Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 17 - Networks using digital techniques
Patents for H03H 17 - Networks using digital techniques (9,654)
11/2003
11/25/2003US6653964 Filtering method and A/D conversion apparatus having filtering function
11/20/2003WO2003096534A1 Tone quality adjustment device designing method and designing device, tone quality adjustment device designing program, and tone quality adjustment device
11/20/2003WO2003019786A3 Digital down converter
11/20/2003US20030215100 Noise canceling apparatus for weight measurement, and noise canceling method for weight measurement
11/19/2003EP1363112A1 Noise cancelling apparatus and method for weight measurement
11/19/2003CN1457550A Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and reocrd medium
11/18/2003US6651078 Method for determining a decimation pattern in a network communications receiver
11/18/2003US6650756 Method and apparatus for characterizing audio transmitting system, and method and apparatus for setting characteristics of audio filter
11/18/2003US6650258 Sample rate converter with rational numerator or denominator
11/18/2003US6649235 Process for producing coated polymeric articles and the articles produced thereby
11/13/2003WO2003063351A3 Methods and systems for efficient filtering of digital signals
11/13/2003WO2003055195A3 System and method for rate enhanced shdsl
11/13/2003US20030209230 Apparatus for processing knock sensor signal
11/12/2003EP1360773A2 Signal processing
11/12/2003EP1360761A2 N dimensional, non-linear, static, adaptive, digital filter design using d scale non-uniform sampling
11/12/2003EP1142144B1 Circuit for a multi-standard communications terminal
11/12/2003CN1455987A Compression method and device, decompression method and device, compression/decompression system, recording medium
11/12/2003CN1127884C Signal quality determining device and method
11/12/2003CN1127801C Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter
11/11/2003US6647324 Method for digitally filtering a signal burdened with noise and a control system for a vehicle
11/11/2003US6647252 Adaptive threshold algorithm for real-time wavelet de-noising applications
11/11/2003US6647075 Digital tuner with optimized clock frequency and integrated parallel CIC filter and local oscillator
11/11/2003US6647063 Information encoding method and apparatus, information decoding method and apparatus and recording medium
11/06/2003WO2003015270A3 Method for determining filtering coefficients of a modulated filter bank, prototype filter, modulated filter bank, terminal and corresponding uses
11/06/2003US20030206075 Method to find a value within a range using weighted subranges
11/05/2003EP0783797B1 A wireless digital communication device, and a pulse shaping network
11/05/2003CN1127055C Perceptual weighting device and method for efficient coding of wideband sound signals and cellular communication system
11/04/2003US6643675 Filtering method and filter
11/04/2003US6643406 Method and apparatus for performing linear filtering in wavelet based domain
11/04/2003US6643323 Digital filtering method
11/04/2003US6642863 Sample rate converters using virtual sample rates and analog to digital and digital to analog converters using the same
11/04/2003US6641541 Method and apparatus for a morphology-preserving smoothing filter
11/04/2003CA2299021C Digital channelizer having efficient architecture for discrete fourier transformation and operation thereof
10/2003
10/30/2003WO2002089061A3 Two-dimensional pyramid filter architecture
10/30/2003US20030204545 Method for implementing a multiplier-less FIR filter
10/30/2003US20030202612 Method and system for rate enhanced SHDSL
10/29/2003EP1356313A2 High speed filter
10/29/2003EP1262019B1 Apparatus for splitting the frequency band of an input signal
10/29/2003CN1452809A Ghost eliminating equalizer
10/29/2003CN1452323A Finite pulse response filter, communication transmitting apparatus and communication receiving apparatus
10/29/2003CN1126320C Sample rate converter
10/29/2003CN1126266C 1-bit digital signal processing device, recording device and reproducing device
10/29/2003CN1126251C Comb filter
10/29/2003CN1126049C Adaptive dual filter echo cancellation and use method thereof
10/28/2003US6639948 Fractional delay digital filter
10/28/2003CA2185649C Frequency transpositional hearing aid with digital and single sideband modulation
10/23/2003US20030200243 Finite impulse response filter, communication transmission apparatus and communication reception apparatus
10/23/2003US20030200241 Digital filter
10/22/2003EP1355421A2 Digital matched filter
10/22/2003EP1166442B1 Complex matched filter with reduced power consumption
10/22/2003CN1450810A Image transformation apparatus and method
10/21/2003US6636572 High-speed digital timing and gain gradient circuit employing a parallel architecture
10/21/2003US6636170 Signal converter with digital/analog conversion and noise-dependent variability of output signal bandwidth
10/21/2003US6636165 Device and method for conversion of sampling rate
10/21/2003CA2259261C Efficient multichannel filtering for cdma modems
10/16/2003WO2003085830A1 Adaptive multistage wiener filter
10/16/2003US20030195913 Shared multiplication for constant and adaptive digital filters
10/16/2003US20030195910 Method of designing polynomials for controlling the slewing of adaptive digital filters
10/16/2003US20030195909 Compensation scheme for reducing delay in a digital impedance matching circuit to improve return loss
10/16/2003US20030195906 Low power vector summation method and apparatus
10/16/2003US20030194003 Reconfigurable FIR filter using CSD coefficient representation
10/16/2003US20030194002 Run-time coefficient generation for digital filter with slewing bandwidth
10/16/2003US20030193995 Digital matched filter
10/15/2003EP1353461A1 Analog filter
10/15/2003CN1124685C Matched filter
10/09/2003US20030190083 Image transformation apparatus and method
10/08/2003EP1350321A2 Method and system for efficient and accurate filtering and interpolation
10/08/2003EP1350224A2 Multiplierless pyramid filter
10/08/2003CN1123997C Equalizing method for OFDM receiver and equalizer
10/07/2003US6631341 Signal analyzing apparatus
10/02/2003WO2003081774A1 Asynchronous sampling rate conversion
10/02/2003US20030187894 Low power decimation system and method of deriving same
10/02/2003US20030186671 Polyphase filter with low-pass response
10/01/2003EP1349335A2 Selection of interpolation method for multicarrier reception
10/01/2003EP1348253A2 GENERATING TWO SIGNALS HAVING A MUTUAL PHASE DIFFERENCE OF 90o
10/01/2003CN1123182C Higher order digital phase loop filter
09/2003
09/30/2003US6628923 Adaptive phase and amplitude linearization method and apparatus
09/25/2003WO2002069492A3 System and method for a highly-programmable fir filter
09/25/2003US20030179840 Apparatus and method for canceling narrow-band interference in a mobile communication system
09/25/2003US20030179723 Satellite signal distribution systems
09/24/2003EP1347644A2 Satellite signal distribution systems
09/24/2003EP1347574A2 Sampling rate converter, in particular for asynchrone input and output signals
09/24/2003CN1444418A Equipment for providing high tone quality by utilizing intermediate value filter in sound system
09/24/2003CN1444394A TV wall image amplification interpolation method
09/24/2003CN1122367C Re-sampling circuit and modulator using the same and method for controlling said circuit
09/23/2003US6625628 Method and apparatus for digital filter
09/23/2003US6625284 Comfort noise generating apparatus
09/23/2003US6625205 Matched filter circuit
09/23/2003US6624765 Apparatus and method for sampling rate conversion
09/23/2003US6624691 Demodulator for processing digital signal
09/23/2003US6622560 Ultrasound imaging method and apparatus based on pulse compression technique using a spread spectrum signal
09/21/2003CA2421690A1 Satellite signal distribution systems
09/18/2003WO2003077441A1 Digital correlators
09/18/2003WO2003077419A1 Finite impulse response filter and digital signal receiving apparatus
09/18/2003WO2003047091A3 A data processing circuit
09/18/2003US20030177157 Digital filter
09/18/2003US20030177156 Flexible decimator
09/17/2003EP1344394A2 Detection and correction of asymmetric transient signals
09/17/2003EP1344147A1 Fir decimation filter and method
09/17/2003CN1443394A Generating two signals having mutual phase difference of 90 degree
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