Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 17 - Networks using digital techniques
Patents for H03H 17 - Networks using digital techniques (9,654)
12/2005
12/07/2005EP1602259A2 Digital filter and listening device
12/07/2005EP1374399B1 Aliasing reduction using complex-exponential modulated filterbanks
12/07/2005CN1706101A Digital filter design method and device, digital filter design program, and digital filter
12/07/2005CN1706100A Digital filter design method and device, digital filter design program, and digital filter
12/07/2005CN1705228A Signal processor
12/07/2005CN1230984C Basic digital accentuator using arithmetic processor
12/06/2005US6973468 Data interpolating device and method, sampling function generating device, data interpolating program, and recorded medium
12/06/2005US6973146 Resampler for a bit pump and method of resampling a signal associated therewith
12/06/2005US6973135 Reduced delay implementation of fourier transform based channelizers and de-channelizers
12/01/2005US20050267924 Interpolation filter design and application
12/01/2005US20050267695 Systems and methods to determine elastic properties of materials
12/01/2005US20050265497 Signal processor
12/01/2005US20050265430 System for using rapid acquisition spreading codes for spread-spectrum communications
11/2005
11/30/2005CN1703835A Method and apparatus for processing an amplitude modulated (AM) signal
11/29/2005US6970511 Interpolator, a resampler employing the interpolator and method of interpolating a signal associated therewith
11/24/2005WO2005112267A1 Signal processor
11/24/2005US20050262177 Efficient real-time computation of FIR filter coefficients
11/24/2005US20050262176 Polyphase filter with optimized silicon area
11/24/2005US20050259833 Frequency responses, apparatus and methods for the harmonic enhancement of audio signals
11/23/2005EP1208722B1 Hearing aid digital filter
11/23/2005CN1228996C Equipment for providing high tone quality by utilizing intermediate value filter in sound system
11/22/2005US6968353 Interpolator and interpolation method when interpolating a digital input signal sequence at interpolation instants prescribed by a control signal
11/22/2005US6968352 Device for digital processing with frequency filtering and reduced computation complexity
11/22/2005US6968296 Cable detector with decimating filter and filtering method
11/22/2005US6968000 Filter arrangement with a linear phase characteristic, and method to develop such a filter arrangement
11/17/2005WO2005109640A1 Digital filter design system and method
11/17/2005US20050254483 Network-based control of audio/video stream processing
11/17/2005DE102004019967A1 Signalverarbeitungseinrichtung mit Nachverarbeitung Signal processing means with postprocessing
11/17/2005DE10129926B4 Abtastratenwandlungsapparat und Verfahren dazu Sampling rate conversion apparatus and method thereof
11/16/2005EP1595332A1 Nonlinear filter
11/16/2005CN1227881C Demodulator for processing digital signal and parallel FIR filter
11/15/2005US6965676 Volume-responsive loudness compensation circuits, systems, and methods
11/15/2005US6965635 Matched filter and method for determining correlation
11/15/2005US6965330 System and method for improved quality signal re-sampling using a weighted signal average
11/15/2005US6965259 Clock controlling method and circuit
11/10/2005WO2005107083A2 Simultaneous frequency and code aquisition for a cdma communication
11/10/2005WO2005106872A1 Method and system for synchronizing audio processing modules
11/10/2005US20050249365 Arithmetic operation method and apparatus for mixing audio signals
11/10/2005US20050249320 Method and device for digital filtering of interpolated values
11/10/2005US20050249313 Frequency content separation using complex frequency shifting converters
11/10/2005US20050249273 Method and apparatus for generating filter tap weights and biases for signal dependent branch metric computation
11/10/2005DE102004020278A1 Spektrumanalysator mit hoher Geschwindigkeit und gleichzeitig hoher Auflösung Spectrum analyzer with high speed and high resolution simultaneously
11/09/2005EP1187334B1 Oversampling circuit and digital/analog converter
11/09/2005CN1694485A Multiplierless pyramid filter
11/09/2005CN1226888C Block interpolating filter structure using seeking table
11/08/2005US6963890 Reconfigurable digital filter having multiple filtering modes
11/08/2005US6963889 Wave digital filter with low power consumption
11/03/2005WO2005104365A1 Method and device for designing digital filter, program for designing digital filter, digital filter, method and device for generating numerical sequence of desired frequency characteristics, and program for generating numerical sequence of desired frequency characteristics
11/03/2005WO2005104354A2 Low-complexity nonlinear filters
11/03/2005US20050246404 Digital filter and filtering method
11/03/2005US20050242981 Signal-processing device
11/03/2005DE102004018722A1 Digital, non-linear filtering of input values involves dividing value range into intervals, determining number of values in each interval, computing sums for selected ranges, determining lowest or highest value interval and interpolation
11/03/2005CA2560043A1 Low-complexity nonlinear filters
11/02/2005EP1592282A1 Sound collecting method and sound collecting device
11/02/2005EP1592131A1 Spectrum analyzer having high speed as well as high resolution
11/02/2005CN1691503A Digital filter apparatus and filter processing method thereof
11/02/2005CN1691502A Lattice wave digital filter
11/01/2005US6961742 Signal adaptive filter bank optimization
11/01/2005US6961680 Synthesized high speed digital filters
10/2005
10/27/2005WO2005101229A1 Nonlinear method and apparatus for electrocardiogram pacemaker signal filtering
10/27/2005WO2005089220A3 Multiple-stage filtering device and method
10/27/2005US20050238087 Multiple simultaneous frequency and code acquisition for a code division multiple access (CDMA) communication system
10/26/2005EP1588278A2 Digital pressure derivative method and program storage device
10/26/2005CN1689226A Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
10/26/2005CN1688104A Digital signal processing method and apparatus
10/26/2005CN1225090C One-bit digital signal processing device
10/25/2005US6959317 Method and apparatus for increasing processing performance of pipelined averaging filters
10/25/2005US6959244 Process for generating collision signals
10/25/2005US6959054 Filter bank and receiver for processing continuous phase modulated signals
10/25/2005US6959012 Apparatus for compensating for phase difference attendant upon time division multiplexing and method thereof
10/25/2005US6958661 Variable resistance circuit
10/20/2005WO2005099092A1 Signal processing device and method, and signal decoding device and method
10/20/2005WO2005099086A1 Electronically controlled hybrid digital and analog phase shifter
10/20/2005WO2005098731A2 Systems and methods to determine elastic properties of materials
10/20/2005US20050235023 Efficient digital filter design tool for approximating an FIR filter with a low-order linear-phase IIR filter
10/20/2005US20050235022 Digital filter apparatus and filter processing method thereof
10/20/2005US20050234571 Method and system for synchronizing audio processing modules
10/20/2005US20050234361 Nonlinear method and apparatus for electrocardiogram pacemaker signal filtering
10/20/2005US20050232343 Matched filter system
10/20/2005CA2600196A1 Systems and methods to determine elastic properties of materials
10/19/2005EP1587213A2 Matched filter system
10/18/2005US6956911 Receiver
10/13/2005WO2005094536A2 Digital linearizing system
10/13/2005US20050228840 Lattice wave digital filter
10/13/2005US20050228518 Filter set for frequency analysis
10/13/2005US20050225460 Method of near-unity fractional sampling rate alteration for high fidelity digital audio
10/13/2005DE102005009370A1 Digitales Filter, das ein fortlaufendes Auslesen von Filterkoeffizienten aus einer kontinuierlichen Sequenz von Speicherorten während einer Faltungsberechnung erlaubt Digital filter which allows a continuous read-out of filter coefficients from a continuous sequence of memory locations during a convolution calculation
10/13/2005CA2560568A1 Digital linearizing system
10/12/2005CN1223202C Multiplierless pyramid filter
10/12/2005CN1223087C Spectrum modeling
10/12/2005CN1223086C Method for reducing delay of channelizer and de-channelizer based on Fourier transform
10/11/2005US6954483 Method and device for synchronizing mobile radio receivers in a mobile radio system
10/06/2005US20050223049 Efficient multichannel filtering for CDMA modems
10/06/2005US20050220186 Timing adjustment method and digital filter and receiver using the method
10/06/2005US20050219985 Reproduced signal processor and reproduced signal processing method
10/06/2005US20050219089 Digital linearizing system
10/06/2005US20050219081 Systems, methods and devices for sampling rate conversion by resampling sample blocks of a signal
10/05/2005EP1581996A2 Methods and systems for filtering unwanted noise in a material metering machine
10/05/2005CN1677873A Systems, methods and devices for sampling rate conversion by resampling sample blocks of a signal
10/05/2005CN1677854A Timing adjustment method and digital filter and receiver using the method
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