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)
06/2003
06/24/2003US6584441 Adaptive postfilter
06/24/2003US6584365 Electronic trip device with offset correction means
06/24/2003US6584305 Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band
06/24/2003US6584162 Method and apparatus sample rate conversions in an analog to digital converter
06/24/2003US6584145 Sample rate converter
06/24/2003US6584142 Matched filter
06/18/2003CN1112054C Method and circuit arrangement for separating luminance and chrominance signals of CVBS signal
06/18/2003CN1112041C Multi-mode equalizer system and method in digital video signal processing system
06/17/2003USRE38144 Comb filter
06/17/2003US6581080 Digital filters
06/17/2003US6580764 Channel characteristics estimation apparatus
06/17/2003US6580702 Data transmission apparatus for CDMA communication system and method thereof
06/12/2003WO2003049395A1 Multirate digital transceiver
06/12/2003WO2003049316A1 A limited impulse response digital filter
06/12/2003US20030110194 Parallel decimation circuits
06/12/2003US20030109277 Received signal filtering for enhanced selectivity
06/12/2003US20030108214 Sub-band adaptive signal processing in an oversampled filterbank
06/12/2003US20030107508 Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record medium
06/10/2003US6577676 Digital matched filter
06/05/2003WO2003047320A1 Device and method for operating a discharge lamp
06/05/2003WO2003047097A1 Digital filter designing method, designing apparatus, digital filter designing program, digital filter
06/05/2003WO2003047091A2 A data processing circuit
06/05/2003WO2002078182A3 Two-dimensional pyramid filter architecture
06/05/2003US20030105787 Low power CSD linear phase FIR filter architecture using vertical common subexpression and filter design method therefor
06/05/2003US20030103560 Digital interpolation filter and method of operating the digital interpolation filter
06/05/2003US20030102991 Digital sample frequency converter
06/04/2003EP1316147A1 Method and device for converting a scanning frequency in multistandard systems
06/04/2003CN1422097A Digital filter for reducing voltage peak value
06/04/2003CN1422089A Block interpolating filter structure using seeking table
06/04/2003CN1110898C High speed interpolation filter and its method
06/04/2003CN1110746C 信号处理装置 Signal processing means
06/03/2003US6574649 Efficient convolution method and apparatus
05/2003
05/30/2003WO2003044950A1 Time discrete filter comprising upsampling, sampling rate conversion and downsampling stages
05/29/2003US20030099313 Filter bank and receiver for processing continuous phase modulated signals
05/29/2003US20030099284 Efficient multichannel filtering for CDMA modems
05/28/2003EP1314247A1 Partitioned block frequency domain adaptive filter
05/28/2003EP1314107A1 Method and apparatus for increasing bandwidth in sampled systems
05/28/2003CN1110135C Hardware of high-efficiency interpolation filter
05/27/2003US6570939 Receiving device with demodulating function based on orthogonal detection and equalizing function based on maximum likelihood sequence estimation
05/27/2003US6570907 Simplified finite impulse response (FIR) digital filter for direct sequencespread spectrum communication
05/27/2003US6570512 Circuit configuration for quantization of digital signals and for filtering quantization noise
05/22/2003WO2003015292A3 Digital equalization process and mechanism
05/22/2003WO2003005356A3 Waveform equalizer for obtaining a corrected signal and apparatus for reproducing information
05/21/2003EP1313219A1 Digital sampling rate converter
05/21/2003EP1312164A1 Method for efficient and zero latency filtering in a long impulse response system
05/21/2003EP1238458B1 Circuit arrangement and a method for the offset compensation of a signal
05/21/2003CN1419388A Low power filter structure using vertical public subexpression and design method thereof
05/20/2003US6567483 Matched filter using time-multiplexed precombinations
05/20/2003US6567230 Method and system for performing positioning control of a head actuator in a disk device utilizing a digital filter
05/20/2003US6567027 Method and apparatus for analog to digital conversion utilizing a moving sum
05/20/2003CA2092859C Receiver having an adjustable matched filter
05/15/2003US20030093448 Method and arrangement for sample-rate conversion
05/15/2003US20030093447 Apparatus and method for detecting energy of tone signal
05/15/2003US20030091135 Digital filter for reducing voltage peaks
05/14/2003EP1311064A2 Low power CSD linear phase FIR filter architecture using vertical common subexpression and filter design method therefor
05/14/2003EP0919083B1 Receiver with a simplified sample rate converter
05/14/2003EP0908008B1 Efficient multichannel filtering for cdma modems
05/14/2003EP0886915B1 Floating point digital transversal filter
05/14/2003EP0774181B1 Wideband fft channelizer
05/14/2003EP0649578B1 Digital filter having high accuracy and efficiency
05/14/2003CN1417962A L-band tuner for satellite digital audio and multimedia broadcast
05/14/2003CN1108564C Sampling frequency changing device
05/13/2003US6564184 Digital filter design method and apparatus
05/13/2003US6563931 Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same
05/13/2003US6563869 Digital signal processing circuit and audio reproducing device using it
05/13/2003US6563448 Flexible sample rate converter for multimedia digital-to-analog conversion in a wireless telephone
05/08/2003WO2003039125A1 Method and device for low-pass filtering
05/08/2003US20030088598 Filter processing apparatus and method
05/07/2003CN1108018C Rapid-update adaptive channel-equilization filtering for digital radio receivers
05/07/2003CN1108013C Modulation recording method, reproducing method and appts. thereof, recording and reproducing method and appts.
05/06/2003US6559781 Device and method for sampling rate conversion
05/06/2003CA2103051C Low computational-complexity digital filter bank
05/02/2003EP1306830A1 Digital signal processing method, learning method, apparatuses for them, and program storage medium
05/02/2003EP1306795A1 Non-dephasing bidimensional filter
05/02/2003EP1305879A2 Method and apparatus for a morphology-preserving smoothing
05/02/2003EP1190485B1 Programmable digital bandpass filter for a codec circuit
05/01/2003WO2003036794A1 Multi-bit time delay adjuster unit for high rf applications and method
05/01/2003WO2003034917A1 Cardiac event detector
05/01/2003US20030081702 Sequence estimation method and sequence estimator
04/2003
04/30/2003CN1107388C Symbol-matched filter having low silicon and power requirement
04/29/2003US6556632 Sequence estimation method and sequence estimator
04/29/2003US6556095 Method to find a value within a range using weighted subranges
04/29/2003US6556044 Programmable logic device including multipliers and configurations thereof to reduce resource utilization
04/24/2003WO2003014961A3 Methods for efficient filtering of data
04/24/2003US20030076907 Recursive resampling digital filter structure for demodulating 3G wireless signals
04/24/2003US20030076888 Signal processing subband coder architecture
04/24/2003US20030076161 Non-phase shifting bidimensional filter
04/23/2003EP1304797A2 Digital filter having high accuracy and efficiency
04/23/2003EP1303857A1 Method of converting line spectral frequencies back to linear prediction coefficients
04/23/2003CN1106715C Method and arrangement for coding and decoding
04/22/2003US6553398 Analog fir filter with parallel interleaved architecture
04/22/2003US6553397 Low-power pulse-shaping digital filters
04/22/2003US6553396 Filter bank constituting method and filter bank apparatus
04/22/2003US6553087 Interpolating bandpass filter for packet-data receiver synchronization
04/22/2003US6552684 Direction of arrival estimation method and radio reception apparatus
04/17/2003WO2003032496A1 Method and arrangement for sample-rate conversion
04/17/2003WO2003032489A1 Digital filter responsive to the rate of change of the input signal and method for processing digital signals
04/17/2003WO2003032488A1 Method and system for estimating parameters
04/17/2003US20030072398 Rate and acceleration limiting filter and method for processing digital signals
04/16/2003EP1303043A1 Digital filter for suppressing glitches
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