Patents for H03H 17 - Networks using digital techniques (9,654)
08/2004
08/17/2004US6778600 Method of filtering and apparatus therefore
08/17/2004US6778106 Digital sample sequence conversion device
08/12/2004US20040158594 Two-dimensional pyramid filter architecture
08/12/2004DE10335558B3 Function monitoring method for agricultural machine using evaluation of detected vibration signal via variable filtering dependent on mean rotation rate of working parts
08/12/2004DE10303587A1 Angle-resolving location device for motor vehicles has multi-beam radar sensor, evaluation device has device that filters amplitudes with at least one amplitude received in preceding measurement cycle
08/12/2004DE10303248A1 Signal delay device has register for temporary storage of sampled value(s) of input signal in parallel with memory device; output of temporary storage device is connected to interpolation device
08/11/2004EP1445866A1 Phase-locked loop and communication unit
08/10/2004US6775684 Digital matched filter
08/10/2004US6774822 Method and systems for filtering unwanted noise in a material metering machine
08/05/2004WO2004066501A2 Coding system for minimizing digital data bandwidth
08/05/2004US20040153487 Linearly scalable finite impulse response filter
08/05/2004US20040153484 Fixed-point filter and method
08/05/2004US20040151241 Signal generator using IIR type digital filter and its output stopping method
08/05/2004US20040151104 Waveform equalizer for obtaining a corrected signal and apparatus for reproducing information
08/04/2004EP1443646A2 Multi-dimensional hybrid and transpose form finite impulse response filters
08/04/2004EP1443645A2 Linearly scalable finite impulse response (FIR) filter
08/04/2004EP1442526A1 Method and arrangement for sample-rate conversion
08/04/2004CN1518813A Efficient multicarrer filter
08/04/2004CN1518794A Fractional decimation filter using oversampled data
08/04/2004CN1160866C Oversampling circuit and digital/analog converter
08/04/2004CN1160704C Musical interval changing device
08/04/2004CN1160645C Interpolation circuit
08/03/2004US6772182 Signal processing method for improving the signal-to-noise ratio of a noise-dominated channel and a matched-phase noise filter for implementing the same
08/03/2004US6772181 Apparatus and method for trigonometric interpolation
07/2004
07/29/2004WO2004064261A2 Methods and systems for filtering unwanted noise in a material metering machine
07/29/2004WO2004063835A2 Digital pressure derivative method and program storage device
07/29/2004US20040148323 Multi-dimensional hybrid and transpose form finite impulse response filters
07/29/2004US20040148319 Method and apparatus for digital sample rate conversion
07/29/2004US20040146119 Receiver
07/29/2004US20040146099 Receiver
07/29/2004US20040146095 Filter apparatus, reception apparatus, transmission apparatus, diffusion modulation apparatus, pseudo-random number sequence output apparatus, filter method, reception method, transmission method, diffusion modulation method, pseudo-random number sequence output method, and program
07/29/2004US20040145502 Methods and systems for filtering unwanted noise in a material metering machine
07/29/2004US20040145501 Resampling methods
07/29/2004DE4241130B4 Verfahren und Vorrichtung zur Wiedergabe von vierkanaligen Tonsignalen über einen Zweikanalkopfhörer bzw. über zwei Lautsprecher Method and apparatus for reproducing four-channel audio over a two-channel headphones or two speakers
07/29/2004DE10302635A1 Analog to digital converter and signal conversion process has digital filter with a memory for intermediate storage of digital signals
07/29/2004CA2512828A1 Digital pressure derivative method and program storage device
07/28/2004EP1441440A1 Digital filter and its designing method
07/28/2004EP1440510A1 Multi-bit time delay adjuster unit for high rf applications and method
07/28/2004EP1439779A1 Cardiac event detector
07/28/2004EP1236050B1 Analysing signals
07/28/2004CN1516923A Finite impulse response filter anjd digital receiving apparatus
07/28/2004CN1516877A Filter device and methods
07/28/2004CN1516379A Mobile tenninal, basic station and their synchronous control method
07/28/2004CN1159948C Device and method for processing speech
07/28/2004CN1159845C Filter structure and method
07/27/2004US6768430 System and method for establishing a subsampling rate for repetitive signals
07/22/2004US20040143615 Finite impulse response filter and digital signal receiving apparatus
07/21/2004EP1439637A1 Sytem for data joint-processing
07/21/2004CN1515073A Data Interpolating device and method, sampling function generating device, data interpolating program, and recorded medium
07/21/2004CN1158797C Realizing method of digital match filter for broadband CDMA primary synchronization channel
07/21/2004CN1158772C Oversampling circuit and digital/analog converter
07/20/2004US6766340 Method for filtering signals from nonlinear dynamical systems
07/20/2004US6766339 Method and system for efficient and accurate filtering and interpolation
07/20/2004US6766338 High order lagrange sample rate conversion using tables for improved efficiency
07/20/2004US6766286 Pyramid filter
07/20/2004US6765407 Digital configurable macro architecture
07/15/2004US20040139135 N dimensional non-linear, static, adaptive, digital filter design using d scale non-uniform sampling
07/15/2004US20040138769 Digital amplifier and method for adjusting gain of same
07/15/2004US20040136453 Demodulation apparatus for a network transceiver and method thereof
07/15/2004US20040136268 Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices
07/14/2004CN1157672C Receiver, programmable circuit, and method of calculating digital wave filter
07/13/2004US6763339 Biologically-based signal processing system applied to noise removal for signal extraction
07/13/2004US6763323 Resolution filter for a spectrum analyzer
07/13/2004US6763143 System and method for variably filtering to compensate for a linearly interpolated signal
07/08/2004WO2004057759A1 Digital filter with spatial scalability
07/08/2004WO2004023781A3 Partial band reconstruction of frequency channelized filters
07/08/2004US20040133350 Digital pressure derivative method and program storage device
07/08/2004US20040130371 Unity gain interpolator for delay locked loops
07/07/2004CN1511374A Two-dimensional pyramid filter architecture
07/07/2004CN1511373A Two-dimensional pyramid filter architecture
07/06/2004US6760737 Spatial median filter
07/06/2004US6760450 Microphone array apparatus
07/06/2004US6760379 Cascading of up conversion and down conversion
07/01/2004WO2004055983A1 Digital sampling frequency converter
07/01/2004US20040128333 Method of correcting physical impairments of a programmable filter
07/01/2004US20040128279 Data converter, signal generator, transmitter and communication apparatus using the data converter or the signal generator, and data conversion method
07/01/2004US20040128113 Synthesized high speed digital filters
06/2004
06/30/2004EP1434402A1 Fractional time domain interpolation
06/30/2004EP1434142A1 Method and system to calculate Fractional Fourier Transform
06/30/2004CN1509523A Digita Correlator (JP)
06/30/2004CN1156092C Arrival direction determining method and radio receiving device
06/29/2004US6757326 Method and apparatus for implementing wavelet filters in a digital system
06/24/2004WO2004054103A1 Multirate filter as well as display system and mobile telephone comprising said multirate filter
06/24/2004US20040122879 Digital multirate filtering
06/24/2004US20040122544 Delta-sigma modulator, method of switching delta-sigma modulator, and digital amplifier
06/24/2004US20040122540 Variable digital high and low pass filters
06/24/2004US20040120409 Impulse response shortening and symbol synchronization in OFDM communication systems
06/24/2004US20040120385 Integrated circuit for code acquisition
06/24/2004US20040120361 Asynchronous sample rate converter and method
06/24/2004US20040119618 Integrated circuit for code acquisition
06/23/2004CN1507159A Output wave filter for delta-sigma modulator and digital signal processor with the same output filter
06/22/2004US6754351 Music apparatus with dynamic change of effects
06/22/2004US6754255 Mobile terminal, a base station, and a synchronization control method
06/17/2004WO2004051648A1 Adaptive equalization circuit and adaptive equalization method
06/17/2004WO2004013964A3 Sample rate converter with non-uniform resampling
06/17/2004US20040117424 High-speed/low power finite impulse response filter
06/17/2004US20040117177 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
06/16/2004EP1428388A1 Arrangement for the reduction of noise transmitted from a local cable tv network
06/16/2004CN1505866A Two-dimensional pyramid filter architecture
06/16/2004CN1154242C Digital echo eliminator
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