| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 08/10/2011 | CN201928246U Phase-control device for phase shifter |
| 08/10/2011 | CN201928245U 用于音频σ-δ模数转换器的数字滤波装置及模数转换器 Digital filtering means, and analog to digital converter for analog-audio σ-δ |
| 08/10/2011 | CN201928244U 一种数控衰减电路 A digital variable attenuator circuit |
| 08/10/2011 | CN102148492A Method for acquiring control input signal of subsynchronous oscillation suppression and control device |
| 08/10/2011 | CN101710825B Adaptive filter, implementation method thereof and repeater |
| 08/10/2011 | CN101677246B Digital-to-analogue conversion system with sampling frequency conversion and sampling frequency conversion method thereof |
| 08/03/2011 | EP2351232A1 Multi-channel receiver architecture and reception method |
| 08/02/2011 | US7991813 Methods and systems for efficient filtering of digital signals |
| 07/28/2011 | WO2011090110A1 Sampling rate conversion device, and sampling rate conversion method |
| 07/28/2011 | WO2011089981A1 Signal generation device and signal generation method |
| 07/27/2011 | EP2347517A2 Transceiver having multistage channel filter in wireless communication system |
| 07/27/2011 | CN101645701B Time delay estimation method based on filter bank and system thereof |
| 07/21/2011 | WO2011085947A1 Sampling rate converter data flow control mechanism |
| 07/20/2011 | EP2345218A1 Methods and systems for programmable digital up-conversion |
| 07/20/2011 | EP1400016B1 Reconfigurable digital filter having multiple filtering modes |
| 07/20/2011 | CN1862960B Fraction double interpolation multi-phase filter and filtering method |
| 07/20/2011 | CN1658501B Filter device and method of acquiring filter coefficients |
| 07/20/2011 | CN102130665A Method for acquiring modal signals of shaft system of wind turbine generator system based on coordinate transformation |
| 07/20/2011 | CN102130664A Data rate conversion device and method |
| 07/19/2011 | US7983772 Method and system for synchronizing audio processing modules |
| 07/14/2011 | DE102009055889A1 Signal processing circuit for creation of speaker signal in mobile radio terminal, has adaptation block using new coefficients in set of coefficients so that resulting transfer functions of filters are provided inverse to each other |
| 07/13/2011 | CN201897731U Warship attitude sensor based on infinite impulse response digital filtering technique |
| 07/13/2011 | CN102124650A Signal processing circuit |
| 07/13/2011 | CN102124649A Vector synthesis type phase shifter, optical transceiver, and control circuit correction |
| 07/06/2011 | EP2341621A2 Method and arrangement for sampling rate conversion |
| 07/06/2011 | CN1993787B Thinning filter and test apparatus |
| 07/06/2011 | CN102118166A Method for converting analog data into digital data for analog input module |
| 07/06/2011 | CN102118145A Improved speed-limiting filtering method |
| 06/30/2011 | WO2009089373A3 Video coding with compression of filter coefficients depending on horizontal and vertical symmetry of the filter tap matrix and the position of a filter tap relative to the central tap |
| 06/29/2011 | CN201887730U Program-controlled filtering device |
| 06/29/2011 | CN102113215A Optimizing processor operation in a processing system including one or more digital filters |
| 06/29/2011 | CN102111124A Film bulk acoustic resonator (FBAR) filter and components thereof |
| 06/23/2011 | US20110150495 Vector sum phase shifter, optical transceiver, and control circuit |
| 06/22/2011 | EP2337224A2 Filter unit and method for generating subband filter impulse responses |
| 06/22/2011 | EP2337223A2 Efficient filtering with a complex modulated filterbank |
| 06/22/2011 | CN1659782B Adaptive multistage wiener filter |
| 06/22/2011 | CN102104385A Interpolation filter for sigma-delta DAC and stereo sigma-delta DAC |
| 06/22/2011 | CN101071569B Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 06/21/2011 | US7966360 Finite impulse response filter and digital signal receiving apparatus |
| 06/21/2011 | US7966134 Systems and methods to determine elastic properties of materials |
| 06/16/2011 | WO2011069229A1 Virtual weaver architecture filter |
| 06/16/2011 | DE102007060209B4 Auf Fractional-Delay-Filter basierte Beamforming-Vorrichtung, die Nachfiltern verwendet On fractional delay filter based beamforming apparatus using postfiltering |
| 06/15/2011 | CN1894855B System and method for detection of amplitude limit and modification of signal |
| 06/15/2011 | CN102098026A Active low-pass digital filter realized by using digital processing unit |
| 06/15/2011 | CN102098025A Design method and design device for cascade filter |
| 06/15/2011 | CN101577535B Device and method for sample rate conversion |
| 06/15/2011 | CN101394163B Signal conditioning circuit and dual sampling-hold circuit |
| 06/15/2011 | CN101076955B Method for calculating filter coefficient for equalizer |
| 06/14/2011 | US7961226 System for adapting device standards after manufacture |
| 06/08/2011 | CN201860328U Digital repeater of in-band fluctuation compensation |
| 06/08/2011 | CN201860303U Digital filter circuit |
| 06/08/2011 | CN102088277A Finite pulse response filter and filtering method thereof |
| 06/08/2011 | CN101494448B Serial self-adapting noise elimination module based on FPGA design |
| 06/08/2011 | CN101442297B Digital decimation filter |
| 06/08/2011 | CN101189794B A displacement detection device and a portable apparatus including same |
| 06/03/2011 | WO2011065287A1 Demultiplexing device, multiplexing device and relay device |
| 06/03/2011 | CA2782338A1 Demultiplexing device, multiplexing device, and relay device |
| 06/01/2011 | CN201854251U High-speed real-time band rejection filter based on CPLD (complex programmable logic device) |
| 06/01/2011 | CN102082559A Method for realizing linear phase IIR (infinite impulse response) filter |
| 05/26/2011 | WO2011061830A1 Digital signal processing device and digital signal processing method |
| 05/25/2011 | EP2326002A1 Vector synthesis type phase shifter, optical transceiver, and control circuit |
| 05/18/2011 | EP2323292A1 Resampler with automatic detecting and adjusting the resampling ratio |
| 05/18/2011 | CN1975905B Phase adjustment circuit |
| 05/18/2011 | CN1909064B Time-domain blind separating method for in-line natural voice convolution mixing signal |
| 05/18/2011 | CN102064797A Parallel implementation method and device for fractional sampling rate transformation |
| 05/18/2011 | CN102064796A Simplified weighted repeat pseudo-median filtering method with negative coefficients |
| 05/18/2011 | CN101276267B Random number generator based on oscillator noise |
| 05/11/2011 | EP2319177A1 Filtering device with a hierarchical structure, and reconfigurable filtering device |
| 05/11/2011 | EP0969692B1 Device and method for processing speech |
| 05/11/2011 | CN102055435A Narrow-band digital filter |
| 05/11/2011 | CN102055434A Method for designing digital filter applied in inertia device |
| 05/10/2011 | US7940839 Fully adaptive equalization for high loss communications channels |
| 05/04/2011 | EP1368897B1 Apparatus and method for adjusting filter frequency in relation to sampling frequency |
| 05/04/2011 | CN102045040A Multi-rate filter tank |
| 05/03/2011 | CA2360061C Sequential-acquisition, multi-band, multi-channel, matched filter |
| 04/28/2011 | DE102010032296A1 Verfahren zur Verarbeitung eines einen analog bestimmten Wert für Ausgangsstrom eines Umrichters darstellenden Messwertsignals und Vorrichtung zur Durchführung des Verfahrens A method for processing a particular value for an analog output current of an inverter performing measurement value signal and device for carrying out the method |
| 04/28/2011 | DE102009009565B4 Empfängerschaltung, Verwendung und Verfahren zum Empfang für ein codiertes und moduliertes Funksignal Receiver circuit, use and method for receiving a coded and modulated radio signal |
| 04/27/2011 | EP2315353A1 Filter |
| 04/27/2011 | EP2313974A1 Optimizing processor operation in a processing system including one or more digital filters |
| 04/27/2011 | CN102035503A Filtering device and filtering method of cascaded integral comb filter |
| 04/27/2011 | CN102035502A Implementation structure of finite impulse response (FIR) filter |
| 04/27/2011 | CN101295969B Design method of high-order limited impulse response digital filter |
| 04/20/2011 | EP2097981B1 Method and apparatus for detecting the presence of a signal in a frequency band using non-uniform sampling |
| 04/20/2011 | EP1286619B1 Variable mode averager |
| 04/20/2011 | CN102025377A Improved cascaded integral comb interpolation filter |
| 04/20/2011 | CN102025344A FIR (Finite Impulse Response) filter design method and equipment thereof |
| 04/20/2011 | CN102025343A Filtering method and device |
| 04/19/2011 | US7929498 Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
| 04/13/2011 | CN1578138B FIR filter, its coefficient storage method and network echo elimination unit |
| 04/06/2011 | EP2306644A1 Efficient filtering with a complex modulated filterbank |
| 03/31/2011 | WO2010094710A3 Low delay modulated filter bank |
| 03/30/2011 | EP2301463A1 Automatic control circuit for use in an electrosurgical generator |
| 03/30/2011 | EP2301152A1 System and method for processing a signal with a filter employing fir and iir elements |
| 03/30/2011 | CN101997516A Method for designing combined filter based on improved back propagation (BP) neutral network |
| 03/30/2011 | CN101540595B Multistage mean value digital filter and filtering method |
| 03/23/2011 | EP2299368A1 Audio processing device and audio processing method |
| 03/23/2011 | EP1977510B1 Efficient filtering with a complex modulated filterbank |
| 03/23/2011 | CN101989847A Numerical value judging device |
| 03/16/2011 | EP2296272A2 Method for detecting and filtering a random noise signal |
| 03/16/2011 | CN1897113B Audio signal separation device and method thereof |