Patents for H03H 17 - Networks using digital techniques (9,654) |
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10/04/2001 | EP0642715B1 Radio receiver with digital signal processing |
10/04/2001 | EP0642714B1 Radio receiver with digital signal processing |
10/04/2001 | DE10009767A1 Interpolations-Filterschaltung Interpolation filter circuit |
10/02/2001 | US6298362 Apparatus and method for equalizer filter units responsive to 5-level inputs signals |
10/02/2001 | US6298361 Signal encoding and decoding system |
09/27/2001 | WO2001071931A2 Digital tuner with optimized clock frequency and integrated parallel cic filter and local oscillator |
09/27/2001 | WO2001071874A2 Cvt transient filter |
09/27/2001 | US20010025290 Nonrecursive digital filter and method for calculating the coefficients of the filter |
09/27/2001 | US20010024499 Adaptive filter and echo canceller using the same |
09/27/2001 | US20010024478 Signal receiving circuit and signal receiving method |
09/26/2001 | EP1137231A1 Demodulator for processing digital signal |
09/26/2001 | EP1135855A1 Digital filter with parallel architecture and spread-spectrum signal receiver using same |
09/26/2001 | EP1135853A1 Integrated frequency translation and selectivity with a variety of filter embodiments |
09/26/2001 | EP1025646B1 Methods and devices for encoding audio signals and methods and devices for decoding a bit stream |
09/26/2001 | EP0632947B1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
09/25/2001 | US6295545 Reduction of execution times for convolution operations |
09/25/2001 | US6295508 Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system and method |
09/25/2001 | US6295014 System for processing one-bit audio signals |
09/20/2001 | US20010022812 Adaptive audio equalizer apparatus and method of determining filter coefficient |
09/20/2001 | US20010022811 Frequency analysis |
09/19/2001 | EP1134892A1 Digital filter structure |
09/19/2001 | CN1071475C 数字信号处理器 Digital Signal Processor |
09/18/2001 | US6292571 Hearing aid digital filter |
09/18/2001 | US6292510 Automatic equalization method and automatic equalizer |
09/13/2001 | US20010021940 Method of updating reflection coefficients of lattice filter and apparatus for updating such reflection coefficients |
09/13/2001 | US20010021939 Method for selective filtering |
09/13/2001 | US20010021879 Singnal processing device and signal processing method |
09/12/2001 | EP1131887A1 Fir filter utilizing programmable shifter |
09/12/2001 | EP1021863A4 Method and system for a digital filter having improved settling time |
09/12/2001 | EP1010168B1 Accelerated convolution noise elimination |
09/12/2001 | EP0865682B1 Use of single channel fir filter architecture to perform combined/parallel filtering of multiple (quadrature) signals |
09/07/2001 | WO2001065713A1 Irr filter for a cdma receiver |
09/07/2001 | WO2001065692A1 Apparatus for splitting the frequency band of an input signal |
09/07/2001 | WO2001065485A1 Digital filter |
09/07/2001 | CA2713963A1 Method and device for active impedance matching |
09/07/2001 | CA2370723A1 Digital filter |
09/06/2001 | DE10009383A1 Implementation of rank value filter as circuit involves inserting newly arriving data items into data field that is pre-sorted according to magnitude by use of clear and sort technique |
09/05/2001 | EP1130774A2 Method and device for the realisation of rank order filters |
09/05/2001 | EP1130773A1 Time continuous FIR filter to implement a Hilbert transform and corresponding filtering method |
09/05/2001 | EP1130759A1 Motor controller |
09/05/2001 | EP1129523A1 Circuit configuration for quantisation of digital signals and for filtering quantisation noise |
09/05/2001 | CN1311921A Multiplierless digital filtering |
09/04/2001 | US6286019 High efficiency digital filter using sequential multiply and add operations |
09/04/2001 | CA2217839C A windowing technique for blind equalization |
08/30/2001 | WO2001063867A1 Receiver |
08/30/2001 | WO2001063464A1 Wave digital filter |
08/29/2001 | EP0845173B1 Circuit arrangement for influencing the frequency response of a digital audio signal |
08/29/2001 | EP0807307B1 A pitch post-filter |
08/29/2001 | EP0707763B1 Reduction of background noise for speech enhancement |
08/28/2001 | US6282042 Data processing apparatus and methods |
08/28/2001 | US6280391 Method and apparatus for removing baseline wander from an egg signal |
08/23/2001 | US20010016001 Arrangement for filtering digital data |
08/22/2001 | EP1126696A2 Device for filtering digital data |
08/22/2001 | EP1126607A2 Improved digital filtering method |
08/22/2001 | EP1125363A1 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter |
08/22/2001 | EP1125286A1 Perceptual weighting device and method for efficient coding of wideband signals |
08/22/2001 | EP1125285A1 Periodicity enhancement in decoding wideband signals |
08/22/2001 | EP1125284A1 High frequency content recovering method and device for over-sampled synthesized wideband signal |
08/22/2001 | EP1125276A1 A method and device for adaptive bandwidth pitch search in coding wideband signals |
08/22/2001 | EP1125274A1 Digital audio signal processing apparatus comprising a delay line |
08/22/2001 | CN1309467A Variable gain digital wave filter |
08/21/2001 | US6279021 Digital filters |
08/21/2001 | US6279020 Programmable circuit for realizing a digital filter |
08/21/2001 | US6279019 Decimation filtering apparatus and method |
08/16/2001 | US20010013270 Pitch shifter |
08/16/2001 | EP0970562B1 Fractional delay digital filter |
08/16/2001 | EP0742971B1 Adaptive feedforward and feedback control system |
08/15/2001 | CN1308802A Method for digital timing recovery and selective filtering |
08/14/2001 | US6275836 Interpolation filter and method for switching between integer and fractional interpolation rates |
08/14/2001 | US6275835 Finite impulse response filter and method |
08/14/2001 | US6275545 Matched filter and method of synchronizing operation timing of receiver with phase of desired wave signal |
08/14/2001 | US6275119 Method to find a value within a range using weighted subranges |
08/14/2001 | CA2164026C Subband echo canceler |
08/09/2001 | WO2001058017A2 Fir filter tap architecture for highly dense layout |
08/09/2001 | WO2001057877A1 Optimized sampling rate |
08/09/2001 | US20010012368 Stereophonic sound processing system |
08/08/2001 | EP1122884A1 Filter arrangement with a linear phase characteristic, and method to develop such a filter arrangement |
08/08/2001 | EP1121754A1 Odd-transform fast convolution |
08/08/2001 | EP0831480B1 Data processing apparatus and methods |
08/08/2001 | CN1069476C Method and device for removing double picture with standered symbol represented digital code |
08/08/2001 | CN1069468C Wideband FFT channelizer |
08/07/2001 | US6272509 Filter device |
08/07/2001 | US6271778 High pass filtering with automatic phase equalization |
08/07/2001 | CA2246757C Echo canceler |
08/07/2001 | CA2162413C Optimization of adaptive filter tap settings for subband acoustic echo cancelers in teleconferencing |
08/02/2001 | WO2001056167A2 A multiplierless interpolator for a delta-sigma digital to analog converter |
08/02/2001 | WO2001056157A1 Band pass filter from two filters |
08/02/2001 | WO2001056156A1 Band pass filter with improved group delay |
08/02/2001 | WO2001056154A2 Digital filter |
08/02/2001 | US20010010704 Filter arrangement with a linear phase characteristic, and method to develop such a filter arrangement |
08/02/2001 | CA2333514A1 Filter arrangement with a linear phase characteristic, and method to develop such a filter arrangement |
08/01/2001 | EP1120708A2 Arrangement and method for signal processing and storage |
08/01/2001 | EP1119911A1 Filtering device |
08/01/2001 | EP1119910A1 Area efficient realization of coefficient architecture for bit-serial fir, iir filters and combinational/sequential logic structure with zero latency clock output |
08/01/2001 | EP1119909A1 Area efficient realization of coefficient architecture for bit-serial fir, iir filters and combinational/sequential logic structure with zero latency clock output |
08/01/2001 | EP0818078B1 Digital filter |
08/01/2001 | CN1306693A Non recursive digital filter and method for calculating coefficients of such filter |
07/31/2001 | US6269117 System and method for enhancing downsampling operations |
07/31/2001 | US6269115 Linear-phase filter implementation using orthonormal laguerre expansions |
07/31/2001 | US6268766 Band pass filter from two notch filters |