| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 08/13/2008 | CN100411303C Method and apparatus for transformation from impulse code modulation to impulse-width modulation |
| 08/12/2008 | US7411997 Apparatus and method for filtering a spectrum spread communication |
| 08/12/2008 | US7411523 Hardware efficient implementation of finite impulse response filters with limited range input signals |
| 08/06/2008 | EP1952380A2 Interpolation of plotted points between sample values |
| 08/06/2008 | EP1103138B1 Device for digital processing with frequency filtering and reduced computation complexity |
| 08/06/2008 | CN101237225A Frequency shift filter spectrum overlapping signal separation method based on digital signal processor |
| 08/06/2008 | CN101237224A Harmonious wave elimination system and electronic system and method for eliminating total harmonious wave distortion |
| 08/05/2008 | US7409418 Linearly scalable finite impulse response filter |
| 08/05/2008 | US7409417 Polyphase filter with optimized silicon area |
| 08/05/2008 | US7408983 Digital filter |
| 07/31/2008 | WO2008090899A1 Sound adjusting device, sound device, and sound editing program |
| 07/31/2008 | WO2008090897A1 Filter |
| 07/31/2008 | WO2008090896A1 Acoustic adjustment method |
| 07/31/2008 | WO2008090822A1 Noise removing device, weight measuring device, noise removing method, and digital filter designing method |
| 07/31/2008 | WO2008073183A3 Method and apparatus for a multi-mode multi-rate telemetry transmitter |
| 07/30/2008 | EP1829211B1 Multi-step non-linear time-discrete processing |
| 07/30/2008 | CN101233686A Digital filter |
| 07/30/2008 | CN101232277A Sampling frequency converting apparatus |
| 07/30/2008 | CN101232272A Filter circuit |
| 07/29/2008 | US7406493 Up-sampling half-band reconstruction filtering |
| 07/29/2008 | US7406492 Digital filter combination for interpolation |
| 07/29/2008 | US7406140 Wraparound canceller, relay system, and wraparound cancelling method |
| 07/29/2008 | US7406121 Adaptive clock-less equalizer circuit |
| 07/29/2008 | US7406113 Integrated circuit for code acquisition |
| 07/24/2008 | US20080173104 Systems and methods to determine elastic properties of materials |
| 07/23/2008 | CN101227179A Apparatus and method for intercepting input signal |
| 07/22/2008 | US7403963 Re-sampling with an arbitrary scaling ratio |
| 07/22/2008 | US7403962 Interpolation filter design and application |
| 07/22/2008 | US7403577 Generalized polyphase channelization system |
| 07/22/2008 | CA2340759C Process for applying polysilicate barrier coatings upon polyolefin objects and the articles produced thereby |
| 07/17/2008 | WO2008085448A1 Common mode adaptive equalization |
| 07/16/2008 | EP1943730A1 Reduction of digital filter delay |
| 07/16/2008 | CN101222213A Interpolation CIC wave filter based on programmable logic device and its implementing method |
| 07/15/2008 | US7400676 Tone quality adjustment device designing method and designing device, tone quality adjustment device designing program, and tone quality adjustment device |
| 07/10/2008 | WO2008037876A3 Correction of electrocardiographic signals modified by filters in measurement devices |
| 07/10/2008 | DE102007001281A1 Electronic measuring instrument for representation of signal processing, has trigger system and variable functions for connection of low frequencies and high frequencies |
| 07/10/2008 | DE102006007779B4 Filterbank-Anordnung und Signalverarbeitungs-Vorrichtung Filter bank arrangement and signal processing device |
| 07/09/2008 | EP1942581A1 Signal receiving apparatus including equalizer, terminal apparatus, signal receiving method, and signal receiving program |
| 07/09/2008 | EP1306830B1 Digital signal processing method, learning method, apparatuses for them, and program storage medium |
| 07/09/2008 | CN201084874Y A two-way wave filter |
| 07/09/2008 | CN101217620A A self-adapting video image zooming engine based on polyphase filter technology |
| 07/09/2008 | CN101217269A A digital filtering method applied on course angle |
| 07/09/2008 | CN101217268A A complex wavelet transformation circuit on number field simulation |
| 07/09/2008 | CN100401640C Decimation filtering apparatus and method |
| 07/08/2008 | US7398288 Efficient implementation of a filter |
| 07/08/2008 | US7397404 Digital linearizing system |
| 07/03/2008 | WO2008030736A3 Real-time sample rate converter having a non-polynomial convolution kernel |
| 07/03/2008 | US20080159386 Loop-filtering method for image data and apparatus therefor |
| 07/02/2008 | EP1940023A2 Bank of cascadable digital filters, and reception circuit including such a bank of cascaded filters |
| 07/02/2008 | CN101211177A Filter technique based numerical control system acceleration and deceleration control method |
| 07/01/2008 | US7395290 Digital filter and method thereof using frequency translations |
| 07/01/2008 | US7394735 Apparatus and method of updating filter tap coefficients of an equalizer |
| 06/26/2008 | WO2008075268A1 Mri system with direct digital receiver using resampling |
| 06/26/2008 | US20080155001 Method for efficient and zero latency filtering in a long impulse response system |
| 06/25/2008 | EP1934715A2 Programmable digital filter |
| 06/25/2008 | CN101207372A Apparatus and method for implementation of fixed decimal sampling frequency conversion |
| 06/25/2008 | CN101206259A Method for capturing multi-constellation navigation weak signal based on digital matched filter |
| 06/25/2008 | CN100397913C Error feedback type high-order Delta Epsilon modulator realised by using CSD method |
| 06/25/2008 | CN100397390C Digital frequency response compensator and arbitrary response generator system |
| 06/19/2008 | WO2008073528A1 Method and apparatus for detecting the presence of a signal in a frequency band using non-uniform sampling |
| 06/19/2008 | WO2008072701A1 Post filter and filtering method |
| 06/18/2008 | EP1933459A1 Linearity corrector using filter products |
| 06/18/2008 | EP1933458A1 Resynchronisation of temporarily acquired engine signals |
| 06/18/2008 | CN101202593A Method and system for processing multi-rate audio from a plurality of audio processing sources |
| 06/18/2008 | CN101201376A Method for automatically recognizing digital signal polarity |
| 06/12/2008 | WO2008068668A2 High pass filter |
| 06/11/2008 | EP1929636A1 Digital-to-analog converter of the finite impulse response type |
| 06/11/2008 | EP1728347A4 Multiple-stage filtering device and method |
| 06/11/2008 | CN101197800A Information processing device and information processing method |
| 06/10/2008 | US7386581 Performance FIR filter |
| 06/10/2008 | US7386069 Multiple simultaneous frequency and code acquisition for a code division multiple access (CDMA) communication system |
| 06/05/2008 | WO2008005151A8 Digital non-integer sample/hold implemented using virtual filtering |
| 06/04/2008 | CN101192910A A time division duplex digital filter |
| 06/04/2008 | CN101192819A Micro-wave mm wave broadband and low consumption digital analog compatible phase shifter |
| 06/03/2008 | US7383079 Nonlinear method and apparatus for electrocardiogram pacemaker signal filtering |
| 05/29/2008 | WO2008045713A3 Methods and systems for implementing a digital-to-analog converter |
| 05/28/2008 | EP1925076A1 Method and arrangement for adjusting an output impedance of a power amplifier |
| 05/28/2008 | EP1312164B1 Method for efficient and zero latency filtering in a long impulse response system |
| 05/28/2008 | CN101189794A Digital high-pass filter for a displacement detection device of a portable apparatus |
| 05/28/2008 | CN101188410A One-order lag digital filtering algorithm for intelligent transformer |
| 05/28/2008 | CN101187567A Optical fiber gyroscope strap-down inertial navigation system initial posture determination method |
| 05/28/2008 | CN100391280C Linear phase digital filter and method for realizing filter coefficient of the same |
| 05/28/2008 | CN100391137C Phase adjustable baseband filtering optimization implementing method and its equipment |
| 05/28/2008 | CN100391102C Sound quality adjusting device and filter device therefor |
| 05/27/2008 | US7378995 Low-complexity sampling rate conversion method and apparatus for audio processing |
| 05/21/2008 | EP1606875B1 Systems and methods for protection of audio amplifier circuits |
| 05/21/2008 | EP1269345B1 Wave digital filter |
| 05/21/2008 | CN201063592Y Digital phase shift device implementing by D/A converter |
| 05/20/2008 | US7376690 Time discrete filter comprising upsampling, sampling rate conversion and downsampling stages |
| 05/20/2008 | US7376282 Method for designing nearly circularly symmetric descreening filters that can be efficiently implemented in VLIW (very long instruction word) media processors |
| 05/20/2008 | US7375767 Method of converting resolution of video signals and apparatus using the same |
| 05/20/2008 | CA2563021C Improved frame structure for an adaptive modulation wireless communication system |
| 05/15/2008 | DE102006053511A1 Digital band pass-finite impulse response filtering method for electronic circuit, involves providing cascade with transfer function, where cascade is responsible for forming envelope curve of impulse response e.g. Gaussian impulse response |
| 05/15/2008 | DE102006053510A1 Digital non-recursive signal processing method for use in e.g. fundamental electronic circuits, involves correlating algorithm of process and type of filter such as low pass, band pass and crest-filters, by selecting values in expression |
| 05/15/2008 | DE102006053508A1 Digital signal e.g. finite impulse response signal, processing method for use in e.g. finite impulse response filter, involves processing signal, where two sets of factors are based on respective real and complex poles of transfer function |
| 05/14/2008 | CN101180796A Interpolation process circuit |
| 05/14/2008 | CN101178382A Peak value width polymerization filtering methods using circumference coordinates system |
| 05/13/2008 | US7373367 Efficient digital filter design tool for approximating an FIR filter with a low-order linear-phase IIR filter |
| 05/13/2008 | US7372907 Efficient and flexible oversampled filterbank with near perfect reconstruction constraint |
| 05/08/2008 | US20080109574 Method and system for synchronizing audio processing modules |