| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 06/16/2004 | CN1154233C Digital-analog converter and method, and data interpolation device and method |
| 06/15/2004 | US6751640 Method and apparatus for multiply-accumulate two-dimensional separable symmetric filtering |
| 06/15/2004 | US6751359 Method to program bit vectors for an increasing nonlinear filter |
| 06/15/2004 | US6751277 Filtering device |
| 06/15/2004 | US6750798 Apparatus for processing knock sensor signal |
| 06/15/2004 | US6750793 Decimation filter and interpolation filter |
| 06/15/2004 | CA2301663C A method and a device for coding audio signals and a method and a device for decoding a bit stream |
| 06/10/2004 | US20040109572 Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing |
| 06/09/2004 | EP1427104A1 Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method |
| 06/09/2004 | EP1425857A2 Digital down converter |
| 06/08/2004 | US6748011 Efficient multicarrier filter |
| 06/08/2004 | US6747936 Data reproduction apparatus and method with improved performance by adjusting filter coefficients of equalizer |
| 06/08/2004 | US6747858 Digital sample rate converter architecture |
| 06/08/2004 | CA2221845C Analysis/synthesis filtering system with efficient oddly-stacked single-sideband filter bank using time-domain aliasing cancellation |
| 06/03/2004 | WO2004013963A3 Data processing circuit |
| 06/03/2004 | WO2003069499A9 Filter set for frequency analysis |
| 06/03/2004 | WO2003063346A3 A method for decreasing the dynamic range of a signal and electronic circuit |
| 06/03/2004 | US20040107232 Digital filter device |
| 06/03/2004 | US20040107231 Data interpolating device and method, sampling function generating device, data interpolating program, and recorded medium |
| 06/03/2004 | US20040107078 Optimized filter parameters design for digital IF programmable downconverter |
| 06/02/2004 | EP1424780A2 Delta-sigma modulator, method of switching delta-sigma modulator, and digital amplifier |
| 06/02/2004 | EP1423914A2 Filter devices and methods |
| 06/02/2004 | EP0809842B1 Adaptive speech filter |
| 06/02/2004 | CN1502167A Apparatus and method for adjusting filter frequency in relation to sampling frequency |
| 06/02/2004 | CN1152589C Realizing device for baseband forming filter in stream line mode |
| 06/02/2004 | CN1152504C Multipath searching and channel evaluating method based on digital matched filter |
| 06/02/2004 | CN1152495C Digital shaping filter in WCDMA communication system |
| 06/01/2004 | US6744835 Methods and apparatus for implementing an interpolation finite impulse response (FIR) filter for use in timing recovery |
| 06/01/2004 | CA2187343C Wideband fft channelizer |
| 05/27/2004 | WO2004045095A1 Method and apparatus for processing an amplitude modulated (am) signal |
| 05/27/2004 | WO2004034664A3 Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing |
| 05/27/2004 | WO2004027998A3 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 05/27/2004 | US20040103133 Decimating filter |
| 05/27/2004 | US20040101039 High order filters with controllable delay and performance |
| 05/26/2004 | EP1421700A2 Digital equalization process and mechanism |
| 05/26/2004 | CN1151606C Wave filter for digital to analog converter and method of reducing mixed lapping distortion |
| 05/25/2004 | US6742153 Test configuration and method for testing a digital electronic filter |
| 05/25/2004 | US6741706 Audio signal processing method and apparatus |
| 05/25/2004 | US6741644 Pre-emphasis filter and method for ISI cancellation in low-pass channel applications |
| 05/25/2004 | CA2244446C Signal processor for reducing undesirable signal content |
| 05/21/2004 | WO2004042553A1 Methods, system and computer program for digital signal processing |
| 05/20/2004 | US20040096014 Method and apparatus for processing an amplitude modulated (AM) signal |
| 05/20/2004 | US20040095951 Digital filter of a mobile communication system and operating method thereof |
| 05/19/2004 | DE10317698A1 Verfahren zum Entwerfen von Polynomen zur Steuerung des Schwenkens von anpassungsfähigen Digitalfiltern A method for designing of polynomials for controlling the pivoting of adaptive digital filters |
| 05/19/2004 | DE10250890A1 Entscheidungsrückkoppelentzerrer mit reduzierter Gatezahl Decision feedback equalizer with reduced gate number |
| 05/19/2004 | DE10250871A1 Filter and filtering process for digital signals as in echo correction in communication systems has sequence of store readout multiplier adding and summing units |
| 05/19/2004 | DE10250555A1 Verfahren zur Ermittlung von Filterköffizienten eines digitalen Filters und digitales Filter Method for determining Filterköffizienten a digital filter and a digital filter |
| 05/19/2004 | CN1498456A Aliasing reduction using complex-exponential modulated filterbanks |
| 05/19/2004 | CN1497847A Data converter, signal generator, emittor, communication equipment and data converting method |
| 05/19/2004 | CN1150783C Mobile terminal, base station and its synchronizing control method |
| 05/18/2004 | US6738420 Digital filter having an upsampler operational at a fractional clock rate |
| 05/13/2004 | WO2004040770A1 Digital signal processing device and audio signal reproduction device |
| 05/13/2004 | WO2004040757A1 Method for determining filter coefficients of a digital filter and digital filter |
| 05/13/2004 | US20040093366 Parallelized infinite impulse response (IIR) and integrator filters |
| 05/13/2004 | US20040091071 Demodulation apparatus for a network transceiver and method thereof |
| 05/12/2004 | EP1417756A1 Sub-band adaptive signal processing in an oversampled filterbank |
| 05/12/2004 | EP1269345A4 Wave digital filter |
| 05/12/2004 | EP0864216B1 Filtering in a receiver that uses log-polar signal processing |
| 05/11/2004 | US6735608 Data interpolation method |
| 05/11/2004 | US6735304 Adaptive filter and echo canceller using the same |
| 05/06/2004 | WO2004038600A1 Reconfigurable filter node for an adaptive computing machine |
| 05/06/2004 | WO2003107533A3 Digital filtering method |
| 05/06/2004 | US20040088343 Digital decimation filter having finite impulse response (FIR) decimation stages |
| 05/06/2004 | US20040088342 Weight measurement apparatus, method of eliminating noise and method of designing digital filter |
| 05/06/2004 | US20040086036 Decision feedback equalizer having reduced gate count |
| 05/06/2004 | EP1416652A1 Adaptive electrical transversal filter with unipolar taps |
| 05/06/2004 | EP1416631A2 Weight measurement apparatus, method of eliminating noise and method of designing digital filter |
| 05/06/2004 | EP1415277A2 Pyramid filter |
| 05/06/2004 | EP1415239A2 Methods for efficient filtering of data |
| 05/06/2004 | DE10249050A1 Adjustment of parameters for analog filter of Cauer or elliptical type has circuit producing Cauer word triplets and feeding control signal to filter |
| 05/05/2004 | CN1494335A Digital filter of mobile communication system and its operation method |
| 05/05/2004 | CN1494211A Sampling extracting filter and internally inserted filter |
| 05/04/2004 | US6731706 Square root raised cosine symmetric filter for mobile telecommunications |
| 04/29/2004 | WO2004036747A1 Digital filter design method and device, digital filter design program, and digital filter |
| 04/29/2004 | WO2004036746A1 Digital filter design method and device, digital filter design program, and digital filter |
| 04/29/2004 | WO2004036450A1 Method of computing fir filter coefficient and program for computing same |
| 04/29/2004 | US20040081235 Electrical signal equaliser with a transversal filter, an optical receiver, and a method for equalising an electrical signal |
| 04/29/2004 | DE4320990B4 Verfahren zur Redundanzreduktion Method for redundancy reduction |
| 04/28/2004 | EP1414036A1 Signal processing apparatus and method, and digital data reproducing apparatus |
| 04/28/2004 | CN1493156A Multiplierless pyramid filter |
| 04/28/2004 | CN1148084C Direct MF digitizing treater in GSM base station receiving system |
| 04/27/2004 | US6728796 Arrangement and method for signal processing and storing |
| 04/22/2004 | WO2004034664A2 Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing |
| 04/22/2004 | WO2004034624A2 Digital group delay compensator |
| 04/22/2004 | WO2004034607A1 Wraparound canceller, relay system, and wraparound canceling method |
| 04/22/2004 | WO2003063350A3 Digital signal filtering method, a frequency synthesiser and the corresponding computer programs |
| 04/22/2004 | WO2002037675A8 Filtering method and filter |
| 04/22/2004 | US20040078403 Reconfigurable filter node for an adaptive computing machine |
| 04/22/2004 | US20040076242 Concurrent FM signal receiver |
| 04/22/2004 | US20040076234 Method and apparatus for implementing wavelet filters in a digital system |
| 04/21/2004 | EP1410518A1 Ring matched filter for synchronizing to a spreading code |
| 04/21/2004 | CN1147100C Filtering in receiver by using log-polar signal processing |
| 04/21/2004 | CN1146905C Wave shape equalizer |
| 04/21/2004 | CN1146864C Speech synthesis method and apparatus |
| 04/21/2004 | CN1146862C Pitch extraction method and device |
| 04/21/2004 | CN1146861C Pitch extracting method in speech processing unit |
| 04/20/2004 | US6725248 Decimation filter and signal processing method using the same |
| 04/20/2004 | US6725247 Two-dimensional pyramid filter architecture |
| 04/20/2004 | US6724812 Matching filter calculating correlation valve utilizing exclusive-or of two data and exclusive-or of two codes corresponding to the input data |
| 04/20/2004 | US6724220 Programmable microcontroller architecture (mixed analog/digital) |