159 Method for the fast decoding of the output signals of sigma delta modulators |
| 01/22/1997 | EP0755149A1 Method and system for digitizing ccd data |
| 01/22/1997 | EP0691048B1 Digital filter |
| 01/22/1997 | EP0653121B1 Digital audio synchroniser |
| 01/21/1997 | US5596645 Sound image localization control device for controlling sound image localization of plural sounds independently of each other |
| 01/21/1997 | US5596609 Parallel cascaded integrator-comb filter |
| 01/21/1997 | US5596284 System for, and method of, minimizing noise in an integrated circuit chip |
| 01/21/1997 | CA2065913C Multi-channel active acoustic attenuation system |
| 01/15/1997 | EP0753953A1 Method and apparatus for multi-level quadrature amplitude modulation |
| 01/15/1997 | EP0753938A1 Frequency tuning apparatus and method for continuous-time filters |
| 01/15/1997 | EP0753849A2 Signal processing device |
| 01/14/1997 | US5594677 Method and apparatus for filtering high resolution digital signals |
| 01/14/1997 | US5594675 Reduced signal processing requirement sample and hold linear phase interpolative fir filter |
| 01/14/1997 | US5594612 Analog-to-digital converter with digital linearity correction |
| 01/14/1997 | US5594508 Decoder using adaptive non-separable digital filter |
| 01/14/1997 | US5594377 Delay circuit for a write data precompensator system |
| 01/09/1997 | DE19626615A1 Verfahren und Apparat zur Kompression, das bzw. der reversible Wavelet-Transformationen und einen eingebetteten Kodestrom verwendet Method and apparatus for compression, used or reversible wavelet transforms and an embedded codestream |
| 01/09/1997 | DE19626600A1 Reversible-Wavelet-Transformationen und eingebettete Kodestrom-Manipulation Reversible wavelet transforms and embedded codestream manipulation |
| 01/07/1997 | US5592557 Radio receiver with digital signal processing |
| 01/07/1997 | US5592403 Digital-to-analog converter including integral digital audio filter |
| 01/07/1997 | CA2047164C Adaptive equalizer with channel impulse response estimation |
| 01/02/1997 | EP0751653A2 FIR equalizer for data signals |
| 01/02/1997 | EP0751618A1 A hardware efficient interpolation filter |
| 01/02/1997 | EP0751491A2 Method of reducing noise in speech signal |
| 01/02/1997 | EP0750831A1 Frequency transpositional hearing aid with digital and single sideband modulation |
| 01/01/1997 | CN1139501A Method for determining location of echo in an echo cancellar |
| 01/01/1997 | CN1033733C Control signal spreader |
| 12/31/1996 | US5590206 Noise canceler |
| 12/31/1996 | US5590204 Device for reproducing 2-channel sound field and method therefor |
| 12/31/1996 | US5590154 Equalizer circuit and a method for equalizing a continuous signal |
| 12/31/1996 | US5590121 Method and apparatus for adaptive filtering |
| 12/31/1996 | US5590065 Digital decimation filter for delta sigma analog-to-digital conversion with reduced hardware compelexity |
| 12/31/1996 | US5589890 Filter architecture, particularly for video applications |
| 12/31/1996 | CA2104338C Adaptive equalizer method and apparatus |
| 12/27/1996 | EP0750395A1 Adaptive filter and method for implementing echo cancellation |
| 12/25/1996 | CN1138795A Signal processing apparatus and method |
| 12/24/1996 | US5587939 Half-band filter for a cellular group demultiplexer |
| 12/20/1996 | CA2177625A1 Adaptive filter and method for implementing echo cancellation |
| 12/18/1996 | EP0749056A2 Tracking filter |
| 12/18/1996 | EP0691050B1 Circuit for deriving audio signal masking signals |
| 12/18/1996 | EP0627136B1 Method and apparatus for ghost cancelling and/or equalizing |
| 12/18/1996 | CN1138251A Fractionally spaced equalizing circuits and method |
| 12/17/1996 | US5586100 Transversal filter and method for cancelling intersymbol interference |
| 12/17/1996 | US5586068 Adaptive electronic filter |
| 12/17/1996 | US5585861 Luminance and chrominance signals separating filter adaptive to movement of image |
| 12/17/1996 | US5585794 Electronic device for the automatic conversion of sampled frequencies |
| 12/17/1996 | CA2052252C Technique for adjusting signal dispersion cancellation apparatus in communications systems |
| 12/11/1996 | EP0748124A2 Signal processing apparatus and method |
| 12/11/1996 | EP0746290A1 Improved method and system for on-line system identification |
| 12/11/1996 | CN2242545Y Nonlinear binary-state signal noise reducing device |
| 12/10/1996 | US5584060 Circuit arrangement for derivation of a signal dependent on the change direction of the incoming signal level |
| 12/10/1996 | US5583887 Transmission signal processing apparatus |
| 12/10/1996 | US5583501 Digital-to-analog converter with digital linearity correction |
| 12/10/1996 | CA2080292C Noise cancellation arrangement |
| 12/10/1996 | CA2079531C Phase divider for complex signals |
| 12/08/1996 | CA2170469A1 Signal processing apparatus and method |
| 12/04/1996 | EP0746134A2 Acoustic echo canceler |
| 12/03/1996 | US5581619 Vehicle internal noise reduction system and method |
| 12/03/1996 | US5581581 Viterbi equalizer |
| 11/28/1996 | WO1996037963A1 Data acquistion system |
| 11/28/1996 | WO1996037953A1 Multi-rate iir decimation and interpolation filters |
| 11/27/1996 | EP0574400B1 A method to reduce the power consumation of a digital filter bank by reducing the number of multiplications |
| 11/26/1996 | US5579340 Waveform equalizer |
| 11/26/1996 | CA2108086C Method and apparatus for digitally processing and filtering signals in industrial control applications |
| 11/26/1996 | CA2051583C Interpolator increasing the output word rate of a digital signal |
| 11/20/1996 | EP0742971A1 Adaptative feedforward and feedback control system |
| 11/20/1996 | EP0742941A1 Tracking filter for periodic signals |
| 11/19/1996 | US5577097 Determining echo return loss in echo cancelling arrangements |
| 11/19/1996 | US5576983 Arithmetic circuit for adaptive equalizer of LMS algorithm of reduced amount of operation |
| 11/19/1996 | US5576976 Amplitude detection and automatic gain control of a sparsely sampled sinusoid by adjustment of a notch filter |
| 11/19/1996 | US5576652 Digital phase shifter |
| 11/12/1996 | US5574671 True/complementer for a half-band filter |
| 11/12/1996 | US5574456 Signal processing method and apparatus therefor |
| 11/12/1996 | US5574454 Digital phase-locked loop utilizing a high order sigma-delta modulator |
| 11/06/1996 | EP0741477A1 Digital phase filter |
| 11/06/1996 | EP0741472A2 Method and circuit arrangement for processing variable symbol rates |
| 11/06/1996 | CN1134896A Method for avoiding collision of vehicle and apparatus for performing the same |
| 11/05/1996 | US5572545 Process for starting up a modem containing a variable-phase echo canceller and modem in which such a process is implemented |
| 11/05/1996 | US5572210 Digital signal processing apparatus |
| 11/05/1996 | CA2069582C Procedure for filtering a speed feedback signal |
| 10/31/1996 | WO1996033656A1 Energy weighted parameter spatial/temporal filter |
| 10/30/1996 | EP0740414A1 Programmable delay device for analog signals and corresponding programmable acoustic antenna |
| 10/30/1996 | EP0739563A1 Higher order digital phase loop filter |
| 10/29/1996 | US5570453 Method for generating a spectral noise weighting filter for use in a speech coder |
| 10/29/1996 | US5570392 Phase generator |