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)
11/1999
11/30/1999US5995542 Filter circuit arrangement having a plurality of cascaded FIR filters
11/30/1999US5995493 Transmission of a digital information signal having a specific first sampling frequency
11/30/1999US5995163 Median filter with embedded analog to digital converter
11/30/1999US5995030 Apparatus and method for a combination D/A converter and FIR filter employing active current division from a single current source
11/25/1999WO1999060701A1 Method and device for filtering a digital signal with fractional delay
11/24/1999EP0958655A1 Programmable analog bandpass filtering apparatus and method and design method for a discrete time filter
11/24/1999EP0784816A4 A fast and efficient median search method and filter
11/24/1999EP0648385B1 Signal processing
11/24/1999CN1236222A Method and apparatus for sampling-rate conversion of audio signals
11/17/1999EP0957580A1 Method and apparatus for sampling-rate conversion of audio signals
11/17/1999EP0957579A1 Method and apparatus for sampling-rate conversion of audio signals
11/17/1999CN1235457A Adaptive equalizer
11/17/1999CN1046608C Apparatus and method for data compression using signal-weighted quantizing bit allocation
11/16/1999US5987487 Methods and apparatus for the processing of digital signals
11/16/1999US5987143 Method and apparatus for erasing acoustic echo
11/16/1999US5987082 Playback apparatus and playback method
11/16/1999US5986715 Rate converter using a register postfix type transversal filter
11/16/1999US5986589 Multi-stream audio sampling rate conversion circuit and method
11/16/1999CA2196010C Adaptive iir multitone detector
11/10/1999EP0954850A2 Audio processing arrangement with multiple sources
11/09/1999US5983255 Digital filter and control system employing same
11/09/1999US5983254 Zero-latency pipeline architecture for digital filters
11/09/1999US5983139 Cochlear implant system
11/09/1999US5982832 Apparatus and method for compensating for timing and phase error using a poly-phase filter
11/09/1999US5982442 Method and filter for reducing the blocking effect in image transmission and storage
11/09/1999US5982305 Sample rate converter
11/09/1999US5982228 Frequency tuning apparatus and method for continuous-time filters
11/09/1999US5980097 Reduced complexity signal converter
11/09/1999CA2014969C Delay circuit
11/04/1999WO1999056427A2 Sample rate converter using polynomial interpolation
11/03/1999EP0953226A2 Digital signal mixing architecture
11/02/1999US5978823 Methods and apparatus for implementing and controlling a digital modulator
11/02/1999US5978425 Hybrid phase-locked loop employing analog and digital loop filters
11/02/1999US5978420 Methods and apparatus for implementing a digital modulator
11/02/1999US5978415 Automatic amplitude equalizer
10/1999
10/28/1999WO1999054997A1 Method for converting the scanning rate
10/28/1999WO1999054996A1 System for varying the dynamic range of coefficients in a digital filter
10/27/1999CN1233108A Matched filter acting in charge domain
10/27/1999CN1233025A Audio signal processor
10/26/1999US5974193 Relating to noise reduction
10/26/1999US5974156 Circuit arrangement for influencing the frequency response of a digital audio signal
10/26/1999US5974152 Sound image localization control device
10/26/1999US5973753 Method and circuit arrangement for separating luminance and chrominance signals of a CVBS signal
10/26/1999CA2102500C Programmable noise bandwidth reduction by means of digital averaging
10/20/1999CN1232317A Matched filter and signal reception apparatus
10/19/1999US5970094 Adaptive equalizer employing filter input circuit in a circular structure
10/19/1999US5970091 Equalizer having a processing unit for selecting a coefficient out of a coefficient table
10/19/1999US5970071 Method and device for insertion of asynchronous data in a digital signal
10/19/1999US5969570 Reduced-tap filter in a demodulator
10/19/1999US5968111 Circular median filter
10/19/1999US5967993 Vital information processing apparatus
10/14/1999DE19815961A1 Elektronische Schaltung zur Mehrkanalverarbeitung von Grundfunktionen An electronic circuit for multi-channel processing of basic functions
10/14/1999CA2722546A1 Filter for impulse response shortening, with addition spectral constraints, for multicarrier transmission
10/13/1999EP0949773A2 Electronic circuit for multichannel processing of elementary functions
10/13/1999EP0949570A1 Digital matched filter
10/13/1999EP0948839A1 Integrated filter and detection process
10/13/1999EP0664187B1 Grinding tape and method of manufacturing the same
10/12/1999US5966689 Adaptive filter and filtering method for low bit rate coding
10/12/1999US5966314 Finite impulse response filter
10/12/1999US5964865 Object code allocation in multiple processor systems
10/09/1999CA2267598A1 Electronic circuit for multichannel processing of basic functions
10/07/1999WO1999050960A1 Novel equalizer using box-car filters
10/07/1999WO1999050758A1 Efficient decimation filtering
10/06/1999EP0948133A2 Digital filter with efficient quantization circuitry
10/06/1999EP0685127B1 Calculation of a scalar product in a direct-type fir filter
10/05/1999US5963929 For estimating a signal process
10/05/1999US5963593 Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device
10/05/1999US5963160 Analog to digital conversion using nonuniform sample rates
10/05/1999US5963153 Multi-stream audio sampling rate conversion system and method using variable converter rate control data
09/1999
09/30/1999WO1999049574A1 Audio signal processing method and apparatus
09/30/1999WO1999038257A3 Time discrete filter
09/28/1999US5960091 Adaptive removal of resonance-induced noise
09/28/1999US5960033 Matched filter
09/23/1999WO1999039440A3 Device for processing a digital signal
09/21/1999US5956666 Signal interpolation and decimation exploiting filter symmetry
09/21/1999US5956371 Adaptive equalizing filter of reduced electric power consumption for use in communication system
09/21/1999US5956333 Multi-user demodulator for CDMA spectrum spreading communication
09/21/1999US5956262 Digital filtering device
09/21/1999CA2113606C Transversal filter capable of processing an input signal of high data rate
09/16/1999DE19900991A1 Differentiator in comb filter with reduced hardware extent
09/15/1999EP0942561A2 Adaptive step size for channel estimation
09/15/1999EP0942530A1 Programmable processor circuit comprising a reconfigurable memory for the embodiment of a digital filter
09/15/1999EP0942525A1 Adaptive joint linearization, equalization and delay alignment for a wide-band power amplifier
09/15/1999CN1228650A Matched filter and radio reception apparatus of CDMA communication system
09/14/1999US5953432 Line source speaker system
09/14/1999US5953431 Acoustic replay device
09/14/1999US5953380 Noise canceling method and apparatus therefor
09/14/1999US5952947 Flexible and programmable delta-sigma analog signal converter
09/14/1999US5952876 For filtering a data signal
09/14/1999US5951626 For synthesizing an approximation of a system
09/14/1999CA2106703C Process and filter for determining the transmittance of a filtering circuit designed to convert the pulse response of a filter into a minimal phase response
09/10/1999WO1999045651A1 Device for signal-processing in time discrete values
09/10/1999WO1999045645A1 Cascading of up conversion and down conversion
09/10/1999WO1999045644A1 Nonlinear system, method of design thereof and computer program product
09/10/1999CA2322440A1 Nonlinear system, method of design thereof and computer program product
09/09/1999DE19854188A1 Digital interpolation filter for an audio coder-decoder
09/09/1999DE19809882A1 Vorrichtung zur Signalverarbeitung von zeitdiskreten Werten Apparatus for signal processing discrete-time values
09/08/1999EP0940009A1 Comb filter
09/08/1999EP0860051B1 Circuit and method for the multiple use of a digital transverse filter
09/08/1999CN1228222A Receiver for independent sideband signals
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