| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 11/18/1997 | US5689449 Decimation filter |
| 11/13/1997 | WO1997042742A2 Transmission of a digital information signal having a specific first sampling frequency |
| 11/12/1997 | CN1164804A Method and circuit arrangement for separating luminance and chrominance signals of CVBS signal |
| 11/12/1997 | CN1164793A Area effect correlation method and sampling rate conversion method and apparatus for digital video signal adopting the same |
| 11/12/1997 | CN1164728A Compressed audio signal processing |
| 11/11/1997 | US5687240 Method and apparatus for processing discontinuities in digital sound signals caused by pitch control |
| 11/11/1997 | US5687162 DS/CDMA receiver having an interference cancelling function capable of asssuring a desired reception quality in a narrow-band DS/CDMA |
| 11/11/1997 | US5687101 Digital filter circuit and signal processing method for the same |
| 11/05/1997 | EP0805448A2 Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording |
| 11/05/1997 | EP0805447A2 Adaptive equalization and interpolated timing recovery in a sampled amplitude read channel for magnetic recording |
| 11/05/1997 | CN1164086A Digital signal recording apparatus and digital signal processing apparatus |
| 10/30/1997 | WO1997033369A3 Reduced complexity signal converter |
| 10/29/1997 | EP0612447B1 Adaptive filter |
| 10/29/1997 | CN1163526A Equipment, method and system for radio communication |
| 10/28/1997 | US5682125 Adaptive analog transversal equalizer |
| 10/23/1997 | WO1997039526A1 Filter switching method |
| 10/22/1997 | EP0802657A2 Receiver for mobile communications systems with equalisation and differential detection |
| 10/22/1997 | EP0742971A4 Adaptative feedforward and feedback control system |
| 10/22/1997 | EP0707763A4 Reduction of background noise for speech enhancement |
| 10/21/1997 | US5680335 Rate converter using a register postfix type transversal filter |
| 10/21/1997 | US5680179 Methods and apparatus for filtering images using fuzzy logic |
| 10/16/1997 | WO1997032402A3 Method and arrangement for coding and decoding signals |
| 10/16/1997 | DE19643167A1 Digital filter bank |
| 10/15/1997 | EP0801484A2 Improvements in or relating to signal processing |
| 10/14/1997 | US5677951 Adaptive filter and method for implementing echo cancellation |
| 10/14/1997 | US5677932 Baseband estimator for estimating the amplitude/frequency characteristic of a multiphase signal |
| 10/08/1997 | EP0800288A2 A transmission system for digital audio broadcasting |
| 10/08/1997 | EP0800271A2 Matched filter |
| 10/08/1997 | EP0799526A1 Improved data processing method and apparatus |
| 10/07/1997 | US5675659 Methods and apparatus for blind separation of delayed and filtered sources |
| 10/07/1997 | US5675523 Waveform data generating apparatus |
| 10/02/1997 | DE19613735A1 Generation of signal proportional to active power in AC circuit |
| 10/02/1997 | DE19613732A1 Generation of signal proportional to reactive power in AC circuit |
| 10/01/1997 | EP0798875A2 Line equalizer control method |
| 10/01/1997 | EP0798869A2 Compressed audio signal processing |
| 10/01/1997 | EP0798865A2 Digital data converter |
| 09/30/1997 | US5673324 Radio receiver circuit for deriving at least one reception quality signal |
| 09/30/1997 | US5673288 System and method for adaptive maximum likelihood sequence estimation |
| 09/30/1997 | US5673051 Discrete phase modulator |
| 09/30/1997 | US5673044 Cascaded recursive transversal filter for sigma-delta modulators |
| 09/25/1997 | WO1997035386A1 Analysis/synthesis filtering system with efficient oddly-stacked single-sideband filter bank using time-domain aliasing cancellation |
| 09/24/1997 | EP0797315A2 Code division multiple access apparatus |
| 09/24/1997 | EP0797184A2 Vibration/noise control system |
| 09/24/1997 | CN1160307A 匹配滤波器电路 Matched filter circuit |
| 09/23/1997 | CA2118879C Low-delay stubband adaptive filter |
| 09/17/1997 | EP0795986A2 Multitone detector using an adaptive IIR filter |
| 09/17/1997 | EP0795982A2 Structure of a quadrature modulated signal |
| 09/17/1997 | EP0795959A1 Asymmetric filter combination for a digital transmission system |
| 09/17/1997 | EP0795860A2 Apparatus for reproducing audio signals |
| 09/17/1997 | EP0795819A1 Method and apparatus for the processing of digital signals in one-hot RNS |
| 09/17/1997 | CN1159692A Transmission device with echo eliminating function |
| 09/17/1997 | CN1159691A Method for linear predictive analyzing audio signals |
| 09/16/1997 | US5668895 Digital filter for image processing |
| 09/16/1997 | US5668865 Echo canceler E-side speech detector |
| 09/16/1997 | US5668831 For the reception of data packets |
| 09/16/1997 | US5668746 Reproduced waveform equalization circuit |
| 09/12/1997 | WO1997033369A2 Reduced complexity signal converter |
| 09/10/1997 | EP0794677A2 Method and circuit arrangement for separating luminance and chrominance signals from a composite colour signal |
| 09/10/1997 | EP0794621A2 Sigma-delta digital-to-analog conversion system and process through reconstruction and resampling |
| 09/10/1997 | EP0794617A2 Method for adaptive filtering of well logging data |
| 09/10/1997 | EP0793875A1 Transmission system using time dependent filter banks |
| 09/10/1997 | EP0643887A4 A multi-channel digital transmitter and receiver. |
| 09/10/1997 | CN1159101A Sampling rate converting method and apparatus |
| 09/09/1997 | US5666299 Asynchronous digital sample rate converter |
| 09/08/1997 | CA2199442A1 Method for adaptive filtering of well logging data |
| 09/04/1997 | WO1997032402A2 Method and arrangement for coding and decoding signals |
| 09/04/1997 | WO1997032397A1 Digital filter |
| 09/03/1997 | EP0793341A2 Adaptive filter with disabling circuit for fast tap weight convergence |
| 09/03/1997 | EP0793218A2 Speech synthesis method and apparatus |
| 09/03/1997 | EP0648357B1 High-speed processing apparatus and method, signal analyzing system, and measurement apparatus and method |
| 09/03/1997 | CN1158515A Digital filter device having bit shifter unit |
| 09/02/1997 | US5664011 Echo canceller with adaptive and non-adaptive filters |
| 09/02/1997 | US5663983 Differentially matched filter for a spread spectrum system |
| 09/02/1997 | US5663955 Echo canceller system with shared coefficient memory |
| 09/02/1997 | US5663773 Demodulator for a complex-value vestigial sideband signal |
| 09/02/1997 | US5663727 Frequency response analyzer and shaping apparatus and digital hearing enhancement apparatus and method utilizing the same |
| 08/27/1997 | EP0792050A2 Distribution of reference symbols in a frame |
| 08/27/1997 | EP0792029A2 Echo canceller E-side speech detector |
| 08/27/1997 | EP0791242A1 Improved digital filter |
| 08/27/1997 | CN1158027A Tracking filter |
| 08/26/1997 | US5661810 Circuit arrangement for deriving signals for masking audio signals |
| 08/26/1997 | US5661809 Radio receiver having digital signal processing |
| 08/26/1997 | US5661487 Digital center line filter |
| 08/26/1997 | US5661478 Conversion between analogue and digital signals |
| 08/21/1997 | DE19613736C1 Generation of signal proportional to RMS value of periodic signal |
| 08/20/1997 | EP0790736A1 Edge-oriented intra-field/inter-field interpolation filter for improved quality video appliances |
| 08/20/1997 | CN1157506A Poly-phase filter, apparatus for compensating for timing error using the same and method therefor |
| 08/19/1997 | US5659776 Method and apparatus for inputting data to a single instruction, multiple data processor used in a television receiving system |
| 08/19/1997 | US5659585 Digital integrator and digital filter of the first order |
| 08/19/1997 | US5659583 Tone canceller for QAM demodulator |
| 08/19/1997 | US5659576 Balanced processing based on receiver selection |
| 08/13/1997 | EP0789496A2 Comb filter |
| 08/13/1997 | EP0789476A2 Noise reduction arrangement |
| 08/13/1997 | EP0789454A2 Non-uniform filters |
| 08/13/1997 | EP0587733B1 Low computational-complexity digital filter bank |
| 08/07/1997 | WO1997028610A1 Fft-based channelizer and combiner employing residue-adder-implemented phase advance |
| 08/07/1997 | WO1997028453A1 Method of detecting an abrupt variation in an electrical alternating quantity |
| 08/07/1997 | DE19605023A1 Verfahren zum Erfassen einer sprunghaften Änderung einer elektrischen Wechselgröße A method for detecting an abrupt change in an electrical change size |
| 08/06/1997 | EP0788225A1 Frequency offset estimating circuit and AFC circuit using the same |
| 08/06/1997 | EP0787997A2 Adaptive digital filter for improved measurement accuracy in an electronic instrument |