| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 08/12/2009 | CN101505145A Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 08/12/2009 | CN101505144A Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 08/11/2009 | US7574274 Method and system for synchronizing audio processing modules |
| 08/06/2009 | DE102004024415B4 Fehlzündungserkennungssystem für eine Brennkraftmaschine A misfire detection system for an internal combustion engine |
| 08/05/2009 | EP2084813A1 Digital signal processing |
| 08/05/2009 | CN101499786A Programmable filter circuit and method |
| 08/05/2009 | CN100525103C Filtering apparatus |
| 08/05/2009 | CN100525102C Method for determining filter coefficients of a digital filter and digital filter |
| 08/05/2009 | CN100525101C Method and apparatus to record a signal using a beam forming algorithm |
| 08/04/2009 | US7570307 Filter device |
| 07/30/2009 | WO2009092837A1 Method and apparatus for digital filtering of signals |
| 07/30/2009 | DE102007040207A1 Method for Fourier analysis, involves transforming input signal into output signals by finite impulse response filters with transmission functions |
| 07/30/2009 | DE102004012037B4 Abtastratenumsetzer Sample rate converter |
| 07/29/2009 | CN100521532C Data transmission controller and sampling frequency converter |
| 07/28/2009 | US7567641 Sample rate conversion systems with an independent internal oscillator |
| 07/28/2009 | US7567615 Adaptive equalization circuit and adaptive equalization method |
| 07/23/2009 | WO2009090135A2 Digital optimal filter for periodically alternating signals |
| 07/23/2009 | US20090187615 Digital filter |
| 07/23/2009 | US20090184749 High-resolution digitally controlled tuning circuit elements |
| 07/22/2009 | CN100518043C A frequency domain filter and method for implementing frequency domain filter |
| 07/22/2009 | CN100517968C Hilbert filter used for power computing |
| 07/21/2009 | US7565389 Method for determining filter coefficients of a digital filter and digital filter |
| 07/21/2009 | US7564978 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 07/15/2009 | CN100514949C Methods and apparatus for snapshot-based equalization of a communications channel |
| 07/15/2009 | CN100514855C Digital noise filtering method and circuit |
| 07/09/2009 | WO2009086060A1 Method and apparatus for generating or utilizing one or more cycle-swallowed clock signals |
| 07/08/2009 | EP2077625A1 Matched filter and receiver |
| 07/08/2009 | CN100512510C Device and method for processing speech |
| 07/07/2009 | US7559076 Sample rate reduction in data communication receivers |
| 07/02/2009 | WO2009082302A1 Noise suppression method and apparatus |
| 07/02/2009 | WO2009082299A1 Noise suppression method and apparatus |
| 07/02/2009 | WO2009081238A1 Filter banks for enhancing signals using oversampled subband transforms |
| 07/02/2009 | WO2009081188A1 Filter |
| 07/02/2009 | WO2009042683A3 Time sequential processing operations |
| 07/01/2009 | EP2075912A1 Method for complexity-reduced digital filtering and parameter estimation of analog signals |
| 07/01/2009 | CN101473535A Method for processing a digital input signal in a digital domain and digital filter circuit for processing a digital input signal |
| 07/01/2009 | CN101471641A Method for calculating filter coefficient and filtering method |
| 06/25/2009 | DE102008057095A1 Methode zur Verknüpfung binärer Zahlen in Umgebungen mit begrenzten Bit-Breiten und Vorrichtung hierfür Method for combining binary numbers in environments with limited bit-widths and apparatus therefor |
| 06/24/2009 | CN101467350A Integer representation of relative timing between desired output samples and corresponding input samples |
| 06/23/2009 | USRE40802 Digital frequency response compensator and arbitrary response generator system |
| 06/23/2009 | US7552158 Digital filter and digital broadcasting receiver having the same |
| 06/23/2009 | US7552157 Broad-dynamic filtering procedure for a recursive digital filter installed in a signal processor (DSP) operating with integers |
| 06/23/2009 | CA2317593C Vehicle computer system with audio entertainment system |
| 06/17/2009 | CN100502240C Finite pulse response FIR filter |
| 06/16/2009 | US7548941 Digital filter using memory to emulate variable shift register |
| 06/16/2009 | US7548864 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 06/11/2009 | WO2009072197A1 Digital filter, precoder, and transmission system |
| 06/10/2009 | EP1186099B1 A reconfigurable fir filter using csd coefficient representation |
| 06/10/2009 | CN100499828C Equipment for calculating approximate range of vector showing by sampling signals |
| 06/10/2009 | CN100499423C Filter device for forward link of CDMA system and filtering method thereof |
| 06/10/2009 | CN100499371C Programmable interpolated filter device and realizing method therefor |
| 06/10/2009 | CN100499370C Filter of accurate realizing signal differentiation, and method for implementing signal differentiation |
| 06/03/2009 | CN101447779A Charge domain filter circuit |
| 06/03/2009 | CN100495914C Controller of graphic equalizer |
| 06/02/2009 | US7543009 Fractional fourier transform convolver arrangement |
| 06/02/2009 | US7542536 Resampler for a bit pump and method of resampling a signal associated therewith |
| 05/27/2009 | CN101443843A Low complexity subband-domain filtering in the case of cascaded filter banks |
| 05/27/2009 | CN101442297A Digital decimation filter |
| 05/27/2009 | CN101442296A Digital decimation filter |
| 05/27/2009 | CN100492049C Method for establishing L value processed data table through preattached fake data of digital filter |
| 05/22/2009 | WO2009063728A1 Frequency conversion device |
| 05/20/2009 | EP2060008A2 Discrete state-space filter and method for processing asynchronously sampled data |
| 05/20/2009 | CN201243267Y Circuit device for implementing numerical control absorption to PIN electrically-tuned attenuator |
| 05/20/2009 | CN100489466C Self-adaptive filtering method of dynamic axle weighing signal of vehicle |
| 05/19/2009 | US7536018 Active noise cancellation system |
| 05/19/2009 | US7535874 Method and apparatus for adaptive power control for spread-spectrum communications |
| 05/19/2009 | US7535385 Time base adjustment in a data processing device |
| 05/13/2009 | EP1576753A4 Digital group delay compensator |
| 05/13/2009 | CN201238286Y Numerical control step attenuator with error calibration function |
| 05/13/2009 | CN100488050C Digital precision phase-shift method and phase shifter |
| 05/13/2009 | CN100488049C Digital filter |
| 05/13/2009 | CN100487810C MP3 decoding filter system based on reconfigurable arithmetic unit |
| 05/12/2009 | US7532728 Mechanism for using the allpass decomposition architecture for the cauer low pass filter used in a BTSC |
| 05/12/2009 | US7532691 Parallel architecture digital filter and spread spectrum signal receiver using such a filter |
| 05/12/2009 | US7532663 Digital correlators |
| 05/07/2009 | WO2009056158A1 Method and device for filtering a filter output current and / or voltage of an inverter output |
| 05/07/2009 | DE102008054223A1 Verfahren zur Verringerung der Koeffizienten-Wortgröße digitaler Filter und Vorrichtung dafür A method for reducing the coefficient word size of digital filters, and apparatus therefor |
| 05/07/2009 | DE102004059983B4 Unterdrückung einer Gleichkanal-Interferenz-Störung mittels einer digitalen Störfilteranordnung Suppressing co-channel interference disturbance by means of a digital noise filter |
| 05/07/2009 | DE10114732B4 Verfahren zur aktiven Rauschunterdrückung unter Verwendung der Analyse unabhängiger Komponenten Method for active noise cancellation using independent component analysis |
| 05/06/2009 | CN101425794A Digital filter with fixed coefficient |
| 05/06/2009 | CN101425327A Clock data recovery circuit and method for operating the same |
| 05/06/2009 | CN101425152A Design method for FIR filter based on learning rate changing neural net |
| 05/06/2009 | CN100486113C Multirate filter as well as display system and mobile telephone comprising said multirate filter |
| 05/05/2009 | US7529788 Digital filter design method and device, digital filter design program, and digital filter |
| 04/30/2009 | WO2008147980A4 Multi-mode audio amplifiers |
| 04/30/2009 | DE10239283B4 Synchrones Detektionsverfahren und Vorrichtung dafür, und Sensorsignaldetektor Synchronous detection method and apparatus therefor, and sensor signal detector |
| 04/29/2009 | EP1847003A4 Current sensing analog to digital converter and method of use |
| 04/29/2009 | CN100483943C Implementation method of high-speed digital filter and its structure |
| 04/29/2009 | CN100483532C method for regulating digital filter and relative device |
| 04/22/2009 | EP1665701A4 Noise shaped interpolator and decimator apparatus and method |
| 04/22/2009 | EP1356313A4 High speed filter |
| 04/22/2009 | CN100481245C Bit recovery scheme for an asymmetric data channel |
| 04/16/2009 | WO2009010676A3 Vehicle assist device |
| 04/16/2009 | WO2009010675A3 Vehicle assist method |
| 04/15/2009 | EP2048840A2 Communications system using an adaptive filter and variable delay before the adaptive filter taps |
| 04/15/2009 | CN101411062A Interpolation function generation circuit |
| 04/14/2009 | US7519480 Driving-force output of a reciprocating actuator |
| 04/09/2009 | WO2009007663A3 Nonlinear filtering device |
| 04/09/2009 | DE10316803B4 Verfahren und Vorrichtung zur Kanalschätzung in Funksystemen durch MMSE-basierte rekursive Filterung Method and device for channel estimation in radio systems by MMSE-based recursive filtering |
| 04/09/2009 | DE102008033791A1 Digitale Abtastratenwandlung Digital sampling rate conversion |