| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 08/06/1997 | EP0787995A2 Waveform analyzer |
| 08/06/1997 | EP0787385A1 Hybrid filter bank analog/digital converter |
| 08/05/1997 | US5654909 90-degree digital phase shift network and linearizer using all-pass digital filters |
| 08/05/1997 | US5654907 Method for fast Kalman filtering in large dynamic system |
| 07/31/1997 | DE19602412A1 Filter circuit module with cascade of filters |
| 07/30/1997 | CN1155783A Digital filter and apparatus for reproducing sound using digital filter |
| 07/29/1997 | US5652903 DSP co-processor for use on an integrated circuit that performs multiple communication tasks |
| 07/29/1997 | US5652770 Sampled-data filter with low delay |
| 07/29/1997 | US5652585 Multiple function analog-to-digital converter with multiple serial outputs |
| 07/29/1997 | US5652534 Precision digital phase shifter |
| 07/24/1997 | DE19634098C1 Filter for digital television signals |
| 07/24/1997 | DE19627305C1 Non=recursive digital filter using partial filter structures |
| 07/23/1997 | EP0784816A1 A fast and efficient median search method and filter |
| 07/22/1997 | US5650950 Apparatus and method for accurately establishing a cut-off frequency in an electronic filter |
| 07/22/1997 | US5650738 Precision digital phase shift element |
| 07/16/1997 | EP0784385A1 Multi-user demodulator for cdma spectrum spreading communication |
| 07/16/1997 | EP0783797A1 A wireless digital communication device, and a pulse shaping network |
| 07/15/1997 | US5649065 Optimal filtering by neural networks with range extenders and/or reducers |
| 07/15/1997 | US5649052 Adaptive digital audio encoding system |
| 07/15/1997 | US5648989 For use in a communications device |
| 07/15/1997 | US5648988 Communication system including a digital roll-off filter |
| 07/15/1997 | US5648987 Rapid-update adaptive channel-equalization filtering for digital radio receivers, such as HDTV receivers |
| 07/15/1997 | US5648923 Nyquist filter for use in a joint VSB/QAM demodulator |
| 07/15/1997 | US5648922 Digital filter |
| 07/15/1997 | US5648921 Digital operational circuit with pathmetrics calculating steps simplified |
| 07/15/1997 | US5648777 Data converter with FIFO |
| 07/10/1997 | WO1997024805A1 Resolution enhancement of fixed point digital filters |
| 07/09/1997 | EP0783231A2 Image noise reduction system |
| 07/09/1997 | CN1154173A A pitch post-filter |
| 07/09/1997 | CN1154043A Reversible wavelet transform and embedded codestream manipulation |
| 07/09/1997 | CN1154016A Method and apparatus for blind separation of delayed and filtered sources |
| 07/09/1997 | CN1153946A Signal processing device |
| 07/09/1997 | CN1035410C Procedure for filtering speed feedback signal |
| 07/08/1997 | US5646990 Efficient speakerphone anti-howling system |
| 07/08/1997 | US5646961 Method for noise weighting filtering |
| 07/08/1997 | US5646958 Decision feedback equalizer for canceling short-and long-multipath components using correspondingly delayed decision symbols |
| 07/08/1997 | US5646957 Burst update for an adaptive equalizer |
| 07/08/1997 | US5646950 Matched spectral null codes for partial response channels |
| 07/08/1997 | US5646612 Method for avoiding collision of vehicle and apparatus for performing the same |
| 07/08/1997 | US5646568 Delay circuit |
| 07/03/1997 | WO1997023970A1 Interpolation system for fixed sample rate signal processing |
| 07/02/1997 | EP0782262A2 Update block for an adaptive equalizer filter configuration capable of processing complex-valued coefficient signals |
| 07/02/1997 | EP0782261A2 Update block for an adaptive equalizer filter configuration |
| 07/02/1997 | EP0782260A2 Equalizer filter configuration for processing real-valued and complex-valued signal samples |
| 07/02/1997 | EP0782259A2 Digital center line filter |
| 07/02/1997 | EP0782258A2 Matched filter |
| 07/02/1997 | EP0782128A1 Method of analysing by linear prediction an audio frequency signal, and its application to a method of coding and decoding an audio frequency signal |
| 07/02/1997 | CN1153427A Matched filter |
| 07/01/1997 | US5644595 Method and apparatus for an adaptive three tap transversal equalizer for partial-response signaling |
| 07/01/1997 | US5644307 Modulation method, recording method, reproducing method, recording and reproducing apparatus, recording and reproducing method, and reproducing apparatus |
| 06/26/1997 | WO1997022942A1 Deconvolution method for the analysis of data resulting from analytical separation processes |
| 06/26/1997 | DE19627784C1 Non-recursive half-band filter switch with complex coefficients |
| 06/25/1997 | EP0780977A1 Precision digital phase shift element |
| 06/25/1997 | EP0780976A1 Digital frequency divider phase shifter |
| 06/25/1997 | EP0780975A1 Precision digital phase shifter |
| 06/25/1997 | EP0780974A1 Discrete phase modulator |
| 06/25/1997 | CN1152981A Wideband FFT channelizer |
| 06/25/1997 | CN1152828A Echo canceler gain tracker for cellular modems |
| 06/25/1997 | CN1152821A Filter circuit for communication |
| 06/25/1997 | CN1152820A Matched filter circuit used for frequency-expansion communication |
| 06/24/1997 | US5642382 Fir filters with multiplexed inputs suitable for use in reconfigurable adaptive equalizers |
| 06/24/1997 | US5642381 Signal equalizer |
| 06/19/1997 | WO1997022061A1 Method and apparatus for gain correction of a sigma-delta converter |
| 06/18/1997 | EP0779709A2 Method and apparatus for blind separation of delayed and filtered sources |
| 06/17/1997 | US5640418 Equalizer, reception system having an equalizer, data conversion method and apparatus thereof |
| 06/11/1997 | EP0778676A2 Multi-rate digital filter apparatus and method for sigma-delta conversion processes |
| 06/11/1997 | EP0778668A1 Decimator for digital data sequences |
| 06/11/1997 | EP0691049B1 Method for deriving a quality signal dependent on the quality of a received multiplex signal |
| 06/11/1997 | CN1151672A Echo Canceling method and apparatus for data over cellular |
| 06/11/1997 | CN1151670A Echo canceling method and apparatus for data over cellular |
| 06/10/1997 | US5638070 Signal processing method and apparatus for transforming N-bit codes to M-bit codes wherein M is greater than N |
| 06/05/1997 | WO1997020397A1 Method and non-linear filter for reducing co-channel interference |
| 06/04/1997 | EP0777326A2 Method and apparatus for filtering an audio signal |
| 06/03/1997 | US5636153 Digital signal processing circuit |
| 06/03/1997 | US5636151 Adaptive filter capable of removing a residual echo at a rapid speed |
| 06/03/1997 | US5636150 Data driven type digital filter unit and data driven type information processor including the same |
| 06/03/1997 | US5635864 Comparator circuit |
| 05/29/1997 | WO1997019541A1 Filtering in a receiver that uses log-polar signal processing |
| 05/29/1997 | CA2238192A1 Filtering in a receiver that uses log-polar signal processing |
| 05/28/1997 | EP0776118A2 Echo canceller |
| 05/28/1997 | EP0776098A2 Subband coding/decoding |
| 05/28/1997 | CN1150722A Method for processing signal in CSD filter and circuit suitable for method |
| 05/28/1997 | CN1150721A Tab coefficient updating device of finite impulse-responding adaptive digital filter |
| 05/27/1997 | US5634082 High efficiency audio coding device and method therefore |
| 05/27/1997 | US5633979 Signal processing system involving a least squares method |
| 05/27/1997 | US5633815 Formatter |
| 05/27/1997 | US5633633 For digitizing an analog signal |
| 05/27/1997 | CA2115182C Narrow-band filter having a variable center frequency |
| 05/24/1997 | CA2191118A1 Echo canceller |
| 05/22/1997 | DE19546406C1 Digital IF filter circuit for FM receiver |
| 05/21/1997 | EP0774835A2 Asynchronous digital sample rate converter |
| 05/21/1997 | EP0774181A1 Wideband fft channelizer |
| 05/21/1997 | EP0774176A1 Filter, repetitive control system and learning control system both provided with such filter |
| 05/21/1997 | EP0688476B1 Digital time signal filtering method and device for transmission channel echo correction |
| 05/20/1997 | US5631899 Acoustic echo canceler |
| 05/20/1997 | US5630425 Systems and methods for adaptive filtering artifacts from composite signals |
| 05/15/1997 | WO1997017758A1 Circuit and method for the multiple use of a digital transverse filter |
| 05/14/1997 | EP0773635A2 Matched filter system |
| 05/13/1997 | US5629881 Method for filtering a digital value train with improved noise behavior, and circuit configuration for performing the method |
| 05/07/1997 | EP0772305A2 Matched filter circuit |