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)
06/1999
06/01/1999US5909383 Decimation filter
06/01/1999US5909243 Method and system for digitizing sensor data in synchronism with sensor data readout
06/01/1999US5908476 Photopolymerization
06/01/1999CA2156593C Postfilter and method of postfiltering
05/1999
05/26/1999EP0918317A1 Frequency filtering method using a Wiener filter applied to noise reduction of audio signals
05/25/1999US5907624 Noise canceler capable of switching noise canceling characteristics
05/25/1999US5907497 Update block for an adaptive equalizer filter configuration
05/25/1999US5907295 Audio sample-rate conversion using a linear-interpolation stage with a multi-tap low-pass filter requiring reduced coefficient storage
05/25/1999CA2084034C Adaptive receiver apparatus
05/20/1999WO1999009695A3 Method for eliminating interference in a bipolar data stream and circuitry for implementing said method
05/18/1999US5905717 Echo canceller for a packet signal
05/18/1999US5904731 For calculating a sum of products of outputs
05/14/1999WO1999023758A1 Integrated filter and detection process
05/11/1999US5903872 Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries
05/11/1999US5903595 Digital matched filter
05/11/1999US5903482 Sampling frequency converting system and a method thereof
05/11/1999US5903480 Division-free phase-shift for digital-audio special effects
05/11/1999US5903232 Apparatus and method for sampling rate conversion with rational factors
05/06/1999WO1999022451A2 Methods and devices for encoding audio signals and methods and devices for decoding a bit stream
05/06/1999DE19748721A1 Video signal processor with noise signal suppression in video images
05/04/1999US5901234 Encoding method for encoding an acoustic signal
05/04/1999US5901175 Dynamically adaptive equalizer system and method
05/04/1999US5900006 Median filtering method and apparatus using a plurality of processing elements
05/04/1999US5899967 Speech decoding device to update the synthesis postfilter and prefilter during unvoiced speech or noise
04/1999
04/29/1999WO1999021187A1 Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries
04/29/1999WO1999021185A1 Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
04/29/1999WO1999020985A1 Improved filtering device, in particular for motor vehicle fuel indicator
04/29/1999DE19747132A1 Audio signal coding method
04/28/1999EP0911979A2 Audio signal processor
04/28/1999EP0911967A2 Apparatus and method for equilizer filter units
04/27/1999CA2160045C Parallel cascaded integrator-comb filter
04/27/1999CA2086980C Adaptive equalizer and receiver
04/22/1999WO1999019812A1 Reconfigurable infinite impulse response digital filter
04/21/1999EP0910166A2 Adaptive filter
04/20/1999US5896420 Transmission apparatus having echo cancellation facility
04/20/1999US5895479 Prediction filter
04/15/1999WO1999018666A1 Signal processor with local signal behavior
04/15/1999DE19741427A1 Linear interpolator for sampled signal
04/15/1999CA2305381A1 Signal processor with local signal behavior
04/14/1999EP0909065A2 Apparatus and method for a reduced component equalizer circuit
04/14/1999EP0909028A2 Fir filter for programmable decimation
04/14/1999EP0909027A2 Digital fir filters for compensation of Nyquist slope in pseudo-synchronous demodulators
04/14/1999EP0908009A1 Rom-based finite impulse response filter for use in mobile telephone
04/14/1999EP0908008A1 Efficient multichannel filtering for cdma modems
04/14/1999CN1213907A Echo canceler
04/14/1999CN1213898A Limited impulse excited response electric filter equalizer with low noise and its noise reducing method
04/13/1999US5894495 Adaptive digital filter
04/13/1999US5894428 Recursive digital filter
04/08/1999WO1999017446A1 Filter for time multiplex filtering of several data sequences and operational method therefor
04/08/1999WO1999017290A1 Sample rate conversion of non-audio aes data channels
04/08/1999DE19743663A1 Digital half-band filter with finite pulse response
04/08/1999DE19742599A1 Filter zur Zeitmultiplexfilterung mehrerer Datenfolgen und Betriebsverfahren dafür Filter for filtering time division multiple data sequences and operating method therefor
04/07/1999EP0906681A1 Improved coding system for digital transmission compression
04/07/1999CN1213217A Filter structure and method
04/06/1999US5892836 Digital hearing aid
04/06/1999US5892701 Silicon filtering buffer apparatus and the method of operation thereof
04/06/1999US5892695 Sample rate conversion
04/06/1999US5892693 Signal interpolation and decimation exploiting filter symmetry
04/06/1999US5892632 Sampled amplitude read channel employing a residue number system FIR filter in an adaptive equalizer and in interpolated timing recovery
04/06/1999US5892468 Digital-to-digital conversion using nonuniform sample rates
04/06/1999CA2113140C Rank order filter
04/01/1999WO1999016169A1 Comb filter
04/01/1999CA2272656A1 Comb filter
03/1999
03/31/1999EP0905890A2 Filter structure and method
03/31/1999EP0905889A2 Distributed decimation sample rate conversion
03/31/1999EP0905888A2 Correlation detecting method and matched filter unit
03/31/1999EP0679298B1 Signal processing system
03/31/1999CN1212555A Direction transform echo canceller and method
03/31/1999CN1212545A Sampler capable of reducing sampling rate and sampling method for digital demodulator
03/31/1999CN1212528A Matched filter and timing detection method
03/30/1999US5890106 Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation
03/30/1999US5887412 Packaging machine, material and method
03/30/1999CA2102936C Combined aligner blender
03/25/1999DE19741969A1 Recursive filter for memory cell units
03/25/1999DE19741922A1 Comb filter for digital data stream
03/24/1999EP0903012A1 Method and apparatus for performing bandedge equalization
03/24/1999CN1211859A Matched filter
03/23/1999US5887024 Matched filter
03/23/1999US5886914 Filter circuit with reduced number of delay elements and adders
03/23/1999US5886913 Method of synthesizing a finite impulse response digital filter and filter obtained by this method
03/23/1999US5886912 Processing elements connected in cascade having a controllable bypass
03/17/1999EP0619717A4 Method and apparatus for processing images.
03/16/1999US5883822 Device for programmable delay of an analog signal and corresponding programmable acoustic antenna
03/16/1999CA2061930C Adaptive matched pre-filtering of a decision feedback equalized input
03/10/1999EP0901238A2 Echo canceler
03/10/1999EP0901235A2 Matched filter and timing detection method
03/10/1999EP0901225A2 Digital tunable filter device
03/10/1999CN1210632A Decimation method and decimation filter
03/09/1999US5881179 Frequency separation of image data
03/09/1999US5881107 Transmission system for digital signals, and transmitter and receiver therefor
03/09/1999US5881103 Electronic device with equalized audio accessory and method for same
03/09/1999US5880980 Distributed decimation sample rate conversion
03/09/1999US5880973 Signal processing system and method for enhanced cascaded integrator-comb interpolation filter stabilization
03/09/1999US5880687 Cascaded integrator-comb interpolation filter
03/04/1999WO1999010980A1 Wideband channelization with variable sampling frequency
03/04/1999WO1999010979A1 Wideband channelization using subsampled discrete fourier transforms
03/04/1999CA2301106A1 Wideband channelization with variable sampling frequency
03/04/1999CA2301105A1 Wideband channelization using subsampled discrete fourier transforms
03/02/1999US5878086 Method and apparatus for producing a deterministic sequence from an IIR filter
03/02/1999US5877971 Digital signal processing
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