Patents for H03H 17 - Networks using digital techniques (9,654) |
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03/22/2005 | US6870492 Method of near-unity fractional sampling rate alteration for high fidelity digital audio |
03/17/2005 | WO2005024822A1 Reproduced signal processor and reproduced signal processing method |
03/17/2005 | WO2005024789A1 Acoustic processing system, acoustic processing device, acoustic processing method, acoustic processing program, and storage medium |
03/16/2005 | EP1515304A2 Active noise cancellation system having an adaptive filter and a correction filter |
03/16/2005 | EP1514347A2 Digital filtering method |
03/16/2005 | CN1596562A Device and method for operating a discharge lamp |
03/16/2005 | CN1193608C Pulse code modulation dc centering vestigial sideband converter |
03/16/2005 | CN1193501C Method for equalizing channel |
03/15/2005 | US6868431 Circuit and method for processing data |
03/15/2005 | US6868127 Signal receiving circuit and signal receiving method |
03/10/2005 | WO2005022751A1 Adaptive lock position circuit |
03/10/2005 | WO2005022750A1 Precision adaptive equalizer |
03/10/2005 | WO2005022745A1 Operating frequency reduction for transversal fir filter |
03/10/2005 | US20050055393 FIR filter tap architecture for highly dense layout |
03/10/2005 | US20050055125 Method of monitoring the operation of a machine tool |
03/10/2005 | US20050053244 Active noise cancellation system |
03/10/2005 | US20050053177 Multipath distortion eliminating filter |
03/09/2005 | EP1513254A1 Filter enabling decimation of digital signals by a rational factor |
03/09/2005 | CN1592450A Front end module for mobile communication system |
03/09/2005 | CN1592103A N step half-band interpolating filter |
03/09/2005 | CN1192483C Circuit arrangement and method for offset compensation of signal |
03/09/2005 | CN1192356C Decoding method and system comprising adaptive postfilter |
03/09/2005 | CN1192239C Analysing signals |
03/08/2005 | US6864819 State delayed technique and system to remove tones of dynamic element matching |
03/08/2005 | US6864812 Hardware efficient implementation of finite impulse response filters with limited range input signals |
03/03/2005 | WO2004064261A3 Methods and systems for filtering unwanted noise in a material metering machine |
03/03/2005 | US20050050133 Switching activity reduced coding for low-power digital signal processing circuitry |
03/03/2005 | US20050050126 Digital signal-processing structure and methodology featuring engine-instantiated, wave-digital-filter componentry, and fabrication thereof |
03/03/2005 | US20050047500 Precision adaptive equalizer |
03/03/2005 | US20050046456 Adaptive lock position circuit |
03/02/2005 | EP1511263A2 Method and apparatus for multi-level quadrature amplitude modulation |
03/02/2005 | EP1226660B1 Echo compensation device |
03/02/2005 | CN1589524A Time discrete filter comprising upsampling, sampling rate conversion and downsampling stages |
03/02/2005 | CN1191537C Equipment and method for realizing filter impulsing frequency ersponsive preset point by anchoring physics method |
03/01/2005 | US6862326 Whitening matched filter for use in a communications receiver |
02/24/2005 | US20050044121 Multipath distortion eliminating filter |
02/24/2005 | DE10335105A1 Sigma delta modulator e.g. for mobile communication, uses CCD as filter element |
02/23/2005 | EP1508970A2 Multipath distortion eliminating filter |
02/23/2005 | EP1508968A2 Multipath distortion eliminating filter |
02/22/2005 | US6859814 Transpose FIR filter architecture |
02/22/2005 | US6859813 Parallel decimation circuits |
02/17/2005 | WO2005015752A2 Noise shaped interpolator and decimator apparatus and method |
02/17/2005 | US20050038844 Programmable logic device including multipliers and configurations thereof to reduce resource utilization |
02/17/2005 | US20050038842 Processor for FIR filtering |
02/17/2005 | US20050036627 Mechanism for using the allpass decomposition architecture for the cauer low pass filter used in a BTSC |
02/16/2005 | CN1581717A Apparatus for transmitting telephone signal in coaxial cable |
02/15/2005 | US6857002 Integrated circuit with a mode control selecting settled and unsettled output from a filter |
02/15/2005 | US6856653 Digital signal sub-band separating/combining apparatus achieving band-separation and band-combining filtering processing with reduced amount of group delay |
02/15/2005 | US6856577 Method and apparatus for forming a reception beam |
02/15/2005 | US6856191 Nonlinear filter |
02/10/2005 | US20050031046 Multirate digital transceiver |
02/09/2005 | EP1504649A1 Method of controlling the functions of a working machine |
02/09/2005 | CN1578165A High order successive sampling wave form shaping filter |
02/09/2005 | CN1578138A Reduced complexity adaptive filter |
02/09/2005 | CN1578137A Rational sample rate conversion |
02/09/2005 | CN1188780C Sampling frequency converter and storage address controller |
02/03/2005 | US20050027768 Reduced complexity adaptive filter |
02/03/2005 | US20050024151 Digitally controlled tuner circuit |
02/03/2005 | US20050023046 Multi-filter |
02/03/2005 | US20050022325 Cleaning processing system and cleaning processing apparatus |
02/02/2005 | EP1503293A2 Method and system for performing a Fast Fractional Fourier Transform. |
02/02/2005 | CN1574724A 采样频率变换装置及采样频率变换方法 Apparatus and method for converting the sampling frequency of sampling frequency conversion |
02/02/2005 | CN1574044A Bit recovery scheme for an asymmetric data channel |
02/01/2005 | US6850579 Multiplierless finite impulse response filter |
02/01/2005 | CA2265999C Signal transformation method and apparatus |
01/27/2005 | WO2005008374A2 Single instruction multiple data implementations of finite impulse response filters |
01/27/2005 | WO2004093316A3 Adaptive filtering |
01/27/2005 | WO2004086611A3 Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility |
01/27/2005 | WO2003107035A3 Method for the suppression of disturbances in systems for detecting objects |
01/27/2005 | US20050018796 Method of combining an analysis filter bank following a synthesis filter bank and structure therefor |
01/26/2005 | EP1374400B1 Two-dimensional pyramid filter architecture |
01/26/2005 | CN2674763Y Full phase DFT digital filter |
01/26/2005 | CN1571321A A pilot capture method and device based on splitting pattern matching filter |
01/25/2005 | US6847882 Misfire detection system and method of median filtering |
01/25/2005 | US6847313 Rational sample rate conversion |
01/25/2005 | US6847243 Clock controlling method and circuit |
01/25/2005 | CA2320703C Upsampling filter having one-bit multipliers for multiple spread-data streams |
01/20/2005 | WO2005006549A2 Rational sample rate conversion |
01/20/2005 | WO2004088842A3 A fir filter device for flexible up- and downsampling |
01/20/2005 | US20050013449 Integrating apparatus |
01/20/2005 | DE10327057A1 Vorrichtung zum zeitlichen Stauchen oder Strecken, Verfahren und Folge von Abtastwerten Apparatus for temporal compression or stretching, procedures and sequence of samples |
01/20/2005 | DE10325835A1 Modeling optimized model-filter in crest-factor reduction circuit of multi-carrier data transmission system, using approximation to determine filter coefficients using window in which impulse response has highest energy |
01/20/2005 | DE10112275B4 Interpolator Interpolator |
01/19/2005 | EP1380107B1 Two-dimensional pyramid filter architecture |
01/19/2005 | CN1568608A Multirate digital transceiver |
01/19/2005 | CN1567911A Filtering apparatus and method for saving memory space in eight-phased phase-shift keying device |
01/19/2005 | CN1567807A A frequency domain filter and method for implementing frequency domain filter |
01/19/2005 | CN1567800A Simplified matching filter bank capable of being split and recombined |
01/19/2005 | CN1567780A Filter device for forward link of CDMA system and filtering method thereof |
01/19/2005 | CN1567732A A novel method for receiving ultra wideband signal |
01/18/2005 | US6845135 Cascaded biquad infinite impulse response filter |
01/18/2005 | US6845134 Arrangement for receiving a digital signal from a transmission medium |
01/18/2005 | US6845124 Integrated circuit for code acquisition |
01/18/2005 | US6844791 Digital pulse shaper with variable weighting function |
01/18/2005 | US6842932 Cleaning processing system and cleaning processing apparatus |
01/13/2005 | WO2005004373A2 Continuous-time digital signal generation, transmission, storage and processing |
01/13/2005 | WO2005004345A1 A frequency-domain filter and method for realizing frequency-domain filtering |
01/13/2005 | WO2003107528A3 Circuit arrangement for generating an iq signal |
01/13/2005 | US20050008071 Infinite impulse response multiplierless digital filter architecture |
01/13/2005 | US20050007863 Sampling frequency conversion device and sampling frequency conversion method |