| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 02/12/2004 | US20040030735 Clock balanced segmentation digital filter provided with optimun area of data path |
| 02/11/2004 | CN1138388C Equipment, method and system for radio communication |
| 02/05/2004 | US20040021595 Method and system for implementing a sigma delta analog-to-digital converter |
| 02/04/2004 | EP1387500A1 Integrated circuit for GPS code acquisition |
| 02/04/2004 | EP1387499A1 Integrated circuit for code acquisition |
| 02/04/2004 | EP1386311A1 Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices |
| 02/04/2004 | EP1138117B1 Real-time technique for reducing the settling time of a high pass filter |
| 02/04/2004 | EP1105435B1 Process for applying polysilicate barrier coatings upon polyolefin objects and the articles produced thereby |
| 02/04/2004 | CN1473393A 快速中值滤波器 Fast median filter |
| 02/04/2004 | CN1472905A CDMA receiver system with digital AGC |
| 02/04/2004 | CN1472904A CDMA receiver system with digital AGC |
| 02/04/2004 | CN1472903A CDMA receiver system (II) with digital AGC |
| 02/03/2004 | US6687722 High-speed/low power finite impulse response filter |
| 02/03/2004 | CA2298918C Digital channelizer having efficient architecture for window presum using distributed arithmetic for providing window presum calculations in one clock cycle |
| 01/29/2004 | DE19613732B4 Verfahren zum Erzeugen eines einer elektrischen Blindleistung proportionalen Meßsignals A method of generating a reactive power of an electrical measurement signal proportional |
| 01/28/2004 | CN1471328A Error feedback type high-order modulator realised by using CSD method |
| 01/28/2004 | CN1136573C Reproducing device and method for improving performance of data using regulating filter coefficient of equalizer |
| 01/27/2004 | US6684233 Adaptive filter, control method of adaptive filter and storage medium storing therein program thereof |
| 01/27/2004 | US6683959 Stereophonic device and stereophonic method |
| 01/27/2004 | US6683927 Digital data reproducing apparatus and method, digital data transmitting apparatus and method, and storage media therefor |
| 01/22/2004 | WO2004008637A1 Digital filter designing method, digital filter designing program, digital filter |
| 01/22/2004 | WO2004008502A2 Multirate processing for metrology of plasma rf source |
| 01/22/2004 | WO2002080098A3 Pyramid filter |
| 01/22/2004 | WO2002060114A3 Filter for multicarrier signals |
| 01/21/2004 | CN1135707C Method and apparatus for compression using reversible sub-wave conversion and embedded code stream |
| 01/20/2004 | US6681209 Method and an apparatus for sampling-rate conversion of audio signals |
| 01/20/2004 | US6681200 Method for measuring system clock signal frequency variations in digital processing systems |
| 01/20/2004 | US6680683 Waveform shaping circuit |
| 01/15/2004 | WO2004006434A1 Frequency content separation using complex frequency shifting converters |
| 01/15/2004 | US20040007984 Multirate processing for metrology of plasma rf source |
| 01/15/2004 | DE19901789B4 Verfahren zur Erdschlußrichtungsbestimmung in Energieversorgungsnetzen Method for determining earth fault in power supply networks |
| 01/15/2004 | DE10230458A1 Verfahren zur Berechnung von Resonanzfilterkoeffizienten für digitale Resonanzfilter und digitales Resonnanzfilter hierzu A method for calculating resonant filter coefficients for digital filter response and digital Resonnanzfilter thereto |
| 01/14/2004 | EP1380114A2 Hybrid multi-stage circuit utilizing different types of sampling circuit |
| 01/14/2004 | EP1380107A2 Two-dimensional pyramid filter architecture |
| 01/14/2004 | EP1379844A1 Apparatus and method for the analysis of signal frequencies |
| 01/14/2004 | EP1119910B1 Area efficient realization of coefficient architecture for bit-serial fir, iir filters and combinational/sequential logic structure with zero latency clock output |
| 01/14/2004 | EP1119909B1 Area efficient realization of coefficient architecture for bit-serial fir, iir filters and combinational/sequential logic structure with zero latency clock output |
| 01/14/2004 | CN1135003C Equipment and method for filtering speech signal, receiver and telephone communication system |
| 01/14/2004 | CN1134950C Method for eliminating interference in bipolar data stream and circuitry for implementing said method |
| 01/14/2004 | CN1134902C Circuit for multi-standard communications terminal |
| 01/14/2004 | CN1134890C Digital filter and apparatus for reproducing sound using digital filter |
| 01/14/2004 | CN1134765C A pitch post filter |
| 01/13/2004 | US6678709 Digital filter with efficient quantization circuitry |
| 01/13/2004 | US6678320 Efficient finite impulse response filter implementation for CDMA waveform generation |
| 01/08/2004 | WO2004004264A1 Detector, test device, test method, and program |
| 01/08/2004 | WO2003071683A3 Ordering by hamming value |
| 01/08/2004 | US20040005001 Gain adaptive equalizer |
| 01/07/2004 | EP1378994A2 Method for calculating filter coefficients of a digital resonant filter and digital resonant filter |
| 01/07/2004 | EP1105967B1 Multiplierless digital filtering |
| 01/06/2004 | US6675183 Digital filtering circuit |
| 01/02/2004 | EP1374400A1 Two-dimensional pyramid filter architecture |
| 01/02/2004 | EP1374399A1 Aliasing reduction using complex-exponential modulated filterbanks |
| 01/02/2004 | EP1374086A1 Signal adaptive filter bank optimization |
| 01/02/2004 | EP1373908A1 Method and device for analysing a digital audio signal |
| 01/02/2004 | EP1195007B1 Matched filter using time-multiplexed precombinations |
| 01/01/2004 | US20040003408 Sample rate reduction in data communication receivers |
| 12/31/2003 | WO2004001965A1 Programmable four-tap texture filter |
| 12/31/2003 | CN1465138A Compressing device and method, decompressing device and method, compressing, decompressing system, program, record medium |
| 12/31/2003 | CN1465045A Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices |
| 12/30/2003 | US6671666 Recognition system |
| 12/25/2003 | US20030235245 Method and system for computing pre-equalizer coefficients |
| 12/24/2003 | WO2003107533A2 Digital filtering method |
| 12/24/2003 | WO2003107528A2 Circuit arrangement for generating an iq signal |
| 12/24/2003 | WO2003107035A2 Method for the suppression of disturbances in systems for detecting objects |
| 12/24/2003 | CN1463496A Sub-band adaptive differential pulse code modulation/encoding appts. its method, wireless transmission system and wirel |
| 12/24/2003 | CN1463490A Reconfigurable digital filter having multiple filtering modes |
| 12/23/2003 | US6668029 Methods and apparatus for implementing digital resampling circuits |
| 12/23/2003 | US6668013 Digital filter |
| 12/18/2003 | US20030231705 Digital correlators |
| 12/17/2003 | EP1372264A2 Low power decimation system and method of deriving same |
| 12/17/2003 | EP1125286B1 Perceptual weighting device and method for efficient coding of wideband signals |
| 12/16/2003 | US6665694 Sampling rate conversion |
| 12/16/2003 | US6665346 Loop-filtering method for image data and apparatus therefor |
| 12/16/2003 | CA2299100C Efficient digital channelizer system and method of operation thereof |
| 12/16/2003 | CA2120717C Digital sample rate conversion |
| 12/11/2003 | WO2003062964A3 An adaptive threshold algorithm for real-time wavelet de-noising applications |
| 12/11/2003 | US20030227842 Apparatus and method of updating filter tap coefficients of an equalizer |
| 12/10/2003 | EP1368897A1 Apparatus and method for adjusting filter frequency in relation to sampling frequency |
| 12/09/2003 | US6662200 Multiplierless pyramid filter |
| 12/09/2003 | US6661900 Digital graphic equalizer control system and method |
| 12/04/2003 | WO2003101031A1 Subband channelizer and subband combiner with oversampled subbands using filter banks |
| 12/04/2003 | WO2003100782A1 Signal processing apparatus and method, and digital data reproducing apparatus |
| 12/04/2003 | WO2002080363A9 Two-dimensional pyramid filter architecture |
| 12/04/2003 | US20030223504 Memory-based digital adaptive filter |
| 12/04/2003 | US20030223503 Efficient subband channelizer and subband combiner with oversampled subbands |
| 12/04/2003 | US20030223488 Fast phase synchronization and retrieval of sequence components in three-phase networks |
| 12/03/2003 | EP1367721A1 Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record medium |
| 12/03/2003 | CN1459787A Apparatus and method for updating filter tap coefficient of balancer |
| 12/03/2003 | CN1130018C Digital signal processor |
| 12/02/2003 | US6658440 Multi channel filtering device and method |
| 12/02/2003 | US6658072 Digital communication system transmitting and receiving devices therefor and frame synchronization detection circuit |
| 12/02/2003 | US6658054 Waveform equalizer and data reproducing apparatus using the same |
| 12/02/2003 | US6657512 Method to find a value within a range using weighted subranges |
| 12/02/2003 | US6657482 Digital filter |
| 12/02/2003 | CA2277235C Digital signal transformation device and method |
| 11/27/2003 | US20030219073 Loop-filtering method for image data and apparatus therefor |
| 11/26/2003 | EP1365516A1 Compression method and device, decompression method and device, compression/decompression system, recording medium |
| 11/26/2003 | EP1365402A2 Apparatus and method of updating filter tap coefficients of equalizer |
| 11/26/2003 | CN1459108A Optical disc reproducing apparatus |
| 11/26/2003 | CN1129346C Method and device for producing multi-way sound channel signal from single sound signal |