| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 04/15/2004 | US20040073125 Method and apparatus for a morphology-preserving smoothing filter |
| 04/15/2004 | US20040071206 Digital filter adaptively learning filter coefficient |
| 04/14/2004 | EP1407548A1 Finite impulse response filter and digital signal receiving apparatus |
| 04/14/2004 | CN2612156Y Frequency domain digital filter with time window |
| 04/14/2004 | CN1489701A High speed filter |
| 04/14/2004 | CN1489036A Flexible suction device |
| 04/14/2004 | CN1146199C Method and apparatus for filters of discrete-time sampled system |
| 04/13/2004 | US6721426 Speaker device |
| 04/13/2004 | US6721375 Method and device for compensating phase delays |
| 04/13/2004 | US6721371 One sample per symbol high rate programmable parallel architecture for digital demodulation |
| 04/13/2004 | US6721301 Centroid tracking for spread-spectrum communications |
| 04/13/2004 | US6720897 State-delayed technique and system to remove tones of dynamic element matching |
| 04/08/2004 | WO2004029825A1 Reconstruction of original signals from relative measurements |
| 04/07/2004 | EP1405412A1 Fractional decimation filter using oversampled data |
| 04/07/2004 | EP1405312A2 Waveform equalizer for obtaining a corrected signal and apparatus for reproducing information |
| 04/07/2004 | EP1316147B1 Method and device for converting a scanning frequency in multistandard systems |
| 04/07/2004 | EP1125363A4 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter |
| 04/07/2004 | CN1488192A Digital filter with state storage |
| 04/06/2004 | US6718355 Systems and methods for a partial sum digital fir filter |
| 04/06/2004 | US6718354 Signal interpolation and decimation exploiting filter symmetry |
| 04/06/2004 | US6718300 Method and apparatus for reducing aliasing in cascaded filter banks |
| 04/01/2004 | WO2004027998A2 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 04/01/2004 | WO2004027980A1 Integrated modulator and demodulator configuration |
| 04/01/2004 | US20040064310 Sub-band adaptive differential pulse code modulation/encoding apparatus, sub-band adaptive differential pulse code modulation/encoding method, wireless transmission system, sub-band adaptive differential pulse code modulation/decoding apparatus, sub-band adaptive differential pulse code modulation/decoding method, and wirel |
| 04/01/2004 | DE10337976A1 Measurement signal reconstruction method in which an original signal is reconstructed from relative measurements by use of a compensation filter that is uniquely matched to a particular measurement system |
| 04/01/2004 | CA2688916A1 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 03/31/2004 | EP1404017A1 Parametric recursive digital filter |
| 03/31/2004 | EP1402675A2 Filter for multicarrier signals |
| 03/31/2004 | CN1486544A Radio equipment, its signal receiving method, its filter coefficient measuring method and filter coefficient measurement program thereof |
| 03/31/2004 | CN1485983A Non-linear digital filtering method for handling binary noise |
| 03/31/2004 | CN1144383C Radio receiving system |
| 03/25/2004 | WO2002047262A3 Filter devices and methods |
| 03/25/2004 | US20040059764 Decimation filter and interpolation filter |
| 03/25/2004 | US20040059760 Waveform detector and state monitoring system using it |
| 03/25/2004 | US20040056785 Integrated modulator and demodulator configuration |
| 03/25/2004 | DE10240135A1 Digital filtering method for time-discrete input signal produced by interpolation, e.g. in DSL system, by compressing values of input signal prior to storage |
| 03/24/2004 | EP1401183A1 Method and device for echo cancellation |
| 03/24/2004 | EP1401100A1 Filter apparatus, reception apparatus, transmission apparatus, diffusion modulation apparatus, pseudo-random number sequence output apparatus, filter method, reception method, transmission method, diffusion modulation method, pseudo-random number sequence output method, and program |
| 03/24/2004 | EP1400904A2 Apparatus and method for synthesizing and designing circuits and filters |
| 03/24/2004 | EP1400016A2 Reconfigurable digital filter having multiple filtering modes |
| 03/24/2004 | CN1484890A 信号处理 Signal Processing |
| 03/23/2004 | US6711599 Limit-cycle-absent allpass filter lattice structure |
| 03/23/2004 | US6711598 Method and system for design and implementation of fixed-point filters for control and signal processing |
| 03/23/2004 | US6711228 Multi-rate clock generator and multi-rate digital data reproducing device |
| 03/18/2004 | WO2004023781A2 Partial band reconstruction of frequency channelized filters |
| 03/18/2004 | WO2004023075A1 Methods and apparatus for generating a sinusoidal motor drive signal for a mems gyroscope |
| 03/18/2004 | US20040054704 Digital pulse shaper with variable weighting function |
| 03/18/2004 | US20040052300 Digital sampling rate conversion using a poly-phase filter and a polynomial interpolator |
| 03/18/2004 | DE10252090A1 Device and process for the parallel reception of radio signals of differing standards has receiver which can also act as a digital filter |
| 03/18/2004 | CA2497886A1 Methods and apparatus for generating a sinusoidal motor drive signal for a mems gyroscope |
| 03/17/2004 | CN1483267A Quadrature modulator with pulse-shaping |
| 03/17/2004 | CN1482812A Method and apparatus for compression using reversible wavelet transforms and an embedded codestream |
| 03/17/2004 | CN1482811A Method and apparatus for compression using reversible wavelet transforms and an embedded codestream |
| 03/17/2004 | CN1142646C High-speed efficient WCDMA base-band filter |
| 03/16/2004 | US6707805 Method for initial power control for spread-spectrum communications |
| 03/16/2004 | US6707255 Multirate processing for metrology of plasma RF source |
| 03/11/2004 | US20040046520 Methods and apparatus for generating a sinusoidal motor drive signal for a MEMS gyroscope |
| 03/11/2004 | DE10240132A1 Signal interpolation method for interpolating input values for an input signal generates output values for an output signal with different scanning sequence frequencies for input and output signals |
| 03/10/2004 | EP1396938A1 Sub-band adaptive differential pulse code modulation/encoding apparatus, sub-band adaptive differential pulse code modulation/encoding method, wireless transmission system, sub-band adaptive differential pulse code modulation/decoding apparatus, sub-band adaptive differential pulse code modulation/d |
| 03/10/2004 | EP1396936A1 Data interpolating device and method, sampling function generating device, data interpolating program, and recorded medium |
| 03/10/2004 | EP1396081A2 Two-dimensional pyramid filter architecture |
| 03/10/2004 | CN1141825C Digital receiver for signal generated with discrete multi-tone modulation |
| 03/10/2004 | CN1141812C Configurable W-CDMA time slot synchronization matched filter device |
| 03/09/2004 | US6703908 I/O impedance controller |
| 03/04/2004 | US20040044970 Apparatus and method for synthesizing and designing circuits and filters |
| 03/04/2004 | US20040044711 Limit-cycle oscillation suppression method, system, and computer program product |
| 03/04/2004 | US20040043748 Receiver and a signal processing circuit therefor |
| 03/04/2004 | US20040043173 Process for producing coated polymeric articles and the articles produced thereby |
| 03/04/2004 | US20040042557 Partial band reconstruction of frequency channelized filters |
| 03/04/2004 | US20040041644 Quadrature modulator with pulse-shaping |
| 03/03/2004 | EP1394951A1 Compressing device and method, decompressing device and method, compressing/decompressing system, program, record medium |
| 03/03/2004 | EP1394942A2 Limit-cycle oscillation suppression method, system, and computer program product |
| 03/03/2004 | EP0954850B1 Audio processing arrangement with multiple sources |
| 03/02/2004 | US6701335 Digital frequency response compensator and arbitrary response generator system |
| 03/02/2004 | US6700979 Echo canceller |
| 03/02/2004 | US6700977 Method and apparatus for cancelling multi-channel echo |
| 03/02/2004 | US6700521 Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record medium |
| 02/26/2004 | US20040039764 Efficient implementation of a filter |
| 02/26/2004 | US20040039574 Designing boundary filters for a biorthogonal filter bank |
| 02/26/2004 | US20040037166 Method and apparatus for forming a reception beam |
| 02/25/2004 | EP1391739A1 Waveform detector and state monitoring system using it |
| 02/25/2004 | EP0882326B1 Decimation method and decimation filter |
| 02/25/2004 | CN1140080C Time-share controlled digital matched filter |
| 02/25/2004 | CN1140064C Matched filter and timing detection method |
| 02/25/2004 | CN1140063C Digital forming filtering method for reducing calculating amount |
| 02/24/2004 | US6697492 Digital signal processing acoustic speaker system |
| 02/24/2004 | US6697438 Circuit configuration for a multistandard communications terminal |
| 02/24/2004 | US6697350 Adaptive vector correlator for spread-spectrum communications |
| 02/19/2004 | US20040034641 Method and system for decimating an indexed set of data elements |
| 02/18/2004 | EP1389831A2 Method and system for decimating an indexed set of data elements |
| 02/18/2004 | EP0940009B1 Comb filter |
| 02/18/2004 | CN1139185C Finite impulse response filter and its filtering method |
| 02/17/2004 | US6693975 Low-order HDSL2 transmit filter |
| 02/17/2004 | US6693455 Programmable logic device including multipliers and configurations thereof to reduce resource utilization |
| 02/17/2004 | CA2298999C Digital channelizer having efficient architecture for cyclic shifting and method of operation thereof |
| 02/17/2004 | CA2277756C Flexible and programmable delta-sigma analog signal converter |
| 02/17/2004 | CA2187478C Co-channel interference reduction |
| 02/12/2004 | WO2004013964A2 Sample rate converter with non-uniform resampling |
| 02/12/2004 | WO2004013963A2 Data processing circuit |
| 02/12/2004 | WO2002067422A9 N dimensional, non-linear, static, adaptive, digital filter design using d scale non-uniform sampling |