| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 05/10/2006 | EP1655841A2 Calibration system and method for a linearity corrector using filter products |
| 05/10/2006 | EP1655838A2 Linearity corrector using filter products |
| 05/10/2006 | EP1360761A4 N dimensional, non-linear, static, adaptive, digital filter design using d scale non-uniform sampling |
| 05/10/2006 | CN1771665A Bi-quad digital filter configured with a bit binary rate multiplier |
| 05/10/2006 | CN1770879A Equipment for calculating approximate range of vector showing by sampling signals |
| 05/10/2006 | CN1255935C Generating two signals having mutual phase difference of 90 degree |
| 05/09/2006 | US7043520 High-speed/low power finite impulse response filter |
| 05/09/2006 | US7043513 Clock balanced segmentation digital filter provided with optimun area of data path |
| 05/09/2006 | US7043512 Filter bank approach to adaptive filtering method using independent component analysis |
| 05/04/2006 | WO2006046709A1 Receiving device |
| 05/03/2006 | CN1768477A A FIR filter device for flexible up- and downsampling |
| 05/03/2006 | CN1768476A Up and down sample rate converter |
| 05/03/2006 | CN1254818C Optical disc reproducing apparatus |
| 05/02/2006 | US7038606 Digital signal processing device and audio signal reproduction device |
| 05/01/2006 | CA2483593A1 Multipath logic for error correction in the demodulation of encoded signals in transmission links |
| 04/27/2006 | WO2006044607A1 Filters for communication systems |
| 04/27/2006 | DE69925628T2 Fir-filterstruktur mit geringer latenzzeit, zur andwendung bei gigabit-ethernet Fir filter structure with low latency time for gigabit ethernet with USAGE |
| 04/27/2006 | DE19510656B4 Schaltungsanordnung und Verfahren zum Filtern quantisierter elektrischer Signale Circuit arrangement and method for filtering quantized electrical signals |
| 04/27/2006 | DE19510655B4 Schaltungsanordnung zum Filtern eines Stroms quantisierter elektrischer Signale und Verfahren zum Filtern eines Stoms quantisierter elektrischer Signale Circuit arrangement for filtering a stream of electrical signals quantized and method for filtering a Stoms quantized electrical signals |
| 04/26/2006 | EP1650869A1 A device for implementing a sum of products expression |
| 04/26/2006 | EP1092269B1 Method for selective filtering |
| 04/26/2006 | CN1765051A Sampling rate conversion device and method, and audio device |
| 04/25/2006 | US7035888 Digital sampling rate converter for compensation for drop of in-band signal |
| 04/25/2006 | US7035416 Microphone array apparatus |
| 04/25/2006 | US7035328 Method of slewing a digital filter providing filter sections with matched gain |
| 04/25/2006 | US7034731 A/D converter apparatus and D/A converter apparatus including a digital filter |
| 04/25/2006 | US7034592 Clock controlling method and circuit |
| 04/25/2006 | CA2263572C Method for inharmonic tone generation using a coupled mode digital filter |
| 04/19/2006 | EP1520343B1 Frequency content separation using complex frequency shifting converters |
| 04/19/2006 | EP0990305B1 System for varying the dynamic range of coefficients in a digital filter |
| 04/18/2006 | US7031690 Polyphase filter with low-pass response |
| 04/18/2006 | US7031535 Image processing apparatus capable of interpolating error data |
| 04/18/2006 | US7031460 Telephonic handset employing feed-forward noise cancellation |
| 04/18/2006 | US7031412 Digital signal processing apparatus |
| 04/18/2006 | US7030798 State-delayed technique and system to remove tones of dynamic element matching |
| 04/13/2006 | WO2005055124A3 Signal filtering using orthogonal polynomials and removal of edge effects |
| 04/13/2006 | WO2005008374A3 Single instruction multiple data implementations of finite impulse response filters |
| 04/13/2006 | DE102005022586A1 Digitalauslöserfilter für ein Echtzeitdigitaloszilloskop Digital timer filter for a Echtzeitdigitaloszilloskop |
| 04/13/2006 | DE102004008227B4 Polyphasen-Auswahl in Dezimationseinrichtungen von Mobilfunkempfängern zum Ausregeln einer fraktionalen Verzögerung Polyphase selection in Dezimationseinrichtungen of mobile receivers for regulating on a fractional delay |
| 04/12/2006 | CN1758536A Industry frequency automatic tracking filtering method and device |
| 04/12/2006 | CN1251467C Transmission of digital information signal having specific first sampling frequency |
| 04/12/2006 | CN1251418C Method and device for synchronization mobile telephone receivers in a mobile telephone system |
| 04/12/2006 | CN1251177C Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices |
| 04/12/2006 | CN1251176C Transmission system including at least a coder |
| 04/11/2006 | US7028070 High speed filter |
| 04/11/2006 | US7028062 FIR filter, method of operating the same, semiconductor integrated circuit including FIR filter, and communication system for transmitting data filtered by FIR filter |
| 04/11/2006 | US7028061 FIR filter and setting method of coefficient thereof |
| 04/11/2006 | US7028060 Method and apparatus for jointly optimizing linear signal processing filters with subband filters |
| 04/11/2006 | US7027962 System and method for self-configuring and self-optimizing filters |
| 04/11/2006 | US7027502 Run-time coefficient generation for digital filter with slewing bandwidth |
| 04/11/2006 | US7027498 Data adaptive ramp in a digital filter |
| 04/11/2006 | CA2180100C Higher order digital phase loop filter |
| 04/06/2006 | WO2005094536A3 Digital linearizing system |
| 04/06/2006 | WO2004034624A3 Digital group delay compensator |
| 04/06/2006 | US20060072379 Adaptive equalization circuit and adaptive equalization method |
| 04/05/2006 | EP1643642A1 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 04/05/2006 | EP1221198B1 A simplified digital fir filter for direct sequence spread spectrum communication systems |
| 04/05/2006 | EP1220462B1 Correlator |
| 04/05/2006 | CN1757162A Digital filter design method and device, digital filter design program, digital filter |
| 04/04/2006 | US7024447 Time continuous FIR filter to implement a hilbert transform and corresponding filtering method |
| 04/04/2006 | US7024440 Method and system for processing a discrete time input signal where the clock rate of a discrete time output signal is a multiple of the clock rate of input signal samples |
| 04/04/2006 | US7023947 Data reproduction apparatus |
| 03/30/2006 | US20060069708 Broad-dynamic filtering procedure for a recursive digital filter installed in a signal processor (DSP) operating with integers |
| 03/29/2006 | EP1641120A2 Aliasing reduction using complex-exponential modulated filterbanks |
| 03/29/2006 | EP1639703A2 Rational sample rate conversion |
| 03/29/2006 | CN1754315A Nonlinear filter |
| 03/29/2006 | CN1754205A Band correcting apparatus |
| 03/29/2006 | CN1753306A 滤波装置 Filtering device |
| 03/28/2006 | US7020294 Method for active noise cancellation using independent component analysis |
| 03/28/2006 | US7020111 System for using rapid acquisition spreading codes for spread-spectrum communications |
| 03/23/2006 | US20060062337 Filter device |
| 03/22/2006 | CN1750156A method for regulating digital filter and relative device |
| 03/21/2006 | US7016926 Low power CSD linear phase FIR filter architecture using vertical common subexpression and filter design method therefor |
| 03/21/2006 | US7016487 Digital echo cancellation device |
| 03/21/2006 | US7016400 Digital matched filter despreading received signal and mobile wireless terminal using digital matched filter |
| 03/16/2006 | US20060056553 Multirate filter as well as display system and mobile telephone comprising said multirate filter |
| 03/16/2006 | DE102004042368A1 Digitales Filter zur sendeseitigen Pulsformung Digital filter for transmitting side pulse shaping |
| 03/16/2006 | DE102004036994A1 Digitaler Hochfrequenzeingangsbereich mit kleiner Zwischenfrequenz mit mehreren Modi und entsprechendes Verfahren Digital RF input area with small intermediate frequency with multiple modes and corresponding method |
| 03/15/2006 | EP1635461A1 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 03/15/2006 | EP1634279A1 Device for the temporal compression or expansion of samples, associated method and sequence of samples |
| 03/15/2006 | EP1125274B1 Digital audio signal processing apparatus comprising a delay line |
| 03/09/2006 | WO2006025332A1 Sampling rate conversion calculating apparatus |
| 03/09/2006 | US20060053186 Methods and systems for efficient filtering of digital signals |
| 03/09/2006 | US20060053018 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 03/08/2006 | EP1350224B1 Multiplierless pyramid filter |
| 03/08/2006 | EP0985328B1 Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signals in hearing aids |
| 03/08/2006 | CN1744436A Digital filter for transmission-end pulse shaping |
| 03/08/2006 | CN1744435A Frequency rectification system, apparatus and method |
| 03/07/2006 | US7010557 Low power decimation system and method of deriving same |
| 03/07/2006 | US7010024 Matched filter and spread spectrum receiver |
| 03/02/2006 | WO2006022382A1 Digital filter |
| 03/01/2006 | EP1630958A2 A minimal area integrated circuit implementation of a polyphase interpolation filter using coefficients symmetry |
| 03/01/2006 | EP1187333B1 Oversampling circuit and digital/analog converter |
| 03/01/2006 | CN1244242C Digital filter of mobile communication system and its operation method |
| 03/01/2006 | CN1244241C Method of optimizing the search of cells in a mobile telecommunication network |
| 02/28/2006 | US7007053 Area efficient realization of coefficient architecture for bit-serial FIR, IIR filters and combinational/sequential logic structure with zero latency clock output |
| 02/28/2006 | US7007052 Efficient real-time computation |
| 02/23/2006 | DE102004039725A1 Rauschformerschaltung und Verfahren zum Reduzieren eines Schaltgeräusches Noise shaping circuit and method for reducing noise of a switching |
| 02/22/2006 | EP1628397A1 Audio quality adjustment device |
| 02/22/2006 | CN1738198A LMS self-adaptive filter |