| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 10/27/2004 | CN1173535C Digit data sampling rate conversion system |
| 10/21/2004 | US20040209652 Radio apparatus, method for receiving its signal, method for measuring its filter coefficient, and program for measuring its filter coefficient |
| 10/21/2004 | US20040208271 Coding system for minimizing digital data bandwidth |
| 10/21/2004 | US20040208242 Nonlinear inversion |
| 10/21/2004 | US20040208241 Limit-cycle-free FIR/IIR halfband digital filter with shared registers for high-speed sigma-delta A/D and D/A converters |
| 10/21/2004 | US20040207466 Systems and methods for providing multi channel pulse width modulated audio with staggered outputs |
| 10/20/2004 | EP1469601A2 Limit-cycle free FIR/IIR halfband digital filter |
| 10/20/2004 | CN1172466C Equipment for compensating phase-difference follow time-division multiplx and its method |
| 10/20/2004 | CN1172292C Method and device for adaptive bandwidth pitch search in coding wideband signals |
| 10/19/2004 | US6807524 Perceptual weighting device and method for efficient coding of wideband signals |
| 10/19/2004 | US6806820 Analog reconstruction of a digital signal |
| 10/19/2004 | CA2315940C Decimation filtering apparatus and method |
| 10/14/2004 | WO2004088842A2 A fir filter device for flexible up- and downsampling |
| 10/14/2004 | WO2004088841A2 Up and down sample rate converter |
| 10/14/2004 | WO2004088642A2 Frequency shaping stream signal processor |
| 10/14/2004 | US20040205425 Method and system for efficient and accurate processing of a discrete time input signal |
| 10/14/2004 | US20040202265 Signal delaying device and method for dynamic delaying of a digitally sampled signal |
| 10/14/2004 | US20040202081 Data reproduction apparatus and method with improved performance by adjusting filter coefficients of equalizer |
| 10/13/2004 | EP1344147A4 Fir decimation filter and method |
| 10/13/2004 | CN1171414C Reduced complexity and increased flexibility modified fast convolution algorithm |
| 10/13/2004 | CN1171161C Data interpolation device |
| 10/12/2004 | US6804359 Signal processor for reducing undesirable signal content |
| 10/07/2004 | WO2004086792A1 Synchronization and channel estimation with sub-nyquist sampling in ultra-wideband communication systems |
| 10/07/2004 | WO2004086616A2 Clip detection in pwm amplifier |
| 10/07/2004 | WO2004086614A1 Multi-chip pwm synchronization and communication |
| 10/07/2004 | WO2004086611A2 Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility |
| 10/07/2004 | WO2004086609A1 Systems and methods for protection of audio amplifier circuits |
| 10/07/2004 | US20040199082 Selctable notch filter circuits |
| 10/07/2004 | US20040196934 Programmable filter |
| 10/05/2004 | US6801922 Sampling rate converter and method |
| 09/30/2004 | US20040193667 Device for the collective processing of data |
| 09/30/2004 | US20040193666 Parametric recursive digital filter |
| 09/30/2004 | US20040193665 Bi-quad digital filter configured with a bit binary rate multiplier |
| 09/30/2004 | US20040190728 Noise-shapers and filters with noise shaping quantizers and systems and methods using the same |
| 09/30/2004 | US20040190634 Data filtering |
| 09/30/2004 | DE4444583B4 Approximationsvorrichtung und Approximationsverfahren zum Bestimmen eines technischen Systems Approximating device and approximation methods for determining a technical system |
| 09/30/2004 | DE4426461B4 Verfahren zum Verarbeiten eines Signals und entsprechende Vorrichtungen hierfür A method for processing a signal and relevant apparatus |
| 09/29/2004 | CN1169338C Digital separating unit |
| 09/28/2004 | US6799021 Method and arrangement for forming an address |
| 09/23/2004 | WO2004055983A8 Digital sampling frequency converter |
| 09/23/2004 | US20040184573 Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility |
| 09/23/2004 | US20040184572 Output stage synchronization |
| 09/22/2004 | EP1460436A1 System and method for establishing a subsampling rate for repetitive signals |
| 09/22/2004 | CN1531732A Waveform equalizer for obtaining corrected signal and apparatus for reproducing information |
| 09/22/2004 | CN1531712A Pyramid filter |
| 09/22/2004 | CN1168069C Recognition system and method |
| 09/21/2004 | US6795805 Periodicity enhancement in decoding wideband signals |
| 09/21/2004 | US6795587 Image resizing using short asymmetric FIR filters |
| 09/21/2004 | US6795558 Microphone array apparatus |
| 09/16/2004 | WO2004079905A1 Digital filter design method and device, digital filter design program, digital filter |
| 09/16/2004 | WO2004079901A2 Digital filter and listening device |
| 09/16/2004 | US20040181564 SIMD supporting filtering in a video decoding system |
| 09/15/2004 | EP1458097A1 Arbitrary sampling rate conversion |
| 09/15/2004 | CN1529412A Sub-sample interpolation filter method |
| 09/15/2004 | CN1166726C Process for applying polysilicate barrier coating upon polylefin objects and the articles produced thereby |
| 09/14/2004 | US6792444 Filter devices and methods |
| 09/14/2004 | US6792440 Fir filter tap architecture for highly dense layout |
| 09/14/2004 | US6792057 Partial band reconstruction of frequency channelized filters |
| 09/14/2004 | US6791386 Clock controlling method and circuit with a multi-phase multiplication clock generating circuit |
| 09/14/2004 | US6791385 Clock controlling method and circuit |
| 09/10/2004 | WO2004077670A1 Nonlinear filter |
| 09/10/2004 | WO2004077408A1 Band correcting apparatus |
| 09/10/2004 | WO2004008502A3 Multirate processing for metrology of plasma rf source |
| 09/09/2004 | US20040177103 Method and system for efficient and accurate processing of a discrete time input signal |
| 09/08/2004 | EP1454261A1 Parallel decimation circuits |
| 09/08/2004 | EP1135853B1 Integrated frequency translation and selectivity with a variety of filter embodiments |
| 09/08/2004 | CN1527515A Signal-to-jamming ratio evaluating method |
| 09/08/2004 | CN1166058C Method and device for implementing N-order interpolating filter |
| 09/08/2004 | CN1165892C Method and apparatus for periodicity enhancement in decoding wideband signals |
| 09/08/2004 | CN1165891C High frequency content recovering method and device for over-sampled synthesized wideband signal |
| 09/07/2004 | US6788738 Filter accelerator for a digital signal processor |
| 09/07/2004 | US6788736 Matched filter |
| 09/07/2004 | US6788662 Method for adaptive reverse power control for spread-spectrum communications |
| 09/07/2004 | US6788236 Method and system for implementing a sigma delta analog-to-digital converter |
| 09/07/2004 | US6788233 Digital decimation filter |
| 09/07/2004 | US6788123 Unity gain interpolator for delay locked loops |
| 09/07/2004 | CA2139511C Digital filter having high accuracy and efficiency |
| 09/02/2004 | US20040172659 Arrangement for reduction of noise transmitted from a local cable tv network |
| 09/02/2004 | US20040172434 Digital filter and its designing method |
| 09/02/2004 | US20040172433 Square root raised cosine symmetric filter for mobile telecommunications |
| 09/02/2004 | US20040170223 Reconfigurable fir filter |
| 09/02/2004 | US20040169945 Signal processing apparatus and method, and digital date reproducing apparatus |
| 09/01/2004 | EP1452075A1 Device and method for operating a discharge lamp |
| 09/01/2004 | EP1451993A1 Multirate digital transceiver |
| 09/01/2004 | EP1192714B1 Reduced power matched filter using precomputation |
| 09/01/2004 | CN1525769A Quick implement method of multicarrier filter bank |
| 09/01/2004 | CN1525642A Reconfigurable fir filter |
| 08/26/2004 | US20040165660 Adaptive clock-less equalizer circuit |
| 08/26/2004 | US20040164791 Nonlinear filter |
| 08/25/2004 | EP1450485A2 Signal processing method and program, recording medium storing the program and signal processor |
| 08/25/2004 | EP1449298A1 Time discrete filter comprising upsampling, sampling rate conversion and downsampling stages |
| 08/25/2004 | CN1524354A A finite impulse responding digital filter |
| 08/25/2004 | CN1164035C Sampling rate converter |
| 08/24/2004 | US6782105 Reflection sound generator with series of main and supplementary FIR filters |
| 08/19/2004 | US20040162708 Signal-processing method, signal-processing program, recording medium storing the signal-processing program and signal processor |
| 08/19/2004 | US20040162691 Digital group delay compensator |
| 08/19/2004 | US20040161114 Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing mehtod |
| 08/18/2004 | CN1162975C Oversampling processing circuit and D-A converter |
| 08/17/2004 | US6778858 Cochlear implant |
| 08/17/2004 | US6778601 Adaptive audio equalizer apparatus and method of determining filter coefficient |